CN109915195A - A kind of safe and reliable tunnel ventilation device with vibration detection function - Google Patents
A kind of safe and reliable tunnel ventilation device with vibration detection function Download PDFInfo
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- CN109915195A CN109915195A CN201910130563.5A CN201910130563A CN109915195A CN 109915195 A CN109915195 A CN 109915195A CN 201910130563 A CN201910130563 A CN 201910130563A CN 109915195 A CN109915195 A CN 109915195A
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- 238000001514 detection method Methods 0.000 title claims abstract description 157
- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The present invention relates to a kind of safe and reliable tunnel ventilation devices with vibration detection function, including top plate, processor, shell, two link blocks and four installing mechanisms, motor is equipped in shell, shaft, detection axis, testing agency and several fan blades, installing mechanism includes screw, vertical bar, first protruding shaft, lantern ring, stripe board, fixed plate, riser, second protruding shaft, connecting rod, tensiometer and the first spring, testing agency includes detection plate and several detection components, the safe and reliable tunnel ventilation device with vibration detection function is monitored by Vibration Condition of the installing mechanism to top plate and shell, moreover, Vibration Condition when by testing agency to shaft high speed rotation detects, and it is transmitted in the remote control device of administrative staff by antenna, the operation conditions of blower is understood convenient for administrative staff, it is larger vibrating When, fan parking is controlled in time, is avoided loosening due to blower is excessive because vibrating, is guaranteed tunnel traffic safe operation.
Description
Technical field
The present invention relates to tunnel device field, in particular to a kind of safe and reliable tunnel with vibration detection function is logical
Wind apparatus.
Background technique
Tunnel blower is also tunnel jet blower, jet blower, is widely used in the reality in the tunnels such as highway, railway, subway
Border uses, and main function is to be aerated for tunnel, excludes the pernicious gas of tunnel internal, guarantees the air stream in tunnel
It is clear and coherent smooth.
In the process of running, the motor impeller of enclosure interior carries out high speed rotation to tunnel blower, due to blower weight
The heart is distributed and the factors such as installation question, and in impeller high-speed rotation, motor is easy to happen vibration, while wind inside housings
The shell of machine is also easy to produce vibration at the top in tunnel, and when Oscillation Amplitude is larger, blower is easy to drop from tunnel top, gives
The passage in tunnel brings various security risks, and vibration state when self-operating can not be detected due to existing tunnel blower, from
And existing tunnel blower practicability is caused to reduce.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of with vibration detection
The safe and reliable tunnel ventilation device of function.
The technical solution adopted by the present invention to solve the technical problems is: a kind of with the safe and reliable of vibration detection function
Tunnel ventilation device, including top plate, processor, shell, two link blocks and four installing mechanisms, four installing mechanisms difference
Positioned at the four corners of top plate, the processor is fixed on the lower section of top plate, and the processor is located between two link blocks, described
Be equipped with antenna and PLC in processor, the shell is fixed on the lower section of top plate by link block, in the shell equipped with motor,
Shaft, detection axis, testing agency and several fan blades, the motor is fixed inside the shell, and the motor is connect with rotating shaft transmission, institute
The periphery that fan blade is axially evenly distributed on shaft is stated, the detection axis is located at the other side of the separate shaft of motor, the motor
It is sequentially connected with detection axis, the testing agency is located at one end of the separate motor of detection axis, and the motor and antenna are and PLC
Electrical connection；
The installing mechanism include screw, vertical bar, the first protruding shaft, lantern ring, stripe board, fixed plate, riser, the second protruding shaft,
Connecting rod, tensiometer and the first spring, the screw are arranged on top plate, and first protruding shaft is fixed on top plate by vertical bar
Lower section, first protruding shaft is vertical with vertical bar, and the lantern ring is set in the first protruding shaft, and one end of the stripe board and lantern ring are solid
The other end of fixed connection, the stripe board is connect by the first spring with tensiometer, and the tensiometer passes through connecting rod and fixation
Plate is fixedly connected, and the riser is fixed on the lower section of fixed plate, and second protruding shaft is vertically fixed on riser, the stripe board
It is equipped with strip shape gob, the width of the strip shape gob is equal with the outer diameter of the second protruding shaft, and second protruding shaft is located at the interior of strip shape gob
Side, the tensiometer are electrically connected with PLC, and first spring is in tensional state；
The testing agency includes detection plate and several detection components, and one end of the separate motor of the detection axis is fixed on
The center point of detection plate, the detection components are circumferentially evenly distributed on the periphery of detection plate, and the detection components include fixing
The shape of frame and two detection units, the vertical cross-section of the fixed frame is U-shaped, and the periphery of the detection plate is located at fixed frame
In U-shaped opening, on the inner wall for the two sides that two detection units are located at fixed frame, the detection unit includes detection block,
Two springs, pressure sensor and two position-limiting units, the pressure sensor are fixed on the inner wall of fixed frame, the detection block
It is connect by second spring with pressure sensor, the detection block is resisted against in detection plate, and the second spring is in compression shape
State, two position-limiting units are located at the two sides of second spring.
Preferably, the installing mechanism further includes reinforcing bar, the both ends of the reinforcing bar in order to avoid connecting rod deformation
It is fixedly connected respectively with connecting rod with riser.
Preferably, lantern ring is detached from the first protruding shaft in order to prevent and stripe board is detached from the second protruding shaft, first protruding shaft
One end far from vertical bar is equipped with protrusive board, and one end of the separate riser of second protruding shaft is equipped with several nose bars.
Preferably, in order to guarantee detection accuracy, the maximum distance of the strip shape gob and the first protruding shaft be less than strip shape gob with
The distance of the one end of the first spring far from tensiometer.
Preferably, the side of the close detection plate of the detection block is equipped with notch, described in order to avoid detecting mill damage
Ball is equipped in notch, the notch matches with ball, and the centre of sphere of the ball is located in notch, and the ball is resisted against inspection
It surveys on disk.
Preferably, in order to limit the movement of detection block, the gag lever post includes limited block and gag lever post, the limited block
It is fixedly connected by gag lever post with detection block, the limited block is located at the side of the separate detection block of pressure sensor, the limit
Position bar passes through fixed frame.
Preferably, the detection plate is equipped with several ventilation openings in order to facilitate divulging information, the ventilation opening is circumferential uniformly to be divided
For cloth in detection plate, the maximum distance of the axis of the ventilation opening and detection plate is less than the minimum of the axis of detection block and detection plate
Distance.
Preferably, the both ends of the shell are equipped with strainer in order to avoid the sundries in air enters interior of shell.
Preferably, in order to improve detection accuracy, the length of the detection axis is greater than the length of shaft.
Preferably, lantern ring and stripe board rotate for convenience, the periphery of first protruding shaft and the second protruding shaft is coated with
Lubricating oil.
The invention has the advantages that there is the safe and reliable tunnel ventilation device of vibration detection function to pass through installation for this
Mechanism is monitored the Vibration Condition of top plate and shell, moreover, vibration when by testing agency to shaft high speed rotation
Emotionally condition is detected, and is transmitted in the remote control device of administrative staff by antenna, and the fortune of blower is understood convenient for administrative staff
Row situation controls fan parking when vibrating larger in time, avoids loosening due to blower is excessive because vibrating, guarantees tunnel traffic peace
Row for the national games.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the safe and reliable tunnel ventilation device with vibration detection function of the invention；
Fig. 2 is the side view of the safe and reliable tunnel ventilation device with vibration detection function of the invention；
Fig. 3 is the structure of the detection components of the safe and reliable tunnel ventilation device with vibration detection function of the invention
Schematic diagram；
Fig. 4 is the portion the A enlarged drawing of Fig. 1；
In figure: 1. top plates, 2. processors, 3. shells, 4. link blocks, 5. motors, 6. shafts, 7. detection axises, 8. fan blades, 9.
Screw, 10. vertical bars, 11. first protruding shafts, 12. lantern rings, 13. stripe boards, 14. fixed plates, 15. risers, 16. second protruding shafts, 17.
Connecting rod, 18. tensiometers, 19. detection plates, 20. fixed frames, 21. detection blocks, 22. second springs, 23. pressure sensors, 24.
Reinforcing bar, 25. protrusive boards, 26. nose bars, 27. balls, 28. limited blocks, 29. gag lever posts, 30. strainers, 31. first springs.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs. 1-2, a kind of safe and reliable tunnel ventilation device with vibration detection function, including top plate 1, place
Device 2,3, two link blocks 4 of shell and four installing mechanisms are managed, four installing mechanisms are located at the four corners of top plate 1, described
Processor 2 is fixed on the lower section of top plate 1, and the processor 2 is located between two link blocks 4, is equipped with antenna in the processor 2
And PLC, the shell 3 are fixed on the lower section of top plate 1 by link block 4, are equipped with motor 5, shaft 6, detection axis in the shell 3
7, testing agency and several fan blades 8, the motor 5 are fixed in shell 3, and the motor 5 is sequentially connected with shaft 6, the wind
The axial periphery for being evenly distributed on shaft 6 of leaf 8, the detection axis 7 are located at the other side of the separate shaft 6 of motor 5, the motor
5 are sequentially connected with detection axis 7, and the testing agency is located at one end of the separate motor 5 of detection axis 7, and the motor 5 and antenna are equal
It is electrically connected with PLC；
In the tunnel ventilation device, the Corner Strapped of top plate 1 is mounted on the top in tunnel by four installing mechanisms,
To realize the fixed installation of top plate 1, since shell 3 is fixedly connected by link block 4 with top plate 1, to secure shell 3
Position, administrative staff can by the remote control devices such as mobile phone, computer to equipment send wireless signal, by the antenna in processor 2
After receiving signal, signal is passed into PLC, PLC can control the motor 5 in shell 3 to start, drive shaft 6 to rotate, so that fan blade
8 keep high-speed rotating state, generate air-flow, so that the air of tunnel internal is discharged, realize ventilation function, motor 5 is in band
During turn axis 6 rotates, the side of the separate shaft 6 of motor 5, detection axis 7 keeps synchronous rotation with shaft 6, passes through
The Vibration Condition of the rotation of detection axis 7 detects in testing agency, to detect the operational shock situation of shaft 6, works as vibration
When being worth higher, PLC sends danger signal to the remote control device of administrative staff by antenna, controls blower in time convenient for administrative staff
It is out of service, it avoids the excessive loosening for causing blower of vibration values and drops, to guarantee that fan safe is reliably run.
As shown in figure 4, the installing mechanism includes screw 9, vertical bar 10, the first protruding shaft 11, lantern ring 12, stripe board 13, consolidates
Fixed board 14, riser 15, the second protruding shaft 16, connecting rod 17, tensiometer 18 and the first spring 31, the screw 9 are arranged in top plate 1
On, first protruding shaft 11 is fixed on the lower section of top plate 1 by vertical bar 10, and first protruding shaft 11 is vertical with vertical bar 10, described
Lantern ring 12 is set in the first protruding shaft 11, and one end of the stripe board 13 is fixedly connected with lantern ring 12, the stripe board 13 it is another
One end is connect by the first spring 31 with tensiometer 18, and the tensiometer 18 is fixedly connected by connecting rod 17 with fixed plate 14,
The riser 15 is fixed on the lower section of fixed plate 14, and second protruding shaft 16 is vertically fixed on riser 15, the stripe board 13
It is equipped with strip shape gob, the width of the strip shape gob is equal with the outer diameter of the second protruding shaft 16, and second protruding shaft 16 is located at strip shape gob
Inside, the tensiometer 18 is electrically connected with PLC, and first spring 31 is in tensional state；
When carrying out the installation of top plate 1, the top in tunnel is punched, and the rotation of screw 9 is squeezed into hole, top can be completed
The fixed installation of plate 1 also completes fixed plate 14 to be fixedly mounted on tunnel for the vibration state of shell 3 when detection blower fan operation
Top in road drives top plate 1 to vibrate after fan operation shell 3 generates vibration by link block 4, so that vertical bar 10 drives
The rotation of first protruding shaft 11, the first protruding shaft 11 drive lantern ring 12 to vibrate, and lantern ring 12 vibrates, so that the upper-lower height position of lantern ring 12 is sent out
Changing, so drive stripe board 13 one end connect with lantern ring 12 up and down shake, due to be fixed on riser 15 second
Protruding shaft 16 is located in the strip shape gob of stripe board 13, so that about 13 stripe board is shaken, changes the length of the first spring 31, to make
It obtains the pulling force data that tensiometer 18 detects and generates variation, pulling force data is passed to PLC by tensiometer 18, and PLC is according to pulling force number
It according to the variation for the deformation quantity for determining the first spring 31, and then determines the Vibration Condition of stripe board 13, passes through the vibration of stripe board 13
Determine the Vibration Condition of shell 3, thus when detection blower fan is run shell 3 vibration, convenient for when shell 3 vibrates larger, management
Personnel shut down in time, prevent from vibrating the excessive loose or dislocation for causing blower.
As Figure 2-3, the testing agency includes detection plate 19 and several detection components, the detection axis 7 it is separate
One end of motor 5 is fixed on the center point of detection plate 19, and the detection components are circumferentially evenly distributed on the periphery of detection plate 19,
The detection components include fixed frame 20 and two detection units, and the shape of the vertical cross-section of the fixed frame 20 is U-shaped, described
The periphery of detection plate 19 is located in the U-shaped opening of fixed frame 20, and two detection units are located at the interior of the two sides of fixed frame 20
On wall, the detection unit includes detection block 21, second spring 22, pressure sensor 23 and two position-limiting units, the pressure
Sensor 23 is fixed on the inner wall of fixed frame 20, and the detection block 21 is connect by second spring 22 with pressure sensor 23,
The detection block 21 is resisted against in detection plate 19, and the second spring 22 is in compressive state, and two position-limiting units are located at
The two sides of second spring 22.
When motor 5 is run, drives detection plate 19 to rotate by detection axis 7, utilize the detection group of 19 periphery of detection plate everywhere
Part detects the Vibration Condition of all angles position of detection plate 19, and in detection components, the U-shaped opening of fixed frame 20 is directed toward
Detection plate 19 pushes detection block 21 by second spring 22 compressed in two detection units, so that detection block 21 is resisted against
In detection plate 19, the pressure of second spring 22 is detected using pressure sensor 23, and pressure data is passed into PLC, passes through ratio
To the size of each pressure data, so that it is determined that the rotation situation of detection plate 19, and then to the rotation feelings of detection axis 7 and shaft 6
Condition is detected, and administrative staff is facilitated to understand the vibration state of shaft 6 in time, is avoided vibrating and excessive is caused the vibrated of blower
Greatly.
Preferably, the installing mechanism further includes reinforcing bar 24, the reinforcing bar 24 in order to avoid the deformation of connecting rod 17
Both ends be fixedly connected respectively with connecting rod 17 with riser 15.One is formed surely by reinforcing bar 24, connecting rod 17 and riser 15
Solid triangle, thus to connecting rod 17 carry out Auxiliary support, avoid connecting rod 17 deform.
Preferably, lantern ring 12 is detached from the first protruding shaft 11 and stripe board 13 and is detached from the second protruding shaft 16 in order to prevent, described the
One end of the separate vertical bar 10 of one protruding shaft 11 is equipped with protrusive board 25, and one end of the separate riser 15 of second protruding shaft 16 is equipped with several
Nose bar 26.Due to lantern ring 12 can not by protrusive board 25, so that lantern ring 12 can not be detached from the first protruding shaft 11, similarly, strip shape gob also without
Method avoids stripe board 13 and is detached from the second protruding shaft 16 by nose bar 26.
Preferably, the maximum distance of the strip shape gob and the first protruding shaft 11 is less than strip shape gob in order to guarantee detection accuracy
At a distance from first one end of spring 31 far from tensiometer 18.Stripe board 13 is in upper and lower dither process, with the second protruding shaft 16
Fulcrum, both ends rotation, by guaranteeing that the maximum distance of strip shape gob and the first protruding shaft 11 is less than strip shape gob and the first spring 31 is separate
The distance of one end of tensiometer 18, it is ensured that the jitter amplitude of one end far from the first protruding shaft 11 of directional plate, and then expand
The tensile elongation of spring, convenient for improving vibration detection precision.
Preferably, the side of the close detection plate 19 of the detection block 21, which is equipped with, to be lacked in order to avoid the abrasion of detection plate 19
Mouthful, ball 27 is equipped in the notch, the notch matches with ball 27, and the centre of sphere of the ball 27 is located in notch, institute
Ball 27 is stated to be resisted against in detection plate 19.In 19 rotation process of detection plate, the ball 27 in 21 notch of detection block is in detection plate 19
Upper rolling, reduces the friction of detection plate, so that detection plate 19 be avoided to wear.
Preferably, in order to limit the movement of detection block 21, the gag lever post 29 includes limited block 28 and gag lever post 29, institute
It states limited block 28 to be fixedly connected by gag lever post 29 with detection block 21, the limited block 28 is located at the separate inspection of pressure sensor 23
The side of block 21 is surveyed, the gag lever post 29 passes through fixed frame 20.The vibration of detection plate 19 is acted in detection block 21 by ball 27,
When so that the deformation quantity of second spring 22 changing, it ensure that the moving direction of detection block 21 by gag lever post 29, utilize limit
Position block 28 avoids gag lever post 29 from being detached from fixed frame 20.
Preferably, divulging information for convenience, the detection plate 19 is equipped with several ventilation openings, and the ventilation opening is circumferentially uniform
It is distributed in detection plate 19, the maximum distance of the axis of the ventilation opening and detection plate 19 is less than detection block 21 and detection plate 19
The minimum range of axis.Facilitate the circulation of the air of the two sides of detection plate 19 by setting ventilation opening.
Preferably, the both ends of the shell 3 are equipped with strainer in order to avoid the sundries in air enters inside shell 3
30.It avoids external impurity from entering in shell 3 by strainer 30, the damage of fan blade 8 is caused with 8 contact wear of fan blade.
Preferably, in order to improve detection accuracy, the length of the detection axis 7 is greater than the length of shaft 6.It is examined by expanding
The length of axis 7 is surveyed, so that the Oscillation Amplitude of one end of the separate motor 5 of detection axis 7 is expanded, convenient for improving detection accuracy.
Preferably, lantern ring 12 and the rotation of stripe board 13 for convenience, first protruding shaft 11 and the second protruding shaft 16 is outer
Zhou Jun is coated with lubricating oil.Friction between lantern ring 12 and the first protruding shaft 11 and strip shape gob and the second protruding shaft are reduced by lubricating oil
Friction between 16, to facilitate the rotation of casing and stripe board 13.
Blower at runtime, by the shake up and down of the stripe board 13 in installing mechanism, drives the stretching of the first spring 31
Length changes, and is changed by the stretching that tensiometer 18 detects the first spring 31, so that it is determined that the vibration of top plate 1 and shell 3
Situation, meanwhile, in shell 3, by each detection components to vibration detection is carried out everywhere in detection plate 19, utilize the of compression
Two springs 22 generate pressure to pressure sensor 23, the Vibration Condition of detection plate 19 are determined by each pressure data, thus really
Determine Vibration Condition when detection axis 7 and the rotation of shaft 6, and vibration data is passed into PLC, vibration data is passed through antenna by PLC
It is transmitted in the remote control device of administrative staff, the Vibration Condition of blower is understood convenient for administrative staff, when vibrating larger, control wind
Machine is shut down, and is avoided generating loosening due to blower is excessive because vibrating, is guaranteed tunnel traffic safe operation.
Compared with prior art, there is the safe and reliable tunnel ventilation device of vibration detection function to pass through installing mechanism for this
The Vibration Condition of top plate 1 and shell 3 is monitored, moreover, vibration when by testing agency to 6 high speed rotation of shaft
Situation is detected, and is transmitted in the remote control device of administrative staff by antenna, and the operation of blower is understood convenient for administrative staff
Situation controls fan parking when vibrating larger in time, avoids loosening due to blower is excessive because vibrating, guarantees tunnel traffic safety
Operation.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of safe and reliable tunnel ventilation device with vibration detection function, which is characterized in that including top plate (1), place
Reason device (2), shell (3), two link blocks (4) and four installing mechanisms, four installing mechanisms are located at the quadrangle of top plate (1)
Place, the processor (2) are fixed on the lower section of top plate (1), and the processor (2) is located between two link blocks (4), the place
It manages and is equipped with antenna and PLC in device (2), the shell (3) is fixed on the lower section of top plate (1), the shell by link block (4)
(3) motor (5), shaft (6), detection axis (7), testing agency and several fan blades (8) are equipped in, the motor (5) is fixed on outer
In shell (3), the motor (5) and shaft (6) are sequentially connected, and the fan blade (8) is axially evenly distributed on the periphery of shaft (6),
The detection axis (7) is located at the other side of the separate shaft (6) of motor (5), and the motor (5) and detection axis (7) are sequentially connected,
The testing agency is located at one end of the separate motor (5) of detection axis (7), and the motor (5) and antenna are electrically connected with PLC；
The installing mechanism includes screw (9), vertical bar (10), the first protruding shaft (11), lantern ring (12), stripe board (13), fixed plate
(14), riser (15), the second protruding shaft (16), connecting rod (17), tensiometer (18) and the first spring (31), the screw (9) set
It sets on top plate (1), first protruding shaft (11) is fixed on the lower section of top plate (1), first protruding shaft by vertical bar (10)
(11) vertical with vertical bar (10), the lantern ring (12) is set on the first protruding shaft (11), one end of the stripe board (13) and set
Ring (12) is fixedly connected, and the other end of the stripe board (13) is connect by the first spring (31) with tensiometer (18), the drawing
Power meter (18) is fixedly connected by connecting rod (17) with fixed plate (14), and the riser (15) is fixed under fixed plate (14)
Side, second protruding shaft (16) are vertically fixed on riser (15), and the stripe board (13) is equipped with strip shape gob, the strip shape gob
Width it is equal with the outer diameter of the second protruding shaft (16), second protruding shaft (16) is located at the inside of strip shape gob, the tensiometer
(18) it is electrically connected with PLC, first spring (31) is in tensional state；
The testing agency includes detection plate (19) and several detection components, one end of the separate motor (5) of the detection axis (7)
It is fixed on the center point of detection plate (19), the detection components are circumferentially evenly distributed on the periphery of detection plate (19), the inspection
Surveying component includes fixed frame (20) and two detection units, and the shape of the vertical cross-section of the fixed frame (20) is U-shaped, the inspection
The periphery for surveying disk (19) is located in the U-shaped opening of fixed frame (20), and two detection units are located at the two sides of fixed frame (20)
Inner wall on, the detection unit includes that detection block (21), second spring (22), pressure sensor (23) and two limits are single
Member, the pressure sensor (23) are fixed on the inner wall of fixed frame (20), and the detection block (21) passes through second spring (22)
It is connect with pressure sensor (23), the detection block (21) is resisted against on detection plate (19), and the second spring (22) is in pressure
Contracting state, two position-limiting units are located at the two sides of second spring (22).
2. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
Stating installing mechanism further includes reinforcing bar (24), and the both ends of the reinforcing bar (24) are fixed with connecting rod (17) and riser (15) respectively
Connection.
3. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
The one end for stating the separate vertical bar (10) of the first protruding shaft (11) is equipped with protrusive board (25), the separate riser (15) of second protruding shaft (16)
One end be equipped with several nose bars (26).
4. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
The maximum distance for stating strip shape gob and the first protruding shaft (11) is less than the one end of strip shape gob and the first spring (31) far from tensiometer (18)
Distance.
5. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
The side for stating the close detection plate (19) of detection block (21) is equipped with notch, is equipped with ball (27) in the notch, the notch with
Ball (27) matches, and the centre of sphere of the ball (27) is located in notch, and the ball (27) is resisted against on detection plate (19).
6. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
Stating gag lever post (29) includes limited block (28) and gag lever post (29), and the limited block (28) passes through gag lever post (29) and detection block
(21) it is fixedly connected, the limited block (28) is located at the side of the separate detection block (21) of pressure sensor (23), the limit
Bar (29) passes through fixed frame (20).
7. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
Detection plate (19) are stated equipped with several ventilation openings, the ventilation opening is circumferentially evenly distributed on detection plate (19), the ventilation opening
It is less than the minimum range of the axis of detection block (21) and detection plate (19) with the maximum distance of the axis of detection plate (19).
8. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
The both ends for stating shell (3) are equipped with strainer (30).
9. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that institute
The length for stating detection axis (7) is greater than the length of shaft (6).
10. as described in claim 1 with the safe and reliable tunnel ventilation device of vibration detection function, which is characterized in that
The periphery of first protruding shaft (11) and the second protruding shaft (16) is coated with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130563.5A CN109915195B (en) | 2019-02-21 | 2019-02-21 | Safe and reliable tunnel ventilation device with vibration detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130563.5A CN109915195B (en) | 2019-02-21 | 2019-02-21 | Safe and reliable tunnel ventilation device with vibration detection function |
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| Publication Number | Publication Date |
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| CN109915195A true CN109915195A (en) | 2019-06-21 |
| CN109915195B CN109915195B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910130563.5A Active CN109915195B (en) | 2019-02-21 | 2019-02-21 | Safe and reliable tunnel ventilation device with vibration detection function |
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| CN109915195B (en) | 2020-09-29 |
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