CN112392325A - Lifting folding building construction protective fence - Google Patents
Lifting folding building construction protective fence Download PDFInfo
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- CN112392325A CN112392325A CN202011332374.5A CN202011332374A CN112392325A CN 112392325 A CN112392325 A CN 112392325A CN 202011332374 A CN202011332374 A CN 202011332374A CN 112392325 A CN112392325 A CN 112392325A
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- telescopic shaft
- fixedly connected
- shaft
- shielding cloth
- rod
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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
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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Abstract
The invention belongs to the technical field of protective guards, and particularly relates to a lifting folding building construction protective guard which comprises a stand column, a connecting column, a supporting seat, shielding cloth, trundles, worm wheels, worms, a screw rod, a sliding rod, a connecting block, a guide column, a shearing fork mechanism, a connecting rod and a first telescopic shaft, wherein the stand column is arranged on the stand column; according to the invention, the scissor fork mechanism and the first telescopic shaft are driven to unfold by pulling the handle on the upright post, so that the transverse unfolding of the protective guard is realized, the worm drives the worm wheel to rotate by rotating the worm, the worm wheel drives the screw rod to rotate, the screw rod drives the sliding rod to slide in the sinking groove, the sliding rod drives the first telescopic shaft to move upwards, and the first telescopic shaft drives the shielding cloth to move, so that the height of the protective guard in the vertical direction is adjusted, the building construction area is separated from the outside, further, the harm of dust, gravels and the like generated in the building construction area to pedestrians and vehicles outside the protective guard is avoided, meanwhile, the requirements on protective guards with different heights are met, and the application range of the protective guard is increased.
Description
Technical Field
The invention belongs to the technical field of protective guards, and particularly relates to a lifting folding building construction protective guard.
Background
Guard rails are visible everywhere in our lives. The protective fence is widely applied to maintenance, building construction and the like of municipal engineering, traffic, communities, ports, airports and storage areas, and is used for protecting and protecting personal safety and equipment facilities and isolating and protecting construction sites.
The existing protective fences for isolating and protecting construction sites on building construction sites are numerous, most of the protective fences are isolated by using steel sheet fences or built enclosing walls, dust can be isolated by the isolation modes, but due to the fact that the height of the steel sheet fences or the height of the enclosing walls is limited, the dust is raised when large-scale mechanical construction is carried out, the dust easily crosses the steel sheet fences or the enclosing walls, and the surrounding environment is poor.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a lifting folding building construction protective guard. The invention is mainly used for solving the problems that the existing guard rail on the building construction site cannot be folded transversely and the protection height cannot be adjusted according to requirements.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a lifting folding building construction protective guard which comprises a stand column, a connecting column, a supporting seat, a piece of shielding cloth, trundles, worm wheels, worms, screw rods, sliding rods, connecting blocks, guide columns, a scissor fork mechanism, connecting rods and a first telescopic shaft, wherein the stand column is arranged on the stand column; the upright posts are symmetrically arranged around the connecting column; a scissor fork mechanism is arranged between the upright post and the connecting post; one branch at one end of the scissor mechanism is hinged on the upright post; the other end of the scissor mechanism is connected to the upright post in a sliding manner; one branch at the other end of the scissors mechanism is hinged on the connecting column; one branch at the other end of the scissor mechanism is connected to the connecting column in a sliding manner; the lower end of the upright post is fixedly connected with the supporting seat; the bottom of the supporting seat is provided with the caster; a sink groove is formed in the upper end face of the connecting column; a screw rod is arranged in the sinking groove; one end of the screw rod is rotatably connected to the bottom of the sinking groove; the screw rod is connected with the sliding rod through threads; the sliding rod slides in the sinking groove; the worm wheel is fixedly connected to the lead screw close to the bottom of the sinking groove; the worm is rotationally connected to the connecting column; the worm wheel is in meshed transmission with the worm; the upper end of the sliding rod is fixedly connected with the connecting block; a counter bore is arranged on the upper end face of the upright post; the guide post is connected in the counter bore in a sliding manner; the first telescopic shaft is arranged between the guide column and the connecting block; the guide rod is fixedly connected with the first telescopic shaft, and the connecting block is fixedly connected with the first telescopic shaft through the connecting rod; the shielding cloth is arranged between the upright post and the guide post; the shielding cloth is connected with the first telescopic shaft; wherein the content of the first and second substances,
the first telescopic shaft comprises a telescopic rod, a belt wheel and a folding pipe; both ends of the telescopic rod are fixedly connected with the belt wheels; the folding pipe is sleeved on the telescopic rod; and two ends of the folding pipe are respectively and fixedly connected to the end faces of the belt wheels.
When the guardrail conveying device works, the guardrail is conveyed to a building construction area, the upright posts on two sides of the guardrail are pulled to drive the scissor fork mechanism and the first telescopic shaft to expand, so that the guardrail is transversely expanded, then the guardrail is fixed on the ground through the supporting seat, so that the building construction area is separated from the outside through the plurality of guardrail units, and further, the damage to pedestrians and vehicles outside the guardrail caused by dust, gravels and the like generated in the building construction area is avoided; by rotating the worm, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod to rotate, the screw rod drives the sliding rod to slide in the sinking groove, the sliding rod drives the first telescopic shaft to move upwards, and the first telescopic shaft drives the shielding cloth to move, so that the height of the protective guard in the vertical direction is adjusted, the protection reliability of the protective guard is improved, the requirements on protective guards with different heights are met, and the use range of the protective guard is enlarged; because the protective guard can be transversely folded and can be lifted in the vertical direction, the protective guard is convenient to transport and store, and can be well prevented from being damaged in windy weather, and the service life of the protective guard is further prolonged.
Preferably, a second telescopic shaft is arranged between the upright post and the connecting post and close to one side of the supporting seat; the second telescopic shaft is rotatably connected with the upright post and the second telescopic shaft is rotatably connected with the connecting post through rotating shafts; a third telescopic shaft is arranged between the upright post and the connecting post and close to one side of the first telescopic shaft; connecting shafts are arranged at two ends of the third telescopic shaft; the upright post and the connecting post are provided with sliding grooves along the vertical direction at positions corresponding to the connecting shaft; the connecting shaft slides in the sliding groove; a stop lever is arranged below the connecting shafts at the two ends of the third telescopic shaft; one end of the stop lever is positioned in the sliding groove; the other end of the stop lever is rotatably connected to the connecting shaft; a spring is arranged in the sliding groove; one end of the spring is in contact with the bottom surface of the sliding groove; the other end of the spring is contacted with the stop lever; the structures of the second telescopic shaft and the third telescopic shaft are the same as the structure of the first telescopic shaft; both sides of the shielding cloth are provided with traction ropes; the traction ropes are fixedly connected to two sides of the shielding cloth through a sewing process; one end of the shielding cloth is fixedly connected to the first telescopic shaft; the other end of the shielding cloth bypasses the second telescopic shaft and is fixedly connected to the third telescopic shaft; the traction ropes on the two sides of the shielding cloth are positioned in the grooves of the belt wheels.
When the height of the protective guard is required to be increased during working, the worm is controlled to rotate, so that the sliding rod is controlled to extend upwards, thereby driving the shielding cloth to ascend, further realizing the driving of the third telescopic shaft to move downwards by reversing the shielding cloth through the second telescopic shaft, the connecting shaft drives the stop lever to move downwards, the spring in the sliding groove is compressed, the lifting of the protective guard is realized, when the height of the protective guard needs to be reduced, the worm is controlled to rotate, the sliding rod retracts downwards to drive the shielding cloth to descend, and the third telescopic shaft drives the shielding cloth to move upwards under the action of the elastic force of the spring, thereby realizing the rising and the falling of the shielding cloth, simultaneously ensuring the shielding cloth to be in a tensioning state all the time through the spring, thereby avoiding the shielding cloth from bulging to the outer side of the building construction area and further avoiding causing troubles to pedestrians outside the guardrail; the traction ropes are arranged on the two sides of the shielding cloth and are positioned in the grooves of the belt wheels, so that the shielding cloth is prevented from being deviated in the lifting process to cause the protection of a gap, and meanwhile, the belt wheels also play a role in guiding the traction ropes; because the first telescopic shaft, the second telescopic shaft and the third telescopic shaft are all provided with the folding pipes, the shielding cloth is convenient to fold along with the protective guard.
Preferably, one end of the connecting shaft, which is positioned in the sliding groove, is provided with a rotating ball; the rotating ball is rotatably connected to the connecting shaft; the cross section of the position of the sliding chute pair using the rotating ball is circular.
During operation, set up the rolling ball through the one end that is located the spout at the connecting axle, and then reduced the frictional force between connecting axle and the spout, and then be favorable to reciprocating of No. three telescopic shaft, and then improved the smooth and easy degree that shelters from cloth lift, and then be favorable to sheltering from the lift of cloth.
Preferably, the sliding groove is provided with an avoiding oblique angle at a position close to one side of the rotating ball and the connecting shaft.
The during operation, through set up in the spout and dodge the oblique angle near the position department of rolling ball and connecting axle one side, and then caused the rolling ball card to die in the spout when having avoided the uneven skew of No. three telescopic link atress to take place, and then guaranteed the smooth and easy degree that the rolling ball removed in the spout, and then improved the response sensitivity of No. three telescopic links when sheltering from cloth lift.
Preferably, the guard rail further comprises an anti-falling part; the anti-falling part comprises an opening ceramic ring, a mounting seat and a ceramic ring fixing seat; the two sides of the shielding cloth between the second telescopic shaft and the third rotating shaft are provided with the anti-falling parts; the anti-falling parts are uniformly arranged at intervals along the direction of the traction rope; the traction rope passes through the open ceramic ring; the opening ceramic ring is fixedly connected in the ceramic ring fixing seat; the ceramic ring fixing seat is fixedly connected to the mounting seat; the mounting seats are respectively and fixedly connected to the upright posts and the connecting posts; the opening space of the opening porcelain ring is smaller than the diameter of the traction rope.
During operation, through setting up the anticreep part, and then realize will blocking the both sides of cloth and pass through fixing on stand and spliced pole firmly of haulage rope, and then improved the shock resistance who blocks the cloth, prevent simultaneously that passerby from getting into in the building construction area from the both sides that block the cloth, and then avoid the artificial injury of going to the way, and then improved the security of protection.
Preferably, the side walls opposite to the supporting seat are provided with supporting bulges; the side wall of the support bulge is provided with an inclined groove; one end of the connecting seat is hinged in the groove; the other end of the connecting seat is fixedly connected with the caster; the supporting seat bottom surface is provided with accomodates the groove.
The during operation, through setting up the truckle on the connecting seat, and the connecting seat articulates on the supporting seat, when needs use the truckle to carry out the rail guard and remove, mention the supporting seat through the handle on the stand, and then accomodate the pin joint rotation of truckle around the connecting seat of inslot, put down the stand afterwards, and then realize launching the truckle to both sides under the action of gravity, drag the position that needs with the stand afterwards, then mention the stand through the handle, accomodate the inslot with the truckle again, fix the supporting seat again, and then realized that the protection comes to remove to another region from a region, and then make things convenient for the removal of rail guard, and then reduced the intensity of labour when the rail guard is laid.
Preferably, an elastic cloth is arranged between the supporting seats; two ends of the elastic cloth are respectively and fixedly connected to the supporting seats at two sides; the upper middle part of the elastic cloth is fixedly connected to the connecting column.
When the protective guard works, the elastic cloth is arranged between the supporting seats, so that the situation that dust generated during operation is scattered to the periphery of an area from the space below the shielding cloth is reduced, the dust on the periphery of the protective guard is prevented from flying, and the pollution to the peripheral environment of the protective guard is avoided.
The invention has the following beneficial effects:
1. according to the invention, the guard rail is transported to a building construction area, the upright posts on two sides of the guard rail are pulled to drive the scissor mechanism and the first telescopic shaft to expand, so that the guard rail is transversely expanded, then the guard rail is fixed on the ground through the supporting seat, and the building construction area is separated from the outside through a plurality of guard rail units, so that the damage of dust, gravel and the like generated in the building construction area to pedestrians and vehicles outside the guard rail is avoided; by rotating the worm, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod to rotate, the screw rod drives the sliding rod to slide in the sinking groove, the sliding rod drives the first telescopic shaft to move upwards, and the first telescopic shaft drives the shielding cloth to move, so that the height of the protective guard in the vertical direction is adjusted, the protection reliability of the protective guard is improved, the requirements on protective guards with different heights are met, and the use range of the protective guard is enlarged; because the protective guard can be transversely folded and can be lifted in the vertical direction, the protective guard is convenient to transport and store, and can be well prevented from being damaged in windy weather, and the service life of the protective guard is further prolonged.
2. When the height of the protective guard needs to be increased, the worm is controlled to rotate, the sliding rod is further controlled to extend upwards, the shielding cloth is further driven to ascend, the shielding cloth is further driven to move downwards through the reversing of the second telescopic shaft, the shielding rod is further driven to move downwards through the connecting shaft, the spring in the sliding groove is further compressed, the protective guard is further lifted, when the height of the protective guard needs to be reduced, the worm is controlled to rotate, the sliding rod retracts downwards, the shielding cloth is further driven to descend, the third telescopic shaft drives the shielding cloth to move upwards under the action of spring elasticity, the shielding cloth is further lifted and descended, meanwhile, the shielding cloth is guaranteed to be in a tensioned state all the time through the spring, the shielding cloth is further prevented from bulging to the outer side of a building construction area, and further troubles are avoided for pedestrians outside the protective guard; the traction ropes are arranged on the two sides of the shielding cloth and are positioned in the grooves of the belt wheels, so that the shielding cloth is prevented from being deviated in the lifting process to cause the protection of a gap, and meanwhile, the belt wheels also play a role in guiding the traction ropes; because the first telescopic shaft, the second telescopic shaft and the third telescopic shaft are all provided with the folding pipes, the shielding cloth is convenient to fold along with the protective guard.
3. According to the invention, the rotating ball is arranged at one end of the connecting shaft, which is positioned in the sliding groove, so that the friction force between the connecting shaft and the sliding groove is reduced, the vertical movement of the third telescopic shaft is facilitated, the smooth lifting degree of the shielding cloth is further improved, and the lifting of the shielding cloth is further facilitated.
4. According to the invention, the avoidance oblique angle is arranged at the position, close to one side of the rotating ball and the connecting shaft, of the sliding groove, so that the rotating ball is prevented from being clamped in the sliding groove when the third telescopic rod is unevenly stressed and deviates, the smooth degree of the rotating ball moving in the sliding groove is further ensured, and the response sensitivity of the third telescopic shaft is further improved when the shielding cloth is lifted.
5. According to the invention, the anti-drop component is arranged, so that two sides of the shielding cloth are firmly fixed on the stand column and the connecting column through the traction rope, the impact resistance of the shielding cloth is improved, passers are prevented from entering the building construction area from two sides of the shielding cloth, the passers are prevented from being injured, and the protection safety is improved.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a schematic view of the overall structure of a guard rail according to the present invention;
fig. 2 is a schematic view of the internal structure of the guard rail of the present invention;
FIG. 3 is a schematic view of the internal structure of the connecting column of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a front view of the guard rail of the present invention;
FIG. 6 is a partial enlarged view at B in FIG. 5;
fig. 7 is a plan view of the guard rail of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
FIG. 9 is a schematic structural view of a first telescopic shaft according to the present invention;
FIG. 10 is a schematic view of the anti-separation member according to the present invention;
FIG. 11 is a schematic view of the supporting base and the caster of the present invention;
in the figure: the device comprises a vertical column 1, a connecting column 2, a sinking groove 21, a supporting seat 3, a supporting protrusion 31, a groove 32, a connecting seat 33, a containing groove 34, shielding cloth 4, a traction rope 41, a caster 5, a worm wheel 51, a worm 52, a screw 53, a sliding rod 54, a connecting block 55, a guide column 56, a scissor fork mechanism 57, a connecting rod 58, a first telescopic shaft 6, a telescopic rod 61, a belt wheel 62, a folding pipe 63, a second telescopic shaft 7, a rotating shaft 71, a third telescopic shaft 8, a connecting shaft 81, a sliding groove 82, an avoiding oblique angle 820, a blocking rod 83, a spring 84, a rotating ball 85, an anti-falling part 9, an opening porcelain ring 91, a mounting seat 92, a porcelain ring fixing seat 93 and elastic cloth 94.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, 2, 3, 4, 5 and 9, a lifting folding building construction protective guard comprises a column 1, a connecting column 2, a supporting seat 3, shielding cloth 4, a caster 5, a worm wheel 51, a worm 52, a screw 53, a sliding rod 54, a connecting block 55, a guide column 56, a scissor mechanism 57, a connecting rod 58 and a first telescopic shaft 6; the upright posts 1 are symmetrically arranged about the connecting post 2; a scissor mechanism 57 is arranged between the upright post 1 and the connecting post 2; one end of the scissor mechanism 57 is hinged to the upright post 1; the other end of the scissor mechanism 57 is slidably connected to the upright post 1; one branch at the other end of the scissor mechanism 57 is hinged on the connecting column 2; one branch at the other end of the scissor mechanism 57 is slidably connected to the connecting column 2; the lower end of the upright post 1 is fixedly connected with the supporting seat 3; the bottom of the supporting seat 3 is provided with the caster 5; a sink groove 21 is formed in the upper end face of the connecting column 2; a screw rod 53 is arranged in the sinking groove 21; one end of the screw rod 53 is rotatably connected to the bottom of the sinking groove 21; the screw rod 53 is connected with the sliding rod 54 through threads; the sliding rod 54 slides in the sinking groove 21; the worm wheel 51 is fixedly connected to the lead screw 53 close to the bottom of the sinking groove 21; the worm 52 is rotationally connected to the connecting column 2; the worm wheel 51 is in meshed transmission with the worm 52; the upper end of the sliding rod 54 is fixedly connected with the connecting block 55; a counter bore is arranged on the end face of the upper end of the upright post 1; the guide column 56 is connected in the counter bore in a sliding way; the first telescopic shaft 6 is arranged between the guide column 56 and the connecting block 55; the guide rod is fixedly connected with the first telescopic shaft 6, and the connecting block 55 is fixedly connected with the first telescopic shaft 6 through the connecting rod 58; the shielding cloth 4 is arranged between the upright post 1 and the guide post 56; the shielding cloth 4 is connected with the first telescopic shaft 6; wherein the content of the first and second substances,
the first telescopic shaft 6 comprises a telescopic rod 61, a belt wheel 62 and a folding pipe 63; both ends of the telescopic rod 61 are fixedly connected with the belt wheels 62; the folding pipe 63 is sleeved on the telescopic rod 61; the two ends of the folding tube 63 are respectively fixedly connected to the end surfaces of the belt wheels 62.
When the guardrail conveying device works, the guardrail is conveyed to a building construction area, the upright posts 1 drive the scissor fork mechanism 57 and the first telescopic shaft 6 to expand by pulling handles on the upright posts 1 on two sides of the guardrail, so that the guardrail is transversely expanded, then the guardrail is fixed on the ground through the supporting seat 3, so that the building construction area is separated from the outside through a plurality of guardrail units, and further, the damage to pedestrians and vehicles outside the guardrail caused by dust, gravels and the like generated in the building construction area is avoided; by rotating the worm 52, the worm 52 drives the worm wheel 51 to rotate, the worm wheel 51 drives the screw rod 53 to rotate, the screw rod 53 drives the sliding rod 54 to slide in the sinking groove 21, the sliding rod 54 drives the first telescopic shaft 6 to move upwards, and the first telescopic shaft 61 drives the shielding cloth 4 to move, so that the height of the protective guard in the vertical direction is adjusted, the protection reliability of the protective guard is improved, the requirements on protective guards with different heights are met, and the use range of the protective guard is enlarged; because the protective guard can be transversely folded and can be lifted in the vertical direction, the protective guard is convenient to transport and store, and can be well prevented from being damaged in windy weather, and the service life of the protective guard is further prolonged.
As shown in fig. 2, 4, 5, 6, 7 and 8, a second telescopic shaft 7 is arranged between the upright post 1 and the connecting column 2 on one side close to the supporting seat 3; the second telescopic shaft 7 is rotatably connected with the upright post 1, and the second telescopic shaft 7 is rotatably connected with the connecting post 2 through a rotating shaft 71; a third telescopic shaft 8 is arranged between the upright post 1 and the connecting post 2 and close to one side of the first telescopic shaft 6; connecting shafts 81 are arranged at two ends of the third telescopic shaft 8; a chute 82 is arranged on the upright post 1 and the connecting post 2 along the vertical direction at the position corresponding to the connecting shaft 81; the connecting shaft 81 slides in the sliding groove 82; a stop lever 83 is arranged below the connecting shaft 81 at the two ends of the third telescopic shaft 8; one end of the stop lever 83 is positioned in the sliding groove 82; the other end of the stop lever 83 is rotatably connected to the connecting shaft 81; a spring 84 is arranged in the sliding groove 82; one end of the spring 84 contacts the bottom surface of the slide groove 82; the other end of the spring 84 contacts the shift lever 83; the second telescopic shaft 7 and the third telescopic shaft 8 have the same structure as the first telescopic shaft 6; both sides of the shielding cloth 4 are provided with traction ropes 41; the pulling rope 41 is fixedly connected to two sides of the shielding cloth 4 through a sewing process; one end of the shielding cloth 4 is fixedly connected to the first telescopic shaft 6; the other end of the shielding cloth 4 is fixedly connected to the third telescopic shaft 8 after bypassing the second telescopic shaft 7; the pulling rope 41 on both sides of the shielding cloth 4 is positioned in the groove of the belt pulley 62.
When the height of the protective guard is required to be increased in operation, the worm 52 is controlled to rotate, the sliding rod 54 is controlled to extend upwards, the shielding cloth 4 is driven to ascend, the shielding cloth 4 is driven to move downwards through the reversing of the second telescopic shaft 7, the stop rod 83 is driven to move downwards through the connecting shaft 81, the spring 84 in the sliding groove 82 is compressed, the protective guard is lifted, when the height of the protective guard is required to be reduced, the worm 52 is controlled to rotate, the sliding rod 54 retracts downwards, the shielding cloth 4 is driven to descend, the third telescopic shaft 8 drives the shielding cloth 4 to move upwards under the elastic force of the spring 84, the shielding cloth 4 is lifted and descended, meanwhile, the shielding cloth 4 is ensured to be always in a tensioned state through the spring 84, and the shielding cloth 4 is prevented from bulging to the outer side of a building construction area, thereby avoiding causing troubles to pedestrians outside the guardrail; the traction ropes 41 are arranged on the two sides of the shielding cloth 4, and the traction ropes 41 are positioned in the grooves of the belt wheels 62, so that the shielding cloth 4 is prevented from deviating in the lifting process to cause the occurrence of a gap in protection, and meanwhile, the belt wheels 62 also play a role in guiding the traction ropes 41; because the first telescopic shaft 6, the second telescopic shaft 7 and the third telescopic shaft 8 are all provided with the folding pipes 63, the shielding cloth 4 can be conveniently folded along with the protective guard.
As shown in fig. 6 and 8, one end of the connecting shaft 81 located in the sliding groove 82 is provided with a rotating ball 85; the rotating ball 85 is rotatably connected to the connecting shaft 81; the chute 82 is circular in cross section at the position corresponding to the rotating ball 85.
During operation, set up ball 85 through the one end that is located spout 82 at connecting axle 81, and then reduced the frictional force between connecting axle 81 and the spout 82, and then be favorable to reciprocating of No. three telescopic shaft 8, and then improved the smooth and easy degree that shelters from the lift of cloth 4, and then be favorable to sheltering from the lift of cloth 4.
As shown in fig. 8, an escape bevel 820 is provided at a position of the slide groove 82 near one side of the rotating ball 85 and the connecting shaft 81.
During operation, the position of the sliding groove 82 close to one side of the rotating ball 85 and the connecting shaft 81 is provided with the avoiding oblique angle 820, so that the rotating ball 85 is prevented from being clamped in the sliding groove 82 when the third telescopic rod 61 is unevenly stressed and deviates, the smooth degree of the rotating ball 85 moving in the sliding groove 82 is ensured, and the response sensitivity of the third telescopic shaft 8 during the lifting of the shielding cloth 4 is improved.
As shown in fig. 2 and 10, the guard rail further includes an anti-falling part 9; the anti-falling part 9 comprises an opening ceramic ring 91, a mounting seat 92 and a ceramic ring fixing seat 93; the anti-falling parts 9 are arranged on both sides of the shielding cloth 4 between the second telescopic shaft 7 and the third rotating shaft 71; the anti-dropping parts 9 are arranged at intervals along the direction of the traction rope 41; the pulling rope 41 passes through the open porcelain ring 91; the open ceramic ring 91 is fixedly connected in the ceramic ring fixing seat 93; the ceramic ring fixing seat 93 is fixedly connected to the mounting seat 92; the mounting seat 92 is respectively and fixedly connected to the upright post 1 and the connecting column 2; the opening distance of the opening ceramic ring 91 is smaller than the diameter of the traction rope 41.
During operation, through setting up anticreep part 9, and then realize will sheltering from cloth 4 both sides through the haulage rope 41 firmly fix on stand 1 and spliced pole 2, and then improved the shock resistance who shelters from cloth 4, prevent simultaneously that passerby from getting into in the building construction area from the both sides that shelter from cloth 4, and then avoid making the injury to passerby, and then improved the security of protection.
As shown in fig. 2 and 11, the opposite side walls of the support base 3 are provided with support protrusions 31; the side wall where the supporting protrusion 31 is located is provided with an inclined groove 32; one end of the connecting seat 33 is hinged in the groove 32; the other end of the connecting seat 33 is fixedly connected with the caster 5; the bottom surface of the support seat 3 is provided with a receiving groove 34.
The during operation, through setting up truckle 5 on connecting seat 33, and connecting seat 33 articulates on supporting seat 3, when needs use truckle 5 to carry out the rail guard and remove, mention supporting seat 3 through the handle on the stand 1, and then accomodate the pin joint rotation of truckle 5 around connecting seat 33 in accomodating groove 34, put down stand 1 afterwards, and then realize expanding truckle 5 to both sides under the action of gravity, drag the position that needs with stand 1 afterwards, then mention stand 1 through the handle, with truckle 5 receipts again in accomodating groove 34, fix the supporting seat 3 again, and then realized that the protection comes to remove to another region from a region, and then make things convenient for the removal of rail guard, and then reduced the intensity of labour when the rail guard is laid.
As shown in fig. 1, 2 and 5, an elastic cloth 94 is arranged between the supporting seats 3; two ends of the elastic cloth 94 are respectively and fixedly connected to the supporting seats 3 at two sides; the middle part of the upper edge of the elastic cloth 94 is fixedly connected to the connecting column 2.
When the protective guard works, the elastic cloth 94 is arranged between the supporting seats 3, so that dust generated in operation is prevented from flying to the periphery of an area from a space below the shielding cloth 4, dust on the periphery of the protective guard is prevented from flying, and pollution to the peripheral environment of the protective guard is avoided.
When the guardrail conveying device works, the guardrail is conveyed to a building construction area, the upright posts 1 drive the scissor fork mechanism 57 and the first telescopic shaft 6 to expand by pulling handles on the upright posts 1 on two sides of the guardrail, so that the guardrail is transversely expanded, then the guardrail is fixed on the ground through the supporting seat 3, so that the building construction area is separated from the outside through a plurality of guardrail units, and further, the damage to pedestrians and vehicles outside the guardrail caused by dust, gravels and the like generated in the building construction area is avoided; by rotating the worm 52, the worm 52 drives the worm wheel 51 to rotate, the worm wheel 51 drives the screw rod 53 to rotate, the screw rod 53 drives the sliding rod 54 to slide in the sinking groove 21, the sliding rod 54 drives the first telescopic shaft 6 to move upwards, and the first telescopic shaft 61 drives the shielding cloth 4 to move, so that the height of the protective guard in the vertical direction is adjusted, the protection reliability of the protective guard is improved, the requirements on protective guards with different heights are met, and the use range of the protective guard is enlarged; because the protective guard can be transversely folded and can be lifted in the vertical direction, the protective guard is convenient to transport and store, and can be well prevented from being damaged in windy weather, and the service life of the protective guard is further prolonged.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a folding building construction rail guard goes up and down which characterized in that: the device comprises a stand column (1), a connecting column (2), a supporting seat (3), shielding cloth (4), a caster (5), a worm wheel (51), a worm (52), a screw rod (53), a sliding rod (54), a connecting block (55), a guide column (56), a scissor fork mechanism (57), a connecting rod (58) and a first telescopic shaft (6); the upright posts (1) are symmetrically arranged about the connecting post (2); a scissor mechanism (57) is arranged between the upright post (1) and the connecting post (2); one end of the scissor fork mechanism (57) is hinged on the upright post (1); the other end of the scissor mechanism (57) is connected to the upright post (1) in a sliding manner; one branch at the other end of the scissor mechanism (57) is hinged on the connecting column (2); one branch at the other end of the scissor mechanism (57) is connected to the connecting column (2) in a sliding manner; the lower end of the upright post (1) is fixedly connected with the supporting seat (3); the bottom of the supporting seat (3) is provided with the caster (5); a sink groove (21) is formed in the upper end face of the connecting column (2); a screw rod (53) is arranged in the sinking groove (21); one end of the screw rod (53) is rotatably connected to the bottom of the sinking groove (21); the screw rod (53) is connected with the sliding rod (54) through threads; the sliding rod (54) slides in the sinking groove (21); the worm wheel (51) is fixedly connected to the lead screw (53) close to the bottom of the sinking groove (21); the worm (52) is rotationally connected to the connecting column (2); the worm wheel (51) is in meshed transmission with the worm (52); the upper end of the sliding rod (54) is fixedly connected with the connecting block (55); a counter bore is arranged on the end surface of the upper end of the upright post (1); the guide post (56) is connected in the counter bore in a sliding way; the first telescopic shaft (6) is arranged between the guide column (56) and the connecting block (55); the guide rod is fixedly connected with the first telescopic shaft (6) and the connecting block (55) is fixedly connected with the first telescopic shaft (6) through the connecting rod (58); the shielding cloth (4) is arranged between the upright post (1) and the guide post (56); the shielding cloth (4) is connected with the first telescopic shaft (6); wherein the content of the first and second substances,
the first telescopic shaft (6) comprises a telescopic rod (61), a belt wheel (62) and a folding pipe (63); both ends of the telescopic rod (61) are fixedly connected with the belt wheels (62); the folding pipe (63) is sleeved on the telescopic rod (61); and two ends of the folding pipe (63) are respectively and fixedly connected to the end surface of the belt wheel (62).
2. The lifting folding building construction protective fence according to claim 1, characterized in that: a second telescopic shaft (7) is arranged between the upright post (1) and the connecting post (2) and close to one side of the supporting seat (3); the second telescopic shaft (7) is rotatably connected with the upright post (1) and the second telescopic shaft (7) is rotatably connected with the connecting post (2) through a rotating shaft (71); a third telescopic shaft (8) is arranged between the upright post (1) and the connecting post (2) and close to one side of the first telescopic shaft (6); two ends of the third telescopic shaft (8) are provided with connecting shafts (81); a sliding groove (82) is arranged in the vertical direction at the positions, corresponding to the connecting shaft (81), on the upright column (1) and the connecting column (2); the connecting shaft (81) slides in the sliding groove (82); a stop lever (83) is arranged below the connecting shaft (81) at the two ends of the third telescopic shaft (8); one end of the stop lever (83) is positioned in the sliding groove (82); the other end of the gear lever (83) is rotatably connected to the connecting shaft (81); a spring (84) is arranged in the sliding groove (82); one end of the spring (84) is in contact with the bottom surface of the sliding groove (82); the other end of the spring (84) is in contact with the stop lever (83); the second telescopic shaft (7) and the third telescopic shaft (8) have the same structure as the first telescopic shaft (6); both sides of the shielding cloth (4) are provided with traction ropes (41); the traction rope (41) is fixedly connected to the two sides of the shielding cloth (4) through a sewing process; one end of the shielding cloth (4) is fixedly connected to the first telescopic shaft (6); the other end of the shielding cloth (4) is fixedly connected to the third telescopic shaft (8) after bypassing the second telescopic shaft (7); the traction ropes (41) on the two sides of the shielding cloth (4) are positioned in the grooves of the belt wheels (62).
3. The lifting folding building construction protective fence according to claim 2, characterized in that: one end of the connecting shaft (81) positioned in the sliding groove (82) is provided with a rotating ball (85); the rotating ball (85) is rotatably connected to the connecting shaft (81); the cross section of the chute (82) at the position corresponding to the rotating ball (85) is circular.
4. The lifting folding building construction protective fence according to claim 3, characterized in that: an avoiding oblique angle (820) is arranged at the position, close to one side of the rotating ball (85) and the connecting shaft (81), of the sliding groove (82).
5. The lifting folding building construction protective fence according to claim 4, characterized in that: also comprises a retaining component (9); the anti-falling part (9) comprises an open ceramic ring (91), a mounting seat (92) and a ceramic ring fixing seat (93); the anti-falling parts (9) are arranged on two sides of the shielding cloth (4) between the second telescopic shaft (7) and the third rotating shaft (71); the anti-falling parts (9) are uniformly arranged at intervals along the direction of the traction rope (41); the pulling rope (41) passes through the open porcelain ring (91); the opening ceramic ring (91) is fixedly connected in the ceramic ring fixing seat (93); the ceramic ring fixing seat (93) is fixedly connected to the mounting seat (92); the mounting seat (92) is respectively and fixedly connected to the upright post (1) and the connecting column (2); the opening distance of the opening porcelain ring (91) is smaller than the diameter of the traction rope (41).
6. The lifting folding building construction protective fence according to claim 5, characterized in that: supporting bulges (31) are arranged on the opposite side walls of the supporting seat (3); an inclined groove (32) is formed in the side wall where the supporting protrusion (31) is located; one end of the connecting seat (33) is hinged in the groove (32); the other end of the connecting seat (33) is fixedly connected with the caster (5); the bottom surface of the supporting seat (3) is provided with an accommodating groove (34).
7. The lifting folding building construction protective fence according to claim 6, characterized in that: elastic cloth (94) is arranged between the supporting seats (3); two ends of the elastic cloth (94) are respectively and fixedly connected to the supporting seats (3) at two sides; the middle part of the upper edge of the elastic cloth (94) is fixedly connected to the connecting column (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011332374.5A CN112392325B (en) | 2020-11-24 | 2020-11-24 | Lifting folding building construction protective fence |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011332374.5A CN112392325B (en) | 2020-11-24 | 2020-11-24 | Lifting folding building construction protective fence |
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| CN112392325A true CN112392325A (en) | 2021-02-23 |
| CN112392325B CN112392325B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011332374.5A Active CN112392325B (en) | 2020-11-24 | 2020-11-24 | Lifting folding building construction protective fence |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115030606A (en) * | 2022-07-06 | 2022-09-09 | 新乡市公路勘察设计院有限责任公司 | Highway reconnaissance movable type protection device |
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| CN112392325B (en) | 2021-12-31 |
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Inventor after: Lu Chengyun Inventor after: Jiang Yigao Inventor after: Guo Yingwei Inventor after: Zhang Shixiu Inventor before: Zhang Shixiu |
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Effective date of registration: 20211215 Address after: 100038 No. 4, North beehive, Beijing, Haidian District Applicant after: CHINA CIVIL ENGINEERING CONSTRUCTION Corp. Address before: 236200 No. 55, Mengzhuang natural village, Sunzhuang village, Jiangkou Town, Yingshang County, Fuyang City, Anhui Province Applicant before: Zhang Shixiu |
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Effective date of registration: 20230512 Address after: F16-17, Fortune Business Building, No. 88 Haibin South Road, Jida Street, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 Patentee after: China soil Group South Construction Development Co.,Ltd. Patentee after: CHINA CIVIL ENGINEERING CONSTRUCTION Corp. Address before: 100038 No. 4, North beehive, Beijing, Haidian District Patentee before: CHINA CIVIL ENGINEERING CONSTRUCTION Corp. |