CN116037600B - Unit type intelligent protective awning - Google Patents

Abstract

The invention relates to a unit type intelligent protective awning, which comprises a horizontal sliding rail and a plurality of sliding block structures, wherein the horizontal sliding rail and the sliding block structures are arranged on a first bracket and a second bracket which are arranged at intervals; at least two layers of steel wire ropes are connected to the sliding block structure; the upper layer steel wire rope is penetrated with a dust suppression curtain, and the lower layer steel wire rope is provided with an arch-shaped supporting device for supporting the dust suppression curtain; the driving device arranged on the first bracket and the second bracket drives the sliding block structure to move along the sliding rail; the driving device comprises a driving motor, a driving wheel, a first driven wheel, a second driven wheel and two guide wheels, wherein a wire pulling rope penetrates through the driving wheel, the first driven wheel, the second driven wheel and the two guide wheels and then penetrates through all sliding block structures to form a wire pulling loop, and the wire pulling rope is fixedly connected with a sliding block structure which is positioned at the extreme side of one end of the sliding rail. The protective awning can be automatically folded and unfolded, and meanwhile, the dust suppression curtain is supported, so that the reduction of the height of the protective awning caused by sagging of the dust suppression curtain during folding is avoided.

Description

Unit type intelligent protective awning

Technical Field

The invention relates to the field of buildings, in particular to a protective awning for dust suppression in a construction site, and specifically relates to a unit intelligent protective awning capable of dust suppression.

Background

In construction sites, particularly when earth excavation is involved, dust generated is large, and dust suppression and dust prevention are needed. Especially when constructing a building-dense site, dust pollution is caused to surrounding office sites if the dust is large. Chinese patent CN212295717U discloses a protective awning device, which adopts a slideway, a truss and a driving device, and drives the truss to drive the dust screen to fold along the slideway through the driving device. This patent is convenient draws in, but can't open the dust screen voluntarily. The movable dust screen disclosed in chinese patent 20212168514. X adopts two sets of sliding components and driving devices to drive the dust screen to be folded from two sides to the middle or unfolded from the middle to two sides. Although the dust screen can be automatically folded and unfolded, the number of sliding assemblies and driving devices which are sequentially and slowly arranged is relatively large, and the structure is relatively complex.

And the dustproof sky curtain of above-mentioned disclosed technical scheme presses down the dust curtain and all sags certain height after drawing in to reduce the height of protective awning, lead to when building protective awning, must consider the sag height of pressing down the dust curtain when drawing in, make the whole height of protective awning need increase presses down the sag height of dust curtain and just can of drawing in.

Disclosure of Invention

The invention aims to solve the technical problem that a unit type intelligent protective awning can be divided into a plurality of protective awning units, and each protective awning unit can be freely folded and unfolded through a simple driving device.

Aiming at the technical problems, the technical scheme provided by the invention is that the unit intelligent protective awning comprises a first bracket and a second bracket which are arranged at intervals, wherein horizontal sliding rails are respectively arranged on the first bracket and the second bracket, a plurality of sliding block structures are arranged on the sliding rails in a sliding manner, and the sliding block structure positioned at the extreme side of one end of the sliding rail is fixedly arranged on the sliding rail; at least two layers of steel wire ropes are fixedly arranged on the sliding block structures on the first bracket and the second bracket; the upper layer steel wire rope is penetrated with a dust suppression curtain, and the lower layer steel wire rope is provided with an arch-shaped supporting device for supporting the dust suppression curtain; driving devices are respectively arranged on the first bracket and the second bracket; the driving device comprises a driving motor, a driving wheel, a first driven wheel, a second driven wheel and two guide wheels, wherein the two guide wheels are fixedly arranged at two ends of the first support or the second support, the driving motor is positioned at the central position of the first support or the second support along the length direction, the driving wheel is fixedly arranged at the output end of the driving motor, the first driven wheel and the second driven wheel are respectively positioned at the outer side of the driving wheel, a wire pulling rope bypasses the driving wheel and then is guided by the first driven wheel and the second driven wheel respectively, and then bypasses the guide wheels to pass through the slider structure to form a wire pulling loop, and the wire pulling rope is fixedly connected with a slidable slider structure positioned at the extreme side of one end of the sliding rail.

Preferably, the arch-shaped supporting device comprises a plastic sliding bar and a plastic sliding rail which are respectively fixed on two adjacent steel wire ropes, and the plastic sliding bar is inserted into the plastic sliding rail.

Preferably, the first bracket and the second bracket comprise support columns arranged at intervals and cross beams arranged on the support columns; the support column comprises a guard column in the foundation pit or a filling pile column outside the foundation pit, a crown beam is secondarily poured on the guard column or the filling pile, a circular pipe column is fixed on the crown beam through bolts, and the cross beam is arranged on the circular pipe column.

Preferably, along the length direction of the steel wire rope, the dust suppression curtain is divided into two parts, and one end of each part is fixed on a sliding block structure on a bracket near one end of the dust suppression curtain; a traction channel is sewn at the position of a steel wire rope penetrated by the dust suppression curtain, and a plurality of blocking rings are arranged on the traction channel at intervals along the length direction of the traction channel; a traction rope is arranged in the traction channel in a penetrating way, and two ends of the traction rope are respectively positioned on the sliding block structures on the first bracket and the second bracket; a blocking block is fixedly arranged on the traction ropes positioned on two sides of the blocking ring; when the hauling rope is pulled, the blocking block on the hauling rope can drive the blocking ring to move to inhibit the movement of the dust curtain.

Preferably, the sliding block structure comprises a frame structure, wherein the frame structure comprises a horizontal supporting plate and a side plate connected and fixed on one side of the two horizontal supporting plates; at least one group of rollers are oppositely arranged on the two horizontal support plates, and the rollers can be respectively clamped on the slide rail.

Preferably, the sliding rail comprises an upper sliding groove and a lower sliding groove, and the rollers are respectively positioned in the upper sliding groove and the lower sliding groove; and fixing bolts for reinforcement are arranged on the two horizontal support plates positioned on the outer sides of the sliding rails in a penetrating way.

Preferably, an upper fixing hook and a lower fixing hook are arranged on the side plate at intervals up and down, and two layers of steel wire ropes are respectively fixed on the upper fixing hook and the lower fixing hook; the wire rope passes through the upper fixing hook.

Preferably, limit structures are respectively arranged at two ends of the sliding rail.

Preferably, a first position sensor and a second position sensor are respectively arranged on the sliding rail and are used for sensing the position of the movable sliding block structure at the extreme side of the sliding rail.

Preferably, the cross beams on the first bracket and the second bracket are respectively provided with an atomization nozzle at intervals, the atomization nozzle is connected with an atomization dust remover through a high-pressure water pipe, and the atomization dust remover is communicated with a water source.

Preferably, a plurality of swinging mechanisms are respectively arranged on the first bracket and the second bracket at intervals, and each swinging mechanism comprises a connecting rod and a swinging rod; one end of the swing rod is rotatably arranged on the first bracket or the second bracket, the other end of the swing rod is fixedly provided with the atomizing nozzle, and the swing rod is sleeved with a sliding sleeve; one end of the connecting rod is rotatably arranged on the motor rotating shaft, and the other end of the connecting rod is rotatably connected with the sliding sleeve.

The unit type intelligent protective awning can be automatically folded and unfolded according to the requirement, or the protective awning unit can be independently folded or unfolded or folded and unfolded in a linkage manner according to the requirement. Each protective awning unit folds or unfolds the dust suppression curtain through a group of driving devices, and an additional driving device is not needed, so that the structure of the driving device is simplified. Through setting up arch strutting arrangement, when drawing in and expanding, can avoid pressing down the whereabouts of dust curtain, especially when drawing in, owing to two wire rope distance probably have 2 meters, press down the highly exceeding 1.5 meters of whereabouts of dust curtain after drawing in, reduced the highly of pressing down the dust curtain when drawing in the state, through increasing arch strutting arrangement, press down the whereabouts of dust curtain when avoiding drawing in, kept pressing down the highly of dust curtain. The dust suppression curtain is divided into two parts, and the traction channel and the traction rope are added, so that the dust suppression curtain can be conveniently folded to the first bracket and the second bracket when wind power is high, and impact damage of the wind power to the protective awning is avoided; the dust removing and preventing curtain is arranged around the protective awning, so that dust can be prevented from overflowing the protective awning, and the dust contacted with the curtain can be absorbed, so that the dust content in the air is reduced; the space and the dust removal height for dust removal and atomization are enlarged or reduced through the swingable atomizing nozzle.

Drawings

Fig. 1 is a schematic structural view of each protective awning unit in a collapsed state of the protective awning.

Fig. 2 is a schematic structural view of the protective awning unit.

Fig. 3 is a schematic view of a slider structure.

Fig. 4 is a schematic diagram of a structural relationship between a slider structure and a slide rail.

Fig. 5 is a schematic view of a hauling channel and hauling rope of the dust suppression curtain.

Fig. 6 is a schematic structural view between the arch-shaped supporting device and the dust suppression curtain, wherein fig. a is a schematic structural view in an unfolded state, and fig. B is a schematic structural view in a folded state.

FIG. 7 is a schematic view of the plastic runner and plastic rail of the arch support.

Fig. 8 is a schematic view of a curtain structure.

Fig. 9 is a schematic view of the water pipe structure.

Fig. 10 is a schematic view of the lower slide bar structure.

FIG. 11 is a schematic view of the upper slide bar structure.

FIG. 12 is a schematic view of the structure of the water pipe and the upper and lower slide bars.

Fig. 13 is a schematic view of the structure of the horizontal guide rail.

Fig. 14 is a schematic structural view of the lower slide bar and the horizontal guide rail.

Fig. 15 is a schematic view of a double layer curtain structure.

Fig. 16 is a schematic view of the swing mechanism and the head structure.

Detailed Description

The above technical solution, the preferred embodiments are now described in detail with reference to the drawings.

The invention discloses a unit type intelligent protective awning, which comprises a first bracket and a second bracket which are positioned on two opposite sides of a foundation pit. Referring to fig. 1, the first and second brackets respectively include support columns 10 arranged in a row at intervals, and a cross beam 12 is provided on top of the support columns 10. The support column 10 is located in the foundation pit, the support column 10 comprises a guard pile, a filling pile is adopted outside the foundation pit, secondary concrete pouring is carried out on the top of the guard pile and the top of the filling pile to form a crown beam, and the support column 10 is formed on the crown beam through bolt fixing of a circular pipe column. A cross beam 12 is provided at the top of the rows of support columns 10. Support rib plates are fixedly connected to the periphery of the top of the support column 10 at intervals, and the cross beam 12 is fixedly connected to the top of the support column 10 and the support rib plates. The cross beam 12 is a steel truss structure.

The beam 12 is provided with a plurality of protective awning units, and the protective awning units can be independently folded and unfolded or can be folded and unfolded in a linkage way.

The protective awning unit includes: referring to fig. 2, a rail 14 is horizontally and fixedly provided in the longitudinal direction of the steel truss structure on the first and second brackets, respectively. The slide rail 14 has an i-shaped structure and comprises an upper slide groove with an upward opening and a lower slide groove with a downward opening, and the upper slide groove and the lower slide groove are horizontally arranged. A plurality of slide block structures 15 are arranged on the slide rail 14, the slide block structure 15 at the most edge of one end of the slide rail 14 is fixedly arranged on the slide rail 14, and the rest slide block structures 15 are all arranged in a sliding manner. Referring to fig. 3 and 4, the slider structure 15 includes a frame structure 151 including a horizontal support plate and a side plate connected and fixed to one side of the two horizontal support plates, and the frame structure is a three-end opening. At least one group of rollers 152 are oppositely arranged on the two horizontal support plates, and the rollers 152 are respectively clamped in the upper chute and the lower chute. The fixing bolts 153 are connected between the two horizontal support plates located on the outer side of the sliding rail, and the distance between the two horizontal support plates is reinforced through the fixing bolts, so that the sliding block structure 15 can be better arranged on the sliding rail in a sliding mode. A group of upper fixing hooks 154 and lower fixing hooks 155 are fixed on the side plates of the slide block structure 15, and the upper fixing hooks 154 and the lower fixing hooks 155 are in a circular structure. A fixed pulley (not shown) is provided below the slider structure 15.

Limiting structures are arranged at two ends of the sliding rail 14. A first position sensor and a second position sensor are provided on the cross beam near both ends of the slide rail 14. The first position sensor is used for reducing the rotating speed of the motor at the position of the sliding block structure at the extreme end of the sliding rail, and the second position sensor is used for sensing the final position of the sliding block structure at the extreme end of the sliding rail and controlling the motor to stop.

A drive device 20 is provided on the cross beam 12, the drive device 20 being mounted on a mounting bracket located on the cross beam 12. The driving device 20 includes a driving motor (not shown) provided on the driving bracket, and the driving motor employs a servo-reduction motor. A driving wheel 21 is arranged at the output end of the driving motor, a first driven wheel 22 is arranged below the driving wheel 21, and a second driven wheel 23 is arranged at one side of the driving wheel 21 and the first driven wheel 22. Support frames are respectively arranged at two ends of the cross beam 12, guide wheels (24, 25) are arranged on the support frames, and the support frames of the guide wheels (24, 25) are used for limiting the positions of the steel wire ropes. The wire rope 26 is wound on the driving wheel 21, and the directions of the two ends of the wire rope 26 wound on the driving wheel 21 are changed through the first driven wheel 22 and the second driven wheel 23 to enable the wire rope to be in a horizontal structure, so that the two ends of the wire rope 26 respectively bypass the guide wheels (24 and 25) and then pass through the upper fixing hooks 134 on the sliding block structure 15 to form a wire rope 26 loop. The sliding block structure 15 at the most edge of one end of the sliding rail 14 is fixedly connected with the wire rope 26.

The wire ropes 27 and 28 are respectively fixed on the upper fixing hook and the lower fixing hook of the slider structure 15 corresponding to the first bracket and the second bracket, so as to form two layers of wire ropes. The dust suppression curtains 30 are respectively penetrated on the steel wire ropes 27 positioned at the upper layer. The dust suppression curtain 30 is divided into two pieces along the length direction of the wire rope 27. Referring to fig. 5, a traction passage 31 is sewn along the length direction of the wire rope below the position where the dust suppression curtain 30 is penetrated through the wire rope 27. The traction channel 31 is provided with a plurality of blocking rings 311 at intervals along the length thereof, and the blocking rings 311 are made of metal. The traction rope 32 is penetrated in the traction channel 31, and the traction ropes 32 on two sides of the blocking ring 311 are respectively fixedly provided with a blocking piece 321. Both ends of the traction rope 32 are respectively fixed on the upper fixing hooks of the slider structure 15. When the dust suppression curtain 30 is fixed, two ends of the dust suppression curtain 30 are fixed on the steel wire rope 27 through U-shaped buckles respectively, and meanwhile, the traction rope 32 is tensioned, so that the dust suppression curtain 30 is tensioned on the steel wire rope 27. The dust suppression curtain 30 is tensioned on the steel wire rope 27 by the dual action of the traction rope and the U-shaped buckle.

Arch-shaped supporting devices 33 are arranged on two adjacent steel wires 28 below the dust suppression curtain 30 at intervals along the length direction. Referring to fig. 6 to 7, the arch-shaped supporting device 33 includes a plastic sliding rail 331 and a plastic sliding rail 332 respectively fixed on two adjacent steel wires 28, the plastic sliding rail 332 is penetrated in the plastic sliding rail 331, and the plastic sliding rail 332 and the plastic sliding rail 331 can slide relatively to form the arch-shaped supporting device. Because the plastic sliding strip and the plastic sliding rail are made of plastic materials and have certain elasticity and supporting strength, and because the dust suppression curtain is positioned above the plastic sliding strip, a certain downward pressure is formed on the arch supporting device, the arch supporting device can be placed to be opened upwards for separation, and the plastic sliding strip is ensured to be always inserted in the plastic sliding rail. When the dust suppression curtain is unfolded, the arch support device 33 forms an upward arch support for the dust suppression curtain, when the protective awning is folded, the plastic sliding strip 332 and the plastic sliding rail 331 relatively slide, the free ends of the plastic sliding strip extend to the obliquely lower sides of the steel wire ropes 28 respectively, the arch support device is folded along with the steel wire ropes, and the arch support device still supports the folded protective awning along with synchronous folding of the protective awning and the arch support device, so that the sagging of the dust suppression curtain is prevented, and the reduction of the height of the protective awning is avoided. Through increasing arch strutting arrangement, when designing and building the protective awning, the sag height of suppressing the dust curtain when no longer needing to consider to draw in reduces the height of protective awning, saves the material of building the protective awning, reduces the cost of building.

A wind sensor (not shown) is provided on the first or second bracket for detecting the magnitude of wind. A wind power sensor is generally arranged at about 1 ten thousand square meters. Because the typhoons in the south are more, when the wind power is large, the whole protective awning is stressed very greatly, and serious accidents of collapse of the protective awning are easily caused. Therefore, when the wind power sensor detects that the wind power exceeds the threshold value, the U-shaped buckle fixed in the middle of the protective awning is removed, the traction rope is loosened to enable the traction rope to bypass the fixed pulley on the sliding block structure, the traction rope is pulled, the blocking block 321 close to one end of the support is used for driving the blocking ring close to one end of the support in the traction channel at first, the protective awning close to the support is driven to be folded towards one end of the support first, the protective awning is folded on one side of the support gradually and orderly along with the pulling of the traction rope, and the protective awning folded on one side of the support is fixed on the cross beam through the rope, so that the wind power is prevented from impacting the awning. The two protective awning are respectively folded at the first bracket and the second bracket through the traction rope, and are bound and fixed on the cross beam.

When wind power is reduced and needs to be unfolded, the other ends of the traction ropes are pulled from the first support and the second support respectively, and under the action of the blocking blocks and the blocking rings, the folded protective awning is gradually unfolded along the steel wire rope and then locked on the steel wire rope through the U-shaped buckle. Therefore, when the wind power is high, the protective awning does not need to be taken down, and the procedures of disassembly and reinstallation are avoided.

The protective awning is also provided with a dustproof and demisting device. The dustproof defogging device comprises a dustproof defogging curtain device and a dust removing device which are arranged on the periphery of the protective awning. The dustproof defogging curtain device, referring to fig. 8 to 15, comprises a water tank 40 arranged on the ground, a horizontal guide rail 41 arranged in the water tank, and a hollow water pipe 42 arranged above the water tank. The horizontal rail 41 is provided with a groove 411 in the longitudinal direction. Opposite sides of the water pipe 42 are respectively provided with rectangular grooves 421 along the length direction thereof. A long through hole 421 is formed on the upper surface of the water pipe 42, and at least one fine hole 422 is formed on the lower surface of the water pipe 42. A water spraying pipe 423 is arranged in the water pipe 42 in a penetrating way, and a plurality of spray holes are arranged on the water spraying pipe 423. The water spraying pipe 423 is communicated with a water supply pipe, the water supply pipe is communicated with a water tank, and water is supplied to the water supply pipe through a water pump. The water tank is communicated with the water tank through a water return pipe to form a water loop.

The curtain 43 includes a lower slide 431 and an upper slide 432, and ropes 433 are respectively threaded on the lower slide 431 and the upper slide 432, and the ropes 433 are arranged in a dense manner to form the curtain 43. The rope 433 is made of water-absorbing material, and its outer peripheral surface is of floss structure. The lower slide bar 431 has a similar shape to the shape of the rectangular groove 421 of the water pipe 42, and has a circular arc-shaped groove structure with an opening end facing downward. Horizontal end plates 4311 which can be clamped on the rectangular grooves 421 are respectively formed on two sides of the opening end of the circular arc-shaped groove structure in an extending mode. A groove 4312 protruding from the top of the circular arc-shaped groove structure is formed at the top of the circular arc-shaped groove structure along the length direction, and one end of the rope 433 is arranged in the groove 4312 and passes through the groove 4312 to be positioned in the lower slide bar 431. The lower slide bar 431 is slidably disposed on the horizontal guide rail 41, and one end of the rope 433 passes through the groove 4312 and is located in the groove 411 of the horizontal guide rail 41.

The upper sliding rod 432 has a similar shape to the shape structure below the rectangular groove 421 of the water pipe 42, and is a circular arc groove structure, two sides of the opening end of the circular arc groove structure are respectively extended to form a horizontal end plate 4321 which can be clamped on the rectangular groove 421, a groove 4322 is arranged at the bottom of the circular arc groove structure along the length direction, and two ends of the groove 4322 are closed. One end of the rope 433 passes through the bottom groove 4322 of the upper slide bar 432 and is positioned in the groove 4322.

The curtain 43 is made into a unit structure, and the dustproof defogging curtain device may be composed of a plurality of curtains 43. In the installation, the water tank and the horizontal guide rail 41 positioned on the ground and the water pipe 42 positioned above the horizontal guide rail 41 are arranged around the foundation pit, a plurality of layers of water pipes 42 can be arranged according to the height of the protective awning, and a curtain 43 is arranged between two adjacent layers of water pipes 42, as shown in fig. 15. The lower slide bar 431 of the curtain 43 is slidably disposed on the horizontal guide rail 41 or the water pipe 42, so that one end of the rope 43 on the lower slide bar 431 is positioned in the groove of the horizontal guide rail 41 or the long through hole on the water pipe 42. The upper slide bar 432 is slidably disposed under the water tube 42 such that the apertures under the water tube 42 are located in the grooves 4322 on the upper slide bar 432. The water tank is filled with water, water is supplied in a water spraying pipe in the water pipe 42, water is sprayed through the water spraying pipe, the water entering the water pipe 42 enters a groove of the upper slide rod through the fine holes, and the upper end of a rope on the upper slide rod is immersed; the water is sprayed through the spray pipe, and the lower end of the rope of the lower slide bar positioned in the water pipe 42 is also sprayed or soaked in the water pipe 42. Because water is arranged in the water tank and the water pipe, the lower end of the rope of the curtain 43 absorbs water from the water tank or the water pipe due to capillary action, the upper end of the rope is wetted by spraying water through the water spraying pipe, and the rope for quickly keeping the whole curtain is wetted, so that the dustproof curtain is formed. The water is sprayed at regular time through the spray pipe, and the curtain 43 is kept in a wet state all the time. When the curtain 43 surrounds the outer periphery of the protective awning, the flying dust is absorbed by the curtain, and the water passing through the ropes slides down into the water pipe or the water tank. By providing the drain pipe to the water tank and the water pipe 42, the water tank and the water pipe 42 can be cleaned periodically.

The dust collector, set up an atomizer 50 on the crossbeam on first support and second support at intervals of 2 meters, atomizer 50 is through being linked together with the high-pressure water pipe. The high-pressure water pipe is connected with a high-pressure dust removal humidifier, and the high-pressure dust removal humidifier is communicated with a water source. The water is atomized by the high-pressure dust removal humidifier, supplied to the spray head by the high-pressure water pipe, and sprayed out by the spray head to form water mist for dust removal.

Referring to fig. 16, a swing mechanism is provided on the cross member, and the atomizing head 50 is provided on the swing mechanism. The swinging mechanism comprises a swinging rod 51 rotatably arranged on a cross beam, a sliding sleeve 52 is sleeved on the swinging rod 51, the sliding sleeve 52 is rotatably connected with one end of a connecting rod 53, the other end of the connecting rod 53 is connected with a motor (not shown) through a rotating shaft 54, and the motor is a servo driving motor. The nozzle 50 is fixedly provided at the free end portion of the swing lever 51. In fig. 16, the solid line to dotted line region is a displacement section of the swing lever 51.

When the motor rotates, the connecting rod 53 can be driven to rotate, and the sliding sleeve 52 drives the swinging rod 51 to swing along with the rotation of the connecting rod 53, so that the spray head is driven to rotate in a certain area. When dust is removed, the horizontal and vertical positions of the atomizing nozzle 50 are adjusted by the swinging mechanism according to the requirement, so that the effective dust removing space is enlarged.

Through dustproof defogging curtain device, prevent that the dust from spilling out around the protective awning, actively carry out dust removal processing to the dust in the construction site under the protective awning through dust collector.

According to the protective awning structure, when the construction site is large in area, the protective awning can be divided into a plurality of independent protective awning unit areas according to the requirements, and the protective awning of each independent protective awning unit can be folded and unfolded automatically. And the folding and unfolding of each independent area protective awning are controlled by controlling the driving device.

When the span is large, a beam can be additionally arranged between the first bracket and the second bracket, so that the steel wire rope 27 is erected on the additionally arranged beam.

And the control device is respectively provided with a distribution box on the support columns of the first support and the second support, and each servo driving motor is controlled and integrated in one servo control electric box. Each servo control electric box consists of a control box, an air switch, a four-way bidirectional feedback controller, a plc controller, a remote sensing controller, a linkage controller and a bracket, so that each independent unit area is ensured to be opened and closed independently, and a plurality of independent unit areas can be linked through control. The control assembly is integrated in the guard room, and the opening and closing or linkage of each independent unit area is controlled by the guard room control assembly.

When the protective awning is opened, a driving motor positioned on the first bracket and the second bracket is started to synchronously act, the driving motor drives a driving wheel 21 to rotate, and a wire pulling rope is driven to rotate around the first driven wheel and the second driven wheel, so that a sliding block structure at the extreme end of a sliding rail is driven to move towards one end of the sliding rail along the sliding rail, and the wire rope is synchronously driven to move; when the first position sensor senses a movable sliding block structure at the most side fixedly connected with the wire pulling rope, the driving motor is decelerated, and when the second position sensor senses the sliding block structure, the driving motor stops acting. Simultaneously, along with the displacement of the sliding block structure and the steel wire rope, the plastic sliding rail and the plastic sliding bar of the arch-shaped supporting device on the steel wire rope 28 also relatively slide and displace, and the arch-shaped supporting device is opened to form a relatively large arch-shaped support, so that the opened protective awning is supported. When the protective awning is folded, the driving motor reversely rotates, the sliding block structure moves along the sliding rail along with the rotation of the wire pulling rope, and when the sliding block structure is displaced to the position of the sliding block structure adjacent to the sliding block structure, the sliding block structure adjacent to the sliding block structure is driven to synchronously move, and the next sliding block structure is driven to be displaced until the protective awning is fully folded; simultaneously, the plastic sliding rail and the plastic sliding bar of the arch-shaped support on the steel wire rope 28 are also folded in a relative sliding displacement manner, so that the folded protective awning is supported, the sagging of the protective awning is prevented, and the height of the protective awning is reduced.

Claims (8)

1. The utility model provides a unit type intelligent protective awning which is characterized in that the intelligent protective awning comprises a first bracket and a second bracket which are arranged at intervals relatively, wherein horizontal sliding rails are respectively arranged on the first bracket and the second bracket, a plurality of sliding block structures are arranged on the sliding rails in a sliding manner, and the sliding block structure positioned at the extreme side of one end of the sliding rail is fixedly arranged on the sliding rail; at least two layers of steel wire ropes are fixedly arranged on the sliding block structures on the first bracket and the second bracket; the upper layer steel wire rope is penetrated with a dust suppression curtain, and the lower layer steel wire rope is provided with an arch-shaped supporting device for supporting the dust suppression curtain; driving devices are respectively arranged on the first bracket and the second bracket; the driving device comprises a driving motor, a driving wheel, a first driven wheel, a second driven wheel and two guide wheels, wherein the two guide wheels are fixedly arranged at two ends of the first bracket or the second bracket, the driving motor is positioned at the central position of the first bracket or the second bracket along the length direction, the driving wheel is fixedly arranged at the output end of the driving motor, the first driven wheel and the second driven wheel are respectively positioned at the outer side of the driving wheel, a wire rope bypasses the driving wheel and then is respectively guided by the first driven wheel and the second driven wheel, then bypasses the guide wheels to pass through the slider structure to form a wire drawing loop, and the wire rope is fixedly connected with a slidable slider structure positioned at the extreme side of one end of the sliding rail; along the length direction of the steel wire rope, the dust suppression curtain is divided into two parts, and one end of each part is fixed on a sliding block structure on a bracket close to one end of the dust suppression curtain; a traction channel is sewn at the position of a steel wire rope penetrated by the dust suppression curtain, and a plurality of blocking rings are arranged on the traction channel at intervals along the length direction of the traction channel; a traction rope is arranged in the traction channel in a penetrating way, and two ends of the traction rope are respectively positioned on the sliding block structures on the first bracket and the second bracket; a blocking block is fixedly arranged on the traction ropes positioned on two sides of the blocking ring; when the traction rope is pulled, the blocking block on the traction rope can drive the blocking ring to move the dust suppression curtain; the sliding block structure comprises a frame structure, wherein the frame structure comprises a horizontal supporting plate and side plates connected and fixed on one sides of the two horizontal supporting plates; at least one group of rollers are oppositely arranged on the two horizontal support plates, and the rollers are respectively clamped on the slide rail; an upper fixed hook and a lower fixed hook are arranged on the side plate at intervals up and down, and two layers of steel wire ropes are respectively fixed on the upper fixed hook and the lower fixed hook; the wire rope passes through the upper fixing hook.

2. The unitary intelligent protective awning as claimed in claim 1, wherein the arch-shaped support means comprises a plastic slide and a plastic rail respectively secured to two adjacent wire ropes, the plastic slide being inserted in the plastic rail.

3. The unitary intelligent protective awning as claimed in claim 1, wherein the first and second brackets include spaced support posts and cross beams disposed on the support posts; the support column comprises a guard column in the foundation pit or a filling pile column outside the foundation pit, a crown beam is secondarily poured on the guard column or the filling pile, a circular pipe column is fixed on the crown beam through bolts, and the cross beam is arranged on the circular pipe column.

4. The unitary intelligent protective awning as claimed in claim 1, wherein the slide rail comprises an upper chute and a lower chute, the rollers being located in the upper chute and lower chute, respectively; and fixing bolts for reinforcement are arranged on the two horizontal support plates positioned on the outer sides of the sliding rails in a penetrating way.

5. The unitary intelligent protective awning as claimed in claim 1, wherein limit structures are respectively arranged at two ends of the sliding rail.

6. The unitary intelligent protective awning as claimed in claim 1, wherein first and second position sensors are provided on the slide rail, respectively, for sensing the position of the movable slider structure on the extreme side of the slide rail.

7. The unitary intelligent protective awning as claimed in claim 3, wherein atomizing nozzles are respectively arranged on the cross beams on the first bracket and the second bracket at intervals, the atomizing nozzles are connected with an atomizing dust remover through a high-pressure water pipe, and the atomizing dust remover is communicated with a water source.

8. The unitary intelligent protective awning as claimed in claim 7, wherein a plurality of swinging mechanisms are arranged on the first and second brackets at intervals, each swinging mechanism comprising a connecting rod and a swinging rod; one end of the swing rod is rotatably arranged on the first bracket or the second bracket, the other end of the swing rod is fixedly provided with the atomizing nozzle, and the swing rod is sleeved with a sliding sleeve; one end of the connecting rod is rotatably arranged on the motor rotating shaft, and the other end of the connecting rod is rotatably connected with the sliding sleeve.