CN115142473A - Municipal road inspection well structure and installation and construction method thereof - Google Patents

Municipal road inspection well structure and installation and construction method thereof Download PDF

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Publication number
CN115142473A
CN115142473A CN202210675430.8A CN202210675430A CN115142473A CN 115142473 A CN115142473 A CN 115142473A CN 202210675430 A CN202210675430 A CN 202210675430A CN 115142473 A CN115142473 A CN 115142473A
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CN
China
Prior art keywords
well
unit
base unit
cover seat
hole
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CN202210675430.8A
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Chinese (zh)
Inventor
王清粉
王书会
翟巍
郭明辉
冯运华
朱倩倩
孙青园
张旭
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Henan Ecological Landscaping Construction Co ltd
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Henan Ecological Landscaping Construction Co ltd
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Priority to CN202210675430.8A priority Critical patent/CN115142473A/en
Publication of CN115142473A publication Critical patent/CN115142473A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/121Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a municipal road inspection well structure and an installation and construction method thereof, wherein the municipal road inspection well structure comprises a base unit, a plurality of middle units and a well cover seat, wherein the base unit is arranged at the upper edge of a bottom well corresponding to a road soil base layer; the base unit, the middle unit and the manhole cover seat respectively comprise corresponding manhole wall sections, step parts arranged at the upper parts of the manhole wall sections and bearing parts arranged at the lower parts of the manhole wall sections; internal threads are arranged at the corresponding positions of the inner walls of the well wall sections of the base unit and the middle unit; the middle unit and the well cover seat are provided with inserting parts extending downwards along the bearing parts, and external threads are arranged on the outer walls of the inserting parts, so that the well cover seat is screwed in the well wall section of the middle unit and further screwed in the well wall section of the base unit to form a closed vertical well. This application is installed inspection shaft structure subunit, does benefit to the construction, and in follow-up maintenance process, need not to carry out dismantling of road to cost of maintenance has been reduced.

Description

Municipal road inspection well structure and installation and construction method thereof
Technical Field
The invention relates to the technical field of municipal road construction, in particular to a municipal road inspection well structure and an installation and construction method thereof.
Background
Inspection wells, also known as sand wells, are underground spaces for transit and control of urban underground pipelines. In cities, all public water supplies, sewer pipes, telephone lines and optical fiber networks may be connected through underground passages under inspection wells. The inspection well is an outlet of the inspection well, which leads to the ground and is covered by a sound well cover. The underground pipeline is mostly linear, when the steering is needed, an inspection well is arranged at the steering position, and the purpose is to ensure that the linear pipeline is not easy to block and the pipeline is easy to install and maintain. In addition, in order to facilitate the work and the safety, a manhole is installed in the middle of a pipeline with a certain length so as to facilitate the entrance and exit of the pipeline.
The inspection well arranged in the existing municipal road generally consists of a bottom well corresponding to a road soil base layer, a well wall built upwards along with the road construction, a well cover seat on the uppermost layer and a well cover.
In the existing inspection well structure installation and construction, when a layer of pavement structure is laid, a well cover and a well cover seat are required to be disassembled and assembled to be lifted along with the pavement, so that the construction period is long because the pavement layer around the well edge is required to be repeatedly chiseled off (the well wall is built and solidified), the road construction process is easily delayed, time and labor are wasted, the material waste is serious, and the overall construction cost is high.
For the constructed inspection well structure, as the road surface structure around the well edge needs to be chiseled and filled repeatedly in the construction process, the compactness is insufficient, and the deformation, the collapse and the damage of the well edge structure are easily generated under the rolling of a vehicle; when replacement and maintenance are carried out, the cushion layer, the base and the like are usually required to be detached, and road traffic is often influenced for a long time due to complex procedures, difficult construction and long time consumption. Currently, there is an urgent need for a municipal road inspection shaft structure and an installation and construction method thereof, which are easy to construct, firm and durable in structure and convenient to maintain.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
The inventor finds out through research that: influenced by road construction, the existing inspection well construction process has long working procedure period, the subsequent work is carried out after concrete is solidified in the construction process of each layer, the general solidification period is about one week, a large amount of construction time is wasted, the pavement construction period of the road is greatly prolonged, and the construction period becomes a restrictive factor of road pavement; and still need to be done during subsequent maintenance; and because the compaction degree of each layer is different, the well surface and the road surface are uneven or the strength of the joint of the well wall section and the road surface is insufficient, thereby greatly influencing the road passage or causing the inspection well structure to be easy to damage and generating potential safety hazard.
In view of at least one of the above technical problems, the present disclosure provides a municipal road inspection well structure and an installation and construction method thereof, which are convenient for construction and maintenance by dividing the inspection well structure into a base unit, an intermediate unit and a well cover seat, and improve the safety thereof by fixing the inspection well structure with a threaded connection and a clamping mechanism.
According to one aspect of the disclosure, a municipal road inspection well structure is provided, which comprises a base unit arranged at the upper edge of a bottom well corresponding to a road surface soil base layer, a plurality of middle units arranged on the base unit, and a well cover seat arranged on the middle units, wherein the well cover seat is movably connected with a corresponding well cover;
the base unit, the middle unit and the manhole cover seat respectively comprise corresponding manhole wall sections, step parts arranged at the upper parts of the manhole wall sections and bearing parts arranged at the lower parts of the manhole wall sections;
internal threads are arranged at the corresponding positions of the inner walls of the shaft wall sections of the base unit and the middle unit;
the middle unit and the well cover seat are provided with inserting parts corresponding to the bearing parts in a downward extending mode along the bearing parts, and external threads corresponding to the internal threads are arranged on the outer walls of the inserting parts, so that the well cover seat is screwed in the well wall section of the middle unit and further screwed in the well wall section of the base unit to form a closed vertical well.
In some embodiments of the present disclosure, the base unit, the intermediate unit, and the well cover seat are further fixed by a clamping mechanism, the clamping mechanism includes a through hole disposed in the insertion portion, a clamping groove disposed on an inner wall of the well wall section of the base unit and the intermediate unit and corresponding to the through hole, and a clamping block disposed on the inner wall of the insertion portion and located at one side of the through hole and corresponding to the through hole and the clamping groove; the fixture block penetrates through the through hole and is inserted into the clamping groove so as to fix the base unit, the middle unit and the well cover seat.
In some embodiments of the disclosure, the fixture block includes a fastening portion inserted into the slot through the through hole and a connecting portion for detachably and fixedly connecting to an inner wall of the insertion portion, and the fixture block is detachably fixed to one side of the through hole through a corresponding fixing mechanism.
In some embodiments of the present disclosure, the fixing mechanism includes a fixing plate disposed at one side of the through hole, and a fixing rod disposed on the fixing plate, and the connecting portion is detachably mounted on the fixing rod by a chain.
In some embodiments of the disclosure, the fixing mechanism includes fixing plates disposed at one side of the through hole and arranged in parallel up and down, a first threaded hole is disposed on the fixing plate, and a second threaded hole corresponding to the first threaded hole is disposed on the connecting portion, so that the fixture block is detachably mounted between the fixing plates through bolts.
In some embodiments of the present disclosure, a filter screen is disposed at a position corresponding to the step portion of the well cover seat.
In some embodiments of the present disclosure, the base unit, the intermediate unit, the manhole cover base and the manhole cover are all iron castings.
According to another aspect of the disclosure, a municipal road inspection well structure installation and construction method based on the municipal road inspection well structure is provided, and the method comprises the following steps:
(1) After the construction of the road soil base layer is completed, mounting the base unit on the corresponding bottom well upper edge of the soil base layer;
(2) Along with the gradual laying of each intermediate structure layer of the road, sequentially installing intermediate units with corresponding layers above the base unit to enable the height of the cover well cover to correspond to the thickness of the intermediate structure layer, and then integrally rolling and laying the intermediate structure layer to enable the periphery of the intermediate unit to be tightly combined with the intermediate structure layer;
(3) Before the pavement structure layer of the uppermost layer of the road is laid, the manhole cover seat is installed on the middle unit of the uppermost layer, the height after covering corresponds to the thickness of the pavement structure layer, and then the pavement structure layer is integrally rolled and laid, so that the periphery of the manhole cover seat is tightly combined with the pavement structure layer.
In some embodiments of the present disclosure, during the construction process, if temporary shutdown is required, a temporary manhole cover should be covered on the current construction floor to prevent the accident situation that the pedestrian falls in.
In some embodiments of the present disclosure, after each unit layer is installed by the threaded connection, the fixture block should be used to penetrate through the slot for further fixing, so as to prevent an accident caused by loose connection during the construction process.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the inspection well structure comprises the base unit, the middle unit and the well cover seat which are permanently reserved, the pavement structure around the well does not need to be repeatedly damaged when each layer is installed, the structural strength is guaranteed, the construction procedures are reduced, the construction time is saved, and the construction period of the road building can be greatly shortened; the follow-up replacement and maintenance are convenient and quick, and large-scale breaking and dismantling of roads around the well edge are not needed, so that the maintenance cost is reduced.
2. Except for using threaded connection between this application unit and the unit, set up again and be used for the further fixed of inspection shaft structure at latch mechanism to improve the firm and the security of inspection shaft structure widely, guaranteed the safe current of road.
3. The base unit, the middle unit, the manhole cover seat and the manhole cover all adopt iron castings, so that the problem that the road is influenced by the difference of compaction degrees among all layers is solved, the service life of the inspection well is prolonged, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an inspection well structure according to an embodiment of the present application.
Fig. 2 is a second schematic structural diagram of an inspection well structure according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a base unit according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an intermediate unit in an embodiment of the present application.
Fig. 5 is an enlarged view of a portion a of fig. 4.
Fig. 6 is a schematic structural diagram of a manhole cover seat according to an embodiment of the present disclosure.
Fig. 7 is a schematic structural diagram of a fixture block in an embodiment of the present application.
Fig. 8 is a flowchart of an installation and construction method according to an embodiment of the present application.
In the above figures, 1 is a base unit, 11 is a well wall section, 12 is a step portion, 13 is a receiving portion, 14 is a clamping groove, 15 is an internal thread, 2 is an intermediate unit, 21 is an insertion portion, 22 is an external thread, 23 is a through hole, 61 is a clamping portion, 62 is a connecting portion, 3 is a well cover seat, 4 is a well cover, 5 is a fixing plate, 6 is a clamping block, and 7 is a bolt.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application. References in this application to "first," "second," etc. are used to distinguish between the objects described and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.
The unit modules (components, structures, and mechanisms) and the devices such as sensors in the following examples are all conventional commercial products unless otherwise specified.
The embodiment of the application provides a town road inspection shaft structure and an installation and construction method thereof, solves the technical problems that the inspection shaft structure is difficult to construct and maintain and high in maintenance cost in the prior art, and the inspection shaft structure is installed in units, and only damaged units need to be replaced during maintenance.
For solving the above-mentioned fragile and high problem of cost of maintenance of technical scheme in this application embodiment, the general thinking is as follows:
through dividing into base unit, middle unit and well lid seat with the inspection shaft structure, adopt threaded connection or joint between each unit to utilize latch mechanism to fix, and then reduced the spoilage of inspection shaft structure, improve its life.
The base unit, the middle unit and the manhole cover seat are all made of iron castings, are simple to manufacture and are not easy to deform, so that the phenomenon that the road passing is influenced due to different compactness of each layer can be avoided, and the problem that the road cannot pass for a long time due to the construction of the conventional manhole is effectively solved.
For better understanding of the technical solutions of the present application, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.
Example one
The embodiment discloses a municipal road inspection well structure, which mainly comprises a base unit 1 arranged at the upper edge of a bottom well corresponding to a road soil base layer, three middle units 2 arranged on the base unit 1, and a well cover seat 3 arranged on the middle units 2, wherein the well cover seat 3 is movably connected with a well cover 4, and the well cover 4 can be a drop-proof well cover or an intelligent automatic turnover well cover; and the height of base unit 1, middle unit 2 and well lid seat 3 is the same as the height of the road middle structure layer that corresponds to it (can with base unit 1, middle unit 2 and well lid seat 3 set up to the standard component according to the road construction standard to carry out batch production), go on with the cooperation of road construction with the inspection shaft construction in order to guarantee.
As shown in fig. 3 to 6, the base unit 1, the intermediate unit 2 and the manhole cover base 3 each include a manhole wall section 11, a step portion 12 provided on an upper portion of the manhole wall section 11 for temporarily placing a common circular manhole cover 4, and a receiving portion 13 provided on a lower portion of the manhole wall section 11; the step part 12 of the well cover seat 3 is provided with a filter screen which plays the roles of filtering and protecting. Base unit 1 and 2's of intermediate unit 11 inner walls of a well wall section are provided with internal thread 15, simultaneously, also can the 11 inner walls of a well wall section of well lid seat 3 set up internal thread 15, are used for insert on the basis of well lid seat 3 intermediate unit 2 and then increase the height of inspection shaft structure.
As shown in fig. 4 and 6, the intermediate unit 2 and the well cover seat 3 are provided with an insertion part 21 corresponding to the receiving part 13 along the receiving part 13, and an external thread 22 corresponding to the internal thread 15 is provided on an outer wall of the insertion part 21, so that the well cover seat 3 is inserted into the well wall section 11 of the intermediate unit 2 and further inserted into the well wall section 11 of the base unit 1, thereby forming a cylindrical shaft with a closed cavity. Screwing the intermediate unit 2 into the base unit 1 and screwing the well cover seat 3 into the intermediate unit 2 by the cooperation of the external thread 22 and the internal thread 15;
in addition, the base unit 1, the middle unit 2 and the well cover seat 3 are further fixed through a clamping mechanism to prevent the threaded connection from being not tight enough, and further protection is performed, as shown in fig. 5, the clamping mechanism includes a through hole 23 arranged on the insertion part 21, a clamping groove 14 arranged on the inner wall of the well wall section 11 of the base unit 1 and the middle unit 2 and corresponding to the through hole 23, and a clamping block 6 arranged on the inner wall of the insertion part 21 and located on one side of the through hole 23 and corresponding to the through hole 23 and the clamping groove 14; the fixture block 6 penetrates through the through hole 23 and is inserted into the fixture groove 14 so as to fix the base unit 1, the middle unit 2 and the well cover seat 3. As shown in fig. 7, the latch 6 includes a fastening portion 61 inserted into the fastening groove 14 through the through hole 23 and a connecting portion 62 detachably and fixedly connected to the inner wall of the insertion portion 21, and the latch 6 is detachably disposed on one side of the through hole 23 through a corresponding fixing mechanism; the fixing mechanism comprises fixing plates 5 which are arranged on one side of the through hole 23 and are arranged in parallel up and down, first threaded holes are formed in the fixing plates 5, and second threaded holes corresponding to the first threaded holes are formed in the connecting portions 62, so that the fixture block 6 can be detachably arranged between the fixing plates 5 through bolts 7.
Further, the base unit 1, the middle unit 2, the well cover seat 3 and the well cover 4 are all iron castings; thereby ensuring that the compaction degree between each layer is the same and being beneficial to road traffic; it is also possible that the upper portion of the manhole wall section 11 is provided with a screwing groove to facilitate screwing by existing tools the base unit 1, the intermediate unit 2 and the manhole cover base 3, thereby facilitating construction and maintenance of the manhole structure more.
Example two
The embodiment discloses a municipal road inspection well structure, which is different from the first embodiment in that the fixing mechanism comprises a fixing plate arranged on one side of the through hole and a fixing rod arranged on the fixing plate, and the connecting part is detachably arranged on the fixing rod through a chain; when the fixing rod does not need to be fixed, the clamping blocks can be wound on the fixing rod through chains, so that the fixing rod is convenient to use.
EXAMPLE III
The example discloses a municipal road inspection shaft structure installation and construction method based on the municipal road inspection shaft structure, a flow chart of the method is shown in figure 8, and the method comprises the following steps:
(1) After the construction of the road soil base layer is completed, mounting the base unit on the corresponding bottom well upper edge of the soil base layer; if temporary shutdown is needed, a temporary well cover is covered on the base unit to prevent the accident that pedestrians fall into the well cover;
(2) Along with the gradual laying of each intermediate structure layer of the road, sequentially installing intermediate units with corresponding layers above the base unit to enable the height of the cover well cover to correspond to the thickness of the intermediate structure layer, and then integrally rolling and laying the intermediate structure layer to enable the periphery of the intermediate unit to be tightly combined with the intermediate structure layer; in the construction process, if temporary shutdown is needed, a temporary well cover is covered on the middle unit to prevent the accident that the pedestrian falls in;
(3) Before the pavement structure layer of the uppermost layer of the road is laid, the manhole cover seat is installed on the middle unit of the uppermost layer, the height after covering corresponds to the thickness of the pavement structure layer, and then the pavement structure layer is integrally rolled and laid, so that the periphery of the manhole cover seat is tightly combined with the pavement structure layer. And finally, movably connecting the manhole cover on the manhole cover seat to complete the construction work of the manhole structure. In addition, after each unit layer is installed through threaded connection, the fixture blocks are required to penetrate through the fixture grooves to be further fixed immediately, and therefore the situation that accidents occur due to loose connection in the construction process is avoided.
While certain preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present application and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A municipal road inspection well structure is characterized by comprising a base unit, a plurality of middle units and a well cover seat, wherein the base unit is arranged on the corresponding bottom uphole edge of a road soil base layer;
the base unit, the middle unit and the manhole cover seat respectively comprise corresponding manhole wall sections, step parts arranged at the upper parts of the manhole wall sections and bearing parts arranged at the lower parts of the manhole wall sections;
internal threads are arranged at the corresponding positions of the inner walls of the well wall sections of the base unit and the middle unit;
the middle unit and the well cover seat are provided with inserting parts corresponding to the bearing parts in a downward extending mode along the bearing parts, and external threads corresponding to the internal threads are arranged on the outer walls of the inserting parts, so that the well cover seat is screwed in the well wall section of the middle unit and further screwed in the well wall section of the base unit to form a closed vertical well.
2. The municipal road inspection shaft structure according to claim 1, wherein the base unit, the intermediate unit and the well cover seat are further fixed by a clamping mechanism, and the clamping mechanism comprises a through hole arranged in the insertion part, a clamping groove arranged on the inner walls of the well wall sections of the base unit and the intermediate unit and corresponding to the through hole, and a clamping block arranged on the inner wall of the insertion part and positioned on one side of the through hole and corresponding to the through hole and the clamping groove; the fixture block penetrates through the through hole and is inserted into the clamping groove so as to fix the base unit, the middle unit and the well cover seat.
3. The municipal road inspection shaft structure according to claim 2, wherein the fixture block comprises a clamping portion inserted into the clamping groove through the through hole and a connecting portion used for being detachably and fixedly connected to the inner wall of the inserting portion, and the fixture block is detachably fixed to one side of the through hole through a corresponding fixing mechanism.
4. The municipal road inspection shaft structure according to claim 3, wherein the fixing mechanism comprises a fixing plate arranged on one side of the through hole and a fixing rod arranged on the fixing plate, and the connecting part is detachably mounted on the fixing rod through a chain.
5. The municipal road inspection shaft structure according to claim 3, wherein the fixing mechanism comprises fixing plates arranged in parallel up and down on one side of the through hole, a first threaded hole is formed in each fixing plate, and a second threaded hole corresponding to the first threaded hole is formed in each connecting part, so that the fixture block is detachably mounted between the fixing plates through bolts.
6. The municipal road inspection shaft structure according to claim 1, wherein a filter screen is arranged at a position corresponding to the step portion of the cover seat.
7. The town road inspection well structure of claim 1, wherein the base unit, the intermediate unit, the well cover base, and the well cover are all iron castings.
8. A municipal road inspection well structure installation and construction method is implemented based on the municipal road inspection well structure of claim 1, and comprises the following steps:
(1) After the construction of the road soil base layer is completed, mounting the base unit on the corresponding bottom well upper edge of the soil base layer;
(2) Along with the gradual laying of each intermediate structure layer of the road, sequentially installing intermediate units with corresponding layers above the base unit to enable the height of the cover well cover to correspond to the thickness of the intermediate structure layer, and then integrally rolling and laying the intermediate structure layer to enable the periphery of the intermediate unit to be tightly combined with the intermediate structure layer;
(3) Before the pavement structure layer of the uppermost layer of the road is laid, the manhole cover seat is installed on the middle unit of the uppermost layer, the height after covering corresponds to the thickness of the pavement structure layer, and then the pavement structure layer is integrally rolled and laid, so that the periphery of the manhole cover seat is tightly combined with the pavement structure layer.
9. The installation and construction method of the municipal road inspection shaft structure according to claim 8, wherein in the construction process, if temporary shutdown is needed, a temporary well cover is covered on the current construction floor to prevent the accident that pedestrians fall into the construction floor.
10. The method for installing and constructing the municipal road inspection shaft structure according to claim 8, wherein after each unit layer is installed through threaded connection, the fixture blocks are immediately used to penetrate through the fixture blocks and are inserted into the fixture grooves for further fixation, so that accidents caused by loose connection in the construction process are avoided.
CN202210675430.8A 2022-06-15 2022-06-15 Municipal road inspection well structure and installation and construction method thereof Pending CN115142473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210675430.8A CN115142473A (en) 2022-06-15 2022-06-15 Municipal road inspection well structure and installation and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210675430.8A CN115142473A (en) 2022-06-15 2022-06-15 Municipal road inspection well structure and installation and construction method thereof

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Publication Number Publication Date
CN115142473A true CN115142473A (en) 2022-10-04

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Application Number Title Priority Date Filing Date
CN202210675430.8A Pending CN115142473A (en) 2022-06-15 2022-06-15 Municipal road inspection well structure and installation and construction method thereof

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06200535A (en) * 1993-01-06 1994-07-19 Ocean Cable Co Ltd Manhole and its execution method
CN104088298A (en) * 2014-07-03 2014-10-08 河海大学 Municipal road prefabricated concrete inspection well and construction method thereof
CN112302051A (en) * 2020-11-06 2021-02-02 中铁工程装备集团有限公司 Mechanical vertical shaft structure and construction method thereof
CN218148504U (en) * 2022-06-15 2022-12-27 河南省生态园林绿化建设有限公司 Inspection well structure assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06200535A (en) * 1993-01-06 1994-07-19 Ocean Cable Co Ltd Manhole and its execution method
CN104088298A (en) * 2014-07-03 2014-10-08 河海大学 Municipal road prefabricated concrete inspection well and construction method thereof
CN112302051A (en) * 2020-11-06 2021-02-02 中铁工程装备集团有限公司 Mechanical vertical shaft structure and construction method thereof
CN218148504U (en) * 2022-06-15 2022-12-27 河南省生态园林绿化建设有限公司 Inspection well structure assembly

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