CN110284524A - A kind of precast inspection well - Google Patents
A kind of precast inspection well Download PDFInfo
- Publication number
- CN110284524A CN110284524A CN201910544105.6A CN201910544105A CN110284524A CN 110284524 A CN110284524 A CN 110284524A CN 201910544105 A CN201910544105 A CN 201910544105A CN 110284524 A CN110284524 A CN 110284524A
- Authority
- CN
- China
- Prior art keywords
- bracing ring
- pit shaft
- pedestal
- cushion block
- inspection well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
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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 present invention relates to a kind of precast inspection wells, belong to the technical field of inspection shaft, it includes pedestal, pit shaft, closing in section and well lid, pipeline connecting hole is offered on pit shaft, the internal slide of the pedestal is connected with bracing ring, and pit shaft is slidably connected to the inside of pedestal, and the bottom end of pit shaft is abutted with the top of bracing ring, the bottom of bracing ring is provided with support component, and support component includes that lifting actuator and cushion block, the present invention have the effect of being easily installed.
Description
Technical field
The present invention relates to the technical fields of inspection shaft, more particularly, to a kind of precast inspection well.
Background technique
Inspection shaft is the power supply for Urban Underground infrastructure, water supply, draining, blowdown, communication, cable television, coal at present
The maintenance such as tracheae, public lighting circuit, it is easy for installation and setting.Pipeline intersection, turning, caliber or the gradient is generally located in change
Locate at a certain distance on place and straight line pipeline section, is easy for inspecting periodically auxiliary construction.
Existing inspection shaft includes pedestal, pit shaft, well lid, and pipeline connecting hole is offered on pit shaft, during the installation process, when
Occur deviation in installation process, make pipeline with pipeline connecting hole not to it is corresponding when need to readjust pedestal lower section bed course
Thickness makes the Level Change of pedestal or the pit shaft of prefabricated proper height pipeline connecting hole, makes the installation of inspection shaft more
It is cumbersome.
Prior art among the above have the following deficiencies: when pipeline and pipeline connecting hole not corresponding deviation when,
Deviation is not easy to adjust, and keeps inspection shaft installation slower.
Summary of the invention
The object of the present invention is to provide a kind of precast inspection wells being easily installed.
Foregoing invention purpose of the invention has the technical scheme that
A kind of precast inspection well, including pedestal, pit shaft, closing in section and well lid offer pipeline connecting hole, the pedestal on pit shaft
Internal slide be connected with bracing ring, pit shaft is slidably connected to the inside of pedestal, and the bottom end of pit shaft and the top of bracing ring are supported
It connects, the bottom of bracing ring is provided with support component, and support component includes lifting actuator and cushion block.
By using above-mentioned technical proposal, when installation check well, pedestal after the installation is completed, will lifting actuator be adjusted to from
Lifting actuator is placed into the marginal position of base bottom, then by the medium position between body maximum height and minimum altitude
Bracing ring is placed into the top of lifting actuator, pit shaft is finally placed into the upper surface of bracing ring, makes to go up and down actuator
Level Change, thus go up and down actuator drive bracing ring and pit shaft upwards or move down, so that pit shaft drives pipeline to connect
It connects hole to move up, until pipeline connecting hole and pipe alignment, stops mobile pit shaft, to bracing ring and pedestal
Cushion block is placed between bottom, until cushion block will pad be full between bracing ring and pedestal, the height that then will go up and down actuator is reduced, and takes
Actuator is gone up and down out, and bracing ring and pit shaft are supported by cushion block at this time, keep the height of pipeline connecting hole adjustable, to work as pipeline
And pipeline connecting hole not corresponding deviation when, it is only necessary to the height of adjustment lifting actuator simultaneously pads upper cushion block, can make pipeline
With pipeline connecting hole quick aligning, keep regulating the speed for deviation very fast, meanwhile, the height adjustable extent of pipeline connecting hole is larger,
When installation check well, the height of pedestal installation is substantially measured, the later period can adjust the height of pipeline connecting hole, reduce survey
The time for measuring pedestal mounting height is used to adjust the height of pipeline connecting hole, when whole by the time for measuring pedestal mounting height
Between it is close, but pipeline and the not corresponding deviation of pipeline connecting hole appearance is that of avoiding, so that inspection shaft is easily installed.
The present invention is further arranged to: the cushion block is arc cushion block, and the floor projection of cushion block is overlapped with bracing ring.
By using above-mentioned technical proposal, after cushion block is placed between the bottom of pedestal and bracing ring, cushion block is placed
The inner wall of formation is more smooth and smooth, and the height where bracing ring and cushion block can be used as heavy mud section, makes in rain sewage
Soil etc. can be after heavy mud section obtains precipitating, then flows into the pipeline connecting with inspection shaft, is not easy to plug pipeline.
The present invention is further arranged to: the side of the cushion block towards support coil axis is provided with support tube.
By using above-mentioned technical proposal, after cushion block is placed, to cushion block on the inside of be put into support tube, support tube is rigid
The good side with cushion block towards support coil axis abuts, and support tube plays support and position-limiting action to cushion block, avoids cushion block shifting
Position；Meanwhile support tube promotes cushion block towards the smoothness on the surface of the side of support coil axis, and flatness is preferable, thus
When clearing up in the heavy mud section periodically formed to bracing ring and cushion block, the inner wall of cushion block is not easy to adhere to more mud, makes
It is easier to clean out in heavy mud section.
The present invention is further arranged to: the surface for the position that the bracing ring is abutted with wellbore bottom is obliquely installed, and to
Direction far from support circle center is gradually arranged diagonally downward, and the bottom of pit shaft is adapted with the upper surface of bracing ring.
By using above-mentioned technical proposal, bracing ring surface is obliquely installed, and makes the gap between pit shaft and bracing ring
Length, thus when occurring the leakage of water between pit shaft and bracing ring, the length in the gap that water exudation is passed through, thus
The resistance that water is subject to when oozing out is larger, advantageously reduces the leaching rate of water.
The present invention is further arranged to: being provided with seal assembly, seal assembly between the bottom end and bracing ring of the pit shaft
Including seal gap and hole for injecting glue, seal gap is located at the bottom of pit shaft and the position close to base side wall, hole for injecting glue and sealing
Notch connection, and the top of hole for injecting glue extends to the top of pit shaft.
By using above-mentioned technical proposal, make the inner wall of seal gap, the sloping portion of bracing ring upper surface and pedestal
Form the seal area of annular, the vertical section of seal area is triangle, and three sides of seal area respectively with pedestal, pit shaft and close
Seal abuts, so that sealant can will be between seal area and pedestal, pit shaft and sealing ring when injecting sealant to seal area
Gap filling it is full, and will be sticky between pedestal, pit shaft and sealing ring, further reduce the gap of junction, guarantee
Sealing effect.
The present invention is further arranged to: the seal gap is obliquely installed, on the inclined direction and bracing ring of seal gap
The inclined direction of the sloping portion on surface is opposite.
By using above-mentioned technical proposal, the inner wall shape of seal gap, the sloping portion of bracing ring upper surface and pedestal
The seal area circularized, makes the vertical section isosceles triangle of seal area, and the bottom edge of isosceles triangle and pedestal is vertical
Side wall abuts, and waist is abutted at bracing ring and seal gap respectively,.
The present invention is further arranged to: fixing groove, fixed slot position are offered at the top of the bottom of the pit shaft and bracing ring
Sealing ring is provided in the direction of support coil axis, fixing groove in seal gap.
By using above-mentioned technical proposal, fixing groove plays position-limiting action to sealing ring, makes sealing ring in pedestal and support
Position between circle is relatively stable, when the hydraulic pressure in pit shaft is larger, is not easy to be moved between pedestal and bracing ring by hydraulic pressure；
The setting of sealing ring simultaneously makes sealing ring and seal assembly form double-layer seal, further enhances sealing effect.
The present invention is further arranged to: the sum of the bottom of the pit shaft and the thickness of fixing groove at top of bracing ring are less than
The thickness of sealing ring.
By using above-mentioned technical proposal, after sealing ring is by the pressure of pit shaft, the thickness of sealing ring can be compressed,
Setting after this sealing ring, make sealing ring compressed it is some after, thickness still is able to the thickness greater than two fixing grooves
The sum of, it ensure that the sealing effect of sealing ring.
In conclusion advantageous effects of the invention are as follows:
1. pipeline and the not corresponding deviation of pipeline connecting hole appearance is avoided by setting bracing ring, support component, thus
Inspection shaft is easily installed；
2. ensure that sealing effect by setting seal assembly；
3. making sealing ring and seal assembly form double-layer seal by setting sealing ring, further enhancing sealing effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is that the present invention is directed to embody the structural schematic diagram of support component；
Fig. 3 is the cross-sectional view installed after support tube；
Fig. 4 is the partial enlargement diagram of part A in Fig. 3.
In figure, 1, pedestal；11, pit shaft；111, pipeline connecting hole；12, closing in section；13, well lid；2, bracing ring；21, fixed
Slot；22, sealing ring；3, support component；31, actuator is gone up and down；32, cushion block；321, support tube；4, seal assembly；41, sealing lacks
Mouthful；42, hole for injecting glue.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It is a kind of precast inspection well disclosed by the invention, including pedestal 1, pit shaft 11,12 and of closing in section referring to Fig. 2 and Fig. 3
Well lid 13 offers pipeline connecting hole 111 on pit shaft 11, and the outer wall of pit shaft 11 is abutted with the inner wall of pedestal 1, and pit shaft 11 and bottom
1 vertical sliding of seat connects, and is provided with lifting assembly in pedestal 1, and lifting assembly is conveniently adjusted the height of pipeline connecting hole 111,
Seal assembly 4 is provided between the bottom end and lifting assembly of pit shaft 11, seal assembly 4 ensure that close between well seat and pedestal 1
Feng Xing avoids the leakage of water.
Referring to Figures 1 and 2, lifting assembly includes bracing ring 2 and support component 3, and bracing ring 2 is slidably connected to pedestal 1
The outer wall of inside, bracing ring 2 is abutted with the inner wall of pedestal 1, and pit shaft 11 is slidably connected to the inside of pedestal 1, the outer wall of pit shaft 11
It is abutted with the inner wall of pedestal 1, and the bottom end of pit shaft 11 is abutted with the top of bracing ring 2, the bottom of bracing ring 2 is provided with support group
Part 3, support component 3 include lifting actuator 31 and cushion block 32, and lifting actuator 31 can be hydraulic cylinder, cylinder or jack
Deng, cushion block 32 is arc cushion block 32, and the floor projection of cushion block 32 is overlapped with bracing ring 2, the excircle length of cushion block 32 close
The one third of 2 circumferential length of support ring, the side of cushion block 32 towards 2 axis of bracing ring are provided with support tube 321, support tube 321
Outer wall abutted with the side of cushion block 32 towards 2 axis of bracing ring.After pedestal 1 is placed, three are placed in the bottom of pedestal 1
Then bracing ring 2 is pacified the top for being placed into lifting actuator 31, then pit shaft 11 is placed by equally distributed lifting actuator 31
To the top of bracing ring 2, then makes to go up and down the drive bracing ring 2 of actuator 31 and pit shaft 11 rises or decline, until pipeline
Connecting hole 111 and pipe alignment, stop lifting actuator 31 height adjustment, to the bottom of bracing ring 2 and pedestal 1 between put
Cushion block 32 is set, until cushion block 32 will pad completely between bracing ring 2 and pedestal 1, the height that will go up and down actuator 31 is reduced, and takes out lifting
Actuator 31, then makes support tube 321 be placed into the inside of cushion block 32, and the setting of lifting actuator 31 and cushion block 32 connects pipeline
The height for connecing hole 111 can be adjusted quickly.
Referring to Fig. 3 and Fig. 4, seal assembly 4 includes seal gap 41 and hole for injecting glue 42, and seal gap 41 is located at pit shaft 11
Bottom and the position of close 1 side wall of pedestal, hole for injecting glue 42 is connected to seal gap 41, and the top of hole for injecting glue 42 extends to pit shaft
The surface at 11 top, the position that bracing ring 2 is abutted with 11 bottom of pit shaft is obliquely installed, and to far from 2 center of bracing ring side
To being gradually arranged diagonally downward, the bottom of pit shaft 11 is adapted with the upper surface of bracing ring 2, and seal gap 41 is obliquely installed, close
The inclined direction for sealing notch 41 is opposite with the inclined direction of sloping portion of 2 upper surface of bracing ring；The bottom of pit shaft 11 and support
The top of circle 2 offers fixing groove 21, and fixing groove 21 is located at seal gap 41 close to the direction of 2 axis of bracing ring, fixing groove 21
It is inside provided with sealing ring 22, the sum of the bottom of pit shaft 11 and the thickness of fixing groove 21 at top of bracing ring 2 are less than sealing ring 22
Thickness.Before placing pit shaft 11, sealing ring 22 is placed in the fixing groove 21 on bracing ring 2, when the height of pipeline connecting hole 111
After degree adjustment, sealant is injected in hole for injecting glue 42, sealant fills up the perpendicular of 11 bottom of pit shaft, bracing ring 2 and pedestal 1
The seal area of the annular formed between straight sided, and the gap between seal area and pedestal 1, pit shaft 11 and sealing ring 22 is filled out
It is full of, sealing is said into sealing ring 22 and sealant formation, ensure that the leakproofness of inspection shaft.
The implementation principle of the present embodiment are as follows: when installation check well, carry out the installation of pedestal 1 first, pedestal 1 installs
Afterwards, lifting actuator 31 is adjusted to the medium position between itself maximum height and minimum altitude, lifting actuator 31 is put
The marginal position of 1 bottom of pedestal is set, and lifting actuator 31 is placed three, three lifting actuators 31 are in 1 bottom of pedestal
Marginal position be uniformly distributed, then by bracing ring 2 be placed into lifting actuator 31 top, sealing ring 22 is placed into support
In the fixing groove 21 at 2 top of circle, fixing groove 21 plays position-limiting action to sealing ring 22, keeps its position relatively stable, finally by well
Cylinder 11 is placed into the upper surface of bracing ring 2, makes the Level Change for going up and down actuator 31, so that going up and down actuator 31 drives bracing ring
2 and pit shaft 11 upwards or move down, thus pit shaft 11 drive pipeline connecting hole 111 move up, until
Pipeline connecting hole 111 and pipe alignment stop mobile pit shaft 11, to the bottom of bracing ring 2 and pedestal 1 between place cushion block
32, until cushion block 32 will pad completely between bracing ring 2 and pedestal 1, the height that then will go up and down actuator 31 is reduced, and takes out lifting drive
Moving part 31, bracing ring 2 and pit shaft 11 are supported by cushion block 32 at this time, and support tube 321 is then placed into cushion block 32 towards branch
The setting of the side of 2 axis of support ring, lifting actuator 31 and cushion block 32 keeps the height of pipeline connecting hole 111 adjustable, can make pipe
Road with 111 quick aligning of pipeline connecting hole, when installation check well, the height installed to pedestal 1 is substantially measured, and the later period can
The height that pipeline connecting hole 111 is quickly adjusted by lifting actuator 31 and cushion block 32 reduces measurement 1 mounting height of pedestal
The time for measuring 1 mounting height of pedestal is used to adjust the height of pipeline connecting hole 111 by the time, and overall time is close, but keeps away
Pipeline and the not corresponding deviation of pipeline connecting hole 111 appearance is exempted from, so that inspection shaft is easily installed.
Then sealant is injected to one end of the hole for injecting glue 42 at 11 top of pit shaft, sealant flow to well along hole for injecting glue 42
The seal area of the annular formed between the vertical side of the cylinder seal gap 41 of 11 bottoms, bracing ring 2 and pedestal 1, sealant
Gap filling between seal area and pedestal 1, pit shaft 11 and sealing ring 22 can be expired, and by pedestal 1, pit shaft 11 and sealed
It is sticky between circle 22, reduces the gap of junction, ensure that sealing effect.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of precast inspection well, including pedestal (1), pit shaft (11), closing in section (12) and well lid (13), pit shaft open up on (11)
There are pipeline connecting hole (111), it is characterised in that: the internal slide of the pedestal (1) is connected with bracing ring (2), and pit shaft (11) is sliding
The dynamic inside for being connected to pedestal (1), and the bottom end of pit shaft (11) is abutted with the top of bracing ring (2), the bottom of bracing ring (2) is set
It is equipped with support component (3), support component (3) includes lifting actuator (31) and cushion block (32).
2. a kind of precast inspection well according to claim 1, it is characterised in that: the cushion block (32) is arc cushion block
(32), the floor projection of cushion block (32) is overlapped with bracing ring (2).
3. a kind of precast inspection well according to claim 1, it is characterised in that: the cushion block (32) is towards bracing ring (2)
The side of axis is provided with support tube (321).
4. a kind of precast inspection well according to claim 1, it is characterised in that: the bracing ring (2) and pit shaft (11) bottom
The surface for the position that portion abuts is obliquely installed, and is gradually arranged diagonally downward to the direction far from bracing ring (2) center, pit shaft
(11) bottom is adapted with the upper surface of bracing ring (2).
5. a kind of precast inspection well according to claim 1, it is characterised in that: the bottom end of the pit shaft (11) and bracing ring
(2) it is provided between seal assembly (4), seal assembly (4) includes seal gap (41) and hole for injecting glue (42), seal gap (41)
Bottom positioned at pit shaft (11) and the position close to pedestal (1) side wall, hole for injecting glue (42) is connected to seal gap (41), and injecting glue
The top in hole (42) extends to the top of pit shaft (11).
6. a kind of precast inspection well according to claim 5, it is characterised in that: the seal gap (41) is obliquely installed,
The inclined direction of seal gap (41) is opposite with the inclined direction of sloping portion of bracing ring (2) upper surface.
7. a kind of precast inspection well according to claim 1, it is characterised in that: the bottom of the pit shaft (11) and bracing ring
(2) it being offered at the top of fixing groove (21), fixing groove (21) is located at the direction of seal gap (41) close to bracing ring (2) axis,
Sealing ring (22) are provided in fixing groove (21).
8. a kind of precast inspection well according to claim 1, it is characterised in that: the bottom of the pit shaft (11) and bracing ring
(2) the sum of the thickness of fixing groove (21) at top is less than the thickness of sealing ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544105.6A CN110284524B (en) | 2019-06-21 | 2019-06-21 | Prefabricated inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544105.6A CN110284524B (en) | 2019-06-21 | 2019-06-21 | Prefabricated inspection well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110284524A true CN110284524A (en) | 2019-09-27 |
| CN110284524B CN110284524B (en) | 2021-03-30 |
Family
ID=68004295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544105.6A Active CN110284524B (en) | 2019-06-21 | 2019-06-21 | Prefabricated inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110284524B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235662A (en) * | 2021-06-08 | 2021-08-10 | 广东电网有限责任公司 | Methane-preventing automatic drainage device for cable maintenance well |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0775377B1 (en) * | 1994-06-08 | 1998-12-09 | Philippe Lecreux | Technical service unit |
| CN2903185Y (en) * | 2006-04-06 | 2007-05-23 | 广州市市政工程维修综合发展公司 | Assembling type precast manhole |
| CN204249054U (en) * | 2014-10-21 | 2015-04-08 | 上海建工材料工程有限公司 | A kind of making mould of concrete prefabricated inspection shaft |
| CN204645089U (en) * | 2015-01-09 | 2015-09-16 | 上展金属工业股份有限公司 | Ascending/decending manhole cover structure |
| CN208363233U (en) * | 2018-06-01 | 2019-01-11 | 河南河财管道有限公司 | A kind of anti-overflow inspection shaft of intelligence |
| CN208586725U (en) * | 2018-06-01 | 2019-03-08 | 河南河财管道有限公司 | A kind of intelligence plastic inspection well |
| CN109706972A (en) * | 2019-01-03 | 2019-05-03 | 瑞安市力天建设工程有限公司 | Town road inspection shaft and its construction method are just installed |
-
2019
- 2019-06-21 CN CN201910544105.6A patent/CN110284524B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0775377B1 (en) * | 1994-06-08 | 1998-12-09 | Philippe Lecreux | Technical service unit |
| CN2903185Y (en) * | 2006-04-06 | 2007-05-23 | 广州市市政工程维修综合发展公司 | Assembling type precast manhole |
| CN204249054U (en) * | 2014-10-21 | 2015-04-08 | 上海建工材料工程有限公司 | A kind of making mould of concrete prefabricated inspection shaft |
| CN204645089U (en) * | 2015-01-09 | 2015-09-16 | 上展金属工业股份有限公司 | Ascending/decending manhole cover structure |
| CN208363233U (en) * | 2018-06-01 | 2019-01-11 | 河南河财管道有限公司 | A kind of anti-overflow inspection shaft of intelligence |
| CN208586725U (en) * | 2018-06-01 | 2019-03-08 | 河南河财管道有限公司 | A kind of intelligence plastic inspection well |
| CN109706972A (en) * | 2019-01-03 | 2019-05-03 | 瑞安市力天建设工程有限公司 | Town road inspection shaft and its construction method are just installed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235662A (en) * | 2021-06-08 | 2021-08-10 | 广东电网有限责任公司 | Methane-preventing automatic drainage device for cable maintenance well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110284524B (en) | 2021-03-30 |
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