CN208517960U - Examination well-sealing device for drainage well - Google Patents

Examination well-sealing device for drainage well Download PDF

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Publication number
CN208517960U
CN208517960U CN201820969553.1U CN201820969553U CN208517960U CN 208517960 U CN208517960 U CN 208517960U CN 201820969553 U CN201820969553 U CN 201820969553U CN 208517960 U CN208517960 U CN 208517960U
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CN
China
Prior art keywords
well
tapping pipe
closure body
drainage well
sealing device
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.)
Expired - Fee Related
Application number
CN201820969553.1U
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Chinese (zh)
Inventor
王成骁
高东
吕奇峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201820969553.1U priority Critical patent/CN208517960U/en
Application granted granted Critical
Publication of CN208517960U publication Critical patent/CN208517960U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of examination well-sealing device for drainage well, including surveys squeeze cap and connection pedestal.Surveying squeeze cap includes closure body, tapping pipe, pressure gauge, exhaust valve and the switch that sluices, at the top of the affixed closure body in one end of tapping pipe, other end bending is simultaneously horizontally extending, pressure gauge is fixed on the outer surface of tapping pipe, exhaust valve is fixed on the outer surface of tapping pipe, the one end switched sluice on the outer surface of tapping pipe, the other end for the switch that sluices can actively extend to the inner wall bottom of tapping pipe;Connection pedestal is configured to tube-in-tube structure, and the top for connecting pedestal is removedly connected the bottom of closure body, and the lower cover for connecting pedestal is set to the top of drainage well.The utility model can survey the survey squeeze cap that pressure sluices by setting, solve the technical problem that shut-in well quantity is too small given by theoretical calculation, and the scene of accurately having determined can actually carry out closed well quantity, effectively reduce material resources, manpower and energy waste.

Description

Examination well-sealing device for drainage well
Technical field
The utility model relates to technical field of building construction, relate in particular to a kind of examination shut-in well dress for drainage well It sets.
Background technique
Drainage precipitation in foundation pit is carried out frequently with large open well in architectural engineering ultra-deep super foundation work progress, on the one hand It is to provide dry operating environment for earth excavation and Underground Construction, on the other hand eliminates water buoyancy at structure construction initial stage It is influenced caused by construction safety.
After the completion of building infrastructure construction, steel sleeve pre-buried completion therewith of shunting in a well, it is contemplated that foundation structure can A part of water buoyancy is offset, therefore a part of drainage well can be sealed in advance after determining shut-in well quantity by theoretical calculation It closes.But the shut-in well quantity that theoretical calculation provides is often overly conservative, under practical quantity of shunting in a well allows much smaller than field condition Shut-in well quantity, therefore cause a large amount of material resources, manpower and energy waste.
Utility model content
In view of the foregoing, the utility model provides a kind of examination well-sealing device for drainage well, can be surveyed by setting one The survey squeeze cap to sluice is pressed, solves the technical problem that shut-in well quantity is too small given by existing theoretical calculation, more accurately The scene of determination can actually carry out closed drainage well quantity, achieve the purpose that effectively reduce material resources, manpower and energy waste.
To achieve the above object, the technical scheme adopted by the utility model is that: a kind of examination for drainage well is provided and is shunt in a well Device, is covered on the top of drainage well, and the examination well-sealing device for drainage well includes: to survey squeeze cap and connection pedestal.Institute Stating and surveying squeeze cap includes closure body, tapping pipe, pressure gauge, exhaust valve and the switch that sluices, the affixed institute in one end of the tapping pipe It states at the top of closure body, other end bending is simultaneously horizontally extending, and the pressure gauge is fixed in the outer surface of the tapping pipe On, the exhaust valve is fixed on the outer surface of the tapping pipe, and one end of the switch that sluices is set to the outer of the tapping pipe On surface, the other end for sluicing switch can actively extend to the inner wall bottom of the tapping pipe;The connection pedestal at Shape is tube-in-tube structure, and the top of the connection pedestal is removedly connected the bottom of the closure body, the connection pedestal Lower cover is set to the top of the drainage well.
The utility model for drainage well examination well-sealing device further improvement lies in that, it is described connection pedestal top outside Surface is equipped with mantle fiber, and the lower inner surface of the closure body is designed with screw thread, so that the connection pedestal passes through the set Silk is threadedly coupled the closure body.
The utility model for drainage well examination well-sealing device further improvement lies in that, it is described connection pedestal connection bottom The lower part of seat is obliquely and oppositely extending along the inside of the connection pedestal.
The utility model for drainage well examination well-sealing device further improvement lies in that, the tapping pipe is configured to L shape Structure, and including control unit and interconnecting piece, the top of the affixed closure body in one end of the interconnecting piece, other end circular arc company Connect the control unit.
The utility model for drainage well examination well-sealing device it is further improve be, the outer surface of the control unit The sluicing switch, the exhaust valve and the pressure gauge are set gradually along the direction of the circular arc of the tapping pipe
The utility model for drainage well examination well-sealing device further improvement lies in that, on the top of the closure body A connecting hole is offered, the closure body is connect by the connecting hole with the tapping pipe.
The utility model due to use above technical scheme, make it have it is following the utility model has the advantages that
(1) the survey squeeze cap that pressure sluices can be surveyed by setting one, solves shut-in well quantity given by existing theoretical calculation Too small technical problem more accurately determines that scene can actually carry out closed drainage well quantity, reach and effectively reduce object Power, manpower and the purpose of energy waste.
(2) connect the outer surface of upper of pedestal and the lower inner surface of closure body be designed with mantle fiber, make to connect pedestal with Closure body can simply be dismantled.
(3) connecting hole is offered on the top of closure body, closure body is connect by connecting hole with the tapping pipe, It is stronger in this way.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the examination well-sealing device of drainage well.
Fig. 2 is assembling structure schematic diagram of the utility model for the examination well-sealing device of drainage well.
Fig. 3 is the structural schematic diagram that the utility model connection pedestal is connect with steel sleeve of shunting in a well.
Fig. 4 is the structural schematic diagram that the utility model is connect for the examination well-sealing device of drainage well with shut-in well steel sleeve.
Drawing reference numeral explanation:
Survey squeeze cap 10;Closure body 11;Tapping pipe 12;Control unit 121;Interconnecting piece 122;Pressure gauge 13;Exhaust valve 14; Sluice switch 15;Connect pedestal 20;Mantle fiber 21;Shut-in well steel sleeve 30.
Specific embodiment
For the benefit of to the understanding of the utility model, it is illustrated with reference to the accompanying drawings and embodiments.
The utility model provides a kind of examination well-sealing device for drainage well referring to FIG. 1 to FIG. 4, is covered on drainage well The top of (not shown), the examination well-sealing device for drainage well include surveying squeeze cap 10 and connection pedestal 20.Wherein:
As depicted in figs. 1 and 2, the survey squeeze cap 10 includes closure body 11, tapping pipe 12, pressure gauge 13, exhaust valve 14 with the switch 15 that sluices, affixed 11 top of closure body in one end of the tapping pipe 12, other end bending and along level side To extension, the pressure gauge 13 is fixed on the outer surface of the tapping pipe 12, and the exhaust valve 14 is fixed in the tapping pipe On 12 outer surface, one end of the switch 15 that sluices is set on the outer surface of the tapping pipe 12, the switch 15 that sluices The other end can actively extend to the inner wall bottom of the tapping pipe 12, can pass through the switch that sluices outside tapping pipe 12 in this way The switch of 15 control 12 inner passages of tapping pipe.Specifically, the tapping pipe 12 is configured to L-shaped structure, and including control unit 121 With interconnecting piece 122, the top of the affixed closure body 11 in one end of the interconnecting piece 122 is controlled described in other end circular sliding slopes Portion 121 processed.Preferably, the outer surface of the control unit 121 sets gradually described along the direction of the circular arc of the tapping pipe 12 Sluice switch 15, the exhaust valve 14 and the pressure gauge 13, in this way, closing 12 inner passage of tapping pipe by the switch 15 that sluices When, the pressure that pressure gauge 13 is surveyed is the pressure of confined space in tapping pipe 12, and by exhaust valve 14, it can be to tapping pipe 12 Inside is exhausted, and then can accurately test out whether the drainage well can be carried out closing.Preferably, the closure body 11 It is offered on top a connecting hole (not shown), the closure body 11 passes through the connecting hole (not shown) and the tapping pipe 12 connections.
As shown in Fig. 2, the connection pedestal 20 is configured to tube-in-tube structure, the top of the connection pedestal 20 removedly connects The bottom of the closure body 11 is connect, the lower cover of the connection pedestal 20 is set to the top of the drainage well (not shown).
Further, as shown in Fig. 2, the outer surface of upper of the connection pedestal 20 is equipped with mantle fiber 21, the capping is originally The lower inner surface of body 11 is designed with screw thread (not shown), so that the connection pedestal 20 is threadedly coupled institute by the mantle fiber 21 State closure body 11.
Examination well-sealing device and its preferred embodiment of the utility model for drainage well is explained above, figure please be cooperate below 1 to Fig. 4, illustrate construction method of the utility model for the examination well-sealing device of drainage well.
A kind of examination shut-in well construction method for the examination well-sealing device being such as previously used for drainage well, on the drainage well (not shown) Portion is equipped with shut-in well steel sleeve 30, and the construction method step includes:
Step A, the smallest drainage well (not shown) of flow is closed according to the quantity foot number that theoretical calculation obtains;
Step B, the obvious drainage well (not shown) less than normal of residual flow is marked;
Step C, connection 20 lower part of pedestal is covered into the envelope on the drainage well (not shown) to make a mark 30 outside of well steel sleeve, and pedestal 20 and 30 border of shut-in well steel sleeve on the drainage well (not shown) are connected by described Firm welding;
Step D, the survey squeeze cap 10 and 20 spiral of connection pedestal are tightened;
Step E, the described debugging of pressure gauge 13 zero, closes the sluicing switch 15, opens the exhaust valve 14;
Step F, after the air discharge in the drainage well (not shown), when closing the exhaust valve 14 and standing one section Between, then observe the degree of the pressure gauge 13 on each closure body 11;
Step G, show that the drainage well (not shown) can not be closed if the pressure gauge 13 reading significantly increases, open The sluicing switch 15 carries out pressure release, then unscrews the closure body 11, by the immersible pump merging drainage (not shown) Continue to draw water in well (not shown);
Step H, show that the drainage well (not shown) can be closed if the reading of pressure gauge 13 is 0 or slightly increases, The closure body 11 is unscrewed, will quickly be drawn water in the immersible pump merging drainage well (not shown) (not shown), until institute It states water level in the well of drainage well (not shown) and proposes the immersible pump (not shown) in sole plate (not shown) 1m or less, into Row shut-in well.
Further, in the step F, when the exhaust valve 14 begin with water gush out or when 24 is small after gush still without water When out, the air in the drainage well (not shown) is discharged, and closes the exhaust valve 14 at this time.
Further, in the step A, according to the machine-team record that draws water of the drainage well (not shown), flow is obtained The smallest drainage well.
Further, in the step B, bid is done on the shut-in well set steel pipe 30 of the drainage well (not shown) Note.
Preferably, in the step F, time of repose can be 48 hours, and but it is not limited to this, can be according to practice of construction feelings Condition is adjusted.
Combine accompanying drawings and embodiments that the utility model is described in detail above, those skilled in the art can Many variations example is made to the utility model according to the above description.Thus, certain details in embodiment should not be constituted to this reality With novel restriction, the utility model will be using the range that the appended claims define as the protection scope of the utility model.

Claims (6)

1. a kind of examination well-sealing device for drainage well, is covered on the top of drainage well, which is characterized in that described to be used for drainage well Examination well-sealing device include:
Squeeze cap is surveyed, the survey squeeze cap includes closure body, tapping pipe, pressure gauge, exhaust valve and the switch that sluices, the sluicing At the top of the affixed closure body in one end of pipe, other end bending is simultaneously horizontally extending, and the pressure gauge is fixed in described On the outer surface of tapping pipe, the exhaust valve is fixed on the outer surface of the tapping pipe, and described one end for sluicing switch is set to On the outer surface of the tapping pipe, the other end for sluicing switch can actively extend to the inner wall bottom of the tapping pipe;
Pedestal is connected, the connection pedestal is configured to tube-in-tube structure, and the top of the connection pedestal is removedly connected the envelope The lower cover of the bottom of lid ontology, the connection pedestal is set to the top of the drainage well.
2. the examination well-sealing device according to claim 1 for drainage well, which is characterized in that the top of the connection pedestal Outer surface is equipped with mantle fiber, and the lower inner surface of the closure body is designed with screw thread, so that the connection pedestal is described in Mantle fiber is threadedly coupled the closure body.
3. the examination well-sealing device according to claim 1 for drainage well, which is characterized in that the lower part of the connection pedestal The inverted trapezoidal structure being shaped as a downwardly narrowing, and the base area of the connection pedestal is greater than the largest face at the top of the drainage well Product.
4. the examination well-sealing device according to claim 1 for drainage well, which is characterized in that the tapping pipe is configured to L Shape structure, and including control unit and interconnecting piece, the top of the affixed closure body in one end of the interconnecting piece, other end circular arc Connect the control unit.
5. the examination well-sealing device according to claim 4 for drainage well, which is characterized in that the outer surface of the control unit The sluicing switch, the exhaust valve and the pressure gauge are set gradually along the direction of the circular arc of the tapping pipe.
6. the examination well-sealing device according to claim 1 for drainage well, which is characterized in that the top of the closure body On offer a connecting hole, the closure body is connect by the connecting hole with the tapping pipe.
CN201820969553.1U 2018-06-22 2018-06-22 Examination well-sealing device for drainage well Expired - Fee Related CN208517960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820969553.1U CN208517960U (en) 2018-06-22 2018-06-22 Examination well-sealing device for drainage well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820969553.1U CN208517960U (en) 2018-06-22 2018-06-22 Examination well-sealing device for drainage well

Publications (1)

Publication Number Publication Date
CN208517960U true CN208517960U (en) 2019-02-19

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ID=65325736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820969553.1U Expired - Fee Related CN208517960U (en) 2018-06-22 2018-06-22 Examination well-sealing device for drainage well

Country Status (1)

Country Link
CN (1) CN208517960U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108755725A (en) * 2018-06-22 2018-11-06 中国建筑第八工程局有限公司 Examination well-sealing device and examination shut-in well construction method for drainage well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108755725A (en) * 2018-06-22 2018-11-06 中国建筑第八工程局有限公司 Examination well-sealing device and examination shut-in well construction method for drainage well

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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200525

Address after: 300457 no.2599 Binhe Road, Tanggu, Binhai New District, Tianjin

Patentee after: Tianjin Construction Engineering Co.,Ltd. of China Construction Eighth Engineering Bureau

Address before: 200122 Shanghai, China (Shanghai) free trade zone, Century Avenue, No. 27, layer 1568, layer

Patentee before: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190219