CN209470752U - A kind of floodometer improving measurement accuracy - Google Patents

Abstract

The utility model discloses a kind of floodometers for improving measurement accuracy, it is related to phreatic line fields of measurement, aim to solve the problem that traditional phreatic line measuring instrument can be wet borehole wall interference, lead to the problem of phreatic line measurement inaccuracy, its key points of the technical solution are that original detecting head is replaced with storage block, the first containing cavities and the second containing cavities are successively opened up along the direction far from transmission line growth in storage block, setting separates the demarcation plate of the first containing cavities and the second containing cavities between first containing cavities and the second containing cavities, the contact of connection transmission line is provided in first containing cavities, sliding setting telescopic rod on demarcation plate, one end that telescopic rod is located in the first containing cavities is provided with the contact for electrical connection；One end that telescopic rod is located in the second containing cavities is provided with the floating part for driving telescopic rod flexible, and the second storage chamber inner sidewall opens up venthole close to one end of the first containing cavities, and the utility model has achieved the effect that improve floodometer measurement accuracy.

Description

A kind of floodometer improving measurement accuracy

Technical field

The utility model relates to the technical fields of phreatic line measurement, more particularly, to a kind of raising measurement accuracy Floodometer.

Background technique

Current water level measuring instrument is one of more accurate method in level measuring, is commonly used to measure well, drilling and water Water level in the pipe of position, the dam seepage line of the observation or Earth-rockfill Dam particularly suitable for level of ground water in hydroelectric project manually patrol Inspection.The measuring instrument can both be used in construction period, and the long-term safety monitoring that also can be used as engineering is used.

Referring to Fig.1, the floodometer of existing a kind of Canada's production, including rack 1, rotary setting in rack 1 There is winding axis 11, wind the transmission line 2 for being wound with transmission signal on axis 11, rack 1 is parallel to the end face setting of winding axis 11 There is the warning light 14 of connection transmission line 2, detecting head 25 is arranged far from one end of warning light in transmission line 2；It needs to detect underground water level When line, detecting head 25 is put into well, detecting head 25 is slowly put into well by rotation winding axis 11, when detecting head 25 contacts the water surface When, signal can be transmitted to warning light 14 by transmission line 2, after operator obtains signal from warning light, measure the biography being put into well Defeated 2 length of line.

Prior art among the above has the following deficiencies: during practical operation, can encounter wellhole diameter very little Wait log well, and inner sidewall to be logged well will form compared with large water drop, and when the droplet of detecting head contact well inner sidewall, warning light also can Shinny, to the instruction of operator's mistake, so as to cause the inaccurate problem of water level line measurement in well, this problems demand is solved.

Utility model content

The purpose of the utility model is to provide a kind of floodometer for improving measurement accuracy, has and improve water level survey Measure the effect of instrument measurement accuracy.

To achieve the above object, the utility model provides following technical solution:

A kind of floodometer improving measurement accuracy, including rack, the interior rotation of the rack are provided with winding Axis is wound with transmission line on the winding axis, and placement plate is arranged in the winding axial end, and instruction dress is provided in the placement plate It sets, the instruction device is connected to one end of transmission line, and the transmission line is provided with detection device far from one end of instruction device, The detection device includes transmission line the is arranged in storage block far from instruction device one end, along far from transmission line in the storage block Direction successively offer the first containing cavities and the second containing cavities, be provided between first containing cavities and the second containing cavities point It is described every the contact for being provided with connection transmission line in the demarcation plate of the first containing cavities and the second containing cavities, first containing cavities Sliding is provided with telescopic rod on demarcation plate, and one end that the telescopic rod is located in the first containing cavities is provided with the touching for electrical connection Piece；One end that the telescopic rod is located in the second containing cavities is provided with the floating part for driving telescopic rod flexible, second storage Chamber inner sidewall offers venthole close to one end of the first containing cavities.

By using above-mentioned technical proposal, when needing to measure the water level line of underground during environmental monitoring, will first put The side that frame is placed on well head is set, then storage block is suspended in well, and slowly puts storage block such as underground, when storage block contact When the wet borehole wall, due to the limited position that contact can not be shifted onto contact head of the water on the borehole wall, and when storage block contacts water Face is not simultaneously had out-of-date by the water surface, and the floating part in the second containing cavities can drive contact pad contact under the action of buoyancy, work as contact When contacting contact, transmission line can be connected to and start instruction device, and operator stops putting down storage block at this time, and then measurement is put Enter the transmission line into well, the water level line depth of underground can be measured, improves phreatic line measurement accuracy to play Effect；And the floodometer cost is very low, can substantially reduce the cost that floodometer comes into operation, then have the water It is convenient to overhaul to be not easy to damage for the detection device of position measuring instrument compares more accurate metal probe, it is finally exactly detection device It will not make its sensitivity decrease because of long-time contact water.

Further, the first storage chamber inner sidewall is provided with fixed block, and the contact is fixed on fixed block.

By using above-mentioned technical proposal, since transmission line is flexible material, contact exists in the first containing cavities Uncertain factor, and the fixation position that contact can be fixed in the first containing cavities by the appearance of fixed block, to play elimination The effect of contact unstable factor in the first containing cavities.

Further, the transmission line and storage block are set as being detachably connected, and the storage block lateral wall screw thread is arranged There is sealing cover, the transmission line is threaded through in sealing cover.

By using above-mentioned technical proposal, when needing to be fixed on contact on fixed block, sealing cover first can be screwed off into receipts Then contact can be fixed on storage block so that the first containing cavities are arranged in opening, finally store on block and rotate again by block of receiving Sealing cover, to play the role of the convenient connection contact on fixed block.

Further, the limiting slot of restricted sealing cover position is arranged in the storage block lateral wall, sets in the limiting slot It is equipped with gasket.

By using above-mentioned technical proposal, during sealing cover is rotated on storage block, limiting slot can limit sealing The position on storage block is covered, gasket can block the gap between limiting slot and sealing cover, to play raising sealing cover The effect of sealing effect.

Further, the sealing cover lateral wall slides axially along it is provided with strip, and the storage block lateral wall is along card Rotational trajectory is evenly equipped with the card slots of several limitation strips rotations.

By using above-mentioned technical proposal, when sealing cover is rotated on storage block, strip on moving sealed closure, by card Item is mobile simultaneously, and the position of strip can be limited by card slot at this time on card slot and sealing cover, cause sealing cover that can not rotate, thus Play the role of preventing sealing cover from loosening on storage block.

Further, the strip lateral wall rotation is provided with the conflict bar for contradicting sealing cover lateral wall, the conflict bar One end far from sealing cover is provided with grip block.

By using above-mentioned technical proposal, when the strip after movement needs fixed position, operator needs to hold grip Block, by grip block rotation contradict bar, by contradict the friction sealed lid of boom end, thus play facilitate fixed movement after strip position The effect set.

Further, the first storage chamber inner sidewall is provided with the limit track for contact sliding, the limit track Fixed block is connected to close to one end of transmission line.

By using above-mentioned technical proposal, contact moves in the first containing cavities, it is likely that can rotate, lead to contact It misplaces with fixed block, limit track can limit horizontal position of the contact in the first containing cavities, so that playing prevents from touching The effect that piece rotates in the first containing cavities.

Further, the transmission line is wrapped with graduated wrap, is provided with and will be wrapped up in the wrap With the straight spring leaf of support.

By using above-mentioned technical proposal, after spring leaf is discharged from winding axis, in the common work of storage block and spring leaf Under, the direction shaft bottom that wrap can be vertical always, to play the role of preventing wrap from bending.

Further, waterproof layer is enclosed on the outside of the wrap.

By using above-mentioned technical proposal, wrap is often deep into moist well, and spring leaf is metal material, It easilying lead to spring leaf and gets rusty reduce its service life, waterproof layer can separate wrap and extraneous moist environment, from And play the role of preventing attachment of moisture on spring leaf, and then play the work that protection spring leaf improves spring leaf service life With.

Further, the floating part is set as kickboard, and the kickboard is arranged with metal-back.

By using above-mentioned technical proposal, metal-back can be improved the gravity of kickboard, when kickboard does not contact the water surface, kickboard It can be mobile to the direction of the second containing cavities with movable contact spring in time；The overall weight that metal-back can increase storage block plays centainly Counterweight effect, kickboard under gravity can be mobile to water surface direction rapidly after kickboard leaves the water surface, to improve inspection Survey device sensitivity effect, there are gaps between metal-back and kickboard, when kickboard connects underground liquid level, metal-back and float Gap between plate can increase certain buoyancy for kickboard, to play the role of not influencing kickboard normal work.

In conclusion the advantageous effects of the utility model are as follows:

1, storage block, the first containing cavities, the second containing cavities, demarcation plate, telescopic rod, floating part and contact are used, thus Generate the effect for preventing the water on the borehole wall from leading to measurement data inaccuracy；

2, fixed block and limit sliding rail are used, so that generating prevents contact and contact from misplacing in the first containing cavities Effect；

3, wrap and spring leaf are used, to generate the effect for improving floodometer measurement accuracy.

Detailed description of the invention

Fig. 1 is existing floodometer in background technique；

Fig. 2 is the overall structure diagram of the utility model；

Fig. 3 is the cross-section structure stored at block in the utility model；

Fig. 4 is the structural schematic diagram that block is stored in the utility model；

Fig. 5 is the enlarged structure schematic diagram in the portion A in Fig. 3；

Fig. 6 is the enlarged structure schematic diagram in the portion B in Fig. 3；

Fig. 7 is the enlarged structure schematic diagram in the portion C in Fig. 4;

Fig. 8 is the schematic cross-section of wrap in the utility model.

In figure, 1, rack；11, axis is wound；12, placement plate；13, instruction device；14, indicator light；2, transmission line；21, Wrap；23, spring leaf；24, waterproof layer；25, detecting head；3, detection device；4, block is stored；41, the second containing cavities；42, lead to Stomata；43, card slot；44, limiting slot；45, gasket；5, the first containing cavities；51, fixed block；52, limit track；53, contact； 54, demarcation plate；6, telescopic rod；61, contact；62, floating part；63, kickboard；64, metal-back；7, sealing cover；71, strip；72, it supports Feeler lever；73, block is held.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to Fig. 2, for a kind of floodometer for improving measurement accuracy disclosed by the utility model, including rack 1, Rotary setting winds axis 11 in rack 1, and placement plate 12 is arranged in the end face of winding axis 11, and placement plate 12 is separate to wind the one of axis 11 Face is provided with instruction device 13, and the instruction device 13 during this practicability is novel is indicator light 14, winds and winds transmission line on axis 11 2,2 one end of transmission line is connected on indicator light 14, and the other end is free end, and instruction device 13, instruction dress are connected on free end Setting 13 includes storage block 4；When operator needs to measure the water level line depth in well, operator needs to put detection device 3 Enter into well, and be suspended on detection device 3 at well head, then rotation winding axis 11, and releases the transmission on winding axis 11 Line 2, transmission line 2 is vertical under the action of detection device 3 is self-possessed to stretch to the shaft bottom water surface, when detection device 3 contacts the shaft bottom water surface When, detection device 3 can generate signal and pass to indicator light 14, and indicator light 14, which lights rear operator and stops operating, winds axis 11, Then the transmission line 2 that will be protruded into well is measured, the depth of water level line in you can get it well.

Referring to Fig. 3 and Fig. 4, storage block 4 is cylindrical, and storage 4 middle position of block is provided with demarcation plate 54, and demarcation plate 54 will Storing 4 inside division of block is the first containing cavities 5 and the second containing cavities 41, and 54 middle position of demarcation plate wears telescopic rod 6, telescopic rod 6 are arranged axle envelope type through-hole at the place of wearing of demarcation plate 54, therefore telescopic rod 6 can stretch in demarcation plate 54, but water can not It is penetrated into from demarcation plate 54 in first containing cavities 5, one end that telescopic rod 6 protrudes into the first containing cavities 5 is connected with conductive Contact 61, there are two limit track 52,52 end faces of limit track to be arranged in Contraband type for the setting of 5 inner sidewall of the first containing cavities, contact 61 It is slided up and down in limit track 52, for 61 plain cloth of contact on the insulation board of plastics, contact 61 is fixed on insulation by mechanical force On plate, insulation board is fixedly connected on one end that telescopic rod 6 is located at the first containing cavities 5, even if micro infiltration occurs for axle envelope type hole, Insulation board can prop contact 61, to play the role of preventing contact 61 from contacting, limit track 52 is far from the second containing cavities 41 one end face contact 53, there are two the settings of contact 53, and two contacts 53 are connected on transmission line 2, when two contacts After forming access between 53, transmission line 2 forms closed circuit, is provided in placement plate 12 and forms closed circuit confession to transmission line 2 The power supply of electricity, 5 lateral wall thread bush sealing cover 7 of the first containing cavities, transmission line 2 pass through sealing cover 7 and penetrate into the first containing cavities 5 Interior, the limiting slot 44 of restricted 7 position of sealing cover is arranged in storage 4 outer wall of block；Telescopic rod 6 is located at one end in the second containing cavities 41 Floating part 62 is set, floating part 62 is kickboard 63 in the present embodiment, and metal-back 64 is arranged far from one end of telescopic rod 6 in kickboard 63, And be hollow structure between metal-back 64 and kickboard 63,41 side wall of the second containing cavities offers venthole 42, and venthole 42 is close The setting of first containing cavities 5, venthole 42 are one week uniformly distributed around the second containing cavities 41.

Referring to Fig. 3 and Fig. 4, when storing the contact mine water bit line of block 4, water can be introduced into the second containing cavities 41, and water floats Power can push up kickboard 63, and the air in the second containing cavities 41 can be discharged by venthole 42, will not influence telescopic rod 6 It is flexible, while kickboard 63 will drive telescopic rod 6 to the movement of 5 direction of the first containing cavities, simultaneous retractable bar 6 will drive contact 61 and limit It is moved in the track 52 of position, when contact 61 contacts two contacts 53 simultaneously, transmission line 2 will form access, while 14 meeting of indicator light It lights, to then stop the release of transmission line 2, the release length for measuring transmission line 2 can measure the depth of mine water bit line, But when the wet borehole wall of waterline contact, kickboard 63 will not be moved up, and transmission line 2 not will form access, to play It prevents the wet borehole wall from interfering the effect of water level line measurement, and then plays the role of improving water level line measuring instrument measurement accuracy； To prevent the storage block 4 of metal from interfering the transmitting of 2 signal of transmission line, a layer insulating is brushed in the first containing cavities 5.

Reference Fig. 3 and Fig. 5, the interior setting fixed block 51 of the first containing cavities 5, the setting of fixed block 51 is in limit track 52 close to biography Then contact 53 is fixed on fixed block 51 by one end of defeated line 2 by screw, first revolve sealing cover 7 when installing fixed block 51 Lower storage block 4, transmission line 2 can rotate in sealing cover 7, the rotary seal cap 7 after contact 53 fixes, then in transmission line Upper marine glue is blocked between 2 and sealing cover 7.

Referring to Fig. 3 and Fig. 6, limiting slot 44 is arranged the gasket 45 of rubber material, and gasket 45 can block 7 He of sealing cover Gap between limiting slot 44, to improve the leakproofness of sealing cover 7.

Referring to Fig. 4 and Fig. 7, storage 4 lateral wall of block is evenly distributed with several card slots 43, and strip 71, card is arranged in the outer Slideslip of sealing cover 7 Item 71 contradicts bar 72 close to the threaded one end setting of transmission line 2, contradicts one end setting grip block 73 of the bar 72 far from gasket 45, After 7 position of sealing cover is fixed, by strip 71 simultaneously as in card slot 43 and sealing cover 7, then supported by the grip rotation of block 73 Feeler lever 72 fixes 71 position of strip, to play the role of preventing sealing cover 7 from loosening.

Referring to Fig. 8, wrap 21 is set outside transmission line 2,21 lateral wall of wrap is provided with scale, and the scale of reading will subtract The length of telescopic rod 6 is gone, to improve the precision of measurement data, spring leaf 23 is worn in wrap 21, spring leaf 23 is normal It is in straight setting under state, and 23 liang of sides of spring leaf, to bent intermediate, wrap 21 brushes one layer of waterproof layer 24, waterproof layer 24 outside It is made of marine glue, transmission line 2 is under the collective effect of spring leaf 23 and storage block 4, in vertical after discharging from winding axis 11 State to play the role of preventing transmission line 2 from bending, and then improves the measurement accuracy of floodometer.

The implementation principle of the present embodiment are as follows: the floodometer cost is very low, can substantially reduce floodometer investment The cost used, then have the detection device 3 of the floodometer compared to for more accurate metal probe, not rapid wear convenient to overhaul Evil is finally exactly that detection device 3 will not make its sensitivity decrease because of long-time contact water.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (10)

1. a kind of floodometer for improving measurement accuracy, including rack (1), the interior rotation of the rack (1) is provided with It winding axis (11), is wound with transmission line (2) on the winding axis (11), placement plate (12) are arranged in the winding axis (11) end face, It is provided with instruction device (13) on the placement plate (12), the instruction device (13) is connected to one end of transmission line (2), special Sign is: the transmission line (2) is provided with detection device (3) far from the one end of instruction device (13), detection device (3) packet Setting is included in the storage block (4) of transmission line (2) far from instruction device (13) one end, the storage block (4) along far from transmission line (2) direction successively offers the first containing cavities (5) and the second containing cavities (41), first containing cavities (5) and the second storage The demarcation plate (54) for separating the first containing cavities (5) and the second containing cavities (41), first containing cavities are provided between chamber (41) (5) it is provided with the contact (53) of connection transmission line (2) in, slides and is provided with telescopic rod (6) on the demarcation plate (54), it is described to stretch One end that contracting bar (6) is located in the first containing cavities (5) is provided with the contact (61) for electrical connection；The telescopic rod (6) is located at One end in second containing cavities (41) is provided with the floating part (62) for driving telescopic rod (6) flexible, second containing cavities (41) Inner sidewall offers venthole (42) close to one end of the first containing cavities (5).

2. the floodometer according to claim 1 for improving measurement accuracy, it is characterised in that: first containing cavities (5) inner sidewall is provided with fixed block (51), and the contact (53) is fixed on fixed block (51).

3. the floodometer according to claim 2 for improving measurement accuracy, it is characterised in that: the transmission line (2) It is set as being detachably connected with storage block (4), storage block (4) the lateral wall thread bush is equipped with sealing cover (7), the transmission line (2) it is threaded through in sealing cover (7).

4. the floodometer according to claim 3 for improving measurement accuracy, it is characterised in that: the storage block (4) The limiting slot (44) of restricted sealing cover (7) position is arranged in lateral wall, is provided with gasket (45) in the limiting slot (44).

5. the floodometer according to claim 4 for improving measurement accuracy, it is characterised in that: the sealing cover (7) Lateral wall slides axially along it to be provided with strip (71), and storage block (4) lateral wall is evenly equipped with along strip (71) rotational trajectory The card slot (43) of several limitation strip (71) rotations.

6. the floodometer according to claim 5 for improving measurement accuracy, it is characterised in that: the strip (71) is outside Side wall rotation be provided with contradict sealing cover (7) lateral wall conflict bar (72), it is described contradict bar (72) far from sealing cover (7) one End is provided with grip block (73).

7. the floodometer according to claim 1 for improving measurement accuracy, it is characterised in that: first containing cavities (5) inner sidewall be provided with for contact (61) sliding limit track (52), the limit track (52) close to transmission line (2) one End connection fixed block (51).

8. the floodometer according to claim 7 for improving measurement accuracy, it is characterised in that: the transmission line (2) It is wrapped with the wrap (21) of setting scale, is provided in the wrap (21) and wrap (21) is supportted to straight spring leaf (23)。

9. the floodometer according to claim 8 for improving measurement accuracy, it is characterised in that: the wrap (21) Outside is enclosed with waterproof layer (24).

10. the floodometer according to claim 1 for improving measurement accuracy, it is characterised in that: the floating part (62) it is set as kickboard (63), the kickboard (63) is arranged with metal-back (64).