CN109506720A - A kind of large section roadway air quantity device for accurately measuring and method - Google Patents
A kind of large section roadway air quantity device for accurately measuring and method Download PDFInfo
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- CN109506720A CN109506720A CN201811534391.XA CN201811534391A CN109506720A CN 109506720 A CN109506720 A CN 109506720A CN 201811534391 A CN201811534391 A CN 201811534391A CN 109506720 A CN109506720 A CN 109506720A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 44
- 238000005192 partition Methods 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 70
- 238000005452 bending Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 9
- 206010008190 Cerebrovascular accident Diseases 0.000 claims description 3
- 208000006011 Stroke Diseases 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
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- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P11/00—Measuring average value of speed
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- Testing Or Calibration Of Command Recording Devices (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention provides a kind of large section roadway air quantity device for accurately measuring and method, the present apparatus uses two-way grooved rail, two-way grooved rail is divided into the track groove below track groove and grooved rail above grooved rail by grooved rail partition, chain carries out shuttling movement in this two track grooves, driving wheel and driven wheel are set at the both ends of grooved rail unit simultaneously, driving wheel drives chain to be rotated, chain further drives deck to be rotated, wind table is set on deck, wind table carries out shuttling movement on the section in tunnel, the track of wind table movement can carry out the covering of large area to the section in tunnel；The present apparatus also conveniently can be recycled and be dismantled after measurement.The present invention have the function of compared with prior art the normal operation accurate, easy to operate, that do not influence tunnel of measurement of air quantity and by, cost is relatively low for integral manufacturing, material used in the present apparatus is all material relatively conventional in bargh, while having the advantages that be relatively easy to make and process.
Description
Technical field
The invention belongs to coal mining technology fields, and in particular to a kind of large section roadway air quantity device for accurately measuring and
Method.
Background technique
In Safety of Coal Mine Production, the work of " threeway one is anti-" plays an important role, wherein the ventilation operation in tunnel
The even more most important thing, in order to grasp wind speed in tunnel and whether air quantity meets production design and " safety regulations in coal mine "
It is required that the work for needing to carry out carrying out surveying wind in tunnel in tunnel.
If it is that tunnel is divided into stem portion that wind principle is surveyed in existing tunnel, surveys wind person and hold the wind that wind table tests each section
Speed surveys wind person under normal circumstances and is at the uniform velocity moved to the other end from one section of tunnel in one minute, and it is hand-held to survey wind person in measurement process
Wind table is moved in tunnel by class M type, and tunnel wind speed is calculated by mean wind speed, and the maximum height that this method is capable of measuring is behaved
The height of body adds the length of single arm to be usually no more than 2.5m, and the region of 2.5m or more can not then be measured, together
When stepping up with advanced mine production capacity, drift section also constantly expands therewith, and the air quantity into, return air in tunnel is not yet
Disconnected to increase, distinguished and admirable in tunnel is turbulent condition, and wind speed is maximum in the middle part of tunnel, and wall wind speed is minimum, for being greater than 2.5m high
Tunnel for, the wind speed in the region of 2.5m above section can not then measure, this is just unavoidably obtained, and there are larger
The measurement result of error, while there is also the tunnel more bigger technological deficiencies of high measurement error.
In order to reduce this measurement error, when measuring region of the height in 2.5m or more, existing solution is most
It is using hand-held extension bar, wind table is fixed on hand-held extension bar and measures, i.e., when measuring the height region below 2.5m
In the way of hand-held wind table, when measurement is more than more than 2.5m height region in the way of hand-held extension bar；But this
Two ways can not ensure the continuity of measurement in reciprocal switching, while also increase measurement the time it takes, also can not
The increase measurement error avoided, furthermore it is each survey wind person measurement habit, body figure, movement speed be all different, these because
Element will have an impact measurement result.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Summary of the invention
When the purpose of the present invention is overcoming the higher tunnel of the above-mentioned head-room of manual measurement in the prior art, air quantity without
Method measurement or the inaccurate technological deficiency of measurement result, at the same can also overcome in the prior art measurement result can not protect
The problems such as continuity of barrier test, the testing time is longer, and measurement error is larger.
To achieve the goals above, the invention provides the following technical scheme:
A kind of large section roadway air quantity device for accurately measuring and method, the measuring device are arranged on the section in tunnel,
The measuring device includes:
Fixed mechanism, the fixed mechanism are located on the section in tunnel, and the fixed mechanism is arranged by connection ring disconnected
In the wall in face, fixed and supported for providing；
Driving mechanism, the driving mechanism is located on the fixed mechanism, for providing rotary power；
Measuring mechanism, the measuring mechanism are located on the fixed mechanism, and the measuring mechanism is in the driving mechanism
It is moved on the fixed mechanism under drive, the measurement for air quantity at drift section.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the fixed mechanism includes:
Two-way grooved rail, the two-way grooved rail is arranged in the wall of drift section by the connection ring, described two-way
Grooved rail detour on the section in tunnel is distributed, and the two-way grooved rail includes grooved rail partition and track groove, and the track groove includes position
The lower railway slot of upper rail slot and lower section above track partition；
Connection ring, the side of the connection ring are connected on the side wall of two-way grooved rail, and the other side of connection ring is connected to lane
On road wall.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the driving mechanism includes:
Driving motor, the driving motor are located at one end of the two-way grooved rail, are used to provide power；
Driving wheel, the driving wheel are located on the two-way grooved rail of described driving motor one end, and the driving wheel is driving
It is rotated under the drive of dynamic motor；
Driven wheel, the driven wheel are located at the other end of the two-way grooved rail；
Chain, the chain are located in the track groove of the two-way grooved rail, chain two-way grooved rail upper rail slot and under
Track groove inner looping is circularly set, and the chain includes above chain and grooved rail partition below the grooved rail partition of integral structure
Chain, enter lower railway slot after the chain winding driving wheel and driven wheel above the grooved rail partition, under the grooved rail partition
Enter upper rail slot after the chain winding driving wheel and driven wheel of side, below the chain and grooved rail partition above grooved rail partition
Chain do shuttling movement in two-way grooved rail under the drive of driving wheel and driven wheel.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the measuring mechanism includes:
Deck, the deck are arranged on the single chain unit of the chain, and the deck is located in track groove；
The bottom end of connecting rod, the connecting rod is connected on deck, and track groove is stretched out on the top of the connecting rod；
Wind table, the wind table are connected to the top of the connecting rod, for the measurement to the air quantity on drift section.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the fixed mechanism includes: described two-way
Grooved rail includes multiple grooved rail units, the multiple grooved rail unit S-shaped distributions on section, between two neighboring grooved rail unit
Head and the tail carried out by rotary shaft hinged, rotary shaft is located between the stem and tail portion of two neighboring grooved rail unit, the grooved rail
Chain winding above partition is on the rotary shaft.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the fixed mechanism further include:
Connector, the connector include upper connector and lower connector, and the upper connector is connected to the top plate in tunnel
On, the lower connector is connected to the middle part of the grooved rail unit of bottom；
Halyard, the top and bottom of the halyard are connected on the upper connector and lower connector.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the grooved rail unit includes straight track portion and curved
Rail portion, the bending track portion are connected on the straight track portion, connection of the bending track portion between two neighboring grooved rail unit
Place, the connection ring are arranged on the inner sidewall in the bending track portion, and two adjacent grooved rail lists of head and the tail are arranged in the rotary shaft
At the bending track portion of member.
Large section roadway air quantity device for accurately measuring as described above, it is preferable that the side of the connection ring is provided with extension
Hook, connection ring are arranged on tunnel by the hook.
Such as the air measuring method of the large section roadway air quantity device for accurately measuring, the measurement method includes as follows
Step:
The installation of S1, fixed mechanism: fixed mechanism is mounted on the section in tunnel；
The starting of S2, driving mechanism: starting driving motor, driving motor drive measuring mechanism to carry out on fixed mechanism
Operating；
S3, the measurement of air quantity: wind table is driven by the chain to carry out shuttling movement, wind in the track groove of two-way grooved rail
Table records the air quantity related data in motion profile, after measurement, according to wind table record air quantity related data into
Row calculates or reads the mean wind speed on drift section.
The air measuring method of large section roadway air quantity device for accurately measuring as described above, it is preferable that the step S1's
Specifically comprise the following steps:
S101, the grooved rail unit of two-way grooved rail is unfolded；
S102, grooved rail unit is fixed on the inner wall of tunnel using link；
S103, upper connector is connected on back, then lower connector is connected to the bottom of two-way grooved rail
On grooved rail unit；
The motion profile of the step S3 apoplexy table covers the S-shaped region of entire drift section.
Compared with the immediate prior art, technical solution provided by the invention has following excellent effect:
The present invention on drift section by being arranged two-way grooved rail, and setting can be with the chain of shuttling movement in two-way grooved rail
Not yet, the deck of wind table is provided on chain, driving motor drives deck to carry out shuttling movement, and wind table can be to drift section
Carry out precise measurement.
The present invention at least has the following technical effect that compared with prior art:
1) measurement of air quantity is accurate: since wind table is moved along the track groove of two-way grooved rail, two-way grooved rail is in tunnel
S-shaped or "the" shape distribution are carried out on section, so wind table can cover the section in entire tunnel in measurement,
Not against manual movement when wind table movement simultaneously, this guarantees the accuracies of wind table measurement data；
2) easy to operate: directly to be hung in wall when connection by connection ring, upper connector directly hangs over back
On, it arranges more quick and convenient；
3) normal operation in tunnel is not influenced and passes through function: the present apparatus being unfolded and fixed when needing to measure, is being surveyed
Also quick release and recycling at the end of amount, while when placing without the space that occupancy is more；
4) cost is relatively low for integral manufacturing, and material used in the present apparatus is all material relatively conventional in Kuang Shang enterprise, compared with
To be easy production and processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the measuring device in the embodiment of the present invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is enlarged drawing at the A of Fig. 2；
Fig. 4 is the positional diagram of the grooved rail partition and rotary shaft and chain in the embodiment of the present invention；
Fig. 5 is the positional diagram of the deck and grooved rail unit in the embodiment of the present invention；
Fig. 6 is the positional diagram of the deck and chain unit in the embodiment of the present invention.
In figure: 1, tunnel；2, lower connector；3, driven wheel；4, driving wheel；5, driving motor；6, wind table；7, upper connection
Part；8, halyard；9, two-way grooved rail；901, grooved rail partition；10, rotary shaft；11, connection ring；12, chain；1201, grooved rail every
Chain below plate；1202, the chain above grooved rail partition；13, connecting rod；14, deck；15, chain unit.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described reality
Applying example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, only
It is of the invention for ease of description rather than requires the present invention that must be constructed and operated in a specific orientation, therefore cannot understands
For limitation of the present invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixed
Connection, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be understood as the case may be.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.
As shown in figs. 1 to 6, the present invention provides a kind of large section roadway air quantity device for accurately measuring and method, measuring device
It is arranged on the section in tunnel 1, measuring device includes:
As shown in Figure 1, fixed mechanism, fixed mechanism is located on the section in tunnel 1, and fixed mechanism is set by connection ring 11
It sets in the wall of section, is fixed and supported for providing, connection ring mainly plays fixed function in the specific implementation, due to
The lighter in weight of two-way grooved rail itself, as long as connection ring can be hung over can meet the requirements on tunnel；In the present embodiment, preferably
Ground, fixed mechanism include: two-way grooved rail 9, and two-way grooved rail 9 is arranged in the wall of drift section by connection ring 11, two-way
The detour on the section in tunnel 1 of grooved rail 9 is distributed, i.e., two-way grooved rail 9 is on the section in tunnel 1 with class "the" shape or class S
The shape of shape is distributed, that is, down from the top of two-way grooved rail 9, and wall of the two-way grooved rail 9 successively with two sides connects
Touching connection, as long as two-way grooved rail 9 can be covered comprehensively the S-shaped region of the section in tunnel 1 or "the" shape region,
When choosing measurement point, the two-way grooved rail 9 of more representational measurement point can be chosen, two-way grooved rail 9 includes grooved rail
Partition 901 and track groove, track groove include the lower railway slot of the upper rail slot and lower section above track partition.
Connection ring 11,11 sides of connection ring are connected on the side wall of two-way grooved rail 9, the other side connection of connection ring 11
On 1 wall of tunnel, it is preferred that the side of connection ring 11 is provided with hook, and connection ring 11 is arranged on tunnel 1 by hook, or
The connection ring 11 of the one end of person far from two-way grooved rail 9 is open setting, and the opening of connection ring 11 is provided with hook, and hook can be with
Hang on the anchor net in tunnel 1 or 1 wall of tunnel with anchor hole, due to two-way grooved rail 9 plus measuring device itself quality compared with
Gently, it is fixed on 1 wall of tunnel as long as connection ring 11 can be hung over.
As shown in Fig. 2, further, two-way grooved rail 9 includes multiple grooved rail units, and multiple grooved rail units are in S on section
Shape or "the" shape are distributed, and the head and the tail between two neighboring grooved rail unit are carried out hingedly by rotary shaft 10, and rotary shaft 10 can
The end point of two neighboring grooved rail unit to be arranged in by bearing, rotary shaft 10 is located at the stem of two neighboring grooved rail unit
Between tail portion, the chain 1201 above grooved rail partition is wound around in rotary shaft 10.Grooved rail unit includes straight track portion and bending track
Portion, bending track portion are connected on straight track portion, junction of the bending track portion between two neighboring grooved rail unit, and connection ring 11 is arranged
On the inner sidewall in bending track portion, rotary shaft 10 is arranged at the bending track portion of two adjacent grooved rail units of head and the tail.
Further, fixed mechanism further include: connector, connector include upper connector 7 and lower connector 2, upper connection
Part 7 is connected on the top plate in tunnel 1, and lower connector 2 is connected to the middle part of the grooved rail unit of bottom；Halyard 8, halyard 8
Top and bottom be connected on upper connector 7 and lower connector 2, upper connector 7 and lower connector 2 and halyard 8
Combination can assist that two-way grooved rail 9 is fixed, the anchor that upper connector 7 can hang over 1 top plate of tunnel is online or hang over
In the anchor hole in tunnel 1, as long as upper connector 7 can be fixed on back, in the specific implementation, halyard 8
It can be the telescopic rod being made of telescopic joint, the top and bottom of telescopic rod are connected to upper connector 7 and lower connector 2
On, there are the knob or valve body for capableing of locking on telescopic rod, due to the lighter in weight of single unit system, fixed mechanism itself is also risen
The fixed function of auxiliary, halyard or telescopic rod and other mechanisms that can be stretched can meet fixed mechanism auxiliary
Fixed requirement.
Driving mechanism, driving mechanism is located on fixed mechanism, for providing rotary power.In the present embodiment, it is preferable that
Driving mechanism includes: driving motor 5, and driving motor 5 is located at one end of two-way grooved rail 9, is used to provide power, driving motor 5 can
To be located on the lateral wall of the two-way grooved rail 9 of 4 side of driving wheel, the drive shaft of driving motor 5 and the rotation axis of driving wheel 4 are passed
Dynamic connection, driving motor 5 can drive driving wheel 4 to be rotated, while control driving motor 5 for convenience, driving motor 5
It can choose the model with wireless control button in selection, also can choose the driving motor 5 with control route, control
Route processed extends to operator down can touch the height of operation, while controlling electric wire and cannot influence the normal of measuring mechanism
Operating.
Driving wheel 4, driving wheel 4 are located on the two-way grooved rail 9 of 5 one end of driving motor, band of the driving wheel 4 in driving motor 5
It is rotated under dynamic, the gear teeth compatible with chain unit is provided in active, chain 12 can be wound around in active.
Driven wheel 3, driven wheel 3 are located at the other end of two-way grooved rail 9, and driving wheel 4 and driven wheel 3 are rotated by bearing
Setting is also equipped with chain 12 on two-way grooved rail 9, while on driven wheel 3 can be with the gear teeth of winding.
As shown in Figure 3 and Figure 4, chain 12, chain 12 are located in the track groove of two-way grooved rail 9, and chain 12 is in two-way grooved rail
9 top track groove and lower track slot inner looping is circularly set, and chain 12 includes the chain below the grooved rail partition of integral structure
Chain 1202 above item 1201 and grooved rail partition, after the 1202 winding driving wheel 4 of chain and driven wheel 3 above grooved rail partition
Enter upper rail slot into lower railway slot, after the 1201 winding driving wheel 4 of chain and driven wheel 3 below grooved rail partition, grooved rail every
The chain 1201 below chain 1202 and grooved rail partition above plate is under the drive of driving wheel 4 and driven wheel 3 two-way
It does shuttling movement namely chain 12 in grooved rail 9 to enter in the track groove above grooved rail partition 901, subsequently into grooved rail partition
In the track groove of 901 lower sections, then driving wheel 4 and driven wheel 3 is arranged in the upper and lower ends of two-way grooved rail 9, and such chain 12 is first
It is moved in the track groove above grooved rail partition 901 under the drive of driving wheel 4, then runs to single grooved rail unit
End, at this moment chain 12 is wound around in rotary shaft 10, due to also being provided with the gear teeth compatible with chain 12 in rotary shaft 10,
Chain 12 can be wound around in rotary shaft 10, and chain 12 enters the grooved rail partition of adjacent next grooved rail unit at this time
In the track groove of 901 lower sections, and so on, chain 12 is until run at driven wheel 3, and chain 12 is again first in grooved rail partition
It is moved in the track groove of 901 tops, then passes around the grooved rail partition for carrying out an adjacent upper grooved rail unit after rotary shaft 10
It is moved in the track of 901 top, chain 12 is just capable of forming a complete shuttling movement in two-way grooved rail 9.
Measuring mechanism, measuring mechanism are located on fixed mechanism, and measuring mechanism is under the drive of driving mechanism in fixed mechanism
Upper movement, the measurement for 1 section part air quantity of tunnel, it is preferable that in the present embodiment, measuring mechanism includes: deck 14, such as Fig. 6
Shown, deck 14 is arranged on single chain Unit 12 of chain 12, and deck 14 is located in track groove, and the bottom of deck 14 can
Connecting hole is arranged, then chain Unit 12 by bolt or other connectors that can be fixedly connected using connecting hole with
Deck 14 links together, and is arranged on single chain Unit 12 due to deck 14, deck 14 will not affect that chain 12
Normal operation and rotation around rotary shaft 10 or driving wheel 4 and driven wheel 3.
As shown in figure 5, connecting rod 13, the bottom end of connecting rod 13 is connected on deck 14, and rail is stretched out on the top of connecting rod 13
Road slot, connecting rod 13 also can choose the connecting rod 13 that can be stretched with lockable mechanism, thus adjustable connecting rod
13 height, when two neighboring grooved rail unit after deployment apart from it is too small when, can also by adjusting the length of connecting rod 13 come
The adjustment for carrying out adaptability, so that the wind table 6 of 13 upper end of connecting rod be avoided to be in contact with the grooved rail unit of top.
Wind table 6, wind table 6 are connected to the top of connecting rod 13, for the measurement to the air quantity on 1 section of tunnel.
Measurement method includes the following steps: the installation of S1, fixed mechanism: fixed mechanism is mounted on to the section in tunnel 1
On；
The starting of S2, driving mechanism: starting driving motor 5, driving motor 5 drive measuring mechanism enterprising in fixed mechanism
Row operating.
S101, the grooved rail unit of two-way grooved rail 9 is unfolded.
S102, grooved rail unit is fixed on 1 inner wall of tunnel using link.
S103, upper connector 7 is connected on 1 top plate of tunnel, then lower connector 2 is connected to the most lower of two-way grooved rail 9
On the grooved rail unit of side.
S3, the measurement of air quantity: when specifically being measured, it is existing wind table 6 generally there are two types of type, it is a kind of
It is the mechanical wind table 6 of similar stopwatch, one is the wind tables 6 of electronic type, therefore the measurement of air quantity can use the following two kinds side
Method measures, method one: when wind table 6 is electronic type type, the track driven by the chain in two-way grooved rail of wind table 6
Shuttling movement is carried out in slot, wind table automatically records the air quantity data in motion profile, after measurement, on wind table 6
Air quantity data are directly read to get to the air quantity data in drift section.
Method two: when wind table 6 is mechanical type, wind table 6 is in the track groove driven by the chain in two-way grooved rail
Interior carry out shuttling movement, wind table 6 records the air quantity data in motion profile, after measurement, remembers further according to wind table 6
The average wind on drift section is calculated in the air quantity related data and the incidental calculation formula of wind table appearance specification of record
Speed.Wherein the motion profile of step S3 apoplexy table covers the S-shaped region or "the" shape region of entire 1 section of tunnel.In this way
The air quantity numerical value measured is just representative.
Specifically in the measurement of air quantity, two-way grooved rail 9 is fixed on the section in tunnel 1 by connection ring 11 first, so
Upper connector 7 and lower connector 2 are connected on 1 top plate of tunnel and the lowermost grooved rail unit again afterwards, then starting is driven
Dynamic motor 5, wind table 6 carry out shuttling movement on two-way grooved rail 9 under the drive of deck 14, record in the process of movement
Entire measuring device can conveniently be withdrawn, be will not influence after side face work by the air quantity of measurement point
Tunnel 1 normally passes through function.In conclusion the entire measurement process of this measuring device is not necessarily to manual intervention, avoid artificial
Operating error can be realized the measurement of disposable full drift section, layout more uniformly, test process continuously and smoothly can be covered
The all areas of lid drift section enable the precision of measurement result to be guaranteed, while the present apparatus has contractility,
Normal expansion is fixed when in use, and withdrawal more can also be quickly dismantled after measurement, will not influence tunnel
Normal operation and the function of passing through.
Further, after the present apparatus being rotated by 90 ° in drift section, then using the measurement method in the present invention
It is able to carry out the precise measurement of air quantity, this mode is the simple replacement that the present apparatus is carried out to position, therefore this mode
Also within the scope of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Mind and principle within, any modification, equivalent replacement, improvement and so on, accompanying claims protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of large section roadway air quantity device for accurately measuring, the measuring device are arranged on the section in tunnel, feature exists
In the measuring device includes:
Fixed mechanism, the fixed mechanism are located on the section in tunnel, and section is arranged in by connection ring in the fixed mechanism
In wall, fixed and supported for providing；
Driving mechanism, the driving mechanism is located on the fixed mechanism, for providing rotary power；
Measuring mechanism, the measuring mechanism are located on the fixed mechanism, drive of the measuring mechanism in the driving mechanism
Under moved on the fixed mechanism, the measurement for air quantity at drift section.
2. large section roadway air quantity device for accurately measuring as described in claim 1, which is characterized in that the fixed mechanism includes:
Two-way grooved rail, the two-way grooved rail are arranged in the wall of drift section by the connection ring, the two-way grooved rail
Detour is distributed on the section in tunnel, and the two-way grooved rail includes grooved rail partition and track groove, and the track groove includes being located at rail
The lower railway slot of upper rail slot and lower section above road partition；
Connection ring, the side of the connection ring are connected on the side wall of two-way grooved rail, and the other side of connection ring is connected to wall
On.
3. large section roadway air quantity device for accurately measuring as claimed in claim 2, which is characterized in that the driving mechanism includes:
Driving motor, the driving motor are located at one end of the two-way grooved rail, are used to provide power；
Driving wheel, the driving wheel are located on the two-way grooved rail of described driving motor one end, and the driving wheel is in driving electricity
It is rotated under the drive of machine；
Driven wheel, the driven wheel are located at the other end of the two-way grooved rail；
Chain, the chain are located in the track groove of the two-way grooved rail, upper rail slot and lower railway of the chain in two-way grooved rail
Slot inner looping is circularly set, and the chain includes the chain above chain and grooved rail partition below the grooved rail partition of integral structure
Item, enters lower railway slot after the chain winding driving wheel and driven wheel above the grooved rail partition, below the grooved rail partition
Enter upper rail slot, the chain below chain and grooved rail partition above grooved rail partition after chain winding driving wheel and driven wheel
Shuttling movement is done in two-way grooved rail under the drive of driving wheel and driven wheel.
4. large section roadway air quantity device for accurately measuring as claimed in claim 3, which is characterized in that the measuring mechanism includes:
Deck, the deck are arranged on the single chain unit of the chain, and the deck is located in track groove；
The bottom end of connecting rod, the connecting rod is connected on deck, and track groove is stretched out on the top of the connecting rod；
Wind table, the wind table are connected to the top of the connecting rod, for the measurement to the air quantity on drift section.
5. large section roadway air quantity device for accurately measuring as claimed in claim 2, which is characterized in that the fixed mechanism includes:
The two-way grooved rail includes multiple grooved rail units, the multiple grooved rail unit S-shaped distributions on section, two neighboring grooved rail list
Head and the tail between member are carried out hingedly by rotary shaft, and rotary shaft is located between the stem and tail portion of two neighboring grooved rail unit, institute
State chain winding above grooved rail partition on the rotary shaft.
6. large section roadway air quantity device for accurately measuring as claimed in claim 5, which is characterized in that the fixed mechanism also wraps
It includes:
Connector, the connector include upper connector and lower connector, and the upper connector is connected on the top plate in tunnel, institute
State the middle part that lower connector is connected to the grooved rail unit of bottom；
Halyard, the top and bottom of the halyard are connected on the upper connector and lower connector.
7. large section roadway air quantity device for accurately measuring as claimed in claim 5, which is characterized in that the grooved rail unit includes straight
Rail portion and bending track portion, the bending track portion are connected on the straight track portion, and the bending track portion is between two neighboring grooved rail unit
Junction, the connection ring is arranged on the inner sidewall in the bending track portion, and adjacent two of head and the tail are arranged in the rotary shaft
At the bending track portion of grooved rail unit.
8. large section roadway air quantity device for accurately measuring as claimed in claim 2, which is characterized in that the side of the connection ring is also
It is provided with hook, connection ring is fixed on tunnel by the hook.
9. a kind of air measuring method of the large section roadway air quantity device for accurately measuring as described in any one of claim 1~8,
It is characterized in that, the air measuring method includes the following steps:
The installation of S1, fixed mechanism: fixed mechanism is mounted on the section in tunnel；
The starting of S2, driving mechanism: starting driving motor, driving motor drive measuring mechanism to be operated on fixed mechanism；
S3, the measurement of air quantity: wind table is driven by the chain to carry out shuttling movement in the track groove of two-way grooved rail, and wind table will be transported
Air quantity related data in dynamic rail mark is recorded, after measurement, according to the related air quantity data in wind table carry out calculate or
Read the mean wind speed on drift section.
10. the air measuring method of large section roadway air quantity device for accurately measuring as claimed in claim 9, which is characterized in that institute
State specifically comprising the following steps: for step S1
S101, the grooved rail unit of two-way grooved rail is unfolded；
S102, grooved rail unit is fixed on the inner wall of tunnel using link；
S103, upper connector is connected on back, then lower connector is connected to the grooved rail of the bottom of two-way grooved rail
On unit；
Preferably, the motion profile of the step S3 apoplexy table covers the S-shaped region of entire drift section.
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| CN114109470A (en) * | 2021-11-18 | 2022-03-01 | 中国矿业大学 | Mine roadway air quantity accurate measurement system and method |
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