CN109594848A - A kind of large span awning device - Google Patents
A kind of large span awning device Download PDFInfo
- Publication number
- CN109594848A CN109594848A CN201910056405.XA CN201910056405A CN109594848A CN 109594848 A CN109594848 A CN 109594848A CN 201910056405 A CN201910056405 A CN 201910056405A CN 109594848 A CN109594848 A CN 109594848A
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- Prior art keywords
- slip mat
- skidding
- driving
- support
- fixed
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- 244000152100 Sorbus torminalis Species 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009412 basement excavation Methods 0.000 abstract 1
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/58—Closures; Awnings; Sunshades
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/54—Covers of tents or canopies
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/64—Tent or canopy cover fastenings
Abstract
The embodiment of the invention discloses a kind of large span awning devices, belong to protection and blocks apparatus field, its drip irrigation device includes at least one block unit, the block unit includes first support, second support, block cloth and driving device, first support and second support are arranged in parallel, slideway is connected between the first support and second support, described block cloth one end is fixedly connected with first support, the other end is slidably connected to slideway, the driving device can drive the block cloth movable end to slide along the slideway, it can be carried out in earth excavation and foundation pit construction dust-proof, sun-proof and noise reduction, sunshade can also be carried out applied to outdoor sport place, it is sun-proof, with convenient for disassembly and assembly, easily operated advantage.
Description
Technical field
The present invention relates to protection to block apparatus field, and in particular to a kind of large span awning device.
Background technique
Outdoors in work progress, it is also easy to produce fugitive dust, adverse effect is caused to environment, is applied in progress ground construction, tunnel
It during work needs that top block to realize dust-proof effect, it is therefore desirable to which one kind can not influence normal construction
In the case where fast, easily block carry out at the top of tunnel it is dust-proof block, dust guard.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of large span awning device, existing to solve the problems, such as.
To achieve the above object, the technical solution of the embodiment of the present invention is a kind of large span awning device, including at least one
A block unit, the block unit include first support, second support, block cloth and driving device, first support and second
Frame is arranged in parallel, and slideway, described block cloth one end and the fixed company of first support are connected between the first support and second support
It connects, the other end is slidably connected to slideway, and the driving device can drive the block cloth movable end to slide along the slideway.
As advanced optimizing, the driving device includes driving motor, transmission component, rotary drive assembly, fixed cunning
Wheel and driving wirerope, the rotary drive assembly include shaft, anti-skidding driving pulley and bearing block, and the anti-skidding driving pulley is solid
Due in shaft, the both ends of the shaft is rotationally connected on bearing block, and the transmission component input terminal is connect with driving motor, institute
The output end for stating transmission component is connect with shaft, and the driving wirerope is end to end, driving wirerope respectively with anti-skidding driving pulley,
Fixed pulley rotation connection, driving wirerope are connect up to a little less movable end with the block cloth.
As advanced optimizing, the driving device further includes tightening component, and the component of tightening includes fixed link, swings
Bar tightens wheel and back-moving spring, is rotationally connected with fixed link in the middle part of the oscillating rod, the wheel of tightening is rotationally connected with oscillating rod
Both ends, two are tightened that wheel axis is parallel with the axis of oscillating rod, and described back-moving spring one end is fixed, and the other end and oscillating rod connect
It connects, for the telescopic direction of the back-moving spring perpendicular to the axis direction of oscillating rod, bypass two tightens wheel to driving wirerope simultaneously, drives
It dynamic wirerope and tightens wheel contact position and is located at and tighten wheel in back-moving spring pulling function lower swing direction side.
As advanced optimizing, the back-moving spring is provided with adjusting component, the adjusting component far from oscillating rod one end
Including fixed plate, adjusting nut and adjusting screw rod, adjustment hole, described adjusting screw rod one end and tension are offered in the fixed plate
Spring connection, the other end pass through adjustment hole and are threadedly coupled with adjusting nut.
As advanced optimizing, non-slip mat is provided in the groove of the anti-skidding driving pulley, the non-slip mat is and prevents
The ring washer of sliding driving pulley coaxial arrangement, non-slip mat inner wall are abutted with anti-skidding driving pulley channel bottom, non-slip mat outer wall
In anti-skidding driving pulley groove.
As advanced optimizing, be provided with anti-skid chequer on the non-slip mat outer wall, the anti-skid chequer along non-slip mat outer wall with
Circumferential uniform intervals are provided with multiple centered on non-slip mat center line.
As advanced optimizing, it is provided with anti-skidding convex stupefied on the non-slip mat inner wall, the anti-skidding convex stupefied length direction is flat
For row in non-slip mat centerline direction, the channel bottom of the anti-skidding driving pulley is provided with antiskid groove, described anti-skidding convex stupefied embedding
Enter fixed in antiskid groove.
As advanced optimizing, the anti-skidding convex stupefied and antiskid groove is circumferential uniform centered on anti-skidding driving pulley axis
It is arranged at intervals with multiple groups.
As advanced optimizing, the non-slip mat side wall is abutted with the side wall of anti-skidding driving pulley groove, the non-slip mat
It is provided with fixed lobe on side wall, fixed groove is provided on the anti-skidding driving pulley trenched side-wall, the fixed lobe is inserted
Enter fixed in fixed groove.
As advanced optimizing, the non-slip mat is internally provided with reinforcing mat, and the reinforcing mat is coaxially to set with non-slip mat
The ring network set, reinforcing mat are fixed on inside non-slip mat.
The embodiment of the present invention has the advantages that
When driving device operating drives block cloth expansion, block cloth can avoid dust from blowing out hole to block above tunnel
Road is conducive to environmental protection and the health of construction personnel, while block cloth may also function as shaded effects, and construction personnel is avoided to tan severely.
Large span awning device can also be used in the outdoor court such as basketball court, tennis court and court, when poplar crosses it is more strong when, can open up
It opens block cloth and carries out sunshade, players is avoided to be tanned severely during exercise.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover
Fig. 1 is one overall structure diagram of the embodiment of the present invention；
Fig. 2 is block unit overall structure diagram；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is that component structure diagram is tightened in outstanding behaviours；
Fig. 5 is non-slip mat structure schematic diagram in the embodiment of the present invention one；
Fig. 6 is that steel cable structure schematic diagram is driven in the embodiment of the present invention two；
Fig. 7 is non-slip mat structure schematic diagram in the embodiment of the present invention three.
Appended drawing reference
1, block unit；11, first support；111, pre-embedded steel slab；12, second support；13, block cloth；131, support rod；
14, driving device；141, driving motor；142, transmission component；143, rotary drive assembly；1431, shaft；1432, anti-skidding drive
Movable pulley；14321, antiskid groove；14322, fixed groove；14323, link slot；1433, bearing block；144, fixed pulley；
145, wirerope is driven；146, component is tightened；1461, fixed link；1462, oscillating rod；1463, wheel is tightened；1464, back-moving spring；
147, component is adjusted；1471, fixed plate；1472, adjusting nut；1473, adjusting screw rod；1474, adjustment hole；148, non-slip mat；
1481, anti-skid chequer；1482, anti-skidding convex stupefied；1483, fixed lobe；1484, reinforcing mat；1485, interconnecting piece；15, slideway；151,
Mount pulley；16, protective net；17, protective fence；18, leading block；19, guard box；191, control button.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
A kind of large span awning device, including at least one block unit 1, block unit 1 include first support 11, second
Bracket 12, block cloth 13 and driving device 14, first support 11 and second support 12 are arranged in parallel, first support 11 and second support
12 structures are identical, and first support 11 and second support 12 are portal trestle, and first support 11 and 12 lower end of second support are solid
It is fixed to be arranged on pre-embedded steel slab 111, slideway 15 is connected between first support 11 and second support 12, the slideway 15 can be but
It is not limited to the wirerope that both ends are fixed with first support 11 and second support 12 respectively, 13 one end of block cloth and first support 11 are fixed
Connection, the other end are slidably connected to slideway 15, and driving device 14 can drive 13 movable end of block cloth to slide along slideway 15.
Block cloth 13 is reticulated flexible cloth, and length direction is arranged along 15 length direction of slideway, and uniform intervals are set in block cloth 13
Multiple support rods 131 are equipped with, each support rod 131 is arranged along 13 width direction of block cloth and arranges along 15 length direction of slideway.Support
Mounting pulley 151 is provided on bar 131, support rod 131 is slidably connected to slideway 15 by mounting pulley 151, makes block cloth 13 can
It is slided along slideway 15.To keep support and the sliding of block cloth 13 more stable, slideway 15 is provided with two along the width direction of block cloth 13
A and more than two, support rod 131 is slidably connected with each slideway 15 respectively.
Driving device 14 includes driving motor 141, transmission component 142, rotary drive assembly 143, fixed pulley 144 and drives
Dynamic wirerope 145, wherein rotary drive assembly 143 includes shaft 1431, anti-skidding driving pulley 1432 and bearing block 1433, anti-skidding
Driving pulley 1432 is fixed in shaft 1431, and 1431 both ends of shaft are rotationally connected on bearing block 1433, and keeps shaft
1431 is horizontal, and 142 input terminal of transmission component is connect with driving motor 141, and the output end and shaft 1431 of transmission component 142 connect
It connects, transmission component 142 can be but not limited to gear set, when driving motor 141 operates, drive shaft by transmission component 142
1431 rotations.Driving motor 141, transmission component 142 and rotary drive assembly 143 are fixed in first support 11, fixed pulley
144 settings are at 12 top of second support, and fixed 144 axis vertical of pulley, driving wirerope 145 is end to end, and driving wirerope 145 divides
It is not rotatablely connected with anti-skidding driving pulley 1432, fixed pulley 144, drives and a little connect with the movable end of block cloth 13 on wirerope 145
It connects, drives driving wirerope 145 to rotate when the rotation of anti-skidding driving pulley 1432, to drive the movable end of block cloth 13 along slideway 15
Sliding, driving motor 141 use clockwise and anticlockwise motor, and driving motor 141 can realize the expansion of block cloth 13 and pack up when running.
Driving device 14 further includes tightening component 146, tightens component 146 and includes fixed link 1461, oscillating rod 1462, tightens
Wheel 1463 and back-moving spring 1464 tighten component 146 and include fixed link 1461, oscillating rod 1462, tighten wheel 1463 and tense bullet
Spring 1464, fixed link 1461 are fixed in first support 11, and fixed link 1461 is rotationally connected in the middle part of oscillating rod 1462, are stretched tight
Bearing up pulley 1463 is rotationally connected with 1462 both ends of oscillating rod, and two to tighten 1463 axis of wheel parallel with the axis of oscillating rod 1462,
1464 one end of back-moving spring is fixed, and the other end is connect with oscillating rod 1462, and the telescopic direction of back-moving spring 1464 is perpendicular to swing
The axis direction of bar 1462, driving wirerope 145 tighten wheel 1463 simultaneously around two, and driving wirerope 145 connects with wheel 1463 is tightened
Touching position, which is located at, tightens wheel 1463 in 1464 pulling function lower swing direction side of back-moving spring.Tightening device can make to drive steel
Cable 145 is in tensioned state, and the driving loosening of wirerope 145 is avoided to cause to produce between anti-skidding driving pulley 1432 and driving wirerope 145
Raw opposite sliding.
Preferably, back-moving spring 1464 is provided with far from 1462 one end of oscillating rod and adjusts component 147, adjusts component 147 and wraps
Fixed plate 1471, adjusting nut 1472 and adjusting screw rod 1473 are included, fixed plate 1471 is fixed in first support 11, fixed plate
Adjustment hole 1474 is offered on 1471,1473 one end of adjusting screw rod is connect with back-moving spring 1464, and the other end passes through adjustment hole
1474 are threadedly coupled with adjusting nut 1472, by the elastic tensioning for rotating the adjustable back-moving spring 1464 of adjusting nut 1472
Dynamics, and then the tensioning dynamics of driving wirerope 145 is adjusted, rotating adjusting nut 1472 can be passed through when driving wirerope 145 to loosen
It is tensioned.
Preferably, non-slip mat 148 is provided in the groove of anti-skidding driving pulley 1432, non-slip mat 148 uses flexible material,
Non-slip mat 148 can be but not limited to rubber material, and non-slip mat 148 is made to have good skid resistance, and non-slip mat 148 is and prevents
The ring washer that sliding driving pulley 1432 is coaxially disposed, 148 inner wall of non-slip mat are abutted with anti-skidding 1432 channel bottom of driving pulley,
148 outer wall of non-slip mat is located in anti-skidding 1432 groove of driving pulley.In use, the outer wall of non-slip mat 148 is supported with driving wirerope 145
It connects, when the rotation of anti-skidding driving pulley 1432, non-slip mat 148, which can play, prevents anti-skidding driving pulley 1432 and driving wirerope
145 occur the effect of opposite sliding, reduce the function loss that opposite sliding generates.
More preferably, it is provided with anti-skid chequer 1481 on 148 outer wall of non-slip mat, anti-skid chequer 1481 can be strip pattern or waveform
Line, along 148 outer wall of non-slip mat, the circumferential uniform intervals centered on 148 center line of non-slip mat are provided with multiple anti-skid chequer 1481, prevent
Sliding line 1481 can further increase the frictional force of non-slip mat 148.
It is provided with anti-skidding convex stupefied 1482, anti-skidding convex stupefied 1482 on 148 inner wall of non-slip mat and is parallel to non-slip mat for length direction
The strip fin of 148 centerline directions, the channel bottom of anti-skidding driving pulley 1432 is provided with antiskid groove 14321, anti-skidding
It is fixed in convex stupefied 1482 insertion antiskid groove 14321, anti-skidding convex stupefied 1482 and antiskid groove 14321 with anti-skidding driving pulley 1432
Circumferential uniform intervals are provided with multiple groups centered on axis, anti-skidding convex stupefied 1482 and the cooperation of antiskid groove 14321 can play and avoid
The effect produced relative sliding between non-slip mat 148 and anti-skidding driving pulley 1432.
For the cooperation for further enhancing non-slip mat 148 Yu anti-skidding driving pulley 1432, non-slip mat 148 and anti-skidding driving are avoided
Pulley 1432 produces relative sliding, and 148 width of non-slip mat is of same size with anti-skidding 1432 groove of driving pulley, makes non-slip mat
148 side walls are abutted with the side wall of anti-skidding 1432 groove of driving pulley, are provided with fixed lobe 1483 on 148 side wall of non-slip mat, are prevented
Fixed groove 14322 is provided on sliding 1432 trenched side-wall of driving pulley, fixed lobe 1483 is inserted into solid in fixed groove 14322
It is fixed.
For the intensity for enhancing non-slip mat 148, non-slip mat 148 is avoided to be broken in the long-term use, non-slip mat 148
It is internally provided with reinforcing mat 1484, reinforcing mat 1484 is the ring network being coaxially disposed with non-slip mat 148, and reinforcing mat 1484 is fixed on
Inside non-slip mat 148, reinforcing mat 1484 is wire netting or nylon gauze, and reinforcing mat 1484 can enhance the entirety of non-slip mat 148
Property, make non-slip mat 148 that there is good tensile resistance.It, can be directly by reinforcing mat 1484 when non-slip mat 148 is rubber material
It is moulded in inside non-slip mat 148, is fitted close reinforcing mat 1484 and protective pad.
It should be noted that it is V-type, trapezoidal, rectangular that anti-skidding driving pulley 1432, which can be but not limited to trench cross-section,
The pulley of shape or inverted trapezoidal, as long as being that by the pulley for driving driving wirerope 145 to rotate may each be anti-skidding driving pulley
1432 one kind.
Settable guard box 19 on first support frame 11, driving motor 141, transmission component 142, rotary drive assembly 143
And the power supply of driving motor 141 is installed in guard box 19, guard box 19 can play protective action, be arranged on guard box 19
There is control button 191, control button 191 is connect with the power supply of driving motor 141, can not open guarantor by control button 191
The operating of direct controlling and driving motor 141, easy to use, safe in the case where protecting box 19.
A kind of large span awning device provided in an embodiment of the present invention can play good dust-proof anti-in construction
Effect is shone, and convenient for expansion and can be packed up, large span awning device can be made of two or more block units 1,
It is set side by side between each block unit 1 along 13 width direction of block cloth, to be suitable for the tunnel construction of different in width, the present invention is real
A kind of large span awning device for applying example offer is equally applicable to the ceiling in outdoor court, plays shaded effects.
It is provided with protective net 16 in first support 11 and second support 12, in tunnel construction, can play prevents hole stranger
The effect that member falls, while preferably preventing from falling effect to reach, it is located at 13 width direction of block cloth on large span awning device
Both ends, be respectively arranged with protective fence 17,17 both ends of protective fence are fixedly connected with first support 11 and second support 12 respectively.
Embodiment two
The present embodiment is substantially the same with embodiment one, and only Partial Feature has differences, and is only carried out below to difference detailed
It is thin to introduce:
Fixed pulley 144 is set to 11 top of first support far from 14 one end of driving device, the second support frame top both ends
Be respectively arranged with leading block 18, driving wirerope 145 respectively with anti-skidding driving pulley 1432, the fixed rotation connection of pulley 144 and
Two leading blocks 18 on the second support frame are bypassed respectively, and moving direction always distinguish by identical two o'clock on driving wirerope 145
It is fixedly connected with the movable end of block cloth 13, when driving the movable end movement of block cloth 13 by driving wirerope 145, block cloth 13 can be made
Movable end remains translation, avoids run-off the straight.
Embodiment three
The present embodiment is substantially the same with embodiment one, and only Partial Feature has differences, and is only carried out below to difference detailed
It is thin to introduce:
Interconnecting piece 1485 is provided on 148 inner wall of non-slip mat, interconnecting piece 1485 is to be with anti-skidding 1432 axis of driving pulley
The channel bottom of the annular protrusion that center is arranged along 148 inner wall of non-slip mat, anti-skidding driving pulley 1432 is offered along anti-skidding driving
One week link slot of groove 14323 of pulley 1432, interconnecting piece 1485 are inserted into link slot 14323 and fix, interconnecting piece 1485
Being arranged can make non-slip mat 148 and the cooperation of anti-skidding driving pulley 1432 even closer, play the good non-slip mat 148 and anti-of preventing
The effect that sliding driving pulley 1432 produces relative sliding, also, interconnecting piece 1485 can increase by 148 interior thickness of non-slip mat, increase
The wear allowance of non-slip mat 148, making non-slip mat 148, the service life is longer.
Preferably, the cross section of interconnecting piece 1485 is by close to anti-skidding 1432 axle center side of driving pulley to separate anti-skidding driving
1432 axle center side tapering width of pulley, keeps interconnecting piece 1485 and the cooperation of link slot 14323 even closer, antiskid effect
More preferably, it while can be avoided under biggish twisting force between 148 portion of non-slip mat and the generation of anti-skidding driving pulley 1432
Gap.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of large span awning device, which is characterized in that including at least one block unit (1), block unit (1) packet
Include first support (11), second support (12), block cloth (13) and driving device (14), first support (11) and second support (12)
Be arranged in parallel, be connected with slideway (15) between the first support (11) and second support (12), described block cloth (13) one end with
First support (11) is fixedly connected, and the other end is slidably connected to slideway (15), and the driving device (14) can drive the gear
Cloth (13) movable end is slided along the slideway (15).
2. large span awning device according to claim 1, which is characterized in that the driving device (14) includes driving electricity
Machine (141), transmission component (142), rotary drive assembly (143), fixed pulley (144) and driving wirerope (145), the rotation
Driving assembly (143) includes shaft (1431), anti-skidding driving pulley (1432) and bearing block (1433), the anti-skidding driving pulley
(1432) it is fixed on shaft (1431), shaft (1431) both ends are rotationally connected on bearing block (1433), the transmission
Component (142) input terminal is connect with driving motor (141), and the output end of the transmission component (142) is connect with shaft (1431),
The driving wirerope (145) is end to end, driving wirerope (145) respectively with anti-skidding driving pulley (1432), fixed pulley (144)
Rotation connection, driving wirerope (145) are connect up to a little less movable end with the block cloth (13).
3. large span awning device according to claim 2, which is characterized in that the driving device (14) further includes tightening
Component (146), the component (146) of tightening include fixed link (1461), oscillating rod (1462), tighten wheel (1463) and tense bullet
Spring (1464), oscillating rod (1462) middle part is rotationally connected with fixed link (1461), described to tighten wheel (1463) rotation connection
In oscillating rod (1462) both ends, two parallel with the axis of oscillating rod (1462), tension bullets of tightening wheel (1463) axis
Spring (1464) one end is fixed, and the other end is connect with oscillating rod (1462), the telescopic direction of the back-moving spring (1464) perpendicular to
The axis direction of oscillating rod (1462), driving wirerope (145) are tightened wheel (1463) around two simultaneously, drive wirerope (145) and
Tighten wheel (1463) contact position be located at tighten wheel (1463) in back-moving spring (1464) pulling function lower swing direction side.
4. large span awning device according to claim 3, which is characterized in that the back-moving spring (1464) is far from swing
Bar (1462) one end, which is provided with, adjusts component (147), and the adjusting component (147) includes fixed plate (1471), adjusting nut
(1472) and adjusting screw rod (1473) adjustment hole (1474), the adjusting screw rod, are offered on the fixed plate (1471)
(1473) one end is connect with back-moving spring (1464), and the other end passes through adjustment hole (1474) and adjusting nut (1472) screw thread connects
It connects.
5. large span awning device according to claim 2, which is characterized in that the ditch of the anti-skidding driving pulley (1432)
It is provided in slot non-slip mat (148), the non-slip mat (148) is the air ring being coaxially disposed with anti-skidding driving pulley (1432)
Circle, non-slip mat (148) inner wall are abutted with anti-skidding driving pulley (1432) channel bottom, and non-slip mat (148) outer wall is located at anti-skidding drive
In movable pulley (1432) groove.
6. large span awning device according to claim 5, which is characterized in that be arranged on non-slip mat (148) outer wall
Have anti-skid chequer (1481), the anti-skid chequer (1481) is circumferential centered on non-slip mat (148) center line along non-slip mat (148) outer wall
Uniform intervals are provided with multiple.
7. large span awning device according to claim 5, which is characterized in that be arranged on non-slip mat (148) inner wall
Have anti-skidding convex stupefied (1482), anti-skidding convex stupefied (1482) length direction is parallel to non-slip mat (148) centerline direction, described anti-
The channel bottom of sliding driving pulley (1432) is provided with antiskid groove (14321), and described anti-skidding convex stupefied (1482) insertion is anti-skidding recessed
It is fixed in slot (14321).
8. large span awning device according to claim 7, which is characterized in that anti-skidding convex stupefied (1482) and anti-skidding recessed
Slot (14321) circumferential uniform intervals centered on anti-skidding driving pulley (1432) axis are provided with multiple groups.
9. large span awning device according to claim 5, which is characterized in that non-slip mat (148) side wall with it is anti-skidding
The side wall of driving pulley (1432) groove abuts, and is provided with fixed lobe (1483) on non-slip mat (148) side wall, described anti-
It is provided with fixed groove (14322) on sliding driving pulley (1432) trenched side-wall, the fixed lobe (1483) is inserted into anchor
It is fixed in slot (14322).
10. large span awning device according to claim 5, which is characterized in that the non-slip mat (148) is internally provided with
Reinforcing mat (1484), the reinforcing mat (1484) are the ring network being coaxially disposed with non-slip mat (148), and reinforcing mat (1484) is fixed
It is internal in non-slip mat (148).
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| CN110158979A (en) * | 2019-06-19 | 2019-08-23 | 北京蓝天未来科技有限公司 | A kind of self-balancing sunshade canopy of the heavens |
| CN110552513A (en) * | 2019-08-01 | 2019-12-10 | 中国一冶集团有限公司 | Foundation trench earth and stone square operation dustproof shed and erection method |
| CN114308976A (en) * | 2021-12-09 | 2022-04-12 | 中建三局集团有限公司 | Special-shaped foundation pit dustproof canopy and installation and use method thereof |
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