CN205100198U - But reuse pore pressure cell's device - Google Patents
But reuse pore pressure cell's device Download PDFInfo
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- CN205100198U CN205100198U CN201520859588.6U CN201520859588U CN205100198U CN 205100198 U CN205100198 U CN 205100198U CN 201520859588 U CN201520859588 U CN 201520859588U CN 205100198 U CN205100198 U CN 205100198U
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- pore pressure
- pressure gauge
- sleeve
- chimney filter
- steel pipe
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Abstract
The utility model discloses a but reuse pore pressure cell's device, a plurality of steel pipes including the from the top setting, be equipped with the chimney filter between the two adjacent steel pipes, the upper and lower both ends of every chimney filter are connected fixedly with two connecting sleeves and two steel pipes respectively, with the body structure that constitutes whole device, the bottom of body structure steel pipe bottom is equipped with the bottom sleeve, the top of body structure steel pipe topmost is equipped with the top sleeve, top sleeve upper portion opening, all be equipped with the hole on every chimney filter lateral wall of body structure, the chimney filter lateral wall wraps up having or not outward and spins cloth, all be equipped with a pore pressure cell in every chimney filter, pore pressure cell's wire is drawn forth from the telescopic upper portion in top opening. This device has been realized single drilling and has been buried a plurality of pore pressure cell underground to device assembly and disassembly is convenient, can guarantee that pore pressure cell is not damaged at the monitoring in -process.
Description
Technical field
The utility model relates to field of civil engineering, particularly a kind of device reusing pore pressure gauge.
Background technology
In Soft Ground process, monitoring pore water pressure uses pore pressure gauge, general way is that boring is to Soft Soil Layer, imbed pore pressure gauge to monitor, some adopts in one borehole and buries multiple pore pressure gauge underground, its Problems existing is that pore pressure gauge burial place is inaccurate, and sealing material is difficult to form effective water barrier, causes monitoring result to lose efficacy.Some is that a pore pressure gauge is buried in a hole underground, and its Problems existing is that the data of the monitoring of multiple measuring point do not belong to same vertical plane, and need expend more time and manpower during embedded instrument.Except above ubiquitous problem; also there is pore pressure gauge in use easily to damage; and the problem that cannot reuse, for large-area soft ground process monitoring, effectively buries underground if realize pore pressure gauge, to protect and recycling has important meaning.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides simple, the pre-buried efficiently and accurately of a kind of structure and automatically forms the device of the reused pore pressure gauge of effective water barrier.
The technical scheme that the utility model solves the problem is: a kind of device reusing pore pressure gauge, comprise the multiple steel pipes vertically arranged successively from top to down, vertically chimney filter is provided with between adjacent two steel pipes, the two ends up and down of each chimney filter are fixed by two branch sleeves and adjacent with chimney filter two fastener for connection respectively, to form the pipe structure of whole device, the bottom of pipe structure steel pipe is bottom provided with enclosed bottom sleeve, the top of pipe structure steel pipe is topmost provided with top sleeve, top upper cartridge opening, each chimney filter sidewall of pipe structure is equipped with hole, chimney filter sidewall is wrapped with non-woven fabrics, a pore pressure gauge is equipped with in each chimney filter, the wire of all pore pressure gauges is drawn from the upper opening of top sleeve.
Above-mentionedly reuse in the device of pore pressure gauge, the middle part of described branch sleeve is provided with interlayer, interlayer is provided with some first screwed holes, be equipped with bolt or eye bolt in first screwed hole, the centre of described eye bolt is provided with the wire guide for passing through for the wire of pore pressure gauge.
Above-mentionedly reuse in the device of pore pressure gauge, sleeve upper end, described top is provided with some second screwed holes, is also provided with bolt or eye bolt in the second screwed hole.
Above-mentionedly reuse in the device of pore pressure gauge, the inside of described eye bolt and bottom are elastomeric material, and the bottom of described bolt is elastomeric material.
Above-mentionedly reuse in the device of pore pressure gauge, each steel pipe of pipe structure is all surrounded by plastic foil outward, and plastic film exterior is provided with knitmesh and tightens with strap, is provided with sealing material between plastic foil and knitmesh.
Above-mentionedly reuse in the device of pore pressure gauge, described sealing material is clay ball.
Above-mentionedly reuse in the device of pore pressure gauge, the lateral surface of described top sleeve is provided with draw ring.
Above-mentionedly reuse in the device of pore pressure gauge, described bottom sleeve with between steel pipe, top sleeve is threaded with being between steel pipe, between branch sleeve with chimney filter, between branch sleeve with steel pipe.
The beneficial effects of the utility model are:
1, chimney filter and fastener for connection are fixed by branch sleeve by this device, to form the pipe structure of whole device, achieve one borehole and bury multiple pore pressure gauge underground, and device assembly and disassembly is convenient, the accurate location of pore pressure gauge can be realized, pore pressure gauge is placed in work in chimney filter, can ensure that pore pressure gauge is not damaged in observation process;
2, this device is provided with interlayer at the middle part of branch sleeve, interlayer is provided with the first screwed hole, bolt or eye bolt is equipped with in first screwed hole, sleeve upper end, top is also provided with the second screwed hole, also bolt or eye bolt is provided with in second screwed hole, by coordinating of screwed hole and eye bolt, form effective water barrier, ensure that the reliability of monitored data;
3, the inside of this device eye bolt and bottom are elastomeric material, and the bottom of bolt is elastomeric material, strengthens the compactness of eye bolt and wire, water proof better effects if;
4, this device is all surrounded by plastic foil outward at each steel pipe, and can reduce frictional resistance when device is extracted, implement device recycles and reuses, and brings convenience large-area soft ground monitoring.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of device in the utility model.
Fig. 2 is the structural representation at steel pipe place in Fig. 1.
Fig. 3 is the structural representation at chimney filter place in Fig. 1.
Fig. 4 is the structural representation of branch sleeve in Fig. 1.
Fig. 5 is the structural representation of bottom sleeve in Fig. 1.
Fig. 6 is the structural representation of top sleeve in Fig. 1.
Fig. 7 is the structural representation of eye bolt in Fig. 3.
Fig. 8 is the structural representation of bolt in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1-Figure 3, the utility model discloses a kind of device reusing pore pressure gauge, comprise the multiple steel pipes 2 vertically arranged successively from top to down, chimney filter 8 is vertically provided with between adjacent two steel pipes 2, the two ends up and down of each chimney filter 8 are connected and fixed with two branch sleeves 7 and adjacent with chimney filter 8 two steel pipes 2 respectively, to form the pipe structure of whole device, the bottom of pipe structure steel pipe is bottom provided with enclosed bottom sleeve 1, and the structure of bottom sleeve 1 as shown in Figure 5; The top of pipe structure steel pipe is topmost provided with top sleeve 11, each chimney filter 8 sidewall of pipe structure is equipped with hole, chimney filter 8 sidewall is wrapped with non-woven fabrics 9, is equipped with a pore pressure gauge 10 in each chimney filter 8, and the wire of all pore pressure gauges 10 is drawn from top sleeve 11.
As shown in Figure 2, each steel pipe 2 of pipe structure is outer is all surrounded by plastic foil 3, and plastic foil 3 outside is provided with knitmesh 4 and tightens with strap 5, and be provided with sealing material between plastic foil 3 and knitmesh 4, described sealing material is clay ball 6.
As shown in Figure 4, the middle part of described branch sleeve 7 is provided with interlayer 7-1, interlayer 7-1 is provided with some first screwed hole 7-2, bolt 15 or eye bolt 13 is equipped with in first screwed hole 7-2, the centre of described eye bolt 13 is provided with the wire guide 14 for passing through for the wire of pore pressure gauge 10, and as shown in Figure 6, the lateral surface of top sleeve 11 is provided with draw ring 16, sleeve 11 upper end, described top is provided with in some second screwed hole 17, second screwed holes 17 and is also provided with bolt 15 or eye bolt 13.The inside of described eye bolt 13 and bottom are elastomeric material, and the bottom of described bolt 15 is elastomeric material.
Described bottom sleeve 1 with between steel pipe, top sleeve 11 with between steel pipe, between branch sleeve 7 with chimney filter 8, branch sleeve 7 is threaded with being between steel pipe.
The preparation method of the device of pore pressure gauge can be reused, comprise the following steps:
Step one: select bottom sleeve, top sleeve, branch sleeve, chimney filter, and the steel pipe selecting different length according to the position of Soft Soil Layer;
Step 2: vertically arranged successively by steel pipe, makes the axis of all steel pipes be positioned on same vertical curve, and often putting into a chimney filter between adjacent two steel pipes, a branch sleeve is all placed at the two ends of each chimney filter;
Step 3: all insert a pore pressure gauge in every root chimney filter, pore pressure gauge is provided with wire, and at chimney filter outsourcing non-woven fabrics;
Step 4: by the wire of every root pore pressure gauge successively through all steel pipes, branch sleeve and the chimney filter that are positioned at above this pore pressure gauge, until wire is drawn from the top being positioned at steel pipe topmost; Wherein, wire through the step of each branch sleeve is: first wire is passed the first screwed hole on branch sleeve interlayer, then above the first screwed hole, arrange an eye bolt, then is passed by the wire guide of wire in the middle of eye bolt;
Step 5: with the first screwed hole fastening each branch sleeve interlayer of eye bolt being installed with wire, close the first screwed hole each branch sleeve interlayer not being installed with wire with bolt;
Step 6: the pipe structure getting up to form whole device with branch sleeve by adjacent chimney filter and fastener for connection, the bottom of pipe structure steel pipe is bottom positioned at bottom sleeve closes, with the top of top sleeve set at pipe structure steel pipe topmost, and second screwed hole of the wire of all pore pressure gauges from top sleeve is drawn;
Step 7: with the second screwed hole fastening top sleeve of eye bolt being installed with wire, with the second screwed hole bolt closure tip sleeve not being installed with wire.
Step 8, first all wrap plastic foil in every root steel pipe outside, then arrange clay ball outward at plastic foil, the knitmesh of clay ball outside wraps up, and finally knitmesh is fixed with strap.
After whole device manufacture completes, during use, only need boring to projected depth, inserted by device, after monitoring completes, draw the draw ring 16 of top sleeve 11 side to be extracted by device, retracting device recycles.
Claims (8)
1. one kind can reuse the device of pore pressure gauge, it is characterized in that: comprise the multiple steel pipes vertically arranged successively from top to down, vertically chimney filter is provided with between adjacent two steel pipes, the two ends up and down of each chimney filter are fixed by two branch sleeves and adjacent with chimney filter two fastener for connection respectively, to form the pipe structure of whole device, the bottom of pipe structure steel pipe is bottom provided with enclosed bottom sleeve, the top of pipe structure steel pipe is topmost provided with top sleeve, top upper cartridge opening, each chimney filter sidewall of pipe structure is equipped with hole, chimney filter sidewall is wrapped with non-woven fabrics, a pore pressure gauge is equipped with in each chimney filter, the wire of all pore pressure gauges is drawn from the upper opening of top sleeve.
2. the device reusing pore pressure gauge according to claim 1, it is characterized in that: the middle part of described branch sleeve is provided with interlayer, interlayer is provided with some first screwed holes, be equipped with bolt or eye bolt in first screwed hole, the centre of described eye bolt is provided with the wire guide for passing through for the wire of pore pressure gauge.
3. the device reusing pore pressure gauge according to claim 2, is characterized in that: sleeve upper end, described top is provided with some second screwed holes, is also provided with bolt or eye bolt in the second screwed hole.
4. the device reusing pore pressure gauge according to claim 2, is characterized in that: the inside of described eye bolt and bottom are elastomeric material, and the bottom of described bolt is elastomeric material.
5. the device reusing pore pressure gauge according to claim 2, is characterized in that: each steel pipe of pipe structure is all surrounded by plastic foil outward, and plastic film exterior is provided with knitmesh and tightens with strap, is provided with sealing material between plastic foil and knitmesh.
6. the device reusing pore pressure gauge according to claim 5, is characterized in that: described sealing material is clay ball.
7. the device reusing pore pressure gauge according to claim 2, is characterized in that: the lateral surface of described top sleeve is provided with draw ring.
8. the device reusing pore pressure gauge according to claim 2, is characterized in that: described bottom sleeve with between steel pipe, top sleeve is threaded with being between steel pipe, between branch sleeve with chimney filter, between branch sleeve with steel pipe.
Priority Applications (1)
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CN201520859588.6U CN205100198U (en) | 2015-10-30 | 2015-10-30 | But reuse pore pressure cell's device |
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CN201520859588.6U CN205100198U (en) | 2015-10-30 | 2015-10-30 | But reuse pore pressure cell's device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105256785A (en) * | 2015-10-30 | 2016-01-20 | 湖南科技大学 | Device capable of repeatedly utilizing pore water pressure gauges and manufacturing method of device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105256785A (en) * | 2015-10-30 | 2016-01-20 | 湖南科技大学 | Device capable of repeatedly utilizing pore water pressure gauges and manufacturing method of device |
CN105256785B (en) * | 2015-10-30 | 2017-02-01 | 湖南科技大学 | Device capable of repeatedly utilizing pore water pressure gauges and manufacturing method of device |
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