CN207582410U - A kind of three central siphons gush soil erosion quantity device for fast detecting - Google Patents

Abstract

The utility model three central siphons of one kind gush soil erosion quantity device for fast detecting,Filter cylinder internal upper part is fixedly connected with fixed plate,Fixed plate offers through-hole at center,It is under-filled in filter cylinder to have drainage stone,Pressure sensor is provided between drainage stone and lower connecting flange,Filter core is additionally provided in filter cylinder,Filter core upper end is fixedly connected with upper end cover,Filter core lower end is rotatably connected to bottom end cover,Upper end cover center is fixedly connected with level-one screw rod,Level-one screw rod is passed through by through-hole and passes through limited block and is screwed in fixed plate,Bottom end cover is embedded in drainage stone,Bottom end cover side is connected with outlet pipe,Outlet pipe is pierced by across the drainage stone by the cartridge sidewall,Filter core top is rotatably connected to positioning plate,Filter core lower rotational is connected with stent,Mounting hole is offered respectively on positioning plate and stent,Two level screw rod is equipped between mounting hole,Scraper plate is equipped on two level screw rod,Installation is quick,Accuracy of measurement is high and quick and is convenient to clean.

Description

A kind of three central siphons gush soil erosion quantity device for fast detecting

Technical field

The utility model is related to Geotechnical Engineering fields, and in particular to a kind of three central siphons gush soil erosion quantity and quickly detect Device.

Background technology

Piping is one of reservoir dam flood season common dangerous situation, and with the generation of piping, fine grained is migrated in hole, leads to soil The structural adjustment of body so that macroscopic structure of soil and mechanical characteristic change, and the change of soil body permeability is so that the hole of the soil body Gap water stress changes, and the effective stress of the soil body changes correspondingly, this results in the variation of inside soil body stress, the stress of the soil body The common test instrument for changing the development for influencing piping in turn again, soil body mechanical characteristic being studied in existing soil test of state Device has normal triaxial instrument, and in experiment, the measurement for washing away soil body quality is a key technology point, is come through by being recorded in three central siphons Soil body mass loss in journey can inquire into erosion quantity, and there has been no ripe piping scour survey technology and equipment, Publication No. at present The Chinese patent of CN104535470B discloses a kind of gravelly soil infiltration and corrodes Triaxial tester and test method, the sand of setting Water separating system can be in the erosion process of sample, and the particle that makes to weather is with the outflow of infiltration water and weighs in real time, but its installation is multiple Miscellaneous and accuracy of measurement is not high, and in addition the cleaning of cylinder is complex, the test of many times not being suitable in the short time.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide that a kind of installation is quick, accuracy of measurement is high And three central siphons that are quick and being convenient to clean gush soil erosion quantity device for fast detecting.

The utility model solves its technical problem and following technical scheme is taken to realize：

A kind of three central siphons gush soil erosion quantity device for fast detecting, and including filter cylinder, the filter cylinder upper portion side wall is fixedly connected There is water inlet pipe, the filter cylinder lower sides are fixedly connected with drainpipe, and the filter cylinder upper and lower ends have been respectively fixedly connected with company Acting flange and lower connecting flange offer perforation at the lower connecting flange center, and the filter cylinder internal upper part is fixedly connected with Fixed board, offers through-hole at the fixed plate center, under-filled in the filter cylinder to have drainage stone, the drainage stone with it is described under Pressure sensor is provided between connecting flange, filter core is additionally provided in the filter cylinder, the filter core upper end is fixedly connected with upper end Lid, the filter core lower end are rotatably connected to bottom end cover, and the upper end cover center is fixedly connected with level-one screw rod, the level-one screw rod It is passed through by the through-hole and passes through limited block and be screwed in the fixed plate, it is heavy that the level-one screw rod upper end is fixedly connected with Hex nut, the bottom end cover are embedded in the drainage stone, and the bottom end cover side is connected with outlet pipe, and the outlet pipe is worn The drainage stone is crossed to be pierced by by the cartridge sidewall；

The filter core top is rotatably connected to positioning plate, and the filter core lower rotational is connected with stent, the positioning plate with Mounting hole is offered on the stent respectively, two level screw rod is equipped between the mounting hole, is equipped on the two level screw rod Scraper plate, the filter cylinder inner wall are equipped with first recess, and the positioning plate periphery is equipped with level-one convex block, and the stent outer end is equipped with level-one Convex block, the level-one convex block inlay card is in the first recess, and the filter core outer wall is equipped with second recess, and the scraper plate inner end is set There is two level convex block, the two level convex block inlay card is in the second recess.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the first recess is parallel vertically Setting, the first recess are strip groove, and the second recess horizontal parallel setting, the second recess is annular recess.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the stent is to include annular ring, Annular ring is rotationally connected with the filter core lower part, and annular ring periphery is uniformly fixedly connected with several support plates, described Mounting hole is opened on the support plate.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the two level screw rod passes through fixation Ring is fixed between the positioning plate and the stent, and the scraper plate is fixed on by retainer ring on the two level screw rod, described Two level screw rod is vertically arranged, and the axis of the two level screw rod is parallel with the axis of the positioning plate.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the filter cylinder and the filter core it Between form cricoid filter chamber, the water inlet pipe and the drainpipe connect respectively with the filter chamber, the outlet pipe and the filter Core inner connects.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the height of the water inlet pipe is less than The height of the positioning plate lower surface, the height of the drainpipe are higher than the height of the pressure sensor upper surface.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the upper surface of the drainage stone is high Degree maintains an equal level with the bottom end cover upper level.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the filter cylinder, the filter core and institute State the length of scraper plate reduces successively.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, the cable of the pressure sensor It is connected by described be pierced by with external equipment.

In above-mentioned three central siphon gushes soil erosion quantity device for fast detecting, further, there are holes between the drainage stone Gap, aperture 0.075mm-0.1mm.

The advantages of the utility model and good effect are：

On the one hand 1. the positioning plate and bracket clamp of the utility model setting have fixed work(embedded in filter cylinder inner wall for filter core Can, being vertically arranged for filter core is kept, avoids the double swerve of filter core, on the other hand when replacing filter core, is played in cleaning filter cylinder The effect of wall scrapes the soil body particle for being attached to filter cylinder inner wall, and the accuracy of measurement data, pole are influenced when avoiding testing again The big time for shortening cleaning filter cylinder is conducive to improve test efficiency；

2. the scraper plate inlay card of the utility model setting, on the one hand can be in the case where not taking out filter core to filter in filter core outer wall The service condition of core is tentatively judged, is conducive to extend the service life of filter core, is on the other hand conducive to that filter core will be attached to The soil body particle on surface scrapes, and is conducive to improve the accuracy of measurement result；

3. the drainage stone of the utility model setting plays the function of secondary filter, seepage water is passed through by the hole of drainage stone, It is discharged by drainpipe, is conducive to improve the accuracy of experiment；

4. the pressure sensor of the utility model setting, passes through the weight difference before and after measurement experiment, you can calculate the soil body Erosion quantity, accuracy of measurement are high.

Description of the drawings

The technical solution of the utility model is described in further detail below with reference to drawings and examples, still It should be known that these attached drawings are only designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition, Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale It draws.

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the overlooking the structure diagram of the filter core and filter cylinder in the utility model；

Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at A in the utility model.

In figure：

1. filter cylinder, connecting flange, 3. times connecting flanges, 4. perforation, 5. fixed plates, 6. through-holes, 7. filter cores, 8. upper ends on 2. Lid, 9. level-one screw rods, 10. limited blocks, 11. outlet pipes, 12. positioning plates, 13. level-one convex blocks, 14. first recess, 15. are fixed Hole, 16. retainer rings, 17. two level screw rods, 18. scraper plates, 19. two level convex blocks, 20. second recess, 21. drainage stones, 22. pressure pass Sensor, 23. water inlet pipes, 24. filter chambers, 25. stents, 26. drainpipes, 27. bottom end covers, 28. heavy hex nuts.

Specific embodiment

Firstly, it is necessary to explanation, will gush soil to illustrate three central siphons of the utility model by way of example below Concrete structure, features and advantages of erosion quantity device for fast detecting etc., however all descriptions are intended merely to what is illustrated, and It should not be construed as forming any restrictions to the utility model.In addition, be described by embodiment each mentioned by this paper or Implicit arbitrary single technical characteristic or shown or implicit arbitrary single technical characteristic in the drawings, still can be Continue arbitrary combination between these technical characteristics (or its equivalent) or delete, it may be not direct herein so as to obtain More other embodiments of the utility model referred to.For the sake of simplifying drawing, same or like technical characteristic is same It may only be indicated at one in one attached drawing.

" on ", " under ", " " center ", " interior ", " outer ", " water it should be noted that term in the description of the present invention, It is flat ", the orientation of the instructions such as " vertical " or position relationship is, based on orientation shown in the drawings or position relationship, be for only for ease of and retouch State the utility model and simplify description rather than instruction or imply signified device or element must have specific orientation, with Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model, in addition, term " level-one ", " two level " Description purpose is only used for, and it is not intended that indicating or implying relative importance or imply the technical characteristic indicated by indicating Quantity.

As shown in Figure 1-Figure 3, a kind of three central siphons gush soil erosion quantity device for fast detecting, including filter cylinder 1,1 top of filter cylinder Side wall is fixedly connected with water inlet pipe 23, and 1 lower sides of filter cylinder are fixedly connected with drainpipe 26, and 1 upper and lower ends of filter cylinder are fixed respectively Connecting flange 2 and lower connecting flange 3 are connected with, perforation 4 is offered at lower 3 center of connecting flange, 1 internal upper part of filter cylinder, which is fixed, to be connected Fixed plate 5 is connected to, offers through-hole 6 at 5 center of fixed plate, it is under-filled in filter cylinder 1 to have drainage stone 21, drainage stone 21 and lower company Pressure sensor 22 is provided between acting flange 3, filter core 7 is additionally provided in filter cylinder 1,7 upper end of filter core is fixedly connected with upper end cover 8, 7 lower end of filter core is rotatably connected to bottom end cover 27, and 8 center of upper end cover is fixedly connected with level-one screw rod 9, and level-one screw rod 9 is worn by through-hole 6 It crosses and passes through limited block 10 and be screwed in fixed plate 5,9 upper end of level-one screw rod is fixedly connected with heavy hex nut 28, lower end Lid 27 is embedded in drainage stone 21, and 27 side of bottom end cover is connected with outlet pipe 11, and outlet pipe 11 passes through drainage stone 21 by 1 side of filter cylinder Wall is pierced by；

7 top of filter core is rotatably connected to positioning plate 12, and 7 lower rotational of filter core is connected with stent 25, positioning plate 12 and stent Mounting hole 15 is offered on 25 respectively, two level screw rod 17 is equipped between mounting hole 15, scraper plate 18 is equipped on two level screw rod 17, 1 inner wall of filter cylinder is equipped with first recess 14, and 12 periphery of positioning plate is equipped with level-one convex block 13, and 25 outer end of stent is equipped with level-one convex block 13, For 13 inlay card of level-one convex block in first recess 14,7 outer wall of filter core is equipped with second recess 20, and 18 inner end of scraper plate is equipped with two level convex block 19,19 inlay card of two level convex block is in second recess 20.

First recess 14 is arranged in parallel vertically, and first recess 14 is strip groove, and 20 horizontal parallel of second recess is set, and two Grade groove 20 is annular recess, and stent 25 is to include annular ring, and annular ring is rotationally connected with 7 lower part of filter core, and annular ring periphery is equal Even is fixedly connected with several support plates, and mounting hole 15 is opened on support plate, and two level screw rod 17 is fixed on positioning by retainer ring 16 Between plate 12 and stent 25, scraper plate 18 is fixed on by retainer ring 16 on two level screw rod 17, and two level screw rod 17 is vertically arranged, two level The axis of screw rod 17 is parallel with the axis of positioning plate 12, and cricoid filter chamber 24,23 He of water inlet pipe are formed between filter cylinder 1 and filter core 7 Drainpipe 26 connects respectively with filter chamber 24, and outlet pipe 11 is connected with 7 inside of filter core, and the height of water inlet pipe 23 is less than under positioning plate 12 The height on surface, the height of drainpipe 26 are higher than the height of 22 upper surface of pressure sensor, the upper level of drainage stone 21 with 27 upper level of bottom end cover maintains an equal level, and the length of filter cylinder 1, filter core 7 and scraper plate 18 reduces successively, the cable of pressure sensor 22 by Perforation 4 is pierced by be connected with external equipment, and there are hole, aperture 0.075mm-0.1mm between drainage stone 21.

In use, water inlet pipe 23 is connect with the sand water outflow pipeline of normal triaxial instrument, by pressure sensor 22 and outside Equipment connects, and the present apparatus is placed vertically, and the numerical value that pressure sensor 22 at this time measures is initial value, during experiment, carries The seepage water of soil body particle is entered by water inlet pipe 23 in filter chamber 24, and most of seepage water is discharged by filter core 7 by outlet pipe 11, soil Body particle is trapped within outside filter core 7, and is deposited on 24 lower part of filter chamber, and fraction water is by the hole of drainage stone 21 by drainpipe 26 discharges, soil body particle is then trapped on drainage stone 21, and the numerical value that pressure sensor 22 measures at this time is test bit, the soil body Particle washes away the difference that weight is test bit and initial value, when filter core 7 is gone out using a period of time or outlet pipe 11 Water is substantially reduced, and the filter efficiency of filter core 7 at this time reduces, and reason is likely to be the service life or soil for reaching filter core 7 Body particle blocks filter core 7, at this time can unload upper connecting flange 2, is inserted into heavy hex nut 28 by hexagonal handle and rotates, band Dynamic filter core 7 rotates, and the inlay card during rotation of filter core 7 clears up 7 outer wall of filter core in the scraper plate 18 in second recess 20, The soil body particle that 7 surface of filter core is adhered to is scraped, if the water yield of outlet pipe 11 restores normal at this time, illustrates the filtering of filter core 7 Efficiency reduction is due to the blocking of soil body particle, without filter core 7 is needed to change, only need to be rotated further filter core 7, make scraper plate 18 that will be attached to The soil body particle of 7 outer wall of filter core scrapes, if the water yield of outlet pipe 11 illustrates that filter core 7 needs replacing, more without significant change When changing filter core 7, normal triaxial instrument is closed, empties the seepage water in filter cylinder 24, the present apparatus is horizontal, unload 2 He of connecting flange Lower connecting flange 3 takes out pressure sensor 22, drainage stone 21 and the soil body particle stopped by drainage stone 21, by limited block 10 by It unloads, filter core 7 is pulled out by 1 bottom of filter cylinder, level-one screw rod 9 is detached from through-hole 6, and filter core 7 is in mobile process on level-one screw rod 9 In, inlay card clears up 1 inner wall of filter cylinder in the positioning plate 12 in first recess 14, and the soil body particle of 1 inner wall of filter cylinder is scraped, After taking out filter core 7, by external flush equipment to being cleared up inside filter cylinder 1, after the completion, new filter core 7 is inserted into filter cylinder 1 It is interior, filter core 7 rotate upwardly and downwardly connection positioning plate 12 and 25 inlay card of stent in first recess 14, keep filter core 7 and filter cylinder 1 same Level-one screw rod 9 is inserted into through-hole 6 and is fixed, then install drainage stone 21 and pressure sensor 22 by limited block 10, finally pacified by axis Connecting flange 2 and lower connecting flange 3 are loaded onto, then the present apparatus is vertically arranged.

It should be noted that pressure sensor is commercial product, and it is the prior art well-known to those skilled in the art, pressure The connection mode of force snesor and external equipment is the prior art, and the circuit control structure of pressure sensor is using in the prior art Conventional control circuit, circuit structure or circuit connecting mode are the customary means of skilled artisan, This is repeated no more, but for these reasons, does not interfere with the repetition of those skilled in the art.

It should be noted that in the utility model be fixedly connected mode using bolt ripe in the prior art, rivet, The conventional means such as welding, details are not described herein, but for these reasons, does not interfere with the repetition of those skilled in the art.

The positioning plate and bracket clamp set in the present embodiment is embedded in filter cylinder inner wall, on the one hand has fixed function for filter core, Being vertically arranged for filter core is kept, avoids the double swerve of filter core, on the other hand when replacing filter core, plays cleaning filter cylinder inner wall Effect, the soil body particle for being attached to filter cylinder inner wall is scraped, and the accuracy of measurement data is influenced when avoiding testing again, greatly The time of cleaning filter cylinder is shortened, is conducive to improve test efficiency.

The utility model is described in detail in above example, but the content is only the preferable reality of the utility model Apply example, it is impossible to be construed as limiting the scope of the utility model.Equalization made according to the scope of application of this utility model Variation and improvement etc., should all still belong within the patent covering scope of the utility model.

Claims (10)

1. a kind of three central siphons gush soil erosion quantity device for fast detecting, including filter cylinder, the filter cylinder upper portion side wall is fixedly connected with Water inlet pipe, the filter cylinder lower sides are fixedly connected with drainpipe, and the filter cylinder upper and lower ends have been respectively fixedly connected with connection Flange and lower connecting flange offer perforation at the lower connecting flange center, it is characterised in that：The filter cylinder internal upper part is fixed Fixed plate is connected with, offers through-hole at the fixed plate center, it is under-filled in the filter cylinder to have drainage stone, the drainage stone Pressure sensor is provided between the lower connecting flange, filter core is additionally provided in the filter cylinder, the filter core upper end, which is fixed, to be connected Upper end cover is connected to, the filter core lower end is rotatably connected to bottom end cover, and the upper end cover center is fixedly connected with level-one screw rod, described Level-one screw rod is passed through by the through-hole and passes through limited block and is screwed in the fixed plate, and the level-one screw rod upper end is fixed Heavy hex nut is connected with, the bottom end cover is embedded in the drainage stone, and the bottom end cover side is connected with outlet pipe, described Outlet pipe is pierced by across the drainage stone by the cartridge sidewall；

The filter core top is rotatably connected to positioning plate, and the filter core lower rotational is connected with stent, the positioning plate with it is described Mounting hole is offered on stent respectively, two level screw rod is equipped between the mounting hole, scraper plate is equipped on the two level screw rod, The filter cylinder inner wall is equipped with first recess, and the positioning plate periphery is equipped with level-one convex block, and the stent outer end is equipped with level-one convex block, For the level-one convex block inlay card in the first recess, the filter core outer wall is equipped with second recess, and the scraper plate inner end is equipped with two Grade convex block, the two level convex block inlay card is in the second recess.

2. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：Described one Grade groove is arranged in parallel vertically, and the first recess is strip groove, the second recess horizontal parallel setting, and the two level is recessed Slot is annular recess.

3. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：The branch Frame is to include annular ring, and annular ring is rotationally connected with the filter core lower part, and annular ring periphery is uniformly fixedly connected There are several support plates, the mounting hole is opened on the support plate.

4. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：Described two Grade screw rod is fixed on by retainer ring between the positioning plate and the stent, and the scraper plate is fixed on described two by retainer ring On grade screw rod, the two level screw rod is vertically arranged, and the axis of the two level screw rod is parallel with the axis of the positioning plate.

5. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：The filter Cricoid filter chamber is formed between cylinder and the filter core, the water inlet pipe and the drainpipe connect respectively with the filter chamber, described It is connected inside outlet pipe and the filter core.

6. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：It is described into The height of water pipe is less than the height of the positioning plate lower surface, and the height of the drainpipe is higher than the pressure sensor upper surface Height.

7. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：The filter The upper level of water stone maintains an equal level with the bottom end cover upper level.

8. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：The filter The length of cylinder, the filter core and the scraper plate reduces successively.

9. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：The pressure The cable of force snesor is connected by described be pierced by with external equipment.

10. a kind of three central siphon according to claim 1 gushes soil erosion quantity device for fast detecting, it is characterised in that：It is described There are hole, aperture 0.075mm-0.1mm between drainage stone.