CN111829900A - Bridge steel wire torsional fatigue strength detection device - Google Patents
Bridge steel wire torsional fatigue strength detection device Download PDFInfo
- Publication number
- CN111829900A CN111829900A CN202010753446.7A CN202010753446A CN111829900A CN 111829900 A CN111829900 A CN 111829900A CN 202010753446 A CN202010753446 A CN 202010753446A CN 111829900 A CN111829900 A CN 111829900A
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- cavity
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- blowing
- transmission
- bevel gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/26—Investigating twisting or coiling properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The invention discloses a device for detecting torsional fatigue strength of a bridge steel wire, which comprises a main body, wherein a detection cavity is arranged in the main body, the detection cavity is internally provided with a blowing component, the upper side of the detection cavity is communicated with a lifting cavity, the lifting cavity is internally provided with a lifting component, a driving cavity is arranged on the right side of the lifting cavity, a transmission assembly is arranged in the driving cavity, a transmission cavity communicated with the driving cavity is arranged on the rear side of the lifting cavity, the blowing assembly comprises a hollow steering shaft which is rotatably arranged on the lower end wall of the transmission cavity and extends downwards to the detection cavity, the device twists reverse the steel wire after pressing from both sides tight steel wire through anchor clamps gradually, and the subassembly of blowing simultaneously imitates external environment and bloies to the steel wire, and the sand of fixed sandbox in falls into the activity sandbox when the lift subassembly rises, and striking steel wire detects and twists reverse fatigue strength with the steel wire under the external force striking effect when the activity sandbox descends.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a device for detecting torsional fatigue strength of a bridge steel wire.
Background
The suspension bridge is a bridge which takes cables suspended through cable towers and anchored on two banks as main bearing members of an upper structure, a large number of steel cables are required in construction, and strength detection is required before the steel cables are produced and put into use. The traditional mode is to detect physical properties such as tensile strength, winding, torsion of steel wire product one by one, but the environment and the atress are comparatively complicated after the cable bridge is put into operation in practice, and the condition of cable wire when there is strong wind or foreign matter collision in the external world can't be detected out in detection such as simple torsion.
Disclosure of Invention
Aiming at the technical defects, the invention provides a device for detecting the torsional fatigue strength of a bridge steel wire, which can overcome the defects.
The invention relates to a device for detecting torsional fatigue strength of a bridge steel wire, which comprises a main body, wherein a detection cavity is arranged in the main body, a blowing assembly is arranged in the detection cavity, a lifting cavity is communicated with the upper side of the detection cavity, a lifting assembly is arranged in the lifting cavity, a driving cavity is arranged on the right side of the lifting cavity, a transmission assembly is arranged in the driving cavity, a transmission cavity communicated with the driving cavity is arranged on the rear side of the lifting cavity, the blowing assembly comprises a hollow steering shaft which is rotatably arranged on the lower end wall of the transmission cavity and extends downwards to the detection cavity, a steering box is fixedly arranged on the lower side of the hollow steering shaft, a blowing transmission shaft which penetrates through the hollow steering shaft and extends upwards to the transmission cavity is rotatably arranged on the upper end wall of the steering box, a driving blowing bevel gear fixedly connected with the lower side of the blowing transmission shaft is arranged in the steering box, a hollow blowing rotating, the front side of the hollow blowing rotating shaft is fixedly connected with a rotating box, the rear end wall of the rotating box is rotatably provided with a speed-regulating rotating shaft which penetrates through the hollow blowing rotating shaft and extends leftwards to the steering box, a driving speed-regulating bevel gear fixedly connected with the speed-regulating rotating shaft is arranged in the rotating box, six fan blade rotating shafts are arranged around the rotating box in an equiangular rotation manner, a driven speed regulating bevel gear which is fixedly connected with the rotating shaft of the fan blade and is meshed with the driving speed regulating bevel gear is arranged in the rotating box, the outer side of the rotating shaft of the fan blade is fixedly provided with the fan blade, the steering box is internally provided with a driven blowing bevel gear which is fixedly connected with the hollow blowing rotating shaft and is meshed with the driving blowing bevel gear, the steering box is internally provided with a spline shaft connected with the rear side of the speed regulation rotating shaft through a spline sleeve, and the rear side of the spline shaft is provided with an adjusting bevel gear capable of being meshed with the active blowing bevel gear.
Preferably, the blowing assembly further comprises a dovetail sliding groove located on the lower end wall of the steering box, a dovetail sliding block connected with the spline shaft through a bearing is arranged in the dovetail sliding groove in a sliding manner, an electromagnet is arranged on the front side of the dovetail sliding groove, an iron block matched with the electromagnet is arranged on the front side of the dovetail sliding block, the front side of the dovetail sliding block is connected with the front end wall of the dovetail sliding groove through a reset spring, a worm wheel fixedly connected with the upper side of the hollow steering shaft is arranged in the transmission cavity, a left rotating shaft and a right rotating shaft are rotatably arranged on the right end wall of the transmission cavity, a worm meshed with the worm wheel and two forward and reverse gears located on the right side of the worm are fixedly connected to the left rotating shaft and the right rotating shaft, a support rod is fixedly arranged on the right end wall of the transmission cavity, a steering transmission shaft is rotatably arranged on the support rod, and the rear end wall of the detection cavity is provided with a vent communicated with the outside.
Preferably, the lifting unit includes fixed mounting in the fixed sandbox of lift chamber upside, lift chamber right-hand member wall rotates installs the lift axis of rotation and is located lift axis of rotation front side and right side extend to the drive shaft in drive chamber, the lift intracavity be equipped with lift axis of rotation fixed connection's sector gear and be located the left reel of sector gear, around there being the connecting wire on the reel, connecting wire downside fixedly connected with activity sandbox, the lift intracavity be equipped with drive shaft fixed connection and with reel meshing elevating gear.
Preferably, the lifting component is further including connecting fixed sandbox downside opening with flexible pipe of activity sandbox upside open-ended, activity sandbox upside opening is fixed to be equipped with and is located montant in the flexible pipe, be equipped with the piston in the fixed sandbox downside opening, the piston upside with end wall passes through piston spring coupling under the fixed sandbox.
Preferably, the transmission assembly include with drive chamber right-hand member wall fixed connection and with the motor that drive shaft power is connected, detect chamber left end wall fixedly connected with mounting fixture, drive chamber right-hand member wall rotate install with mounting fixture is located same water flat line's anchor clamps axis of rotation, fixedly connected with rotates anchor clamps and is located in the anchor clamps axis of rotation the intermittent type gear on anchor clamps right side, drive chamber right-hand member wall rotates and installs and is located the torsion drive shaft of anchor clamps axis of rotation upside, on the torsion drive shaft fixedly connected with intermittent type gear meshing's single tooth gear.
Preferably, the drive assembly still include with the drive shaft twist reverse two belt pulleys that are connected through twisting the belt of twisting of transmission shaft difference fixed connection, transmission chamber right-hand member wall rotates and installs and be located the driven shaft of blowing of bracing piece front side, the driven shaft of blowing respectively fixed mounting have the belt pulley of blowing through blowing the connection in the drive shaft, fixedly connected with initiative transmission bevel gear and being located on the driven shaft of blowing the initiative transmission bevel gear rear side turn to the bevel gear, turn to transmission shaft front side fixedly connected with the driven bevel gear that turns to the bevel gear meshing of initiative, be equipped with in the transmission chamber with blow transmission shaft upside fixed connection and with the driven transmission bevel gear of initiative transmission bevel gear meshing.
The beneficial effects are that: the device simple structure, convenient operation, the device is at the during operation, twist reverse the steel wire after pressing from both sides tight steel wire through anchor clamps gradually, the subassembly of blowing simultaneously imitates external environment and bloies to the steel wire, the subassembly of blowing can adjust wind-force size as required, the sand in the fixed sandbox falls into movable sandbox when the lifting unit goes up, striking steel wire when the activity sandbox descends, the steel wire that detects under the effect of blowing and external force striking twists reverse fatigue strength, more accords with the state that the bridge worked under actual environment.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure B-B in FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 2 according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure at D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of structures E-E in FIG. 1 according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a device for detecting torsional fatigue strength of a bridge steel wire, which comprises a main body 10, wherein a detection cavity 18 is arranged in the main body 10, a blowing assembly is arranged in the detection cavity 18, a lifting cavity 11 is communicated with the upper side of the detection cavity 18, a lifting assembly is arranged in the lifting cavity 11, a driving cavity 30 is arranged at the right side of the lifting cavity 11, a transmission assembly is arranged in the driving cavity 30, a transmission cavity 38 communicated with the driving cavity 30 is arranged at the rear side of the lifting cavity 11, the blowing assembly comprises a hollow steering shaft 44 which is rotatably arranged on the lower end wall of the transmission cavity 38 and downwardly extends to the detection cavity 18, a steering box 62 is fixedly arranged at the lower side of the hollow steering shaft 44, a blowing transmission shaft 41 which penetrates through the hollow steering shaft 44 and upwardly extends to the transmission cavity 38 is rotatably arranged on the upper end wall of the steering box 62, and a driving blowing bevel gear 71 which is fixedly connected with the lower side of the transmission, the front end wall of the steering box 62 is rotatably provided with a hollow blowing rotating shaft 60 extending rightwards, the front side of the hollow blowing rotating shaft 60 is fixedly connected with a rotating box 59, the rear end wall of the rotating box 59 is rotatably provided with a speed regulating rotating shaft 61 penetrating through the hollow blowing rotating shaft 60 and extending leftwards to the steering box 62, a driving speed regulating bevel gear 58 fixedly connected with the speed regulating rotating shaft 61 is arranged in the rotating box 59, six fan blade rotating shafts 47 are arranged around the rotating box 59 in an equiangular rotation manner, a driven speed regulating bevel gear 57 fixedly connected with the fan blade rotating shafts 47 and meshed with the driving speed regulating bevel gear 58 is arranged in the rotating box 59, fan blades 46 are fixedly arranged outside the fan blade rotating shafts 47, a driven blowing bevel gear 56 fixedly connected with the hollow blowing rotating shaft 60 and meshed with the driving blowing bevel gear 71 is arranged in the steering box, the utility model discloses a fan blade of speed governing rotation, including the fan blade 46, the rotation case 59, the hollow steering shaft 44, the rotation case 62 is equipped with the rotation shaft that turns to 62, be equipped with in the steering case 62 with the rear side of speed governing rotation shaft 61 passes through the integral key shaft 68 that spline sleeve 70 is connected, spline shaft 68 rear side be equipped with can with the regulation bevel gear 69 of initiative bevel gear 71 meshing of blowing, thereby hollow steering shaft 44 drives turn to the case 62 and rotate and drive the flabellum 46 the rotation case 59 turns to, the transmission shaft 41 that blows rotates and drives flabellum 46 the rotation case 59 rotates and blows, adjust bevel gear 69 with the initiative bevel gear 71 meshing of blowing drives initiative bevel gear 58, driven speed governing bevel.
Beneficially, the blowing assembly further comprises a dovetail sliding groove 64 located at the lower end wall of the steering box 62, a dovetail sliding block 67 connected with the spline shaft 68 through a bearing is slidably arranged in the dovetail sliding groove 64, an electromagnet 63 is arranged at the front side of the dovetail sliding groove 64, an iron block 66 matched with the electromagnet 63 is arranged at the front side of the dovetail sliding block 67, the front side of the dovetail sliding block 67 is connected with the front end wall of the dovetail sliding groove 64 through a return spring 65, the adjusting bevel gear 69 is not meshed with the active blowing bevel gear 71 when the electromagnet 63 is not electrified, the adjusting bevel gear 69 is meshed with the active blowing bevel gear 71 when the electromagnet 63 is electrified, a worm wheel 36 fixedly connected with the upper side of the hollow steering shaft 44 is arranged in the transmission cavity 38, a left rotating shaft 43 and a right rotating shaft 43 are rotatably mounted on the right end wall of the transmission cavity 38, a worm 42 meshed with the worm wheel 36 and a worm located on the left 42 right side, transmission chamber 38 right end wall fixed mounting has a bracing piece 55, rotate on the bracing piece 55 and install steering drive shaft 50, steering drive shaft 50 rear side fixed mounting have can with two fan-shaped face gear 48 of positive and negative rotation gear 49 meshing, it is equipped with the communicating vent 45 with the external world to detect the chamber 18 rear end wall, fan-shaped face gear 48 and left side drive when positive and negative rotation gear 49 meshes the left and right axis of rotation 43 corotation, fan-shaped face gear 48 and right side drive when positive and negative rotation gear 49 meshes the left and right axis of rotation 43 reversal, thereby drive hollow steering shaft 44 the turn to the case 62 positive and negative rotation.
Advantageously, the lifting assembly comprises a fixed sand box 33 fixedly installed on the upper side of the lifting cavity 11, a lifting rotating shaft 32 and a driving shaft 27 located in front of the lifting rotating shaft 32 and extending to the right of the driving cavity 30 are rotatably installed on the right end wall of the lifting cavity 11, a sector gear 31 fixedly connected with the lifting rotating shaft 32 and a reel 12 located on the left side of the sector gear 31 are arranged in the lifting cavity 11, a connecting line 15 is wound on the reel 12, a movable sand box 16 is fixedly connected to the lower side of the connecting line 15, a lifting gear 34 fixedly connected with the driving shaft 27 and engaged with the reel 12 is arranged in the lifting cavity 11, the lifting gear 34 is engaged with the lifting rotating shaft 32 to drive the reel 12 to wind, the movable sand box 16 is lifted, the reel 12 is paid off due to the gravity of the movable sand box 16 when the lifting gear 34 is not engaged with the lifting rotating shaft 32, the movable sandbox 16 is lowered.
Beneficially, the lifting assembly further comprises a telescopic tube 13 connecting the lower opening of the fixed sandbox 33 and the upper opening of the movable sandbox 16, the upper opening of the movable sandbox 16 is fixedly provided with a vertical rod 14 positioned in the telescopic tube 13, a piston 72 is arranged in the lower opening of the fixed sandbox 33, the upper side of the piston 72 is connected with the lower end wall of the fixed sandbox 33 through a piston spring 73, when the movable sandbox 16 slides upwards, the vertical rod 14 jacks up the piston 72, the piston spring 73 stretches, sand in the fixed sandbox 33 falls into the movable sandbox 16, and when the movable sandbox 16 descends, the piston 72 is matched with the lower opening of the fixed sandbox 33 again due to the action of the piston spring 73.
Advantageously, said transmission assembly comprises a motor 26 fixedly connected to the right end wall of said drive chamber 30 and in dynamic connection with said drive shaft 27, a fixed clamp 17 is fixedly connected with the left end wall of the detection cavity 18, a clamp rotating shaft 21 which is positioned on the same horizontal line with the fixed clamp 17 is rotatably arranged on the right end wall of the driving cavity 30, a rotary clamp 19 and an intermittent gear 20 positioned at the right side of the rotary clamp 19 are fixedly connected to the clamp rotating shaft 21, the right end wall of the driving chamber 30 is rotatably installed with a torsion transmission shaft 22 positioned at the upper side of the clamp rotating shaft 21, the torsion transmission shaft 22 is fixedly connected with a single-tooth gear 23 meshed with the intermittent gear 20, the single-tooth gear 23 drives the clamp rotating shaft 21 to rotate once when rotating for a circle, namely, when the movable sandbox 16 ascends and descends for a period, the rotating clamp 19 drives the steel wire to twist once.
Advantageously, the transmission assembly further comprises two torsion pulleys 25 connected by a torsion belt 24, fixedly connected to the drive shaft 27 and to the torsion transmission shaft 22 respectively, a blowing driven shaft 37 positioned at the front side of the supporting rod 55 is rotatably installed on the right end wall of the transmission cavity 38, the blowing driven shaft 37 and the driving shaft 27 are respectively fixedly provided with a blowing belt pulley 28 connected through a blowing belt 29, a driving bevel gear 39 and a driving steering bevel gear 51 positioned at the rear side of the driving bevel gear 39 are fixedly connected to the blowing driven shaft 37, a driven steering bevel gear 52 engaged with the driving steering bevel gear 51 is fixedly connected to the front side of the steering transmission shaft 50, a driven transmission bevel gear 40 which is fixedly connected with the upper side of the blowing transmission shaft 41 and is meshed with the driving transmission bevel gear 39 is arranged in the transmission cavity 38.
In the initial state, the piston 72 is matched with the lower opening of the fixed sandbox 33, the piston spring 73 is in the normal stretching state, the electromagnet 63 is not electrified, the return spring 65 is in the normal stretching state, and the adjusting bevel gear 69 is not meshed with the active blowing bevel gear 71.
At the beginning of operation, the steel wire is fixed by the fixing clamp 17 and the rotating clamp 19, the motor 26 is started to rotate the driving shaft 27, thereby rotating the blowing pulley 28, thereby rotating the blowing driven shaft 37, thereby rotating the driving bevel gear 39, thereby rotating the driven bevel gear 40, thereby rotating the blowing transmission shaft 41, thereby rotating the driving bevel gear 71, thereby rotating the driven bevel gear 56, thereby rotating the hollow blowing rotating shaft 60, thereby rotating the rotating box 59, the fan blades 46, and simultaneously the blowing driven shaft 37 rotates the driving bevel gear 51, thereby rotating the driven bevel gear 52, thereby rotating the steering transmission shaft 50, thereby rotating the fan-shaped face gear 48, and the left and right rotating shafts 43 are rotated when the fan-shaped face gear 48 is engaged with the left forward and reverse rotating gear 49, the sector face gear 48, when engaged with the right forward/reverse gear 49, drives the left/right rotating shaft 43 to rotate in reverse, thereby driving the worm 42 to rotate in forward/reverse, thereby driving the worm wheel 36 to rotate in forward/reverse, thereby driving the hollow steering shaft 44 to rotate in forward/reverse, thereby driving the steering box 62 to rotate, when the wind speed needs to be adjusted, the electromagnet 63 is energized, attracting the iron block 66, the return spring 65 is compressed, the adjustment bevel gear 69 is engaged with the driving blow bevel gear 71, the driving blow bevel gear 71 drives the adjustment bevel gear 69 to rotate, thereby driving the spline shaft 68 to rotate, thereby driving the speed adjustment rotating shaft 61 to rotate, thereby driving the driving speed adjustment bevel gear 58 to rotate, thereby driving the driven speed adjustment bevel gear 57 to rotate, thereby driving the blade rotating shaft 47 to rotate, thereby driving the blade 46 to rotate the adjustment angle, and the driving shaft 27 drives the lifting gear 34, the movable sandbox 16 rises upwards, the piston 72 is jacked upwards by the vertical rod 14, the piston spring 73 is stretched, sand in the fixed sandbox 33 falls into the movable sandbox 16, when the lifting gear 34 is not meshed with the lifting rotating shaft 32, the reel 12 is paid off under the action of the gravity of the movable sandbox 16, the movable sandbox 16 descends, the piston 72 is matched with the lower opening of the fixed sandbox 33 again under the action of the piston spring 73, the movable sandbox 16 descends to impact a steel wire, meanwhile, the driving shaft 27 drives the twisting belt pulley 25 to rotate, so that the twisting transmission shaft 22 is driven to rotate, the single-tooth gear 23 is driven to rotate, the rotating clamp rotating shaft 21 is driven to rotate once when the single-tooth gear 23 rotates for one circle, namely, the rotating clamp 19 drives the steel wire to twist once when the movable sandbox 16 rises.
The beneficial effects are that: the device simple structure, convenient operation, the device is at the during operation, twist reverse the steel wire after pressing from both sides tight steel wire through anchor clamps gradually, the subassembly of blowing simultaneously imitates external environment and bloies to the steel wire, the subassembly of blowing can adjust wind-force size as required, the sand in the fixed sandbox falls into movable sandbox when the lifting unit goes up, striking steel wire when the activity sandbox descends, the steel wire that detects under the effect of blowing and external force striking twists reverse fatigue strength, more accords with the state that the bridge worked under actual environment.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a bridge steel wire torsional fatigue strength detection device, includes the main part, its characterized in that: a detection cavity is arranged in the main body, a blowing assembly is arranged in the detection cavity, a lifting cavity is communicated with the upper side of the detection cavity, a lifting assembly is arranged in the lifting cavity, a driving cavity is arranged on the right side of the lifting cavity, a transmission assembly is arranged in the driving cavity, a transmission cavity communicated with the driving cavity is arranged on the rear side of the lifting cavity, the blowing assembly comprises a hollow steering shaft which is rotatably arranged on the lower end wall of the transmission cavity and extends downwards to the detection cavity, a steering box is fixedly arranged on the lower side of the hollow steering shaft, a blowing transmission shaft which penetrates through the hollow steering shaft and extends upwards to the transmission cavity is rotatably arranged on the upper end wall of the steering box, a driving blowing bevel gear fixedly connected with the lower side of the blowing transmission shaft is arranged in the steering box, a hollow blowing rotating shaft which extends rightwards is rotatably arranged on the front end wall of the steering box, and, the rear end wall of the rotating box is rotatably provided with a speed regulating rotating shaft which penetrates through the hollow blowing rotating shaft and extends leftwards to the steering box, a driving speed-regulating bevel gear fixedly connected with the speed-regulating rotating shaft is arranged in the rotating box, six fan blade rotating shafts are arranged around the rotating box in an equiangular rotation manner, a driven speed regulating bevel gear which is fixedly connected with the rotating shaft of the fan blade and is meshed with the driving speed regulating bevel gear is arranged in the rotating box, the outer side of the rotating shaft of the fan blade is fixedly provided with the fan blade, the steering box is internally provided with a driven blowing bevel gear which is fixedly connected with the hollow blowing rotating shaft and is meshed with the driving blowing bevel gear, the steering box is internally provided with a spline shaft connected with the rear side of the speed regulation rotating shaft through a spline sleeve, and the rear side of the spline shaft is provided with an adjusting bevel gear capable of being meshed with the active blowing bevel gear.
2. The bridge steel wire torsional fatigue strength detection device of claim 1, characterized in that: the blowing assembly further comprises a dovetail sliding groove positioned on the lower end wall of the steering box, a dovetail sliding block connected with the spline shaft through a bearing is arranged in the dovetail sliding groove in a sliding manner, an electromagnet is arranged on the front side of the dovetail sliding groove, an iron block matched with the electromagnet is arranged on the front side of the dovetail sliding block, the front side of the dovetail sliding block is connected with the front end wall of the dovetail sliding groove through a reset spring, a worm wheel fixedly connected with the upper side of the hollow steering shaft is arranged in the transmission cavity, a left rotating shaft and a right rotating shaft are rotatably arranged on the right end wall of the transmission cavity, a worm meshed with the worm wheel and two forward and reverse gears positioned on the right side of the worm are fixedly connected to the left rotating shaft and the right rotating shaft, a support rod is fixedly arranged on the right end wall of the transmission cavity, a steering transmission shaft is rotatably arranged on the support rod, and the rear end wall of the detection cavity is provided with a vent communicated with the outside.
3. The bridge steel wire torsional fatigue strength detection device of claim 1, characterized in that: lifting unit includes fixed mounting and is in the fixed sandbox of lift chamber upside, lift chamber right-hand member wall rotates installs the lift axis of rotation and is located lift axis of rotation front side and extends to right drive chamber's drive shaft, the lift intracavity be equipped with lift axis of rotation fixed connection's sector gear and be located the left reel of sector gear, around there being the connecting wire on the reel, connecting wire downside fixedly connected with activity sandbox, the lift intracavity be equipped with drive shaft fixed connection and with reel meshing elevating gear.
4. The bridge steel wire torsional fatigue strength detection device of claim 3, characterized in that: the lifting assembly is characterized by further comprising a telescopic pipe connected with an opening at the lower side of the fixed sandbox and an opening at the upper side of the movable sandbox, a vertical rod in the telescopic pipe is fixedly arranged at the opening at the upper side of the movable sandbox, a piston is arranged in the opening at the lower side of the fixed sandbox, and the upper side of the piston is connected with the lower end wall of the fixed sandbox through a piston spring.
5. The bridge steel wire torsional fatigue strength detection device of claim 4, characterized in that: drive assembly include with drive chamber right-hand member wall fixed connection and with the motor that drive shaft power is connected, detect chamber left end wall fixedly connected with mounting fixture, drive chamber right-hand member wall rotate install with mounting fixture is located same water flat line's anchor clamps axis of rotation, fixedly connected with rotates anchor clamps and is located in the anchor clamps axis of rotation intermittent type gear on right side, drive chamber right-hand member wall rotates and installs and is located the torsional transmission shaft of anchor clamps axis of rotation upside, torsional transmission epaxial fixedly connected with intermittent type gear meshing's monodentate gear.
6. The bridge steel wire torsional fatigue strength detection device of claim 5, characterized in that: the drive assembly still include with the drive shaft twist reverse two belt pulleys that twist reverse transmission shaft fixed connection respectively through twisting the belt and connect, transmission chamber right-hand member wall rotates and installs and be located the driven shaft of blowing of bracing piece front side, the driven shaft of blowing the drive shaft in respectively fixed mounting have the belt pulley of blowing through blowing the belt connection, fixedly connected with initiative transmission bevel gear and being located on the driven shaft of blowing the initiative transmission bevel gear rear side turn to bevel gear, turn to transmission shaft front side fixedly connected with the driven bevel gear that turns to the meshing of initiative transmission bevel gear, be equipped with in the transmission chamber with blow transmission shaft upside fixed connection and with the driven transmission bevel gear that drives the transmission bevel gear meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753446.7A CN111829900A (en) | 2020-07-30 | 2020-07-30 | Bridge steel wire torsional fatigue strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753446.7A CN111829900A (en) | 2020-07-30 | 2020-07-30 | Bridge steel wire torsional fatigue strength detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111829900A true CN111829900A (en) | 2020-10-27 |
Family
ID=72920667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010753446.7A Withdrawn CN111829900A (en) | 2020-07-30 | 2020-07-30 | Bridge steel wire torsional fatigue strength detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111829900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115453304A (en) * | 2022-09-06 | 2022-12-09 | 无锡卓海科技股份有限公司 | Over-360-degree rotating platform equipment for wafer detection and operation method thereof |
-
2020
- 2020-07-30 CN CN202010753446.7A patent/CN111829900A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115453304A (en) * | 2022-09-06 | 2022-12-09 | 无锡卓海科技股份有限公司 | Over-360-degree rotating platform equipment for wafer detection and operation method thereof |
| CN115453304B (en) * | 2022-09-06 | 2023-09-22 | 无锡卓海科技股份有限公司 | Super 360-degree rotating platform equipment for wafer detection and operation method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201027 |
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| WW01 | Invention patent application withdrawn after publication |