CN110985413A - Ventilation equipment convenient to adjust for tunnel construction - Google Patents
Ventilation equipment convenient to adjust for tunnel construction Download PDFInfo
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- CN110985413A CN110985413A CN201911170046.7A CN201911170046A CN110985413A CN 110985413 A CN110985413 A CN 110985413A CN 201911170046 A CN201911170046 A CN 201911170046A CN 110985413 A CN110985413 A CN 110985413A
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- fixed
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- opening
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- 238000009423 ventilation Methods 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 15
- 230000001360 synchronised effect Effects 0.000 description 23
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The invention discloses ventilation equipment convenient to adjust for tunnel construction, which comprises a bearing plate, wherein the upper end of the bearing plate is detachably connected with a sleeve, four first notches are arranged on the side wall of the circumference in the sleeve at equal intervals, first moving plates are arranged on the four first notches, two fixing frames are jointly fixed between the four first moving plates, and a power mechanism is arranged on one side of one fixing frame. The tunnel ventilation device has the advantages that the mechanical structure is adopted, so that the application of electric elements is reduced, the possibility that the equipment cannot normally operate due to the damage of the electric elements is reduced, the whole body is firmer and more reliable, the tunnel ventilation device can be well adapted to different severe environments, the normal operation of the tunnel ventilation device can be ensured, the ventilation to the inside of the tunnel is convenient and stable, the fixing support fixed by welding in the prior art is changed into an adjustable support, the sleeve can be conveniently installed and disassembled by workers, the working efficiency of installation and disassembly is improved, and the whole body is convenient to carry and convey.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to ventilation equipment convenient to adjust for tunnel construction.
Background
Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel.
The structure of the tunnel comprises two parts, namely a main building and accessory equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.
In the tunnel construction process, use the tunnel fan to ventilate usually in order to guarantee the circulation of the inside air in tunnel to help guaranteeing constructor's safety and construction progress.
The tunnel fan is also called tunnel jet fan, tunnel fan and jet fan, and is widely applied to the actual use of tunnels such as water conservancy dam engineering, highways, railways, subways and the like
The inside electrical elements of current tunnel fan is more, generally still need external large-scale switch board to install controlgear, reach the purpose that the staff of being convenient for controlled, and tunnel all ring edge borders is generally comparatively abominable, influence the part in the equipment easily, influence the life of equipment, and current tunnel fan generally has the bottom fixed weld of casing to have the mount pad and then installs on the fixed bolster, its support generally forms for the I-shaped steel welding, inconvenient regulation, be unfavorable for quick dismantlement installation fan, also inconvenient transport is carried.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides ventilation equipment convenient to adjust for tunnel construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
a ventilation device convenient to adjust for tunnel construction comprises a bearing plate, wherein a sleeve is detachably connected to the upper end of the bearing plate, four first openings are formed in the side wall of the periphery in the sleeve at equal intervals, first movable plates are installed at the four first openings, two fixing frames are jointly fixed between the four first movable plates, a power mechanism is arranged on one side of one fixing frame, a fixing member is arranged on the power mechanism and connected with one first movable plate, a connecting shaft is jointly and rotatably connected between the other fixing frame and the fixing member, fan blades are fixedly sleeved on the connecting shaft, a second opening is formed in the fixing member, a vertical plate is arranged in the second opening, a first spring and a second spring are respectively fixed to two ends of the vertical plate, one end of each first spring and one end of each second spring are respectively fixed to the top and the bottom in the second opening, the utility model discloses a take-up pulley, including riser, adjusting mechanism, second tapered block, power unit, synchronous pulley, mounting, tensioning mechanism, take-up pulley, tensioning mechanism, hold-in range cover, riser, adjusting mechanism and connecting axle, the both sides of riser all are equipped with the second opening, the relative lateral wall in the second opening is located two second openings respectively, be equipped with adjustment mechanism on the riser, the last second tapered block that is equipped with of adjustment mechanism, second tapered block and power unit are connected, all fixed the cover is equipped with the synchronous pulley on adjustment mechanism and the connecting axle, connects through synchronous belt drive between two synchronous pulleys.
Preferably, the power mechanism comprises an installation frame fixed on one side of one of the fixed frames, a driving motor is installed on the installation frame, a support is fixed on one of the first movable plates, a rotating shaft is sleeved on the support in a rotating mode, one end of the rotating shaft is connected to one side of the fixed part in a rotating mode, a first conical block is fixedly sleeved on the rotating shaft and is in contact with the second conical block, and one end of an output shaft of the driving motor is fixed to the other end of the rotating shaft.
Preferably, the adjusting mechanism comprises a fixing plate fixed at the lower end of the vertical plate, an electric telescopic rod is fixed on one side of the fixing plate, a second connecting plate is fixed at one end of the electric telescopic rod, a fixing shaft is fixed at one end of the second connecting plate, one of the synchronizing wheels and the vertical plate are sleeved on the fixing shaft, limiting plates are fixed on opposite side walls in one of the synchronizing wheels, limiting grooves are formed in two sides of the fixing shaft, the two limiting plates are located in the two limiting grooves respectively, a sleeve is sleeved on the fixing shaft, one end of the sleeve is fixed on one side of the vertical plate, the other end of the sleeve is rotatably connected to one side of the one synchronizing wheel, and one side of the second conical block is fixed at one end.
Preferably, the tensioning mechanism comprises a U-shaped rod fixed on one side of the upper end of the fixing member, a third spring and a first connecting plate are sleeved on the U-shaped rod, two ends of the third spring are respectively fixed on one side of the first connecting plate and one side wall in the U-shaped rod, a second moving plate is fixed at the lower end of the first connecting plate, a guide rail is sleeved on one end of the second moving plate, one side of the guide rail is fixed on one side of the upper end of the fixing member, and the tensioning wheel is rotatably connected to one side of the second moving plate.
Preferably, the upper end of loading board is fixed with bears the frame, bear the roof of all conflicting in the top four corners in the frame, the upper end both sides of roof all are fixed with the inserted bar, bear the top in the frame and be equipped with eight respectively with the corresponding slot of eight inserted bars, eight inserted bars are located eight slots respectively, roof, bear and run through jointly on the sleeve and be equipped with the fourth bolt, the upper end spiral shell of fourth bolt has been closed the second nut, the lower extreme of second nut is contradicted in telescopic upper end one side.
Preferably, the lower end of the loading plate is provided with a bottom plate, two mounting plates are fixed on opposite sides of the loading plate and the bottom plate, one side of each mounting plate is provided with a mounting groove, mounting blocks are fixed in the mounting grooves, the two sides of the lower end of the loading plate and one side of the two mounting blocks positioned at the upper end are both rotationally connected with a first rotating rod, the two first rotating rods on the same side are staggered and rotationally connected with each other, the two first rotating rods on the same side are both rotationally connected with a second rotating rod, the two second rotating rods on the same side are staggered and rotationally connected with each other, the two second rotating rods on the same side are rotationally connected with each other, the four second rotating rods and the four first rotating rods are rotationally connected with each other, the two first rotating rods which are parallel to each other are a group, and the two second rotating rods which are parallel to, first connecting pieces are fixed on the two second rotating rods and the two first rotating rods, and oil cylinders are connected between the two first connecting pieces in a rotating mode.
Preferably, be equipped with first opening on the one end lateral wall in the mounting groove, one side of installation piece is rotated and is connected with the connecting rod, the connecting rod is located first opening, and the one end of two connecting rods with one side all is fixed with the gear, and two gears with one side rotate jointly and are connected with the U template, and two gears mesh mutually, one side of U template is equipped with positioning mechanism, a gear on positioning mechanism and the U template is corresponding.
Preferably, positioning mechanism is including fixing the baffle in U template one side, be equipped with the third opening on the baffle, install the moving member in the third opening, the both sides at the moving member are established respectively to relative lateral wall in the third opening, the cover is equipped with the screw rod on the moving member, the cover is equipped with two first nuts on the screw rod, and two first nuts are located the both sides of moving member, the upper end of screw rod is fixed with the montant, first bolt has been cup jointed to the screw thread on the montant, one side of U template is equipped with the arc opening, and equidistant a plurality of through-holes that are equipped with on one of them gear, through-hole and arc opening are corresponding, the one end of first bolt extends to in one of them through.
Preferably, two screens are arranged in the sleeve, a peripheral side wall of one screen is abutted to a peripheral side wall in the sleeve, a peripheral side wall of the other screen is abutted to one side of the four first moving plates, and the two screens are detachably connected with the sleeve and the four first moving plates through four second bolts.
Preferably, four ends of one of the fixed frames are all provided with a third bolt in a penetrating manner, four third bolts respectively penetrate four first moving plates, a threaded blind hole is formed in the side wall of one end in the first notch, one end of each of the four third bolts respectively penetrates and extends into the four threaded blind holes, and two lantern rings are jointly fixed on one side of each of the four first moving plates.
The invention has the beneficial effects that:
1. the stability of the four first moving plates can be preliminarily ensured by connecting and fixing the two fixing frames and the four first moving plates which are respectively positioned in the four first openings, the four first moving plates can be well ensured to stably and synchronously move by the limitation of the openings and the connection and fixing of the fixing frames, the bracket and the fixing piece are positioned on the same first moving plate, the stability of a ventilation component in the sleeve can be favorably ensured, the ventilation component can stably and synchronously move along with the first moving plate, the ventilation component can be conveniently moved out of the sleeve or pushed into the sleeve, when one side of the moving plate is abutted against the side wall at one end in the opening, the ventilation component cannot be continuously moved and is installed in place, the two lantern rings can further enable the four first moving plates to form a whole, the moving stability can be further ensured, under the action of a third bolt, the four first moving plates and the sleeve can be assembled and disassembled conveniently, firmness in connection can be guaranteed, the four first moving plates and the sleeve can be disassembled quickly, the moving plates can move stably, after the moving plates drive the ventilation part to move out of the sleeve, the ventilation part can be maintained conveniently, normal operation of equipment can be guaranteed, the two screens can well filter air, the ventilation part in the sleeve is protected while ventilation quality is improved, the second bolt is rotated, the screen is convenient to install and disassemble, the screen is convenient to fix or clean and replace, filtering quality is guaranteed, air quality in the tunnel is improved, tunnel constructors are guaranteed, normal construction of the internal energy of the tunnel is guaranteed, and construction safety is improved;
2. the driving motor can drive the first conical block to rotate through the rotating shaft, the support and the fixing piece can ensure the rotating stability of the rotating shaft and the first conical block, the electric telescopic rod can drive the fixing shaft to move through the second connecting plate, the vertical plate can drive the fixing shaft to lift under the action of the first spring and the second spring, so that the second conical block is always firmly abutted against the first conical block, the transmission stability is ensured, the first conical block rotates by taking the rotating shaft as the center, the time spent by rotating any point on the first conical block for a circle is the same, the rotating length of the first conical block is different along with the change of the section diameter of the first conical block, the moving length of the corresponding point of the second conical block and the corresponding point of the first conical block is the same, when the second conical block is abutted against different positions of the first conical block, the rotating speed of the second conical block is changed, and the lifting stability of the vertical plate can be, the limiting plate can move in the limiting groove, the moving stability of the fixed shaft can be well ensured through the two limiting plates, one side of each limiting plate is abutted against one end side wall in the limiting groove to drive the fixed shaft to rotate, so that the second conical block can drive the fixed shaft and one of the synchronous wheels to rotate under the driving of the first conical block, the third spring can adapt to the magnitude of external force and drive the first connecting plate to move, the guide rail and the first connecting plate can ensure the moving stability of the second moving plate, the second moving plate can drive the tensioning wheel to be abutted against the synchronous belt, the synchronous belt is always in a tensioning state, the two synchronous wheels can conveniently rotate synchronously, the fixing piece and one of the fixing frames can enable the connecting shaft and the fan blades to rotate stably, the electric telescopic rod can adjust the abutting position of the second conical block and the first conical block, and can adjust the rotating speed of the second conical block, the purpose of adjusting the rotating speed of the fan blades is achieved through stable transmission of the synchronous wheel and the synchronous belt, the size of wind power is adjusted, air enters from one end, away from the fan blades, of the sleeve, air exits from one end, close to the fan blades, of the sleeve, the wind power can be adjusted and controlled under the condition that the output power of the driving motor is unchanged, the use of electrical elements can be effectively reduced, the size of the wind power can be adjusted through cooperation of a mechanical mechanism, the practicability of equipment can be effectively improved, different severe environments can be better adapted, stable ventilation to the inside of the tunnel can be guaranteed, the air in the tunnel can flow conveniently, and the air quality in the tunnel is improved;
3. through the matching of the plurality of fourth bolts and the plurality of second nuts, the sleeve can be firmly abutted with the bearing frame, the relative position of the sleeve and the bearing frame is fixed, the inserted rod is inserted into the position of the fixed top plate in the slot well, the random rotation of the inserted rod is avoided, the abrasion is favorably slowed down, the stability of the fourth bolt can be further ensured, the shaking of the fourth bolt is avoided, the abrasion of the bolt is avoided, the firmness degree of the installation and connection is further improved, and the bearing frame is fixed on the bearing plate, so that the sleeve and the bearing plate form a whole through the bearing frame, the height of the sleeve can be adjusted through adjusting the height of the bearing plate, different tunnel heights can be conveniently adapted, the sleeve can be conveniently and quickly placed on the bearing frame to complete the;
4. the angle between the first rotating rod and the second rotating rod can be well adjusted through the expansion and contraction of the oil cylinder, the mounting block moves in the mounting groove, the angle between the first rotating rod and the second rotating rod can be conveniently changed, the stability of the change can be ensured, the oil cylinder contracts, the angle between the first rotating rod and the second rotating rod is reduced, the distance between the bearing plate and the bottom plate is shortened, the oil cylinder extends, the angle between the first rotating rod and the second rotating rod is increased, the distance between the bearing plate and the bottom plate is increased, the expansion and contraction of the oil cylinder can be conveniently controlled according to the situation, the height of the sleeve can be adjusted, when the distance between the bearing plate and the bottom plate is changed, the angle between the two connecting rods is changed, the two first nuts on the same screw rod are rotated, the screw rod is convenient to lift, the screw rod drives the vertical rod to move, and, the first bolt corresponds to one through hole in the arc-shaped opening, the screw rod is adjusted to be in a vertical state, and then the two first nuts are rotated to firmly abut against two sides of the moving part, so that the screw rod cannot lift and move, the gear can be fixed, the connecting rod is fixed, the purpose of auxiliary support of the bearing plate is achieved, the stability of the sleeve is further ensured, the problem that the mounting bracket cannot be adjusted by welding in the past is solved, workers can conveniently and quickly mount the sleeve on the bearing plate, the bearing plate is convenient to descend, the workers can conveniently carry and convey the whole equipment, and the work efficiency is improved;
in conclusion, the mechanical structure is adopted, so that the application of the electrical elements is reduced, the possibility that the equipment cannot normally operate due to the damage of the electrical elements is reduced, the whole structure is firmer and more reliable, the device can be well adapted to different severe environments, the normal operation of the device is ensured, the ventilation to the tunnel is convenient and stable, the fixing support fixed by welding in the prior art is changed into an adjustable type, the sleeve can be conveniently installed and disassembled by workers, the working efficiency of installation and disassembly is improved, the whole carrying and conveying are convenient, and the working efficiency is improved.
Drawings
Fig. 1 is a side view of an adjustable ventilation apparatus for tunnel construction according to the present invention;
FIG. 2 is a schematic structural view of a U-shaped plate of an adjustable ventilation device for tunnel construction according to the present invention;
FIG. 3 is a schematic view of the internal structure of a sleeve of an adjustable ventilation device for tunnel construction according to the present invention;
FIG. 4 is a schematic view of a fixing member of an adjustable ventilation apparatus for tunnel construction according to the present invention;
FIG. 5 is an enlarged view of a portion A of the ventilation apparatus for tunnel construction, which is provided by the present invention and is easy to adjust;
FIG. 6 is an enlarged view of a ventilation apparatus for tunnel construction, which is provided by the present invention, at a location B;
FIG. 7 is an enlarged view of a ventilation apparatus for tunnel construction, which is provided by the present invention, at a location C;
fig. 8 is a schematic structural view of a vertical plate of the adjustable ventilation equipment for tunnel construction, which is provided by the invention;
in the figure: 1 sleeve, 2 lantern rings, 3 mounting frames, 4 fixing frames, 5 first connecting pieces, 6 first rotating rods, 7 oil cylinders, 8 second rotating rods, 9 bottom plates, 10 bearing frames, 11 bearing plates, 12 connecting rods, 13U-shaped plates, 14 mounting plates, 15 first openings, 16 mounting grooves, 17 mounting blocks, 18 first bolts, 19 vertical rods, 20 screw rods, 21 moving pieces, 22 first nuts, 23 through holes, 24 gears, 25 arc-shaped openings, 26 screens, 27 first openings, 28 first moving plates, 29 driving motors, 30 supports, 31 rotating shafts, 32 fan blades, 33 connecting shafts, 34 second bolts, 35U-shaped rods, 36 guide rails, 37 first springs, 38 limiting plates, 39 second springs, 40 fixing pieces, 41 second openings, 42 third springs, 43 first connecting plates, 44 second moving plates, 45 second openings, 46 vertical plates, 47 third bolts, 48 threaded blind holes, 49 first conical blocks, 40 second conical blocks, 41 second openings, 42 third springs, 43 first connecting plates, 44 second moving plates, 45 second openings, 46 vertical plates, 47 third, The device comprises a fixed shaft 50, a second taper block 51, a fixed plate 52, a synchronizing wheel 53, a synchronous belt 54, a sleeve 55, a limiting groove 56, a tensioning wheel 57, a second connecting plate 58, an electric telescopic rod 59, a second connecting piece 60, a second nut 61, an inserted rod 62, a slot 63, a top plate 64, a fourth bolt 65, a partition plate 66 and a third opening 67.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a ventilation equipment convenient to adjust for tunnel construction, includes loading board 11, and loading board 11's upper end can be dismantled and is connected with sleeve 1, conveniently assembles and dismantles to can guarantee the firm degree of connection, promote the security of use, can be close to the one end of flabellum 32 at sleeve 1 when using and connect the expansion hose, convenient with the stable transport of wind to suitable position in the tunnel, be convenient for ventilate in the tunnel.
In the invention, the bearing frame 10 is fixed at the upper end of the bearing plate 11, the bearing frame 10 is connected to the upper end of the bearing plate 11 through a bolt assembly or welding mode and the like, so that the connection firmness can be ensured, the top four corners in the bearing frame 10 are all abutted with the top plate 64, the top plate 64 is abutted with the top in the bearing frame 10, the fourth bolts 65 penetrate through the top plate 64, the bearing frame 10 and the four corners at the lower end of the sleeve 1, the fourth bolts 65 can be well prevented from directly rubbing the bearing frame 10 when rotating through the top plate 64, the service life of the bearing frame 10 is prolonged, the replacement cost of the fourth bolts 65 and the top plate 64 is low, and the use cost is reduced.
In the invention, the two sides of the upper end of the top plate 64 are both fixed with the inserting rods 62, the inserting rods 62 are firmly connected with the top plate 64 through welding, the connection firmness degree can be effectively improved, the top in the bearing frame 10 is provided with eight inserting slots 63 respectively corresponding to the eight inserting rods 62, the eight inserting rods 62 are respectively positioned in the eight inserting slots 63, the two inserting rods 62 at the upper end of the top plate 64 are inserted into the two corresponding inserting slots 63, the top plate 64 cannot rotate and can only be abutted against the top in the bearing frame 10, so that the top in the bearing frame 10 can be effectively prevented from being worn, the service life of the bearing frame 10 is prolonged, and the use cost is reduced.
In the invention, the top plate 64, the bearing frame 10 and the sleeve 1 are provided with a fourth bolt 65 which penetrates through the top plate 64, the bolt head is contacted with the top plate 64, the upper end of the fourth bolt 65 is screwed with the second nut 61, the lower end of the second nut 61 is contacted with one side of the upper end of the sleeve 1, the distance between the second nut 61 and the bolt head of the fourth bolt 65 can be reduced by clockwise rotating the second nut 61, the top plate 64 and the sleeve 1 can firmly clamp the bearing frame 10, thereby improving the connection stability and avoiding the random shaking of the sleeve 1, when the fourth bolt 65 rotates, the fourth bolt 65 can rub the top plate 64, the top plate 64 is not moved, thereby effectively avoiding the abrasion of the bearing frame 10, in use, a gasket can be sleeved on the fourth bolt 65, the gasket is positioned between the second nut 61 and the sleeve 1, the abrasion of the sleeve 1 can be effectively reduced, and the service life is further prolonged, meanwhile, when the fourth bolt 65 and the second nut 61 are worn, the replacement is convenient, the replacement cost is low, and the use cost is reduced.
In the invention, four first gaps 27 are arranged on the side wall of the circumference in the sleeve 1 at equal intervals, the first moving plate 28 is installed on each of the four first gaps 27, one side of the first moving plate 28 and the bottom of the first gap 27 are both arranged in an arc shape, so that the first moving plate 28 can be tightly attached to the bottom of the first gap 27, and meanwhile, the two sides of the first moving plate 28 respectively abut against the opposite side walls of the first gap 27, so that the first moving plate 28 can stably move in the first gap 27.
In the invention, two fixed frames 4 are jointly fixed between the four first moving plates 28, each fixed frame 4 is composed of a middle disc and four steel plates around the disc, the four steel plates on the fixed frame 4 are respectively fixedly connected with the four first moving plates 28 through welding, so that the four first moving plates 28 form a whole, and the four first moving plates 28 can synchronously move.
In the invention, one side of one of the fixing frames 4 is provided with a power mechanism which can provide power for the rotation of the fan blades 32, thereby facilitating the generation of wind power and the transportation of the wind into the tunnel.
In the invention, the power mechanism comprises the mounting frame 3 fixed on one side of one of the fixing frames 4, the mounting frame 3 is fixed on the fixing frame 4 through welding, the connection firmness is improved, the driving motor 29 is installed on the mounting frame 3, and the motor mounting seat and the matched connecting part can be arranged on the mounting frame 3, so that the driving motor 29 can be conveniently connected with the control equipment and the power supply, and a part for adjusting the rotating speed is not required to be arranged during use, so that the electric elements required by the driving motor 29 can be simplified, and only the driving motor 29 is required to normally operate during use, so that the adaptability of the power mechanism to the environment can be well improved, and the power mechanism can be better adapted to the severe.
In the invention, a bracket 30 is fixed on one of the first moving plates 28, the bracket 30 is fixed on one of the first moving plates 28 by welding to ensure the connection firmness, a rotating shaft 31 is rotatably sleeved on the bracket 30 to facilitate the rotation of the rotating shaft 31, one end of the rotating shaft 31 is rotatably connected to one side of a fixing part 40, the rotation stability of the rotating shaft 31 can be ensured by the matching of the fixing part 40 and the bracket 30, a first conical block 49 is fixedly sleeved on the rotating shaft 31, the first conical block 49 is in a conical circular truncated cone shape, the diameter of a circular section of one end of the first conical block 49 close to the fan blade 32 is the smallest, any point on the peripheral side wall of the first conical block 49 rotates by taking the rotating shaft 31 as the center, the time for one circle of all points on the first conical block 49 is the same, and the rotating distances of different diameter sections on the first.
In the present invention, the first tapered block 49 and the second tapered block 51 are in contact with each other, when the first tapered block 49 rotates, the second tapered block 51 can be driven to rotate, one end of the output shaft of the driving motor 29 is fixed to the other end of the rotating shaft 31, the driving motor 29 can drive the rotating shaft 31 to rotate, so that the first tapered block 49 can rotate around the rotating shaft 31, when the second tapered block 51 contacts different positions on the first tapered block 49, the linear velocities of the second tapered block 51 and the positions are the same, thereby facilitating the adjustment of the rotation velocity of the second tapered block 51 by adjusting the contact position of the second tapered block 51 and the first tapered block 49.
In the invention, the power mechanism is provided with the fixing part 40 which is rotatably connected with the rotating shaft 31 on the power mechanism, the rotating stability of the rotating shaft 31 is further ensured, the fixing part 40 is connected with one of the first moving plates 28, the lower end of the fixing part 40 and the upper end of one of the first moving plates 28 are fixed through welding, the connecting stability is ensured, the connecting shaft 33 is rotatably connected between the other fixing frame 4 and the fixing part 40 together, the rotating stability of the connecting shaft 33 can be well ensured, the fan blades 32 are fixedly sleeved on the connecting shaft 33, the connecting shaft 33 rotates to drive the fan blades 32 to rotate, the rotating speed of the connecting shaft 33 is changed, so that the wind power generated when the fan blades 32 rotate is changed, the adjustment is convenient, the wind power with different sizes can be generated according to needs.
In the invention, the fixing part 40 is provided with the second opening 41, the vertical plate 46 is arranged in the second opening 41, the first spring 37 and the second spring 39 are respectively fixed at two ends of the vertical plate 46, one end of the first spring 37 and one end of the second spring 39 are respectively fixed at the top and the bottom in the second opening 41, when the second conical block 51 moves, the first spring 37 and the second spring 39 can work together, so that the second conical block 51 and the first conical block 49 are always firmly abutted, and the stability of friction transmission is ensured.
In the invention, the two sides of the vertical plate 46 are both provided with the second notches 45, the opposite side walls in the second opening 41 are respectively positioned in the two second notches 45, the thickness of the vertical plate 46 is greater than that of the fixing piece 40, and the distance between the opposite side walls in the second notches 45 is slightly greater than that of the fixing piece 40, so that the opposite side walls in the second opening 41 can be positioned in the second notches 45, and the vertical plate 46 can be conveniently lifted.
In the invention, the vertical plate 46 is provided with the adjusting mechanism, the adjusting mechanism is provided with the second taper block 51, the adjusting mechanism can well adjust the position of the second taper block 51 and is convenient for transmission, the adjusting mechanism comprises the fixing plate 52 fixed at the lower end of the vertical plate 46, and the fixing plate 52 and the vertical plate 46 are fixedly connected through welding, so that the connection stability can be ensured.
In the invention, an electric telescopic rod 59 is fixed on one side of the fixing plate 52, the electric telescopic rod 59 is connected with an external connecting part, a power supply and a control device, so that a worker can conveniently control the electric telescopic rod 59 to stretch, a second connecting plate 58 is fixed at one end of the electric telescopic rod 59, a fixing shaft 50 is fixed at one end of the second connecting plate 58, the electric telescopic rod 59 can drive the fixing shaft 50 to stably move through the second connecting plate 58, the fixing shaft 50 can drive the second conical block 51 to move, and the abutting position of the second conical block 51 and the first conical block 49 can be conveniently adjusted, so that the purpose of adjusting the rotating speed of the second conical block 51 is achieved.
In the invention, one of the synchronizing wheels 53 and the vertical plate 46 are sleeved on the fixed shaft 50, so that the fixed shaft 50 can move and rotate relative to the synchronizing wheels 53 and the vertical plate 46, and the adjustment sensitivity and accuracy are ensured.
In the invention, the two limit plates 38 are fixed on the opposite side walls in one synchronizing wheel 53, the two limit grooves 56 are arranged on the two sides of the fixing shaft 50, the two limit plates 38 are respectively positioned in the two limit grooves 56, when the fixing shaft 50 moves, the limit plates 38 move in the limit grooves 56 without obstructing the movement of the fixing shaft 50, when the fixing shaft 50 rotates along with the second cone-shaped block 51, the side wall at one end in the limit grooves 56 can abut against one side of the limit plates 38, so that the synchronizing wheel 53 can coaxially rotate along with the fixing shaft 50, and when the rotation of the second cone-shaped block 51 changes, the rotating speed of the synchronizing wheel 53 also changes.
In the invention, a sleeve 55 is sleeved on the fixed shaft 50, the sleeve 55 can further ensure the stability of rotation and movement of the fixed shaft 50, one end of the sleeve 55 is fixed on one side of the vertical plate 46, one side of the sleeve 55 is fixed on one side of the vertical plate 46 through welding to ensure the stability of connection, the other end of the sleeve 55 is rotatably connected on one side of one of the synchronizing wheels 53, so that one of the synchronizing wheels 53 can stably rotate, the synchronizing wheel 53 can synchronously lift along with the fixed shaft 50 and the vertical plate 46, one side of the second cone-shaped block 51 is fixed on one end of the fixed shaft 50, the second cone-shaped block 51 is fixedly connected with the fixed shaft 50 through welding to ensure that the fixed shaft 50 synchronously rotates along with the second cone-shaped block 51, thereby changing along with the change of the rotating speed of.
In the invention, the second conical block 51 is connected with the power mechanism, the second conical block 51 is contacted with the first conical block 49 on the power mechanism, the adjusting mechanism adjusts the position of the second conical block 51, thereby being convenient for adjusting the rotating speed of the second conical block 51, the adjusting mechanism and the connecting shaft 33 are both fixedly sleeved with synchronizing wheels 53, the synchronizing wheels 53 adopt tooth-shaped synchronizing wheels, the two synchronizing wheels 53 are in transmission connection through a synchronous belt 54, the synchronous belt 54 adopts a tooth-shaped synchronous belt matched with the tooth-shaped synchronizing wheels, thereby facilitating stable transmission, facilitating the synchronous wheel 53 to drive the connecting shaft 33 to rotate, the connecting shaft 33 to drive the fan blades 32 to rotate, changing the rotating speed of the second taper block 51, the rotational speed of the fixed shaft 50 is changed in synchronization, so that the rotational speed of the synchronizing wheel 53 can be changed, thereby changing the rotating speed of the connecting shaft 33 and the fan blades 32 and facilitating the generation of wind power with different sizes.
In the invention, one side of the upper end of the fixing part 40 is provided with the tensioning mechanism, the tensioning mechanism is provided with the tensioning wheel 57, the synchronous belt 54 is sleeved on the tensioning wheel 57, when the distance between the two synchronous wheels 53 changes, the tensioning wheel 57 can always abut against the synchronous belt 54 through the tensioning mechanism, so that the synchronous belt 54 always keeps a tensioning state, the transmission stability is ensured, and the two synchronous wheels 53 stably rotate synchronously.
In the invention, the tensioning mechanism comprises a U-shaped rod 35 fixed on one side of the upper end of the fixing piece 40, a third spring 42 and a first connecting plate 43 are sleeved on the U-shaped rod 35, the third spring 42 can contract under stress, and can quickly return when the stress disappears, two ends of the third spring 42 are respectively fixed on one side of the first connecting plate 43 and one side wall in the U-shaped rod 35, the position of the U-shaped rod 35 cannot be changed, and when the stress is transmitted to the third spring 42 through the first connecting plate 43, the third spring 42 can be deformed.
In the present invention, a second moving plate 44 is fixed at the lower end of a first connecting plate 43, a guide rail 36 is sleeved at one end of the second moving plate 44, one side of the guide rail 36 is fixed at one side of the upper end of a fixing member 40, the guide rail 36 and the fixing member 40 are fixedly connected by welding to improve the firmness and enable the second moving plate 44 to move stably, and when the stability of the second moving plate 44 moving is further improved by the first connecting plate 43, a tension pulley 57 is rotatably connected at one side of the second moving plate 44, when a synchronous pulley 53 on a fixing shaft 50 ascends, a synchronous belt 54 is loosened, and at this time, under the action of a third spring 42, the second moving plate 44 drives the tension pulley 57 to move outwards, so that the synchronous belt 54 is tightened.
In the invention, the bottom plate 9 is arranged at the lower end of the bearing plate 11, the bottom plate 9 can be abutted against a base layer, the integral stability is ensured, two mounting plates 14 are fixed on the opposite sides of the bearing plate 11 and the bottom plate 9, mounting grooves 16 are formed in one sides of the mounting plates 14, mounting blocks 17 are fixed in the mounting grooves 16, the mounting blocks 17 can move in the mounting grooves 16, the positions of the mounting blocks can be adjusted according to the conditions, first rotating rods 6 are rotatably connected to two sides of the lower end of the bearing plate 11 and one side of the two mounting blocks 17 positioned at the upper end, the two first rotating rods 6 on the same side are arranged in a staggered mode, the two first rotating rods 6 on the same side are arranged in an X mode, the two first rotating rods 6 on the same side are rotatably connected, the central positions of the two first rotating rods 6.
In the invention, two sides of the upper end of a bottom plate 9 and one side of two mounting blocks 17 positioned at the lower end are both rotatably connected with second rotating rods 8, the two second rotating rods 8 at the same side are arranged in a staggered manner, the two second rotating rods 8 at the same side are arranged in an X shape, the two second rotating rods 8 at the same side are rotatably connected, the central positions of the two second rotating rods 8 at the same side are connected with a transverse shaft in a rotating manner, so that the second rotating rods 8 can rotate conveniently, the four second rotating rods 8 are rotatably connected with the four first rotating rods 6, the two parallel first rotating rods 6 form a group, the two parallel second rotating rods 8 form a group, wherein the group of two second rotating rods 8 and the group of two first rotating rods 6 are both fixed with first connecting pieces 5, an oil cylinder 7 is rotatably connected between the two first connecting pieces 5, and the oil cylinder 7 and an external hydraulic part form a finished hydraulic system, thereby be convenient for hydro-cylinder 7 flexible, hydro-cylinder 7 is flexible can promote the distance between two first connecting pieces 5 and change, when the distance between two first connecting pieces 5 becomes far away, the distance grow between loading board 11 and the bottom plate 9, sleeve 1 rises, otherwise, sleeve 1 descends, when needs transport, enable hydro-cylinder 7 shrink, the distance between two first connecting pieces 5 reduces, the distance between loading board 11 and the bottom plate 9 descends, sleeve 1 descends, make holistic volume reduce, the staff of being convenient for carries and carries through machinery.
In the invention, a first opening 15 is arranged on the side wall of one end in the mounting groove 16, one side of the mounting block 17 is rotatably connected with the connecting rod 12, the connecting rod 12 is positioned in the first opening 15, one end of each of the two connecting rods 12 on the same side is fixed with a gear 24, the two gears 24 on the same side are together rotatably connected with the U-shaped plate 13, the two gears 24 are meshed, the two gears 24 can reversely rotate at the same angle, so that the two connecting rods 12 on the same side can reversely rotate at the same angle, when the oil cylinder 7 operates, the position of the mounting block 17 in the mounting groove 16 is changed to adapt to the change, the mounting block 17 operates, the connecting rods 12 can operate, and under the action of the gears 24, the two connecting rods 12 reversely and synchronously operate to adapt to the lifting of the bearing plate.
In the invention, one side of the U-shaped plate 13 is provided with a positioning mechanism, the state of the connecting rod 12 can be well fixed through the positioning mechanism, the purpose of assisting in fixing the position of the bearing plate 11 is achieved, the positioning mechanism corresponds to one gear 24 on the U-shaped plate 13, the position on one gear 24 is convenient to fix, the position of the other gear 24 can be fixed, the gear 24 cannot rotate, and the state of the connecting rod 12 is further fixed.
In the invention, the positioning mechanism comprises a partition plate 66 fixed on one side of the U-shaped plate 13, the partition plate 66 is provided with a third opening 67, the moving member 21 is installed in the third opening 67, opposite side walls in the third opening 67 are respectively sleeved on two sides of the moving member 21, two sides of the moving member 21 are provided with guide rail grooves, and opposite side walls in the third opening 67 are respectively positioned in the two guide rail grooves, so that the moving member 21 can stably move in the third opening 67.
In the invention, a screw rod 20 is sleeved on a moving member 21, two first nuts 22 are sleeved on the screw rod 20, the two first nuts 22 are positioned on two sides of the moving member 21, when adjustment is required, the two first nuts 22 are rotated to enable the two first nuts 22 to be far away from the moving member 21, so that the purpose of lifting the screw rod 20 is realized, a vertical rod 19 is fixed at the upper end of the screw rod 20, and the screw rod 20 can drive the vertical rod 19 to lift.
In the invention, a first bolt 18 is sleeved on a vertical rod 19 in a threaded manner, an arc-shaped opening 25 is arranged on one side of a U-shaped plate 13, a plurality of through holes 23 are equidistantly arranged on one gear 24, the through holes 23 correspond to the arc-shaped openings 25, one end of the first bolt 18 extends into one of the through holes 23, the vertical rod 19 can drive the first bolt 18 to lift up and down by lifting, one end of the first bolt 18 can be enabled to correspond to one through hole 23 in the arc-shaped opening 25 by moving a moving piece 21, the first bolt 18 is rotated to enable the first bolt 18 to be inserted into the through hole 23, meanwhile, the moving piece 21 is adjusted to enable a screw rod 20 to be vertical to a partition plate 66, two first nuts 22 are rotated to enable the two first nuts 22 to respectively abut against two sides of the moving piece 21, so that the screw rod 20 can not lift up and down, thereby one gear 24 in the U-shaped plate 13 can be well fixed, the distance between the bearing plate 11 and the bottom plate 9 can be fixed in an auxiliary mode, and the overall stability is guaranteed.
In the invention, two screens 26 are arranged in a sleeve 1, wherein the peripheral side wall of one screen 26 is abutted against the peripheral side wall in the sleeve 1, the peripheral side wall of the other screen 26 is abutted against the peripheral side wall in the sleeve 1 and one side of four first moving plates 28, the two screens 26 are detachably connected with the sleeve 1 and the four first moving plates 28 through four second bolts 34, and the two screens 26 are conveniently installed and detached through the second bolts 34, so that the connection stability can be ensured, the screens 26 can effectively filter impurities in air, the quality of the air conveyed into a tunnel is improved, constructors in the tunnel can be protected, the replacement and the cleaning can be quickly carried out after the removal, and the quality of air purification can be ensured.
In the invention, four ends of one of the fixed frames 4 are all provided with third bolts 47 in a penetrating manner, four third bolts 47 respectively penetrate four first moving plates 28, the side wall of one end in the first notch 27 is provided with a threaded blind hole 48, one ends of the four third bolts 47 respectively penetrate and extend into the four threaded blind holes 48, the third bolts 47 are rotated clockwise to enable the third bolts 47 to be screwed into the threaded blind holes 48, so that the first moving plates 28 and the sleeve 1 form a complete whole, the sleeve 1 can play a good protection role, components in the sleeve 1 can be protected from being influenced by the outside, the stable operation of the components can be ensured, and the third bolts 47 are rotated anticlockwise, so that the movement of the first moving plates 28 is facilitated, the first moving plates 28 can drive the components in the sleeve 1 to move out of the sleeve 1, and the overhaul by workers is facilitated.
In the invention, two lantern rings 2 are jointly fixed on one side of the four first moving plates 28, and the outer side walls of the two lantern rings 2 are firmly connected with the four first moving plates 28 through welding, so that the synchronism of the four first moving plates 28 can be further improved, the four first moving plates 28 can move synchronously, ventilation and adjustment components in the sleeve 1 can be stably moved out of the sleeve 1, and workers can conveniently overhaul the ventilation and adjustment components, and the stable operation of the ventilation and adjustment components is ensured.
In the invention, when in use, the inserting rods 62 are inserted into the corresponding slots 63 to fix the top plate 64, the fourth bolts 65 penetrate through the top plate 64, the bearing frame 10 and the sleeve 1, the second nuts 61 are screwed on the upper ends of the fourth bolts 65, the second nuts 61 abut against the lower end of the sleeve 1, the firmness of the connection between the bearing frame 10 and the sleeve 1 can be well ensured, the oil cylinders 7 extend to change the positions and the distances of the two first connecting pieces 5 and change the angle between the first rotating rods 6 and the second rotating rods 8 which are connected in a rotating manner, the two first rotating rods 6 and the two second rotating rods 8 can move the four mounting blocks 17 to stably push the bearing plate 11 to rise, so that the sleeve 1 can be driven to rise, the height of the sleeve 1 can be conveniently adjusted, the carrying and the conveying are convenient, and when the distance between the bearing plate 11 and the bottom plate 9 changes, the angle between two connecting rods 12 on the same side also changes, the position and the height of the adjusting screw 20 can be adjusted, so that the first bolt 18 can well extend to one of the through holes 23, the position of one gear 24 in the U-shaped plate 13 can be fixed, the position of the connecting rod 12 can be fixed, and the auxiliary fixing of the positions of the bearing plate 11 and the bottom plate 9 is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a ventilation equipment convenient to adjust for tunnel construction, includes loading board (11), its characterized in that: the upper end of the bearing plate (11) is detachably connected with a sleeve (1), four first openings (27) are formed in the side wall of the circumference in the sleeve (1) at equal intervals, first movable plates (28) are installed on the four first openings (27), two fixing frames (4) are jointly fixed between the four first movable plates (28), one side of one fixing frame (4) is provided with a power mechanism, a fixing part (40) is arranged on the power mechanism, the fixing part (40) is connected with one first movable plate (28), a connecting shaft (33) is jointly rotatably connected between the other fixing frame (4) and the fixing part (40), fan blades (32) are fixedly sleeved on the connecting shaft (33), a second opening (41) is formed in the fixing part (40), a vertical plate (46) is arranged in the second opening (41), and a first spring (37) and a second spring (39) are respectively fixed at the two ends of the vertical plate (46), the top and the bottom in second opening (41) are fixed respectively to the one end of first spring (37) and second spring (39), the both sides of riser (46) all are equipped with second opening (45), the relative lateral wall in second opening (41) is located two second openings (45) respectively, be equipped with adjustment mechanism on riser (46), the last second toper piece (51) that is equipped with of adjustment mechanism, second toper piece (51) and power unit are connected, all fixed the cover is equipped with synchronizing wheel (53) on adjustment mechanism and connecting axle (33), connect through hold-in range (54) transmission between two synchronizing wheel (53), the upper end one side of mounting (40) is equipped with straining device, the last take-up pulley (57) that is equipped with of straining device, hold-in range (54) cover is established on take-up pulley (57).
2. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: the power mechanism comprises an installation frame (3) fixed on one side of one of the fixed frames (4), a driving motor (29) is installed on the installation frame (3), a support (30) is fixed on one of the first moving plates (28), a rotating shaft (31) is sleeved on the support (30) in a rotating mode, one end of the rotating shaft (31) is connected to one side of the fixing piece (40) in a rotating mode, a first conical block (49) is fixedly installed on the rotating shaft (31) in a fixing mode, the first conical block (49) is inconsistent with the second conical block (51), and one end of an output shaft of the driving motor (29) is fixed to the other end of the rotating shaft (31).
3. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: the adjusting mechanism comprises a fixing plate (52) fixed at the lower end of a vertical plate (46), an electric telescopic rod (59) is fixed at one side of the fixing plate (52), a second connecting plate (58) is fixed at one end of the electric telescopic rod (59), a fixing shaft (50) is fixed at one end of the second connecting plate (58), one synchronizing wheel (53) and the vertical plate (46) are sleeved on the fixing shaft (50), a limiting plate (38) is fixed on the opposite side wall in one synchronizing wheel (53), limiting grooves (56) are arranged on the two sides of the fixing shaft (50), the two limiting plates (38) are respectively positioned in the two limiting grooves (56), a sleeve (55) is sleeved on the fixing shaft (50), one end of the sleeve (55) is fixed at one side of the vertical plate (46), the other end of the sleeve (55) is rotatably connected to one side of one synchronizing wheel (53), one side of the second taper block (51) is fixed at one end of the fixed shaft (50).
4. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: the tensioning mechanism comprises a U-shaped rod (35) fixed on one side of the upper end of a fixing piece (40), a third spring (42) and a first connecting plate (43) are sleeved on the U-shaped rod (35), two ends of the third spring (42) are respectively fixed on one side of the first connecting plate (43) and one side wall in the U-shaped rod (35), a second moving plate (44) is fixed at the lower end of the first connecting plate (43), a guide rail (36) is sleeved at one end of the second moving plate (44), one side of the guide rail (36) is fixed on one side of the upper end of the fixing piece (40), and a tensioning wheel (57) is rotatably connected on one side of the second moving plate (44).
5. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: the upper end of loading board (11) is fixed with bears frame (10), it has roof (64) all to contradict in the top four corners that bears frame (10), the upper end both sides of roof (64) all are fixed with inserted bar (62), bear the top in frame (10) and be equipped with eight respectively with eight corresponding slots (63) of inserted bar (62), eight inserted bar (62) are located eight slots (63) respectively, roof (64), bear and run through on frame (10) and sleeve (1) jointly and be equipped with fourth bolt (65), the upper end spiral shell of fourth bolt (65) is closed and is had second nut (61), the lower extreme of second nut (61) is contradicted in upper end one side of sleeve (1).
6. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: the lower extreme of loading board (11) is equipped with bottom plate (9), the relative one side of loading board (11) and bottom plate (9) all is fixed with two mounting panels (14), one side of mounting panel (14) all is equipped with mounting groove (16), mounting groove (16) internal fixation has installation piece (17), the lower extreme both sides of loading board (11) and the one side of two installation pieces (17) that lie in the upper end all rotate and are connected with first dwang (6), two first dwang (6) with one side set up in a staggered way, and rotate between two first dwang (6) with one side and connect, the upper end both sides of bottom plate (9) and one side of two installation pieces (17) that lie in the lower extreme all rotate and are connected with second dwang (8), two second dwang (8) with one side set up in a staggered way, and rotate and connect between two second dwang (8) with one side, the four second rotating rods (8) are rotatably connected with the four first rotating rods (6), the two first rotating rods (6) which are parallel to each other are in a group, the two second rotating rods (8) and the two first rotating rods (6) in the group are both fixed with first connecting pieces (5), and the two first connecting pieces (5) are rotatably connected with the oil cylinder (7) together.
7. An adjustable ventilating device for tunnel construction according to claim 6, wherein: be equipped with first opening (15) on the one end lateral wall in mounting groove (16), one side of installation piece (17) is rotated and is connected with connecting rod (12), connecting rod (12) are located first opening (15), and one end with two connecting rod (12) of one side all is fixed with gear (24), and two gear (24) with one side rotate jointly and are connected with U template (13), and two gear (24) mesh mutually, one side of U template (13) is equipped with positioning mechanism, positioning mechanism and gear (24) on U template (13) are corresponding.
8. An adjustable ventilating device for tunnel construction according to claim 7, wherein: the positioning mechanism comprises a partition plate (66) fixed on one side of a U-shaped plate (13), a third opening (67) is formed in the partition plate (66), a moving member (21) is installed in the third opening (67), opposite side walls in the third opening (67) are respectively sleeved on two sides of the moving member (21), a screw rod (20) is sleeved on the moving member (21), two first nuts (22) are sleeved on the screw rod (20), the two first nuts (22) are located on two sides of the moving member (21), a vertical rod (19) is fixed at the upper end of the screw rod (20), a first bolt (18) is sleeved on the vertical rod (19) in a threaded manner, an arc-shaped opening (25) is formed in one side of the U-shaped plate (13), a plurality of through holes (23) are formed in one gear (24) at equal intervals, and the through holes (23) correspond to the arc-shaped opening (25), one end of the first bolt (18) extends into one of the through holes (23).
9. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: be equipped with two screens (26) in sleeve (1), a week lateral wall in one of them screen cloth (26) and sleeve (1) is inconsistent, and a week lateral wall in another screen cloth (26) and sleeve (1) is inconsistent with one side of four first movable plates (28), and two screen cloths (26) all are through four second bolt (34) and sleeve (1) and four first movable plates (28) detachable connection.
10. A ventilation apparatus for tunnel construction easy to adjust according to claim 1, characterized in that: four ends of one of them mount (4) all run through and are equipped with third bolt (47), and four first movable plates (28) are run through respectively to four third bolts (47), be equipped with screw thread blind hole (48) on the one end lateral wall in first breach (27), in the one end of four third bolts (47) runs through respectively and extends to four screw thread blind holes (48), and one side of four first movable plates (28) is fixed with two lantern rings (2) jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170046.7A CN110985413B (en) | 2019-11-26 | 2019-11-26 | Ventilation equipment convenient to adjust for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170046.7A CN110985413B (en) | 2019-11-26 | 2019-11-26 | Ventilation equipment convenient to adjust for tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN110985413A true CN110985413A (en) | 2020-04-10 |
| CN110985413B CN110985413B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911170046.7A Active CN110985413B (en) | 2019-11-26 | 2019-11-26 | Ventilation equipment convenient to adjust for tunnel construction |
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| CN (1) | CN110985413B (en) |
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| US6945758B1 (en) * | 2002-03-08 | 2005-09-20 | Emerson Electric Co. | Drive support and cover assembly for tubeaxial fan |
| JP2008132234A (en) * | 2006-11-29 | 2008-06-12 | Aisin Seiki Co Ltd | Sewing machine |
| CN108953201A (en) * | 2018-09-25 | 2018-12-07 | 江苏科创电器有限公司 | A kind of adjustable oscillating mechanism of fan speed and fan |
| CN109281848A (en) * | 2018-11-29 | 2019-01-29 | 姚莉萍 | A kind of tunnel fan |
| CN209908797U (en) * | 2019-02-19 | 2020-01-07 | 苏州众志新环冷却设备有限公司 | Angle-adjustable axial flow fan |
-
2019
- 2019-11-26 CN CN201911170046.7A patent/CN110985413B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6945758B1 (en) * | 2002-03-08 | 2005-09-20 | Emerson Electric Co. | Drive support and cover assembly for tubeaxial fan |
| JP2008132234A (en) * | 2006-11-29 | 2008-06-12 | Aisin Seiki Co Ltd | Sewing machine |
| CN108953201A (en) * | 2018-09-25 | 2018-12-07 | 江苏科创电器有限公司 | A kind of adjustable oscillating mechanism of fan speed and fan |
| CN109281848A (en) * | 2018-11-29 | 2019-01-29 | 姚莉萍 | A kind of tunnel fan |
| CN209908797U (en) * | 2019-02-19 | 2020-01-07 | 苏州众志新环冷却设备有限公司 | Angle-adjustable axial flow fan |
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| CN110985413B (en) | 2021-03-12 |
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Inventor after: Long Xiutang Inventor after: Ran Longhua Inventor after: Yin Jianwen Inventor after: Luo Ningning Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
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Effective date of registration: 20210208 Address after: 610031 Building 2, Zone E, industrial headquarters base, Qingyang District, Chengdu City, Sichuan Province (No. 51, Tengfei Avenue) Applicant after: CHINA RAILWAY NO.5 ENGINEERING GROUP CHENGDU ENGINEERING Co.,Ltd. Applicant after: CHINA RAILWAY NO.5 ENGINEERING GROUP Co.,Ltd. Address before: Room a7137, 7th floor, building 9, phase I, Changsha Zhongdian Software Park, No. 39, Jianshan Road, Changsha high tech Development Zone, Changsha City, Hunan Province Applicant before: Changsha kaize Engineering Design Co.,Ltd. |
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