CN210316628U

CN210316628U - Self-balancing sunshade canopy

Info

Publication number: CN210316628U
Application number: CN201920931867.7U
Authority: CN
Inventors: 李伸剑
Original assignee: Beijing Blue Sky Future Technology Co ltd
Current assignee: Beijing Blue Sky Future Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-14
Anticipated expiration: 2029-06-19

Abstract

The embodiment of the utility model discloses self-balancing sunshade canopy curtain belongs to the protection and shelters from the equipment field, and its technical scheme main points include that at least one shelters from the unit, shelter from the unit and include first support, second support, fender cloth, drive arrangement and self-balancing unit, first support and second support parallel arrangement, self-balancing unit include the slide and set up in the counter weight device at slide both ends, slide middle part respectively sliding connection in first support and second support top, keep off cloth one end and first support fixed connection, other end sliding connection in the middle part of slide, drive arrangement can drive keep off the cloth expansion end and follow the middle part of slide slides, and two counter weight device weights that lie in the slide both ends respectively are the same. Keep off the cloth and can shelter from the gallery top, when the canopy device span is great, the slide can be taut to the counter weight device, avoids the slide middle part flagging seriously to can be applicable to the application scene of different spans.

Description

Self-balancing sunshade canopy

Technical Field

The invention relates to the field of protective shielding equipment, in particular to a self-balancing sun-shading awning.

Background

In outdoor work progress, easily produce the raise dust, cause harmful effects to the environment, thereby need shelter from the top and realize dirt-proof effect carrying out in ground construction, gallery work progress, consequently need one kind can be under the circumstances that does not influence normal construction quick, convenient shelter from gallery top and carry out dirt-proof shelter, dust keeper.

Under the great condition in construction site, need set up very long sheltering from cloth, shelter from cloth and adopt wire rope to support, wire rope receives the gravity influence the condition that middle part is curved down can appear when the span is great, and the supporting effect descends, and then leads to sheltering from cloth middle part flagging seriously, shelters from the effect not good.

Disclosure of Invention

Therefore, the embodiment of the invention provides a self-balancing sun-shading awning to solve the problem that in the prior art, the middle of the sun-shading awning is not good in sagging supporting effect under the condition of large span of a supporting steel wire rope.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

the utility model provides a self-balancing sunshade canopy of heaven, includes that at least one shelters from the unit, shelter from the unit and include first support, second support, fender cloth, drive arrangement and self-balancing unit, first support and second support parallel arrangement, self-balancing unit include the slide and set up in the counter weight device at slide both ends, slide middle part respectively sliding connection in first support and second support top, fender cloth one end and first support fixed connection, other end sliding connection are in the middle part of slide, drive arrangement can drive it follows to keep off the cloth expansion end the middle part of slide slides, and two counter weight device weights that lie in the slide both ends respectively are the same.

Further, the counterweight device comprises a counterweight box, a connecting rope and a hanging ring, the counterweight block is placed in the counterweight box, two ends of the connecting rope are detachably connected with the counterweight box, and the middle part of the connecting rope is connected with the end part of the slide way through the hanging ring.

Furthermore, the connecting ropes are provided with two ends which are respectively connected with the four corners of the weight box, and the middle parts of the two connecting ropes are detachably connected with the ends of the slide ways through the same hanging ring.

Further, the hanging ring comprises a U-shaped ring body and a connecting rod, two ends of the connecting rod are respectively in threaded connection with two end portions of the U-shaped ring body, the end portion of the slideway is bolted to the middle of the connecting rod, and the middle of the connecting rope is hung on the U-shaped ring body.

Further, drive arrangement includes driving motor, transmission assembly, rotary drive assembly, fixed pulley and drive steel cable, rotary drive assembly includes pivot, anti-skidding drive pulley and bearing frame, anti-skidding drive pulley is fixed in the pivot, the pivot both ends are rotated and are connected on the bearing frame, the transmission assembly input is connected with driving motor, transmission assembly's output and pivot are connected, drive steel cable end to end, drive steel cable rotate with anti-skidding drive pulley, fixed pulley respectively to be connected, drive steel cable go up at least a bit with the expansion end of fender cloth is connected.

Furthermore, the driving device further comprises a tightening assembly, the tightening assembly comprises a fixed rod, a swing rod, tightening wheels and a tightening spring, the middle of the swing rod is rotatably connected to the fixed rod, the tightening wheels are rotatably connected to two ends of the swing rod, the axes of the two tightening wheels are parallel to the axis of the swing rod, one end of the tightening spring is fixed, the other end of the tightening spring is connected with the swing rod, the stretching direction of the tightening spring is perpendicular to the axis direction of the swing rod, the driving steel cable simultaneously bypasses the two tightening wheels, and the contact position of the driving steel cable and the tightening wheels is located on one side of the swinging direction of the tightening wheels under the pulling action of the tightening springs.

Further, the one end that the swing arm was kept away from to straining spring is provided with adjusting part, adjusting part includes fixed plate, adjusting nut and adjusting screw, the regulation hole has been seted up on the fixed plate, adjusting screw one end is connected with straining spring, and the other end passes regulation hole and adjusting nut threaded connection.

Furthermore, the groove of the anti-skid driving pulley is internally provided with an anti-skid pad, the anti-skid pad is an annular gasket which is coaxially arranged with the anti-skid driving pulley, the inner wall of the anti-skid pad is abutted against the bottom of the groove of the anti-skid driving pulley, and the outer wall of the anti-skid pad is positioned in the groove of the anti-skid driving pulley.

Furthermore, the side wall of the non-slip mat is abutted against the side wall of the non-slip driving pulley groove, a fixing protrusion is arranged on the side wall of the non-slip mat, a fixing groove is formed in the side wall of the non-slip driving pulley groove, and the fixing protrusion is inserted into the fixing groove for fixing.

Furthermore, a reinforcing net is arranged inside the non-slip mat, the reinforcing net is an annular net which is coaxial with the non-slip mat, and the reinforcing net is fixed inside the non-slip mat.

The embodiment of the invention has the following advantages:

when drive arrangement operation drove and keep off cloth and expand, keep off cloth and can shelter from the gallery top, avoid dust to fly out the gallery, be favorable to environmental protection and constructor's health, keep off cloth simultaneously and still can play the sunshade effect, avoid constructor sunburn. The self-balancing sunshade awning can also be used for outdoor courts such as basketball courts, tennis courts, badminton courts and the like, and when the poplar is too strong, the blocking cloth can be unfolded to shade the sun, so that sporters are prevented from being sunburned during sports. When the canopy device span is great, the slide can be strained to the counter weight device, avoids the slide middle part flagging seriously, can make self-balancing sunshade canopy be applicable to the use scene of different spans through adjustment counter weight device self weight, and the result of use preferred is influenced by the use place lessly.

Drawings

In order to more clearly illustrate the embodiments of the present 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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of an overall self-balancing sunshade awning of an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the shielding unit;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic view of the highlighted tightening assembly;

FIG. 5 is a schematic view of a non-slip mat according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the driving wire rope according to the second embodiment of the present invention;

FIG. 7 is a schematic view of a third embodiment of the non-slip mat according to the present invention;

FIG. 8 is a schematic structural diagram of a self-balancing apparatus according to an embodiment of the present invention;

FIG. 9 is an enlarged view of FIG. 8 at B;

FIG. 10 is a schematic view of the overall structure of a hanging pulley according to the embodiment of the present invention;

in the figure: 1. a shielding unit; 11. a first bracket; 111. pre-burying a steel plate; 12. a second bracket; 13. blocking cloth; 131. a support bar; 141. a drive motor; 142. a transmission assembly; 143. a rotary drive assembly; 1431. a rotating shaft; 1432. an anti-skid drive pulley; 14321. an anti-slip groove; 14322. fixing the groove; 14323. connecting grooves; 1433. a bearing seat; 144. fixing the pulley; 145. driving a wire rope; 146. a tightening assembly; 1461. fixing the rod; 1462. a swing lever; 1463. a tension wheel; 1464. tensioning the spring; 147. an adjustment assembly; 1471. a fixing plate; 1472. adjusting the nut; 1473. adjusting the screw rod; 1474. an adjustment hole; 148. a non-slip mat; 1481. anti-skid lines; 1482. anti-skid convex edges; 1483. a fixed protrusion; 1484. a reinforcing mesh; 1485. a connecting portion; 16. a protective net; 17. protecting the fence; 18. a guide pulley; 19. a protection box; 191. a control button; 21. a slideway; 22. a weight box; 221. a box body; 2211. a placement port; 222. a balancing weight; 223. a bolting ring; 23. connecting ropes; 24. hanging and connecting rings; 241. a U-shaped ring body; 242. a connecting rod; 25. clamping a hoop; 26. a connecting frame; 261. an adjusting plate; 2611. an adjustment groove; 262. a connecting plate; 27. a first pulley; 28. a second pulley; 29. adjusting the bolt; 291. twisting by hand; 292. and (4) fixing the ring.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a self-balancing sunshade canopy, combine fig. 1 to 5, including at least one unit 1 that shelters from, it includes first support 11 to shelter from unit 1, second support 12, keep off cloth 13, drive arrangement and self-balancing unit,

first support

11 and 12 parallel arrangement of second support, first support 11 is the same with 12 structures of second support, first support 11 and second support 12 are door-shaped support,

first support

11 and 12 lower extremes of second support are all fixed to be set up on pre-buried steel sheet 111, self-balancing unit sets up on first support 11 and second support 12.

With reference to fig. 8 and 9, the self-balancing device includes a slide 21 and counterweight devices disposed at two ends of the slide 21, where the slide 21 is a rope with certain flexibility, preferably, the slide 21 is made of steel cable, the weights of the two counterweight devices disposed at two ends of the slide 21 are the same, the middle portion of the slide 21 is slidably connected to the tops of the first bracket 11 and the second bracket 12, the slide 21 can be slidably connected to the first bracket 11 and the second bracket 12 through fixed pulleys disposed at the tops of the first bracket 11 and the second bracket 12, and the counterweight devices are suspended at one side of the first bracket 11 or the second bracket 12 under the action of the slide 21.

The counterweight device comprises a counterweight box 22, a connecting rope 23 and a hanging ring 24, wherein the counterweight box 22 comprises a box body 221 and at least one counterweight 222 placed in the box body 221, the upper end of the box body 221 is detachably connected with the connecting rope 23, the box body 221 can be lifted up by the connecting rope 23, and the counterweight 222 in the box body 221 is used for increasing the weight of the counterweight box 22, so that the slide way 21 can be fully straightened under the tensile force action of the two counterweight boxes 22.

The box 221 is of a rectangular or cylindrical hollow structure, taking the rectangular box 221 structure as an example, a placing opening 2211 is formed in the top of the box 221, the width of the placing opening 2211 in the horizontal direction is greater than the thickness of the balancing weight 222, and the length of the placing opening 2211 is not less than the width of the balancing weight 222. The weight blocks 222 can be put into the box 221 or taken out from the box 221 through the placing openings 2211, so that the number of the weight blocks 222 can be adjusted according to the span of the canopy.

The clump weight 222 is preferably a rectangular concrete or metal block, which is convenient to obtain and has higher density, and the weight of the weight box 22 can be fully increased.

Connect rope 23 preferred adoption wire rope, have good tensile ability, the fastness is better, connects 23 both ends of rope and can dismantle with weight box 22 and be connected, and weight box 22 upper end is provided with bolt ring 223, connects 23 one end of rope and passes buckle behind bolt ring 223 and through at least one clamp 25 and be connected rope 23 laminating itself fixed. The connection mode is convenient to connect, good in firmness and not easy to loosen when bearing large tensile force.

The hanging ring 24 comprises a U-shaped ring body 241 and a connecting rod 242, two ends of the connecting rod 242 are respectively in threaded connection with two end parts of the U-shaped ring body 241, the end part of the slideway 21 is bolted in the middle of the connecting rod 242, and the middle part of the connecting rope 23 is hung on the U-shaped ring body 241. The connecting slideway 21 and the connecting rope can be conveniently connected by arranging the connecting ring 24. The U-shaped ring 241 can be easily opened by rotating the connecting rod 242, so that the connecting rope 23 can be easily removed from the hooking ring 24.

The connecting ropes 23 are provided with two, the end parts of the two connecting ropes 23 are respectively connected with the bolting rings 223 at the four corners of the weight box 22, and the middle parts of the two connecting ropes 23 are detachably connected with the end part of the slide rail 21 through the same hitching ring 24. The two connecting ropes 23 are used for hanging the weight box 22, so that the weight box 22 is more stable when suspended, is not easy to shake, and meanwhile, the stress of the hanging ring 24 is more balanced.

One end of the blocking cloth 13 is fixedly connected with the first support 11, the other end of the blocking cloth is connected to the middle of the slide rail 21 in a sliding mode, and the driving device can drive the movable end of the blocking cloth 13 to slide along the slide rail 21. The blocking cloth 13 is a net-shaped flexible cloth, the length direction of the blocking cloth is arranged along the length direction of the slide rail 21, a plurality of support rods 131 are evenly arranged on the blocking cloth 13 at intervals, and each support rod 131 is arranged along the width direction of the blocking cloth 13 and is arranged along the length direction of the slide rail 21. The support rod 131 is fixedly connected with a hanging pulley and is connected with the slideway 21 in a sliding way through the hanging pulley.

The blocking cloth 13 is a net-shaped flexible cloth, the length direction of the blocking cloth is arranged along the length direction of the slide rail 21, a plurality of support rods 131 are evenly arranged on the blocking cloth 13 at intervals, and each support rod 131 is arranged along the width direction of the blocking cloth 13 and is arranged along the length direction of the slide rail 21. The support rod 131 is provided with a hanging pulley, and the support rod 131 is connected to the slideway 21 in a sliding manner through the hanging pulley, so that the blocking cloth 13 can slide along the slideway 21. In order to make the supporting and sliding of the fabric 13 more stable, two or more slides 21 are provided along the width direction of the fabric 13, and the support rods 131 are slidably connected to the slides 21, respectively.

Referring to fig. 10, the hanging pulley includes a connecting frame 26, a first pulley 27, a second pulley 28 and an adjusting bolt 29, the first pulley 27 and the second pulley 28 are respectively rotatably connected to the connecting frame 26, rotating shafts 1431 of the first pulley 27 and the second pulley 28 are parallel to each other, an adjusting groove 2611 is formed on the connecting frame 26, both ends of a rotating shaft 1431 of the second pulley 28 are slidably connected in the adjusting groove 2611, the adjusting bolt 29 is in threaded connection with the connecting frame 26, the length direction of the adjusting bolt 29 is arranged along the length direction of the adjusting bolt 29, and one end of the adjusting bolt 29 is rotatably connected with the rotating shaft 1431 of the second pulley 28. The position of the rotating shaft 1431 of the second pulley 28 can be adjusted by rotating the adjusting bolt 29, so that the distance between the first pulley 27 and the second pulley 28 is adjusted.

First pulley 27 is located the slide 21 upside during the use, second pulley 28 is located the slide 21 downside, link 26 is connected with bracing piece 131 through the couple, can press from both sides tight slide 21 through the interval of adjusting second pulley 28 and first pulley 27, thereby first pulley 27 and second pulley 28 rotate simultaneously when making to articulate the pulley and slide on slide 21, thereby make first pulley 27 atress stable, still can avoid first pulley 27 to produce on slide 21 to beat simultaneously, be favorable to improving the operating stability and the life who articulates the pulley.

Preferably, the number of the adjusting bolts 29 is two, and the two adjusting bolts 29 are respectively connected with two ends of the rotating shaft 1431 of the second pulley 28 in a rotating manner, the position of the rotating shaft 1431 of the second pulley 28 is adjusted from two ends at the same time through the two adjusting bolts 29, so that the adjustment is more convenient, and the two adjusting bolts 29 support the rotating shaft 1431 of the second pulley 28 more stably, so that the second pulley 28 rotates stably.

The connecting frame 26 includes two adjusting plates 261 that are parallel to each other and two connecting plates 262 that are parallel to each other, and the both ends of adjusting plate 261 are respectively with two connecting plates 262 fixed connection, and the both ends of the pivot 1431 of first pulley 27 are respectively with two adjusting plates 261 pivoted joint, and two adjusting slot 2611 sets up on two adjusting plates 261, and adjusting bolt 29 is through seting up the screw hole on the connecting plate 262 and connecting plate 262 threaded connection. The adjusting bolt 29 is arranged at a position of the connecting plate 262 close to the end, and the adjusting bolt 29 is arranged at the side of the adjusting plate 261, which is far away from the first pulley 27 after the installation is finished.

The end, deviating from the rotating shaft 1431 of the second pulley 28, of the adjusting bolt 29 is provided with a hand knob 291, the adjusting bolt 29 can be conveniently rotated through the hand knob 291, and the adjusting process is more labor-saving.

The grooves of the first pulley 27 and the second pulley 28 are V-shaped grooves, trapezoidal grooves or U-shaped grooves, so that the slideway 21 is not easy to separate from the first pulley 27 and the second pulley 28, and the blocking cloth 13 is more stable when being hung on the slideway 21.

The end, close to the rotating shaft 1431 of the second pulley 28, of the adjusting bolt 29 is provided with a fixing ring 292, the rotating shaft 1431 of the second pulley 28 is rotatably connected in the fixing ring 292, the fixing ring 292 is rotatably connected with the end of the adjusting bolt 29, when the adjusting bolt 29 is rotated, the fixing ring 292 and the adjusting bolt 29 rotate relatively and move along the length direction of the adjusting bolt 29 along with the adjusting bolt 29, and therefore the position of the second pulley 28 can be adjusted.

The driving device comprises a driving motor 141, a transmission assembly 142, a rotation driving assembly 143, a fixed pulley 144 and a driving steel cable 145, wherein the rotation driving assembly 143 comprises a rotating shaft 1431, an anti-skid driving pulley 1432 and a bearing seat 1433, the anti-skid driving pulley 1432 is fixed on the rotating shaft 1431, two ends of the rotating shaft 1431 are rotatably connected to the bearing seat 1433 and keep the rotating shaft 1431 horizontal, an input end of the transmission assembly 142 is connected with the driving motor 141, an output end of the transmission assembly 142 is connected with the rotating shaft 1431, the transmission assembly 142 can be but not limited to a gear set, and when the driving motor 141 operates, the rotating shaft 1431 is driven to rotate by the transmission assembly. The driving motor 141, the transmission component 142 and the rotary driving component 143 are fixed on the first support 11, the fixed pulley 144 is arranged at the top of the second support 12, the axis of the fixed pulley 144 is vertical, the driving steel cable 145 is connected end to end, the driving steel cable 145 is respectively connected with the anti-skidding driving pulley 1432 and the fixed pulley 144 in a rotating manner, one point on the driving steel cable 145 is connected with the movable end of the blocking cloth 13, the driving steel cable 145 is driven to rotate when the anti-skidding driving pulley 1432 rotates, so that the movable end of the blocking cloth 13 is driven to slide along the slide rail 21, the driving motor 141 adopts a forward and reverse motor, and the blocking cloth 13 can be unfolded and folded when the driving motor 141 operates.

The driving device further comprises a tightening assembly 146, the tightening assembly 146 comprises a fixed rod 1461, a swinging rod 1462, tightening wheels 1463 and a tightening spring 1464, the fixed rod 1461 is fixedly arranged on the first support 11, the middle part of the swinging rod 1462 is rotatably connected to the fixed rod 1461, the tightening wheels 1463 are rotatably connected to two ends of the swinging rod 1462, the axes of the two tightening wheels 1463 are parallel to the axis of the swinging rod 1462, one end of the tightening spring 1464 is fixed, the other end of the tightening spring 1464 is connected with the swinging rod 1462, the expansion direction of the tightening spring 1464 is perpendicular to the axis direction of the swinging rod 1462, the driving cable 145 simultaneously bypasses the two tightening wheels 1463, and the contact position of the driving cable 145 and the tightening wheels 1463 is located on one side of the swinging direction of the tightening wheels 1463 under the pulling action of the. The tightening device can keep the drive cable 145 in a tightened state, and prevent the anti-slip drive pulley 1432 from slipping relative to the drive cable 145 due to loosening of the drive cable 145.

Preferably, an adjusting assembly 147 is arranged at one end of the tension spring 1464, which is far away from the swinging rod 1462, the adjusting assembly 147 comprises a fixing plate 1471, an adjusting nut 1472 and an adjusting screw 1473, the fixing plate 1471 is fixed on the first support 11, an adjusting hole 1474 is formed in the fixing plate 1471, one end of the adjusting screw 1473 is connected with the tension spring 1464, the other end of the adjusting screw 1473 penetrates through the adjusting hole 1474 and is in threaded connection with the adjusting nut 1472, the elastic tension of the tension spring 1464 can be adjusted by rotating the adjusting nut 1472, the tension of the driving steel cable 145 is further adjusted, and when the driving steel cable 145 loosens, the adjusting nut 1472 can be rotated.

Preferably, non-slip mat 148 is arranged in the groove of non-slip driving pulley 1432, non-slip mat 148 is made of flexible material, non-slip mat 148 can be but is not limited to rubber material, non-slip mat 148 has good non-slip capability, non-slip mat 148 is an annular gasket coaxially arranged with non-slip driving pulley 1432, the inner wall of non-slip mat 148 is abutted to the bottom of the groove of non-slip driving pulley 1432, and the outer wall of non-slip mat 148 is located in the groove of non-slip driving pulley 1432. During the use, the outer wall of slipmat 148 and drive cable 145 butt, and when antiskid drive pulley 1432 rotated, slipmat 148 can play the effect that prevents antiskid drive pulley 1432 and drive cable 145 and take place relative slip, reduces the functional loss that relative slip produced.

More preferably, be provided with on the slipmat 148 outer wall anti-skidding line 1481, anti-skidding line 1481 can be bar line or wave form line, and antiskid line 1481 is provided with a plurality ofly along slipmat 148 outer wall with the central line of slipmat 148 as the even interval of center circumference, and antiskid line 1481 can further increase the frictional force of slipmat 148.

Be provided with on the slipmat 148 inner wall anti-skidding stupefied 1482, anti-skidding stupefied 1482 is the rectangular shape bead that length direction is on a parallel with slipmat 148 central line direction, the slot bottom of antiskid drive pulley 1432 is provided with anti-skidding recess 14321, anti-skidding stupefied 1482 embedding antiskid recess 14321 internal fixation, anti-skidding stupefied 1482 and antiskid recess 14321 use antiskid drive pulley 1432 axis as even interval of central circumference to be provided with the multiunit, the cooperation of antiskid stupefied 1482 and antiskid recess 14321 can play the effect of avoiding producing relative slip between slipmat 148 and the antiskid drive pulley 1432.

In order to further enhance the matching between the anti-skid pad 148 and the anti-skid driving pulley 1432 and prevent the anti-skid pad 148 and the anti-skid driving pulley 1432 from sliding relatively, the width of the anti-skid pad 148 is the same as the width of the groove of the anti-skid driving pulley 1432, so that the side wall of the anti-skid pad 148 is abutted against the side wall of the groove of the anti-skid driving pulley 1432, the side wall of the anti-skid pad 148 is provided with a fixing protrusion 1483, the side wall of the groove of the anti-skid driving pulley 1432 is provided with a fixing groove 14322, and the fixing.

In order to enhance the strength of the non-slip mat 148 and prevent the non-slip mat 148 from being broken in a long-term use process, a reinforcing net 1484 is arranged inside the non-slip mat 148, the reinforcing net 1484 is an annular net coaxially arranged with the non-slip mat 148, the reinforcing net 1484 is fixed inside the non-slip mat 148, the reinforcing net 1484 is a wire net or a nylon wire net, and the reinforcing net 1484 can enhance the integrity of the non-slip mat 148, so that the non-slip mat 148 has good tensile resistance. When the non-slip mat 148 is made of rubber, the reinforcing mesh 1484 can be directly injected into the non-slip mat 148, so that the reinforcing mesh 1484 is tightly matched with the protection mat.

It should be noted that the anti-skid driving pulley 1432 may be, but is not limited to, a pulley with a V-shaped, trapezoidal, rectangular, or inverted trapezoidal cross section of the groove, and any pulley that can drive the driving cable 145 to rotate may be the anti-skid driving pulley 1432.

The first support frame can be provided with a protective box 19, the power supplies of the driving motor 141, the transmission component 142, the rotary driving component 143 and the driving motor 141 are all installed in the protective box 19, the protective box 19 can play a protective role, the protective box 19 is provided with a control button 191, the control button 191 is connected with the power supply of the driving motor 141, the operation of the driving motor 141 can be directly controlled under the condition that the protective box 19 is not opened through the control button 191, and the use is convenient and safe.

The protective nets 16 are arranged on the first support 11 and the second support 12, so that the effect of preventing people outside the pit from falling can be achieved during tunnel construction, meanwhile, in order to achieve a better falling prevention effect, the self-balancing sunshade awning is provided with protective guards 17 at two ends in the width direction of the blocking cloth 13, and two ends of each protective guard 17 are fixedly connected with the first support 11 and the second support 12 respectively.

Example two

This embodiment is substantially the same as the first embodiment, and only some features are different, and only the differences will be described in detail below:

referring to fig. 6, the fixed pulley 144 is disposed at one end of the top of the first support 11, which is far away from the driving device, the two ends of the top of the second support are respectively provided with the guide pulleys 18, the driving steel cable 145 is respectively connected with the anti-skid driving pulley 1432 and the fixed pulley 144 in a rotating manner and respectively bypasses the two guide pulleys 18 on the second support, two points on the driving steel cable 145, which have the same moving direction all the time, are respectively fixedly connected with the movable end of the blocking cloth 13, and when the driving steel cable 145 drives the movable end of the blocking cloth 13 to move, the movable end of the blocking cloth 13 can always move horizontally, thereby avoiding the.

EXAMPLE III

with reference to fig. 7, a connecting portion 1485 is disposed on the inner wall of the non-slip mat 148, the connecting portion 1485 is an annular protrusion disposed along the inner wall of the non-slip mat 148 with the axis of the non-slip driving pulley 1432 as the center, a connecting groove 14323 along a circumference of the groove of the non-slip driving pulley 1432 is disposed at the bottom of the groove of the non-slip driving pulley 1432, the connecting portion 1485 is inserted into the connecting groove 14323 for fixation, the connecting portion 1485 can make the non-slip mat 148 and the non-slip driving pulley 1432 more tightly fit with each other, so as to achieve a good effect of preventing the non-slip mat 148 and the non-slip driving pulley 1432 from sliding relatively, and the connecting portion 1485 can increase the middle thickness of the non-slip.

Preferably, the width of the cross section of the connecting portion 1485 is gradually reduced from the side close to the axis of the anti-skid driving pulley 1432 to the side far from the axis of the anti-skid driving pulley 1432, so that the connecting portion 1485 is more tightly matched with the connecting groove 14323, the anti-skid effect is better, and meanwhile, a gap between the position of the anti-skid pad 148 and the anti-skid driving pulley 1432 can be avoided under the action of larger torque force.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A self-balancing sun-shading awning is characterized by comprising at least one shading unit (1), the shielding unit (1) comprises a first support (11), a second support (12), a blocking cloth (13), a driving device and a self-balancing device, the first support (11) and the second support (12) are arranged in parallel, the self-balancing device comprises a slideway (21) and counterweight devices arranged at two ends of the slideway (21), the middle part of the slideway (21) is respectively connected with the tops of the first bracket (11) and the second bracket (12) in a sliding way, one end of the blocking cloth (13) is fixedly connected with the first bracket (11), the other end is connected with the middle part of the slideway (21) in a sliding way, the driving device can drive the movable end of the blocking cloth (13) to slide along the middle part of the slide way (21), and the two counterweight devices respectively positioned at the two ends of the slide way (21) have the same weight.

2. The self-balancing sun-shading awning as claimed in claim 1, wherein the counterweight device comprises a weight box (22), a connecting rope (23) and a hanging ring (24), two ends of the connecting rope (23) are detachably connected with the weight box (22), and the middle part of the connecting rope (23) is detachably connected with the end part of the slide way (21) through the hanging ring (24).

3. The self-balancing sun-shading awning according to claim 2, wherein there are two connecting ropes (23), the ends of the two connecting ropes (23) are respectively connected with four corners of the weight box (22), and the middle parts of the two connecting ropes (23) are detachably connected with the end part of the slideway (21) through the same hitching ring (24).

4. The self-balancing sun-shading awning as claimed in claim 2, wherein the hanging ring (24) comprises a U-shaped ring body (241) and a connecting rod (242), two ends of the connecting rod (242) are respectively in threaded connection with two ends of the U-shaped ring body (241), the end of the slideway (21) is bolted in the middle of the connecting rod (242), and the middle of the connecting rope (23) is hung on the U-shaped ring body (241).

5. Self-balancing sun screen according to claim 1, characterized in that the drive means comprise a drive motor (141), a transmission assembly (142), a rotary drive assembly (143), a fixed pulley (144) and a drive cable (145), the rotary driving component (143) comprises a rotating shaft (1431), an anti-skid driving pulley (1432) and a bearing seat (1433), the anti-skid driving pulley (1432) is fixed on the rotating shaft (1431), two ends of the rotating shaft (1431) are rotatably connected on the bearing seat (1433), the input end of the transmission component (142) is connected with the driving motor (141), the output end of the transmission component (142) is connected with the rotating shaft (1431), the driving steel cable (145) is connected end to end, the driving steel cable (145) is respectively connected with the anti-skidding driving pulley (1432) and the fixed pulley (144) in a rotating mode, and at least one point on the driving steel cable (145) is connected with the movable end of the blocking cloth (13).

6. The self-balancing sun shade canopy according to claim 5, wherein the drive means further comprises a tensioning assembly (146), the tightening component (146) comprises a fixed rod (1461), a swinging rod (1462), a tightening wheel (1463) and a tightening spring (1464), the middle part of the swinging rod (1462) is rotatably connected with the fixed rod (1461), the tightening wheels (1463) are rotatably connected with the two ends of the swinging rod (1462), the axes of the two tightening wheels (1463) are parallel to the axis of the swinging rod (1462), one end of the tension spring (1464) is fixed, the other end is connected with the swinging rod (1462), the stretching direction of the tensioning spring (1464) is perpendicular to the axial direction of the swinging rod (1462), the driving steel cable (145) simultaneously rounds two tensioning wheels (1463), and the contact position of the driving steel cable (145) and the tensioning wheels (1463) is positioned on one side of the swinging direction of the tensioning wheels (1463) under the pulling action of the tensioning spring (1464).

7. The self-balancing sun-shading awning as claimed in claim 6, wherein an adjusting assembly (147) is arranged at one end of the tension spring (1464) far away from the swinging rod (1462), the adjusting assembly (147) comprises a fixing plate (1471), an adjusting nut (1472) and an adjusting screw rod (1473), an adjusting hole (1474) is formed in the fixing plate (1471), one end of the adjusting screw rod (1473) is connected with the tension spring (1464), and the other end of the adjusting screw rod penetrates through the adjusting hole (1474) to be in threaded connection with the adjusting nut (1472).

8. The self-balancing sun shade awning according to claim 5, wherein the anti-slip driving pulley (1432) is provided with an anti-slip pad (148) in the groove, the anti-slip pad (148) is an annular washer coaxially arranged with the anti-slip driving pulley (1432), the inner wall of the anti-slip pad (148) is abutted to the bottom of the groove of the anti-slip driving pulley (1432), and the outer wall of the anti-slip pad (148) is positioned in the groove of the anti-slip driving pulley (1432).

9. The self-balancing sun shade awning according to claim 8, wherein the side wall of the non-slip mat (148) abuts against the side wall of the groove of the non-slip driving pulley (1432), the side wall of the non-slip mat (148) is provided with a fixing protrusion (1483), the side wall of the groove of the non-slip driving pulley (1432) is provided with a fixing groove (14322), and the fixing protrusion (1483) is inserted into the fixing groove (14322) for fixing.

10. Self-balancing sun screen according to claim 8, characterized in that the mat (148) is internally provided with a reinforcement mesh (1484), the reinforcement mesh (1484) being a ring mesh coaxially arranged with the mat (148), the reinforcement mesh (1484) being fixed inside the mat (148).