CN202171477U - Device for monitoring water inflow of underground mine - Google Patents
Device for monitoring water inflow of underground mine Download PDFInfo
- Publication number
- CN202171477U CN202171477U CN2011202667844U CN201120266784U CN202171477U CN 202171477 U CN202171477 U CN 202171477U CN 2011202667844 U CN2011202667844 U CN 2011202667844U CN 201120266784 U CN201120266784 U CN 201120266784U CN 202171477 U CN202171477 U CN 202171477U
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- type support
- weir plate
- stand type
- differential pressure
- plate
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Abstract
The utility model relates to a device for monitoring water inflow of an underground mine, which is composed of a flow meter and a flow totalizer (9). A weir plate frame (1) of the flow meter is formed by two vertical supports and two horizontal supports, two differential-pressure type sensors (5) are arranged at the upper end of one vertical support through sensor installation supports (4), one ends of two pressure-leading flexible pipes (6) are respectively and correspondingly connected with pressure-leading holes of the two differential-pressure type sensors (5), the other ends of the two pressure-leading flexible pipes (6) are inserted in the bottom of water guiding pipes (7) corresponding to the two pressure-leading flexible pipes (6). An inserting plate adjusting groove (2) is respectively fixed on the upper portion of the two vertical supports, a weir plate inserting plate (3) is movably fixed on the weir plate frame (1) through a bolt on the inserting plate adjusting groove (2), and a scaleplate (5) is vertically arranged on the inside of one of the two vertical supports. Two input signal ports of the flow totalizer (9) are respectively connected with the two differential-pressure type sensors (5) through signal wires. The device for monitoring the water inflow has the advantages of being accurate in measurement, wide in scope of application, easy to move, and capable of being adapted to severe environment.
Description
Technical field
The utility model belongs to the flow monitoring device, relates in particular to a kind of device that is used for mine water inrush amount under the monitor well.
Background technology
The pit water burst is the potential safety hazard that underground mining is paid close attention to always, is the necessary means of the anti-draining in mine to the real-time monitoring of pit water yield.Monitoring means to the pit water yield mainly is the instant measurement to discharge in the drift dewatering ditch, and water burst flowing in the trench drain in pit is that the light section open channel on the hydrology flows.
Existing open channel flow rate mainly adopts the indirect method of measurement; Restriction device with Fixed Sections is installed in open channel; Detected fluid is formed restricting resistance force, thus the upstream and downstream of restriction device form with the open channel xsect on mean flow rate have the liquid level difference of funtcional relationship.The liquid level that if can guarantee restriction device lower exit place is constant, and then the upper reaches liquid level of restriction device can reflect the mean flow rate on the open channel xsect, and then reaches the purpose that open channel flow rate is measured.
The indirect method of measurement mainly records water surface liquid level through differential pressure pick-up or ultrasound wave mode; Because the place that downstream are had free surface is as the monitoring point; The flow section streamflow regime belongs to weir flow, can reach the purpose to flow measurement so only need at the upper reaches, monitoring point differential pressure pick-up or supersonic sounding device to be installed.But yet generally do not exist downstream to have the measuring point of free surface in the drift dewatering ditch; Simultaneously owing to space in the trench drain is limited; Smooth and easy for guaranteeing that water burst flows, also can not build artificial boss to form free surface, if therefore install restriction device at bottom of trench; The current that flow through restriction device will become the lock hole and effluent, and can't realize measuring accurately based on the open-channel meter of weir flow but have now.
The water burst over-current state is widely different in the drainage underground ditch, and the water yield size changed with different seasonal and production period, and the restriction device of existing Fixed Sections can't adapt to flow velocity and the water level that constantly changes.
Shaft sump needs timely desilting, and drainage channel is unfixing, and this just requires the flow measurement device to have good mobility, and existing open-channel meter volume is bigger, and is difficult for moving after installing; Because flowmeter needs a large amount of installing spaces, be difficult under the prerequisite that does not influence the water burst proper flow simultaneously, be installed in the space narrow and small underworkings and trench drain.
Summary of the invention
The utility model is intended to overcome the prior art defective, purpose provide a kind of measure accurate, applied widely, be convenient to the devices that are used for mine water inrush amount under the monitor well that move and adapt to rugged surroundings.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: this measurement mechanism is made up of flowmeter and flow integrator two parts.
Flowmeter comprises weir plate frame, plate regulating tank, weir plate plate, mounting frame for sensor, differential pressure pick-up, impulse flexible pipe, aqueduct and scale.The weir plate frame is made up of two stand type support and two horizontal stands, in the upper end of a stand type support mounting frame for sensor is housed fixedly, and two differential pressure pick-ups are equipped with in the upper end of mounting frame for sensor.The forward and backward both sides of this root stand type support are respectively arranged with aqueduct, an end of two impulse flexible pipes respectively with the corresponding connection of tracting pressuring hole of two differential pressure pick-ups, the other end of two impulse flexible pipes inserts the bottom of each self-corresponding aqueduct respectively.The top of two stand type support is fixed with the plate regulating tank respectively, and the weir plate plate is fixed on the weir plate frame through the bolt activity on the plate regulating tank, and a support inboard in the stand type support vertically is provided with scale.
Two input signal interfaces of flow integrator are connected respectively with two differential pressure pick-ups through signal wire, and flow integrator places the stainless steel instrument box.
Described two differential pressure pick-ups are installed in the housing of a sealing.
Two stand type support of described weir plate frame and two horizontal stands inboard vertical, rectangular each other, the horizontal range b=300～500mm between two stand type support inboards wherein, the vertical range h=600～1000mm between two horizontal stand inboards; Two stand type support of weir plate frame are identical with the cross sectional dimensions in trench drain with the outside of two horizontal stands, are trapezoidal; The xsect of two stand type support is a variable cross section, and the cross section is wide at the top and narrow at the bottom.
Have two row apertures on the tube wall of described aqueduct, every row aperture is 8～12, and every row aperture pitch of holes vertically is 40～60mm, and the diameter of every row aperture is 3～5mm, two row aperture alternative arrangement.
The level cross-sectionn of the installation site of described plate regulating tank is half-twist " L " shape, and two plate regulating tanks are fixed on the weir plate frame symmetrically, and the plate regulating tank is provided with 2～4 screws.
The setting height(from bottom) of described scale is: zero graduation is concordant with the underframe medial surface of weir plate frame.
Slit between the power lead hole of described stainless steel instrument box, signal wire hole and the chamber door adopts rubber gasket to seal, and is placed with drying agent in the stainless steel instrument box.
Because adopt technique scheme, the utility model inserts the trench drain with flowmeter along Transverse to the flow direction, the weir plate frame closely contacts with furrow bank; According to instant water yield Q size adjustment sluice gate aperture e, the bottom that makes the weir plate plate is a little more than the upper pond level height.Water level is consistent with the outer water level of pipe in current flow in the aqueduct through the aperture on the aqueduct tube wall, manage, and an end of impulse flexible pipe inserts bottom the aqueduct, guarantees that the differential pressure pick-up survey is hydrostatic force; The other end of two impulse flexible pipes respectively with the corresponding connection of tracting pressuring hole of two differential pressure pick-ups, and adopt the fluid sealant sealing, accurately measure upstream and downstream liquid level difference Δ h.Two differential pressure pick-ups convert differential pressure signal into electric signal, transfer to flow integrator.If the lock hole width is b and aperture is e; Utilize the broken line correction in the flow integrator; Transformation relation according to water yield
converts input signal into corresponding instantaneous delivery value, then realizes the measuring point downstream are not had the accurate measurement of free surface pit water yield Q.
The weir plate plate inserts the plate regulating tank, and through scale with regulate bolt on the plate regulating tank and accurately regulate the level altitude of weir plate plate, change lock hole aperture e, to adapt to Various Seasonal and to produce the water yield Q that the period constantly changes.Suitably heightened lock hole aperture e when flood season, water yield Q was big, with guarantee water burst can be from the lock hole normal flow mistake; Suitably reduce lock hole aperture e water yield Q hour dry season, be lock hole submerge discharging flow, improve measurement accuracy to guarantee to effluent.To trench drain, different size ground, take the flowmeter of different lock hole width b.For different lock hole width b and aperture e, through changing the full scale correction factor in the flow integrator, realize converting the input signal of different lock hole width b and aperture e into corresponding instantaneous delivery value, have broad applicability.
The weir plate support body is long-pending little, is easy to carry and installs, and need not underworkings and trench drain are transformed, and takies tunnel and space, trench drain hardly, neither influences the normal functions of use in tunnel, also can guarantee the smooth and easy mobile of pit water burst.
Flow integrator is installed in that power supply obtains conveniently, light is preferably in the chamber; And be positioned in the stainless steel instrument box; Slit between power lead hole, signal wire hole and the chamber door adopts rubber gasket to seal; Be placed with drying agent in the stainless steel instrument box, make flow integrator be unlikely to be exposed in the humid air of down-hole.
Therefore, the utlity model has measure accurate, applied widely, be convenient to the characteristics that move and adapt to rugged surroundings; Be mainly used in real-time automatic monitoring, record, inquiry and the analysis of pit water yield in the drainage underground ditch, can be used for the monitoring of underground works water yields such as the tunnel similar, chamber in addition with Minepit environment.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 be Fig. 1 A-A to diagrammatic cross-section;
Fig. 3 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model being done to further describe, is not the qualification to the utility model protection domain.
A kind of device that is used for mine water inrush amount under the monitor well.This measurement mechanism such as Fig. 1, Fig. 2 and shown in Figure 3 are made up of flowmeter and flow integrator 9 two parts.
Flowmeter is as depicted in figs. 1 and 2, comprises weir plate frame 1, plate regulating tank 2, weir plate plate 3, mounting frame for sensor 4, differential pressure pick-up 5, impulse flexible pipe 6, aqueduct 7 and scale 10.Weir plate frame 1 is made up of two stand type support and two horizontal stands, in the upper end of a stand type support mounting frame for sensor 4 is housed fixedly, and two differential pressure pick-ups 5 are equipped with in the upper end of mounting frame for sensor 4.The end that the forward and backward both sides of this root stand type support are respectively arranged with 7, two impulse flexible pipes 6 of aqueduct respectively with the corresponding connection of tracting pressuring hole of two differential pressure pick-ups 5, the other end of two impulse flexible pipes 6 inserts the bottom of each self-corresponding aqueduct 7 respectively.The top of two stand type support is fixed with plate regulating tank 2 respectively, and weir plate plate 3 is fixed on the weir plate frame 1 through the bolt activity on the plate regulating tank 2, and a support inboard in the stand type support vertically is provided with scale 10.
Two input signal interfaces of flow integrator 9 are connected respectively with two differential pressure pick-ups 5 through signal wire, and flow integrator 9 places stainless steel instrument box 8.
In the present embodiment:
Two differential pressure pick-ups 5 are installed in the housing of a sealing;
Two stand type support of weir plate frame 1 and two horizontal stands inboard vertical, rectangular each other, the horizontal range b=400mm between two stand type support inboards wherein, the vertical range h=800mm between two horizontal stand inboards; Two stand type support of weir plate frame 1 are identical with the cross sectional dimensions in trench drain with the outside of two horizontal stands, are trapezoidal; The xsect of two stand type support is a variable cross section, and the cross section is wide at the top and narrow at the bottom.Have two row apertures on the tube wall of aqueduct 7, as shown in Figure 2,10 apertures of every row, every row aperture pitch of holes vertically is 50mm, the diameter of every row aperture is 4mm, two row aperture alternative arrangement; Plate regulating tank 2 is as shown in Figure 3, and the level cross-sectionn of its installation site is " L " shape of half-twist, and two plate regulating tanks 2 are fixed on weir plate frame 1 symmetrically, and plate regulating tank 2 is provided with 2～4 screws; The setting height(from bottom) of scale 10 is as shown in Figure 2: zero graduation is concordant with the underframe medial surface of weir plate frame 1; Slit between the power lead hole of stainless steel instrument box 8, signal wire hole and the chamber door adopts rubber gasket to seal, and is placed with drying agent in the stainless steel instrument box 8.
A kind of device that is used for mine water inrush amount under the monitor well
The every row aperture of present embodiment is 8～9, and every row aperture pitch of holes vertically is 40～50mm, and the diameter of every row aperture is 3～4mm, two row aperture alternative arrangement.
Horizontal range b=300～400mm between two stand type support inboards, the vertical range h=600～800mm between two horizontal stand inboards.
All the other are with embodiment 1.
A kind of device that is used for mine water inrush amount under the monitor well
Have two row apertures on the tube wall of described aqueduct 7, every row aperture is 11～12,, every row aperture pitch of holes vertically is 50～60mm, the diameter of every row aperture is 4～5mm, two row aperture alternative arrangement.
Horizontal range b=400～500mm between two stand type support inboards, the vertical range h=800～1000mm between two horizontal stand inboards.
All the other are with embodiment 1.
Because adopt technique scheme, the utility model inserts the trench drain with flowmeter along Transverse to the flow direction, weir plate frame 1 closely contacts with furrow bank; According to instant water yield Q size adjustment sluice gate aperture e, the bottom that makes weir plate plate 3 is a little more than the upper pond level height.Water level is consistent with the outer water level of pipe in current flow in the aqueduct 7 through the aperture on aqueduct 7 tube walls, manage, and an end of impulse flexible pipe 6 inserts aqueduct 7 bottoms, and 5 surveys of assurance differential pressure pick-up are hydrostatic force; The other end of two impulse flexible pipes 6 respectively with the corresponding connection of tracting pressuring hole of two differential pressure pick-ups 5, and adopt the fluid sealant sealing, accurately measure upstream and downstream liquid level difference Δ h.Two differential pressure pick-ups 5 convert differential pressure signal into electric signal, transfer to flow integrator 9.If the lock hole width is b and aperture is e; Utilize the broken line correction in the flow integrator 9; Transformation relation according to water yield
converts input signal into corresponding instantaneous delivery value, then realizes the measuring point downstream are not had the accurate measurement of free surface pit water yield Q.
Weir plate plate 3 inserts plate regulating tanks 2, and through scale 10 with regulate bolt on the plate regulating tank 2 and accurately regulate the level altitude of weir plate plate 3, change lock hole aperture e, to adapt to Various Seasonal and to produce the water yield Q that the period constantly changes.Suitably heightened lock hole aperture e when flood season, water yield Q was big, with guarantee water burst can be from the lock hole normal flow mistake; Suitably reduce lock hole aperture e water yield Q hour dry season, be lock hole submerge discharging flow, improve measurement accuracy to guarantee to effluent.To trench drain, different size ground, take the flowmeter of different lock hole width b.For different lock hole width b and aperture e, through changing the full scale correction factor in the flow integrator 9, realize converting the input signal of different lock hole width b and aperture e into corresponding instantaneous delivery value, have broad applicability.
Weir plate frame 1 volume is little, is easy to carry and installs, and need not underworkings and trench drain are transformed, and takies tunnel and space, trench drain hardly, neither influences the normal functions of use in tunnel, can guarantee that also the smooth and easy of pit water burst flows.
Therefore, the utlity model has measure accurate, applied widely, be convenient to the characteristics that move and adapt to rugged surroundings; Be mainly used in real-time automatic monitoring, record, inquiry and the analysis of pit water yield in the drainage underground ditch, can be used for the monitoring of underground works water yields such as the tunnel similar, chamber in addition with Minepit environment.
Claims (7)
1. device that is used for mine water inrush amount under the monitor well is characterized in that this measurement mechanism is made up of flowmeter and flow integrator (9) two parts;
Flowmeter comprises weir plate frame (1), plate regulating tank (2), weir plate plate (3), mounting frame for sensor (4), differential pressure pick-up (5), impulse flexible pipe (6), aqueduct (7) and scale (10); Weir plate frame (1) is made up of two stand type support and two horizontal stands; In the upper end of a stand type support mounting frame for sensor (4) is housed fixedly; Two differential pressure pick-ups (5) are equipped with in the upper end of mounting frame for sensor (4); The forward and backward both sides of this root stand type support are respectively arranged with aqueduct (7); One end of two impulse flexible pipes (6) respectively with the corresponding connection of tracting pressuring hole of two differential pressure pick-ups (5), the other end of two impulse flexible pipes (6) inserts the bottom of each self-corresponding aqueduct (7) respectively; The top of two stand type support is fixed with plate regulating tank (2) respectively, and weir plate plate (3) is fixed on the weir plate frame (1) through the bolt activity on the plate regulating tank (2), and a support inboard in the stand type support vertically is provided with scale (10);
Two input signal interfaces of flow integrator (9) are connected respectively with two differential pressure pick-ups (5) through signal wire, and flow integrator (9) places stainless steel instrument box (8).
2. the device that is used for mine water inrush amount under the monitor well according to claim 1 is characterized in that described two differential pressure pick-ups (5) are installed in the housing of a sealing.
3. the device that is used for mine water inrush amount under the monitor well according to claim 1; Two stand type support and two horizontal stands inboard vertical each other that it is characterized in that described weir plate frame (1); Rectangular; Horizontal range b=300～500mm between two stand type support inboards wherein, the vertical range h=600～1000mm between two horizontal stand inboards; Two stand type support of weir plate frame (1) are identical with the cross sectional dimensions in trench drain with the outside of two horizontal stands, are trapezoidal; The xsect of two stand type support is a variable cross section, and the cross section is wide at the top and narrow at the bottom.
4. the device that is used for mine water inrush amount under the monitor well according to claim 1; It is characterized in that having two row apertures on the tube wall of described aqueduct (7); Every row aperture is 8～12; Every row aperture pitch of holes vertically is 40～60mm, and the diameter of every row aperture is 3～5mm, two row aperture alternative arrangement.
5. the device that is used for mine water inrush amount under the monitor well according to claim 1; The level cross-sectionn that it is characterized in that the installation site of described plate regulating tank (2) is " L " shape of half-twist; Two plate regulating tanks (2) are fixed on weir plate frame (1) symmetrically, and plate regulating tank (2) is provided with 2～4 screws.
6. the device that is used for mine water inrush amount under the monitor well according to claim 1, it is characterized in that the setting height(from bottom) of described scale (10) is: zero graduation is concordant with the underframe medial surface of weir plate frame (1).
7. the device that is used for mine water inrush amount under the monitor well according to claim 1; It is characterized in that the slit between power lead hole, signal wire hole and the chamber door of described stainless steel instrument box (8) adopts rubber gasket to seal, the stainless steel instrument box is placed with drying agent in (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202667844U CN202171477U (en) | 2011-07-26 | 2011-07-26 | Device for monitoring water inflow of underground mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202667844U CN202171477U (en) | 2011-07-26 | 2011-07-26 | Device for monitoring water inflow of underground mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171477U true CN202171477U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202667844U Withdrawn - After Issue CN202171477U (en) | 2011-07-26 | 2011-07-26 | Device for monitoring water inflow of underground mine |
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| Country | Link |
|---|---|
| CN (1) | CN202171477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410860A (en) * | 2011-07-26 | 2012-04-11 | 武汉科技大学 | Pit water inflow monitoring device |
| CN103376139A (en) * | 2012-04-12 | 2013-10-30 | 辽宁省水利水电科学研究院 | Flow-guiding protective cover of high-calcium area seepage monitoring equipment |
| CN115013065A (en) * | 2022-07-05 | 2022-09-06 | 成都理工大学 | Floods alarm system in pit based on monitoring facilities gushes water |
-
2011
- 2011-07-26 CN CN2011202667844U patent/CN202171477U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410860A (en) * | 2011-07-26 | 2012-04-11 | 武汉科技大学 | Pit water inflow monitoring device |
| CN102410860B (en) * | 2011-07-26 | 2012-10-31 | 武汉科技大学 | Pit water inflow monitoring device |
| CN103376139A (en) * | 2012-04-12 | 2013-10-30 | 辽宁省水利水电科学研究院 | Flow-guiding protective cover of high-calcium area seepage monitoring equipment |
| CN115013065A (en) * | 2022-07-05 | 2022-09-06 | 成都理工大学 | Floods alarm system in pit based on monitoring facilities gushes water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120321 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |