CN203834493U - Detecting device for foundation pit precipitation depth - Google Patents
Detecting device for foundation pit precipitation depth Download PDFInfo
- Publication number
- CN203834493U CN203834493U CN201420144178.9U CN201420144178U CN203834493U CN 203834493 U CN203834493 U CN 203834493U CN 201420144178 U CN201420144178 U CN 201420144178U CN 203834493 U CN203834493 U CN 203834493U
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- pore
- pipe
- forming pipe
- detecting
- hole
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Abstract
The utility model discloses a detecting device for foundation pit precipitation depth. The detecting device comprises a hole-forming pipe, a detecting pipe and a ruler rod, wherein the top of the hole-forming pipe is sleeved with an anti-smashing plate; a leveling instrument is inlayed in the anti-smashing plate; water seeping holes are formed in the side wall of the hole-forming pipe; the bottom end of the hole-forming pipe is sealed; a solid conical head is arranged at the bottom end of the hole-forming pipe; the detecting pipe is positioned in the hole-forming pipe; the bottom end of the detecting pipe is sealed; tiny water inlet holes are formed in the side wall of the detecting pipe; the outside of the side wall of the detecting pipe is coated with a sand separating net; the ruler rod is positioned in the detecting pipe, and made of light materials; a ruler is arranged at the upper part of the detecting pipe; a light hollow ball is arranged at the bottom end of the detecting pipe; the top of the ruler rod is sleeved with a vertical cover; when a water level is detected, water seeps into the hole-forming pipe, and is set in a sand setting area and filtered through the sand separating net, and then the water enters the detecting pipe; the ruler rod in the detecting pipe rises up under the action of buoyancy; the height of the water level displayed on the ruler of the ruler rod can be read, then water level detection is completed. The detecting device is low in cost, simple in structure and convenient to operate; besides, the detection is not effected by silt. Therefore, the detecting result is accurate and reliable, and can be used in a wide range.
Description
Technical field
The utility model relates to field of measuring technique, particularly relates to a kind of foundation pit dewatering depth detection apparatus.
Background technology
At present, if the groundwater table of construction work region is higher, in the construction stage of underground structure, the dewatering of need to taking measures, to meet the construction environment requirement in Underground Construction stage.In prior art, owing to there being certain distance between adjacent dewatering well, the groundwater table absolute altitude of two adjacent dewatering well middle parts all adopts calculated value, , designing precipitation water level in " underground waterproof engineering inspection of quality specification " regulation foundation ditch should be lower than foundation ditch bottom surface 0.5m, therefore, need to groundwater table strictly be detected and be controlled, the existing device general structure complexity for groundwater table actual measurement, apply complicated know-why as ultrasonic wave etc., application cost is high, and require harsh to operating personnel's technical level, and the huge scope of application of equipment is narrow, in addition, existing water level detecting equipment is very easily subject to the impact of silt in the time detecting, and testing result is undesirable.In view of above situation, need a kind of cost low, simple in structure, easy to operate, be not subject to silt while detecting affect testing result accurately and reliably and foundation pit dewatering depth detection apparatus applied widely, the requirement detecting to meet Water Level in Foundation Pit.
Utility model content
The utility model object is to provide a kind of foundation pit dewatering depth detection apparatus, solve the existing device general structure complexity for groundwater table actual measurement, apply complicated know-why as high in ultrasonic wave etc., application cost, operating personnel's technical level is required to problem harsh and that the huge scope of application of equipment is little; Solve existing water level detecting equipment simultaneously and in the time detecting, be very easily subject to the impact of silt, the problem that testing result is undesirable.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of foundation pit dewatering depth detection apparatus, comprise the scale bar in outermost pore-forming pipe and pipe, it is characterized in that: the sidewall of described pore-forming pipe is furnished with water seepage hole, bottom is that sealed end is provided with the integrated underground solid conehead of being convenient to shoot, bottom in described pore-forming pipe pipe is desilting zone, the detector tube that inserts pore-forming pipe is arranged at the top of desilting zone, the bottom of described detector tube is sealed, sidewall is distributed with into water aperture, at least one deck is every husky net for its outer wrapping, and the section diameter that pore-forming pipe is stretched out in described detector tube upper end is larger than pore-forming pipe diameter; Described scale bar is placed in the inside of detector tube, adopts light material to make, and the top body of rod is provided with the rule for reading height of water level, and bottom is provided with the light hollow ball that increases buoyancy; Stretch out from the scale bar preformed hole at vertical cover center on the top of described scale bar, and described vertical cover is to cover the cylindrical cap that is combined in the top of detector tube and is stuck in detector tube periphery.
As optimal technical scheme of the present utility model, in the time of construction, the top cover of described pore-forming pipe has the anti-plate of pounding, and the described anti-plate of pounding is provided with and stretches into the backstay that pore-forming pipe inside, external diameter and pore-forming bore adapt, and described backstay side is preventing pounding on plate face to be embedded with level gauge.
As further optimal technical scheme of the present utility model, suitable for reading outer of described pore-forming pipe is arranged with the reinforcement edge fixing for stay cord.
As further optimal technical scheme of the present utility model, described water seepage hole is the evagination hole that can prevent by outside soil clogging, is blossom type and arranges, is located at the latter half of pore-forming pipe sidewall.
As further optimal technical scheme of the present utility model, the length that described detector tube stretches in pore-forming pipe is 2/3～5/6 of pore-forming pipe total length.
As further optimal technical scheme of the present utility model, described level gauge embedding is positioned in rubber ring, and the inside and outside of rubber ring fixed with level gauge, the anti-plate face bonded adhesives of pounding plate respectively.
Compared with prior art, technical advantage of the present utility model is: the device structure that the utility model relates to is simple, energy continuous detecting, and testing result is directly perceived, measures fast detecting result accurate; Pore-forming pipe adopts evagination hole, is pounded the fashionable soil clogging evagination hole that prevents ground at pore-forming pipe; Described pore-forming pipe bottom is provided with solid conehead, can prevent pore-forming pipe pounded bury destroyed when middle; At the bottom of described pore-forming pipe pipe, than low at the bottom of the pipe of detector tube, form desilting zone, can collect the silt that pore-forming pipe infiltrates in infiltration process; Wrap up every husky net in the outside of detector tube, has effectively blocked the inflow of silt; Scale bar adopts light material, has reduced the impact on underground water level detecting result; After extracting pore-forming pipe when construction, insert in hole with dry fine sand in time, can not exert an influence to ground.Finally, the pore-forming pipe of this equipment, detector tube, scale bar, anti-ly pound plate, vertically cover Deng Junke processing factory and carry out batch preprocessing, machining accuracy is high, and end product quality is easily guaranteed.
brief description of the drawings:
Fig. 1 is the overall structure schematic diagram of foundation pit dewatering depth detection apparatus of the present utility model;
Fig. 2 is the structural representation of the pore-forming pipe 1 that relates to of the utility model;
Fig. 3 is the structural representation of the detector tube 2 that relates to of the utility model;
Fig. 4 is the structural representation of the scale bar 3 that relates to of the utility model;
Fig. 5 is the plan structure schematic diagram of the vertical cover 4 that relates to of the utility model;
Fig. 6 is the cross-sectional view of A-A in Fig. 5;
Fig. 7 is the anti-structural representation of pounding plate 7 that the utility model relates to;
Fig. 8 is the cross-sectional view of B-B in Fig. 7.
Reference numeral: 1-pore-forming pipe, 11-water seepage hole, the solid conehead of 12-, 13-strengthen that edge, 2-detector tube, 3-scale bar, 31-rule, 32-light hollow ball, 4-are vertically covered, 5-scale bar preformed hole, 6-prevent pounding plate, 71-backstay, 72-level gauge, 73-plate face every husky net, 7-.
Detailed description of the invention
The purpose of this utility model is for better the foundation pit dewatering degree of depth being detected, and guarantees that engineering is produced to carry out smoothly, to solve the construction infection problem of underground water to foundation phase, ensures the construction safety in foundation construction stage.
Below in conjunction with accompanying drawing and concrete enforcement, the utility model is described further, as shown in Fig. 1～6, a kind of foundation pit dewatering depth detection apparatus, comprise the scale bar 3 in outermost pore-forming pipe 1 and pipe, it is characterized in that: the top cover of described pore-forming pipe 1 has the anti-plate 7 of pounding, the described anti-plate face 73 of pounding plate is provided with and stretches into pore-forming pipe inside, the backstay 71 that external diameter and pore-forming bore adapt, described backstay 71 sides are embedded with level gauge 72 anti-pounding on plate, prevent that pounding plate 7 is welded by the thick steel plate of 10mm and the thick steel cylinder of φ 16mm, the long 70mm of steel plate, wide 25mm, steel cylinder is than the little 4mm of pore-forming bore.Anti-steel plate one end of pounding plate 7 is provided with φ 22 holes, and for level gauge 72 is installed, level gauge 72 embeddings are positioned in rubber ring, rubber ring inside and outside respectively with level gauge, steel plate stick with glue connect fixing; The sidewall of described pore-forming pipe 1 is furnished with water seepage hole 11, described water seepage hole 11 is for can prevent by the evagination hole of outside soil clogging, being blossom type arranges, be located at the latter half of pore-forming pipe sidewall, bottom is that sealed end is provided with the integrated underground solid conehead 12 of being convenient to shoot, and the bottom in described pore-forming pipe pipe is desilting zone, and wherein pore-forming pipe 1 adopts φ 25 coating steel pipes to make, thickness of steel pipe 2.5mm, long 1163mm; Detector tube adopts φ 18 and φ 25 stainless-steel pipes to make, thickness of steel pipe 0.5mm, long 1050mm.Pore-forming pipe lower end 600mm is provided with evagination hole, and blossom type arranges, steel tube surface 1.5mm is protruded in evagination hole, can prevent from being pounded to bury at pore-forming pipe 1 stopping up evagination hole when middle; The reinforcement edge of wide 5mm, high 10mm is established in pore-forming pipe upper end, for prevent upper end pore-forming pipe in the time sinking to soil destroyed and has detected after as lifting fixed point.The detector tube 2 that inserts pore-forming pipe is arranged at the top of desilting zone, the length that described detector tube 2 stretches in pore-forming pipe 1 is 2/3～5/6 of pore-forming pipe total length, the bottom of described detector tube 2 is sealed, the section diameter that pore-forming pipe is stretched out in upper end is larger than pore-forming pipe diameter, top 50mm is φ 25 stainless steel tubes, all the other 1000mm are φ 18 stainless steel tubes, and card is hung in pore-forming pipe 1; Detector tube 2 is put into pore-forming pipe 1000mm, exposes 50mm, and the 500mm place, lower end of detector tube 2 is provided with the circular hole of φ 1mm, blossom type layout, and detector tube 2 use are wrapped up every husky net 6, can prevent that silt from entering in detector tube, in order to avoid affect testing result.Described scale bar 3 is placed in the inside of detector tube 2, employing light material is made, scale bar upper end is provided with the rule 31 of 50cm, indicate scale every 10cm, be used for reading height of water level, scale bar external diameter 10mm, long 1210mm, bottom is provided with φ 12 light hollow balls 32, to increase the buoyancy of scale bar in water; The top of described detector tube 2 is provided with for controlling the vertical vertical cover 4 of scale bar; Stretch out from the φ 12 scale bar preformed holes 5 at vertical cover 4 centers on the top of described scale bar 3, the cylindrical cap that described vertical cover 4 adopts UPVC to make, cover is combined in the top of detector tube 2 and is stuck in detector tube periphery, and the external diameter of the head portion of internal diameter and detector tube 2 adapts.Suitable for reading outer of described pore-forming pipe 1 is arranged with for the fixing reinforcement of stay cord along 13.Described pore-forming pipe 1, detector tube 2, scale bar 3, anti-ly pound plate 7, vertically cover 4 by factory's sizing processing.
While utilizing the detection that above-mentioned foundation pit dewatering depth detection apparatus carries out, comprise the following steps:
Step 1, pore-forming pipe 1 is vertically stood up on ground, then pore-forming pipe passes into the anti-backstay 71 of pounding on plate 7 and inserts pore-forming pipe 1 inside;
Step 2, with the anti-plate 7 of pounding of hand hammer tapping, pore-forming pipe 1 is slowly vertically pounded in ground, until pore-forming pipe 1 meets the demands in the degree of depth of below ground, pound the balance that keeps level gauge 72 into process, all the time ensure that the bubble of level gauge is in centre position, if do not knock position and make its bubble placed in the middle in conversion, guarantee pore-forming pipe is vertically buried in the earth like this, the pore-forming pipe of the present embodiment sinks to 1063mm in soil, exposes 100mm;
Step 3, parcel is put into the inside of pore-forming pipe 1 every the detector tube 2 of husky net 6, its top large outer-diametric portion is stuck in the top of pore-forming pipe 1;
Step 4, scale bar 3 is put into detector tube 2, the top of scale bar 3 is through the scale bar preformed hole 5 on vertical cover 4, by vertically covering 4 tops that are sleeved on detector tube 2, ensures that scale bar 3 is always in vertical state;
Step 5, water infiltrate pore-forming pipe 1 interior detector tube 2 inside that enter through the sedimentation of desilting zone with after the filtration of husky net 6, and the scale bar 3 of detector tube inside rises under buoyancy, read the reading of scale bar floating, can know groundwater table situation within the scope of this;
Step 6, after groundwater table has detected, by rope be stuck in strengthen along on 13, slowly pull rope that pore-forming pipe 1 is extracted;
After step 7, pore-forming pipe 1 are extracted, insert in the hole of its insertion with dry fine sand in time.
Claims (6)
1. a foundation pit dewatering depth detection apparatus, comprise the scale bar (3) in outermost pore-forming pipe (1) and pipe, it is characterized in that: the sidewall of described pore-forming pipe is furnished with water seepage hole (11), bottom is that sealed end is provided with the integrated underground solid conehead (12) of being convenient to shoot, bottom in described pore-forming pipe pipe is desilting zone, the detector tube (2) that inserts pore-forming pipe is arranged at the top of desilting zone, the bottom of described detector tube (2) is sealed, sidewall is distributed with into water aperture, its outer wrapping at least one deck every husky net (6), the section diameter that pore-forming pipe is stretched out in described detector tube (2) upper end is larger than pore-forming pipe diameter, described scale bar (3) is placed in the inside of detector tube, adopts light material to make, and the top body of rod is provided with the rule (31) for reading height of water level, and bottom is provided with the light hollow ball (32) that increases buoyancy, stretch out from the scale bar preformed hole (5) at vertical cover (4) center on the top of described scale bar (3), and described vertical cover (4) is for covering the cylindrical cap that is combined in the top of detector tube and is stuck in detector tube periphery.
2. a kind of foundation pit dewatering depth detection apparatus according to claim 1, it is characterized in that: the anti-plate (7) of pounding is equipped with at the top of described pore-forming pipe (1), the described anti-plate (7) of pounding is provided with and stretches into the backstay (71) that pore-forming pipe inside, external diameter and pore-forming bore adapt, and on the plate face (73) on described backstay (71) side, is embedded with level gauge (72).
3. a kind of foundation pit dewatering depth detection apparatus according to claim 1, is characterized in that: suitable for reading outer of described pore-forming pipe (1) is arranged with for the fixing reinforcement of stay cord along (13).
4. a kind of foundation pit dewatering depth detection apparatus according to claim 1, is characterized in that: described water seepage hole (11), for can prevent by the evagination hole of outside soil clogging, is blossom type and arranges, is located at the latter half of pore-forming pipe sidewall.
5. a kind of foundation pit dewatering depth detection apparatus according to claim 2, is characterized in that: described level gauge (72) embedding is positioned in rubber ring, rubber ring inside and outside respectively with level gauge, the anti-plate face of pounding plate stick with glue connect fixing.
6. according to a kind of foundation pit dewatering depth detection apparatus described in claim 1～5 any one, it is characterized in that: the length that described detector tube (2) stretches in pore-forming pipe (1) is 2/3～5/6 of pore-forming pipe total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144178.9U CN203834493U (en) | 2014-03-28 | 2014-03-28 | Detecting device for foundation pit precipitation depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144178.9U CN203834493U (en) | 2014-03-28 | 2014-03-28 | Detecting device for foundation pit precipitation depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203834493U true CN203834493U (en) | 2014-09-17 |
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ID=51512353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144178.9U Expired - Fee Related CN203834493U (en) | 2014-03-28 | 2014-03-28 | Detecting device for foundation pit precipitation depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203834493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882879A (en) * | 2014-03-28 | 2014-06-25 | 中建城市建设发展有限公司 | Device and method for detecting depth of foundation pit dewatering |
-
2014
- 2014-03-28 CN CN201420144178.9U patent/CN203834493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882879A (en) * | 2014-03-28 | 2014-06-25 | 中建城市建设发展有限公司 | Device and method for detecting depth of foundation pit dewatering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |