CN202284480U - Automatic draining system of circumferential intercepting drain of vertical shaft wall - Google Patents
Automatic draining system of circumferential intercepting drain of vertical shaft wall Download PDFInfo
- Publication number
- CN202284480U CN202284480U CN201120375773XU CN201120375773U CN202284480U CN 202284480 U CN202284480 U CN 202284480U CN 201120375773X U CN201120375773X U CN 201120375773XU CN 201120375773 U CN201120375773 U CN 201120375773U CN 202284480 U CN202284480 U CN 202284480U
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- CN
- China
- Prior art keywords
- catchwater
- submersible pump
- hoop
- drain system
- automatic drain
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- 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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Abstract
The utility model discloses an automatic draining system of a circumferential intercepting drain of a vertical shaft wall, comprising an intercepting drain which circumferentially inclines and is disposed below water-leaking holes of a circular vertical shaft wall and an automatic drainage device disposed below a water outlet of the intercepting drain. The automatic drainage device automatically discharges leakage water intercepted by the intercepting drain. Accordingly, the problem of water leakage of the circular vertical shaft wall can be well resolved.
Description
Technical field
The utility model relates to a kind of hoistway wall hoop catchwater automatic drain system.
Background technology
Highway tunnel ventilation vertical shaft borehole wall percolating water is the key factor that influences safe construction; Percolating water not only reduces Sidewall Surrounding Rock stability; Produce potential safety hazard, and worsen construction environment in the well, it is healthy to influence the constructor; Simultaneously water is discharged to ground from bottom and needs equipment such as high-lift pump, and the required electricity charge of draining and personnel's wage.
The utility model content
The purpose of the utility model is to provide a kind of hoistway wall hoop catchwater automatic drain system, is intended to solve the problem of highway tunnel ventilation vertical shaft borehole wall percolating water.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is following:
A kind of hoistway wall hoop catchwater automatic drain system comprises that hoop tilts to be opened in the catchwater of Circular Shaft borehole wall seepage water spot below and is located at the self-draining arrangement of said catchwater delivery port below.
Further, the flat transverse at place, said catchwater bottom is outward-dipping.
More excellent, said catchwater is located at 30 ~ 50cm place, said Circular Shaft borehole wall seepage water spot below.
Wherein, said self-draining arrangement comprises a dust-collecting bucket, is placed on the interior submersible pump of this dust-collecting bucket and is connected, controls the automaton that said submersible pump moves with said submersible pump.
Said automaton comprises with said submersible pump and being connected, the voltage of self powered supply is delivered to the alternating-current trigger of said submersible pump and controls the water level float switch of said alternating-current trigger electric current on/off in the future.
Also be provided with earth leakage protective device on said alternating-current trigger and the power supply circuits that power supply is connected.
The utility model is through offering borehole wall hoop catchwater below seepage water spot on the construction tunnel Circular Shaft borehole wall, and utilizes self-draining arrangement automatically the percolating water that said hoop catchwater is held back to be discharged, and well solved the problem of circular borehole wall percolating water.
Description of drawings
Fig. 1 is the structural representation of the hoistway wall hoop catchwater automatic drain system that provides of the utility model embodiment;
Fig. 2 is the charge for remittance sketch map of the hoistway wall hoop catchwater that provides of the utility model embodiment;
Fig. 3 is the sketch map of the hoistway wall hoop catchwater that provides of the utility model embodiment;
Fig. 4 is the structural representation of the self-draining arrangement that provides of the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing.
Shown in Fig. 1-4, a kind of hoistway wall hoop catchwater automatic drain system comprises that hoop tilts to be opened in the catchwater 3 of the Circular Shaft borehole wall 2 seepage water spots below and is located at the self-draining arrangement of said catchwater 3 delivery ports 4 belows.
Further, the flat transverse at place, said catchwater 3 bottoms is outward-dipping, and its outer edge is that trapezoidal diversion is enclosed along 3-1 for the cross section that is built up by concrete casting.
More excellent, said catchwater 3 is located at 30 ~ 50cm place, the said Circular Shaft borehole wall 2 seepage water spots below.
Wherein, said self-draining arrangement comprises a dust-collecting bucket 6, is placed on the submersible pump 7 in this dust-collecting bucket 6 and is connected, controls the automaton that said submersible pump 7 moves with said submersible pump 7.This dust-collecting bucket 6 is connected and fixed through the well lid envelope dish 1 of two wire rope 5 with Circular Shaft.
Said automaton comprises with said submersible pump 7 and being connected, the voltage of self powered supply is delivered to the alternating-current trigger 9 of said submersible pump and controls the water level float switch 8 of said alternating-current trigger 9 electric current on/off in the future.
Also be provided with earth leakage protective device 10 on said alternating-current trigger 9 and the power supply circuits that power supply is connected.
During practical implementation, earlier the wall ditch of high 15cm, dark 20cm is dug along hoop by 30 ~ 50cm place below Circular Shaft borehole wall seepage water spot, and 2%, the hoop gradient is 3% [user of Microsoft 1], percolating water direction of arrow shown in scheme comes together in a place, sees Fig. 2; Enclose the edge along the inside concreting diversion of this wall ditch outer edge then; The concrete diversion is enclosed along adopting trapezoidal, goes up wide 5cm, following wide 10cm, high 5cm, and discharges at the percolating water that wall ditch minimum point stays the wide breach of 10cm to be used to come together in together; See shown in Figure 3ly, form described catchwater; In said catchwater minimum point, the below of promptly above-mentioned breach is provided with a dust-collecting bucket, and this dust-collecting bucket capacity is 1m
3, with two wire rope suspensionings on well lid envelope dish, referring to Fig. 1; The submersible pump that a lift meets drainage requirement is installed in dust-collecting bucket, is adopted auto-induction apparatus, when water level reached predetermined altitude, submersible pump opened automatic draining, and when the drawdown preset height, the submersible pump stall of cutting off the power supply automatically is referring to Fig. 4.The utility model is that the automatic drainage technology of borehole wall hoop catchwater has been researched and developed in innovation in the Circular Shaft of 217.4m at the construction tunnel well depth, has well solved the problem of borehole wall percolating water.
Selected work one in the face of the borehole wall percolating water flow rate calculation of the utility model borehole wall hoop catchwater automatic drain system and submersible pump model, suspention reinforcing wire specifies as follows down.
1, borehole wall percolating water flow rate calculation
2# vertical shaft ground, tunnel, mountain range in Western Zhou Dynasty design elevation 496.7 is positioned at average grade and is on 22 ° the hillside, and preceding 25m is a V level country rock, and remainder is IV level and III level country rock; Observe statistics according to excavation back percolating water situation, have weeping zone to concentrate on V level country rock district, the fine 1 ~ 1.5m of flow
3/ h, rainy day 1.5 ~ 2m
3/ h, selection capacity are 1m
3Dust-collecting bucket.
2, the submersible pump model is selected
Dust-collecting bucket is arranged on the borehole wall of well head 30m, and pump head is not less than 32m, and selecting model is the submersible pump of QDX6, rated lift 40m, power of motor 2.2kw, flow 6 m
3/ h.Water is full behind dust-collecting bucket ponding 0.5 ~ 1h, and float-controlled drainage pump starts, the about 8min of continuous drainage, the outage automatically of the low back of inner bucket water potential drop.
3, suspention reinforcing wire parameter is selected
Capacity is 1m
3Well-bucket weight be 0.55t, water pump weight (containing cable etc.) 0.1t, the heavy 1t of water adds up to 1.65t during full water, selects for use diameter 12mm wire rope can satisfy the safe requirement of hanging.
The constructing operation step of the utility model is following:
1, vertical shaft borehole wall wall ditch setting-out: the excavation place of confirming the circumferential wall ditch according to borehole wall percolating water actual conditions; Hanging scaffold is moved to 1m place, preset wall ditch point below; Measure setting-out earlier; Wall ditch horizontal wall inscription requires flare 2%, and purpose is that percolating water in the borehole wall is drawn smoothly and converged, and prevents the inner ponding that forms of country rock; The hoop gradient is 3%, and it is minimum hanging dust-collecting bucket place absolute altitude, and its right opposite position absolute altitude is for the highest, and 2 elevation differences are about 40cm;
2, vertical shaft borehole wall wall ditch excavation: the method for employing pneumatic pick or drill eye blasting is excavated out the wall ditch of a high 15cm, dark 20cm, and floating cash, the stone of living in the ditch are cleaned out;
3, wall ditch sprayed mortar is reinforced: borehole wall secondary excavation can cause the local wall rock destabilization of vertical shaft; If the untimely sealing of rock face; Can aggravate weathering, the degree of hydration of rock mass; Therefore must spray the concrete sealing to wall ditch surface after accomplishing excavation, can set up supporting measures such as anchor pole, reinforcing bar sheet where necessary;
4, wall ditch outside concreting: stir the C20 concrete by the well head agitator; Through under the sliding cement pipe in hanging scaffold, personnel stand in hanging scaffold and implement catchwater outside concreting, are shaped as trapezoidal; Go up wide 5cm, following wide 10cm, high 5cm, stay the wide breach of 10cm in wall ditch minimum point;
5, dust-collecting bucket is installed: a capacity 1m is installed in wall ditch breach below
3Dust-collecting bucket, let the percolating water in the wall ditch gather in the dust-collecting bucket through breach, dust-collecting bucket is with the wire rope hanging of diameter 12mm, wire rope is suspended on crossbeam that keeps to the side of Manhole closing dish;
6, submersible pump is installed: the water pump of a lift 40m is placed in the dust-collecting bucket, and gutter connected to lead in the pond, ground stores, use as construction water to reach the energy-conservation of consumption reduction purpose;
7, supply line connects: cable is guided on the dust-collecting bucket submersible pump through hanging steel rope from the ground power distribution room, earth leakage protective device, A.C. contactor, water level float switch are installed, form the described automatic drain system of the utility model.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (6)
1. a hoistway wall hoop catchwater automatic drain system is characterized in that, comprises that hoop tilts to be opened in the catchwater of Circular Shaft borehole wall seepage water spot below and is located at the dewatering installation of said catchwater delivery port below.
2. a kind of hoistway wall hoop catchwater automatic drain system according to claim 1 is characterized in that, the flat transverse at place, said catchwater bottom is outward-dipping.
3. a kind of hoistway wall hoop catchwater automatic drain system according to claim 1 and 2 is characterized in that, said catchwater is located at 30 ~ 50cm place, said Circular Shaft borehole wall seepage water spot below.
4. a kind of hoistway wall hoop catchwater automatic drain system according to claim 1; It is characterized in that said dewatering installation comprises a dust-collecting bucket, is placed on the interior submersible pump of this dust-collecting bucket and is connected, controls the automaton that said submersible pump moves with said submersible pump.
5. a kind of hoistway wall hoop catchwater automatic drain system according to claim 4; It is characterized in that said automaton comprises with said submersible pump and being connected, the voltage of self powered supply is delivered to the alternating-current trigger of said submersible pump and controls the water level float switch of said alternating-current trigger electric current on/off in the future.
6. a kind of hoistway wall hoop catchwater automatic drain system according to claim 5 is characterized in that, also is provided with earth leakage protective device on said alternating-current trigger and the power supply circuits that power supply is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120375773XU CN202284480U (en) | 2011-09-28 | 2011-09-28 | Automatic draining system of circumferential intercepting drain of vertical shaft wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120375773XU CN202284480U (en) | 2011-09-28 | 2011-09-28 | Automatic draining system of circumferential intercepting drain of vertical shaft wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284480U true CN202284480U (en) | 2012-06-27 |
Family
ID=46296005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120375773XU Expired - Lifetime CN202284480U (en) | 2011-09-28 | 2011-09-28 | Automatic draining system of circumferential intercepting drain of vertical shaft wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284480U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790223A (en) * | 2014-03-06 | 2014-05-14 | 贵州正业工程技术投资有限公司 | Karst depression drainage system |
| CN110552738A (en) * | 2019-09-23 | 2019-12-10 | 中建八局轨道交通建设有限公司 | Drainage system for primary support structure of underground excavation vertical shaft and construction method thereof |
| CN110671149A (en) * | 2019-11-23 | 2020-01-10 | 范雲鹤 | Drainage system of karst tunnel |
| CN110685746A (en) * | 2019-11-23 | 2020-01-14 | 范雲鹤 | Automatic tunnel drainage system |
| CN110847961A (en) * | 2019-11-23 | 2020-02-28 | 范雲鹤 | Tunnel drainage system |
-
2011
- 2011-09-28 CN CN201120375773XU patent/CN202284480U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790223A (en) * | 2014-03-06 | 2014-05-14 | 贵州正业工程技术投资有限公司 | Karst depression drainage system |
| CN110552738A (en) * | 2019-09-23 | 2019-12-10 | 中建八局轨道交通建设有限公司 | Drainage system for primary support structure of underground excavation vertical shaft and construction method thereof |
| CN110671149A (en) * | 2019-11-23 | 2020-01-10 | 范雲鹤 | Drainage system of karst tunnel |
| CN110685746A (en) * | 2019-11-23 | 2020-01-14 | 范雲鹤 | Automatic tunnel drainage system |
| CN110847961A (en) * | 2019-11-23 | 2020-02-28 | 范雲鹤 | Tunnel drainage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |