CN111927201B - Portable fence - Google Patents
Portable fence Download PDFInfo
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- CN111927201B CN111927201B CN202010865233.3A CN202010865233A CN111927201B CN 111927201 B CN111927201 B CN 111927201B CN 202010865233 A CN202010865233 A CN 202010865233A CN 111927201 B CN111927201 B CN 111927201B
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- Prior art keywords
- winding shaft
- scraping block
- block
- wall
- gear
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
The invention discloses a portable fence which comprises a storage supporting cylinder and a connecting supporting column, wherein a through hole is formed in the side wall of the storage supporting cylinder, a winding shaft is rotationally arranged in the storage supporting cylinder, and a protective net connected with the connecting supporting column is fixedly connected to the winding shaft; two mounting grooves are formed in the inner wall of the perforated hole, a fixed scraping block penetrating into the perforated hole is fixedly arranged in one mounting groove, a movable scraping block is arranged in the other mounting groove in a sliding manner, and a one-way transmission mechanism is arranged between the winding shaft and the movable scraping block; the inner wall of the accommodating support cylinder is provided with a setting groove, the one-way transmission mechanism comprises a ratchet and pawl structure and a rack which is connected with the inner wall of the setting groove in a sliding manner, the side wall of the rack is connected with the movable scraping block through a transmission rod, one side of the rack is meshed with a gear, and the gear is connected with the ratchet and pawl structure through a belt transmission structure; compared with the prior art, the invention has small occupied space after being disassembled, and can quickly clean the waste residues adhered to the surface of the protective net.
Description
Technical Field
The invention relates to the technical field of fence structures, in particular to a portable fence.
Background
Many electric power construction are gone on in the open air, for having guaranteed to avoid the personnel other than the staff to get into the job site, generally adopt the rail to keep apart the job site now.
For the electric power construction with rapid treatment, a simple fence is generally adopted to isolate a construction site, and the fence has a simple structure and light weight; however, the structure of the fence is fixed, so that the occupied space of the fence is large in the process of carrying the fence; and when the rail was in the environment that a waste residue splashed everywhere, the surface of rail can a large amount of waste residues of adhesion, and the staff need clear up the waste residue of the surface adhesion of rail when accomodating it, has increased staff's work load.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a portable fence to solve the problems that in the prior art, the fence occupies a large space during transportation, and when waste residues adhere to the surface of the fence, the waste residues need to be cleaned manually.
In order to achieve the purpose, the invention adopts the following technical scheme: a portable fence comprises storage supporting cylinders and connecting supporting columns which are arranged in parallel at intervals, wherein through holes are formed in the side walls of the storage supporting cylinders along the length direction of the storage supporting cylinders, winding shafts are rotationally arranged in the storage supporting cylinders, and protective nets which penetrate through the through holes and are detachably connected with the connecting supporting columns are fixedly connected to the winding shafts;
the inner wall of the hole of the perforation along the length direction of the receiving support cylinder is provided with two mounting grooves which are arranged in opposite directions and are positioned on different sides of the protective net, one mounting groove is internally and fixedly provided with a fixed scraping block penetrating into the perforation, the other mounting groove is internally and slidably provided with a movable scraping block, and a one-way transmission mechanism is arranged between the winding shaft and the movable scraping block; the one-way transmission mechanism enables the movable scraping block to slide for a certain distance towards the fixed scraping block by the power generated when the winding shaft rotates for winding;
the inner wall of the accommodating support cylinder is provided with a setting groove, the one-way transmission mechanism comprises a ratchet and pawl structure connected with the winding shaft and a rack connected with the inner wall of the setting groove in a sliding manner, the side wall of the rack is connected with the movable scraping block through a transmission rod, one side of the rack is meshed with a gear, and the gear is connected with the ratchet and pawl structure through a belt transmission structure;
after the gear rotates to enable the rack to slide for a certain distance towards the direction of the fixed scraping block, the gear is disengaged from the rack.
Compared with the prior art, the invention has the following beneficial effects:
1. the portable fence comprises a storage supporting cylinder, a connecting supporting column, a winding shaft, a protective net and the like, wherein the connecting supporting column and the protective net are detachably connected, and the protective net can be stored in the storage supporting cylinder by rotating the winding shaft after the connecting supporting column and the protective net are disassembled, so that the space occupancy rate of the portable fence during transportation is reduced, and the portable fence is convenient to use;
2. in the process that the winding shaft rotates to wind the protective net into the storage supporting cylinder, the rotating power of the winding shaft is sequentially transmitted through the ratchet wheel and pawl structure and the belt transmission structure, the gear rotates, the gear enables the rack to slide for a certain distance in the direction of the fixed scraping block and then the gear is disengaged from the rack, so that after the movable scraping block moves for a certain distance in the direction of the fixed scraping block, the movable scraping block does not move any more, the movable scraping block and the fixed scraping block are in sliding contact with the two surfaces of the protective net one by one, and waste residues adhered to the surfaces of the protective net are cleaned through the movable scraping block and the fixed scraping block, so that convenience and rapidness are realized;
3. this portable rail adopts ratchet pawl structure to utilize its one-way transmission function, rotates at the rolling axle to make the protection network unreel the back and is connected to the in-process of carrying out the equipment on the linking bridge post, and ratchet pawl structure does not transmit, then moves the scraper piece and does not remove to the fixed scraper piece direction to make to have sufficient space in the perforation to remove the protection network, avoid the protection network to appear blocking and establish the phenomenon.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a fixed scraper block and a movable scraper block in sliding contact with a protective net according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a cross-sectional view of the pulley and the bushing of FIG. 3 taken along line B-B;
FIG. 5 is a cross-sectional view of the drive shaft of FIG. 3 taken along line C-C;
FIG. 6 is a schematic view of the rack and pinion assembly in the mounting slot in accordance with an embodiment of the present invention;
FIG. 7 is a partial cross-sectional view of a wind-up reel in one embodiment of the present invention;
fig. 8 is a sectional view of a portion D in fig. 1.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a storage supporting cylinder 1, a connecting supporting column 2, a winding shaft 3, a protective net 4, a fixed scraper block 5, a movable scraper block 6, a setting groove 7, a rack 8, a gear 9, a transmission sleeve 10, an arc-shaped groove 11, a limiting protrusion 12, a pawl 13, a belt wheel 14, a belt 15, a transmission shaft 16, a supporting spring 17, an inner shaft 161, an outer shaft 162, an arc-shaped abdicating groove 163, a driving block 164, a flexible connecting strip 18, an installation notch 19, a spray head 20, an installation seat 21, a cavity 22, a pushing block 23, a filter screen 24, a tension spring 25, a first bevel gear 26, a second bevel gear 27, a winding rod 28, a traction wire 29, a liquid passing cavity 30, a vertical sleeving column 31, a horizontal sleeving column 32, a bottom connecting ring 33, a top connecting ring 34, a locking column 35 and a transmission rod 36.
As shown in fig. 1, an embodiment of the invention provides a portable fence, which includes a storage support cylinder 1 and a connection support column 2 that are arranged in parallel and at intervals, wherein a through hole is formed in a side wall of the storage support cylinder 1 along a length direction of the storage support cylinder, a winding shaft 3 is rotatably arranged in the storage support cylinder 1, and a protection net 4 that penetrates through the through hole and is detachably connected with the connection support column 2 is fixedly connected to the winding shaft 3; as shown in fig. 2, two mounting grooves are formed in the inner wall of the perforation along the length direction of the storage support cylinder 1, the two mounting grooves are arranged in opposite directions and are located on different sides of the protective screen 4, a fixed scraping block 5 penetrating into the perforation is fixedly arranged in one mounting groove, a movable scraping block 6 is slidably arranged in the other mounting groove, and a one-way transmission mechanism is arranged between the winding shaft 3 and the movable scraping block 6; the one-way transmission mechanism enables the movable scraping block 6 to slide for a certain distance towards the fixed scraping block 5 by the power generated when the winding shaft 3 rotates for winding; with reference to fig. 3 and 6, a setting groove 7 is formed in the inner wall of the storage support cylinder 1, the one-way transmission mechanism comprises a ratchet and pawl structure connected with the winding shaft 3 and a rack 8 connected with the inner wall of the setting groove 7 in a sliding manner, the side wall of the rack 8 is connected with the movable scraping block 6 through a transmission rod 36, a gear 9 is meshed with one side of the rack 8, and the gear 9 is connected with the ratchet and pawl structure through a belt transmission structure; after the gear 9 rotates to enable the rack 8 to slide for a certain distance towards the direction of the fixed scraper block 5, the gear 9 is disengaged from the rack 8.
In the process that the winding shaft 3 rotates to wind the protective net 4 into the storage supporting cylinder 1, the rotating power of the winding shaft 3 is sequentially transmitted through the ratchet-pawl structure and the belt transmission structure, the gear 9 rotates, the gear 9 enables the rack 8 to slide for a certain distance towards the direction of the fixed scraper block 5, the gear 9 is disengaged from the rack 8, so that after the movable scraper block 6 moves for a certain distance towards the direction of the fixed scraper block 5, the movable scraper block 6 does not move any more, the movable scraper block 6 and the fixed scraper block 5 are in sliding contact with two surfaces of the protective net 4 one by one, and waste residues adhered to the surface of the protective net 4 are cleaned through the movable scraper block 6 and the fixed scraper block 5.
As shown in fig. 4, according to another embodiment of the present invention, the portable fence further includes structure optimization of a ratchet and pawl structure and a belt transmission structure, the adopted ratchet and pawl structure includes a transmission sleeve 10 sleeved outside the winding shaft 3, two driving limit grooves arranged separately are formed on the outer wall of the winding shaft 3, two arc-shaped grooves 11 connected end to end are formed on the inner wall of the transmission sleeve 10 along the circumferential direction thereof, limit protrusions 12 are formed at the connection positions of the two arc-shaped grooves 11, pawls 13 slidably penetrating into the two arc-shaped grooves 11 to slide one by one are rotatably arranged in the two driving limit grooves, and the two pawls 13 and the two limit protrusions 12 are in one-to-one correspondence and unidirectional abutting.
The belt transmission structure comprises a belt wheel 14 rotatably arranged in the arrangement groove 7 and a belt 15 tensioned between the belt wheel 14 and the transmission sleeve 10, wherein the belt wheel 14 is coaxially connected with the gear 9.
When the winding shaft 3 rotates to wind the protective net 4, the two pawls 13 rotate along with the winding shaft 3, the two pawls 13 and the two limiting protrusions 12 are in one-to-one corresponding one-way butting, so that the transmission sleeve 10 moves synchronously along with the winding shaft 3, the transmission sleeve 10 drives the belt wheel 14 to rotate synchronously along the transmission sleeve through the belt 15, the gear 9 rotates synchronously along with the belt wheel 14, the gear 9 slides the rack 8 for a certain distance in the direction of the fixed scraping block 5, the gear 9 is disengaged from the rack 8, so that the movable scraping block 6 does not move any more after the movable scraping block 6 moves for a certain distance in the direction of the fixed scraping block 5, the movable scraping block 6 and the fixed scraping block 5 respectively make sliding contact with two surfaces of the protective net 4, and waste residues adhered to the surfaces of the protective net 4 are cleaned through the movable scraping block 6 and the fixed scraping block 5.
When the winding shaft 3 rotates reversely to unreel the protective net 4 to be connected to the connecting support column 2, the two pawls 13 rotate along with the winding shaft 3, the two pawls 13 respectively slide in the corresponding arc-shaped grooves 11, the two pawls 13 and the two limiting protrusions 12 are not abutted, so that the transmission sleeve 10 does not rotate along with the winding shaft 3, the scraping block 6 is moved towards the fixed scraping block 5, a sufficient space is reserved in the through hole to move the protective net 4, and the protective net 4 is prevented from being clamped.
As shown in fig. 3 and 5, according to another embodiment of the present invention, the portable fence further comprises a pulley 14 coaxially connected to the gear 9 through a transmission shaft 16, a support spring 17 is connected between one end of the rack 8 away from the fixed scraper block 5 and an inner wall of the setting groove 7, the transmission shaft 16 comprises an inner shaft 161 connected to the pulley 14 and an outer shaft 162 connected to the gear 9, one end of the outer shaft 162 away from the gear 9 is provided with a groove, one end of the inner shaft 161 away from the pulley 14 is rotatably embedded in the groove, an inner wall of the groove is provided with an arc-shaped recess 163 along a circumferential direction thereof, and a side wall of an end portion of the inner shaft 161 located in the groove is connected to a driving block 164 slidably disposed in the arc-shaped recess 163.
When the winding shaft 3 rotates to wind the protective net 4, the belt wheel 14 rotates, the inner shaft 161 rotates along with the belt wheel 14, the driving block 164 rotates along with the inner shaft 161, the driving block 164 abuts against the arc-shaped abdicating groove 163, the outer shaft 162 rotates along with the inner shaft 161, the gear 9 rotates, the gear 9 is disengaged from the gear rack 8 after the gear rack 8 slides for a certain distance in the direction of the fixed scraper block 5, the supporting spring 17 extends, and waste residues adhered to the surface of the protective net 4 are cleaned by moving the scraper block 6 and the fixed scraper block 5; after the rolling shaft 3 rotates to roll the protective screen 4, the rolling shaft 3 stops rotating, the rack 8 moves reversely under the action of the elastic reset force of the supporting spring 17, the rack 8 is meshed with the gear 9 again, the gear 9 rotates reversely, the outer shaft 162 rotates reversely, a yielding space is formed through the arc-shaped yielding groove 163, and the inner shaft 161 does not rotate along with the outer shaft 162, so that the distance between the movable scraping block 6 and the fixed scraping block 5 is increased; the winding shaft 3 is convenient to rotate reversely to unreel the protective net 4.
According to another embodiment of the invention, as shown in fig. 1, the portable fence further comprises a flexible connecting strip 18 connected between the protective net 4 and the winding shaft 3, wherein the thickness of the flexible connecting strip 18 is larger than the thickness of the protective net 4 and the distance between the fixed scraper block 5 and the movable scraper block 6; because the connection point between the protective net 4 and the winding shaft 3 is easy to be pulled off in the unwinding process, the flexible connection strip 18 abuts against the fixed scraping block 5 and the movable scraping block 6 after the unwinding of the protective net 4 is completed through the design of the thickness of the flexible connection strip 18, so that the protective net 4 cannot be lengthened any more, and the worker stops the unwinding work of the protective net 4, thereby improving the connection strength of the protective net 4 in the use process; the flexible connecting strips 18 may be integrally formed with the protection net 4.
As shown in fig. 2 and 7, according to another embodiment of the present invention, the portable fence further includes mounting notches 19 formed on opposite ends of the fixed scraping block 5 and the movable scraping block 6 away from the winding shaft 3, a plurality of spray heads 20 are sequentially arranged in each mounting notch 19 along the length direction of the receiving and supporting cylinder 1 at intervals, a mounting seat 21 is connected to the bottom of the receiving and supporting cylinder 1, the winding shaft 3 is rotatably connected to the mounting seat 21, a cavity 22 is formed in the winding shaft 3 along the axial direction thereof, a pushing block 23 is slidably disposed in the cavity 22, a filter screen 24 located below the pushing block 23 is disposed in the cavity 22, a tension spring 25 is connected between the pushing block 23 and the pushing block 23, a pay-off mechanism is connected between the winding shaft 3 and the pushing block 23, a cleaning solution located between the pushing block 23 and the filter screen 24 is filled in the cavity 22, a conducting component for communicating the filter screen 24 with each spray head 20 is arranged between the mounting seat 21 and the side wall of the receiving and supporting cylinder 1; the pay-off mechanism is used for enabling the push block 23 to move towards the filter screen 24 by power generated when the take-up shaft 3 is used for taking up.
When the winding shaft 3 rotates to wind the protective net 4, the paying-off mechanism performs paying-off work by the power generated by the rotation of the winding shaft 3, and the tension spring 25 contracts to enable the push block 23 to move towards the direction close to the filter screen 24; the pushing block 23 presses the cleaning liquid in the cavity 22 into the conducting assembly from the filter screen 24 and then sprays the cleaning liquid from the spray head 20, so that the cleaning liquid is uniformly sprayed out of two side surfaces of the filter screen 24, and after the movable scraper block 6 and the fixed scraper block 5 clean up waste residues adhered to the surface of the protective screen 4, the cleaning liquid is further used for washing, and the cleaning effect on the filter screen 24 is improved.
As shown in fig. 3 and 7, according to another embodiment of the present invention, the portable enclosure further comprises a guide hole formed on the outer wall of the winding shaft 3 and communicated with the cavity 22, the guide hole is located on the side of the push block 23 away from the filter screen 24; the paying-off mechanism comprises a first bevel gear 26 fixedly sleeved on the outer wall of the winding shaft 3 and a second bevel gear 27 meshed with the first bevel gear 26, the second bevel gear 27 is rotatably connected with the inner wall of the storage supporting cylinder 1 through a winding rod 28, and a plurality of circles of traction wires 29 penetrating through the guide holes and connected with the push block 23 are fixedly connected to the winding rod 28 in a winding mode.
When the winding shaft 3 rotates to wind the protection net 4, the first bevel gear 26 rotates along with the winding shaft 3, the second bevel gear 27 rotates along with the first bevel gear 26, the wire winding rod 28 conducts paying-off work, the pull wire 29 extends, meanwhile, the tension spring 25 contracts, the push block 23 moves towards the direction close to the filter screen 24, the push block 23 presses cleaning liquid in the cavity 22 into the conduction assembly from the filter screen 24 and then sprays the cleaning liquid from the spray head 20, so that the cleaning liquid is uniformly sprayed out of two side faces of the filter screen 24, after the movable scraper block 6 and the fixed scraper block 5 clean waste residues adhered to the surface of the protection net 4, the cleaning liquid is further used for washing, and the cleaning effect on the filter screen 24 is improved.
When the winding shaft 3 rotates reversely to unwind the protective screening 4 to connect to the connecting support column 2, the first bevel gear 26, the second bevel gear 27 and the winding rod 28 all rotate reversely, the winding rod 28 takes up the wire, the pull wire 29 is shortened, the push block 23 moves in the direction away from the filter screen 24, the tension spring 25 is lengthened, and the spray head 20 cannot spray liquid.
As shown in fig. 2, according to another embodiment of the present invention, the portable fence further includes a structure optimization of a conducting assembly, the conducting assembly includes a liquid passing cavity 30 and a liquid passing hole, the liquid passing cavity 30 is formed in each of the fixed scraping block 5 and the movable scraping block 6, the liquid passing hole is formed in the mounting base 21, the liquid passing cavity 30 is communicated with the corresponding spray head 20, one end of each liquid passing hole is communicated with the liquid passing cavity 30, and the other end of each liquid passing hole is communicated with the filter screen 24; the push block 23 moves towards the direction close to the filter screen 24, the push block 23 guides the cleaning liquid in the cavity 22 into the liquid passing holes from the filter screen 24 and then enters the two liquid passing cavities 30, and the cleaning liquid is sprayed out from the plurality of spray heads 20 correspondingly communicated with the two liquid passing cavities 30.
As shown in fig. 1 and 8, according to another embodiment of the present invention, the portable fence further includes a vertical sleeving column 31 connected to the bottom of the connecting support column 2, a horizontal sleeving column 32 connected to the top of the connecting support column 2, a bottom connecting ring 33 connected to the vertical sleeving column 31 and connected to the lower side of one end of the protection net 4 away from the winding shaft 3, a top connecting ring 34 connected to the upper side of one end of the protection net 4 away from the winding shaft 3 and sleeved on the horizontal sleeving column 32, a sliding groove formed on the side wall of the horizontal sleeving column 32, a locking column 35 passing through the sliding groove and elastically connected to the sliding groove, and the top connecting ring 34 sleeved on the horizontal sleeving column 32 and abutting against the locking column 35.
The cooperation of establishing post 32 and locking post 35 through bottom go-between 33 and vertical cup jointing post 31 and top go-between 34 and the horizontal cover is connected connection support post 2 and protection network 4 can dismantle, conveniently connects and the split, and the connection stability of connection support post 2 and protection network 4 is strong.
The overall working principle of the invention is as follows: the bottom connecting ring 33 is detached from the vertical sleeve column 31, the top connecting ring 34 is detached from the horizontal sleeve column 32, the winding shaft 3 is rotated through a handle which is arranged inside and outside the storage supporting cylinder 1 in a penetrating manner and is in splined connection with the winding shaft 3, the protective net 4 is stored in the storage supporting cylinder 1 and wound on the winding shaft 3, the one-way transmission mechanism is used for transmission, after the movable scraping block 6 moves for a certain distance towards the direction of the fixed scraping block 5, the movable scraping block 6 does not move any more, the movable scraping block 6 and the fixed scraping block 5 are in sliding contact with two surfaces of the protective net 4 one by one, and waste residues adhered to the surface of the protective net 4 are cleaned through the movable scraping block 6 and the fixed scraping block 5; meanwhile, the paying-off mechanism operates to spray cleaning liquid from the spray head 20 to further clean the surface of the protective net 4; after the winding shaft 3 stops rotating, the rack 8 slides reversely under the action of the elastic restoring force of the supporting spring 17 to enable the movable scraper block 6 to slide back to the original position, and the movable scraper block 6 and the fixed scraper block 5 are separated from the contact with the protective net 4.
When the portable fence is assembled, the unconnected end of the protective net 4 is taken, the winding shaft 3 rotates reversely, the one-way transmission mechanism does not transmit, the pay-off mechanism enables the push block 23 to move reversely in the cavity 22, liquid can be replenished into the cavity 22 through the liquid replenishing hole formed in the side wall of the cavity 22, and the liquid replenishing hole is sealed through the sealing plug after liquid replenishing is finished; the bottom connecting ring 33 is sleeved on the vertical sleeved column 31, and the top connecting ring 34 is sleeved on the horizontal sleeved column 32 and then fixed through the locking column 35.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A portable fence is characterized by comprising storage supporting cylinders and connecting supporting columns which are arranged in parallel at intervals, wherein through holes are formed in the side walls of the storage supporting cylinders along the length direction of the storage supporting cylinders, winding shafts are rotationally arranged in the storage supporting cylinders, and protective nets which penetrate through the through holes and are detachably connected with the connecting supporting columns are fixedly connected to the winding shafts;
the inner wall of the hole of the perforation along the length direction of the receiving support cylinder is provided with two mounting grooves which are arranged in opposite directions and are positioned on different sides of the protective net, one mounting groove is internally and fixedly provided with a fixed scraping block penetrating into the perforation, the other mounting groove is internally and slidably provided with a movable scraping block, and a one-way transmission mechanism is arranged between the winding shaft and the movable scraping block; the one-way transmission mechanism enables the movable scraping block to slide for a certain distance towards the fixed scraping block by the power generated when the winding shaft rotates for winding;
the inner wall of the accommodating support cylinder is provided with a setting groove, the one-way transmission mechanism comprises a ratchet and pawl structure connected with the winding shaft and a rack connected with the inner wall of the setting groove in a sliding manner, the side wall of the rack is connected with the movable scraping block through a transmission rod, one side of the rack is meshed with a gear, and the gear is connected with the ratchet and pawl structure through a belt transmission structure;
the gear rotates to enable the rack to slide for a certain distance towards the direction of the fixed scraping block, and then the gear is disengaged from the rack;
the ratchet pawl structure comprises a transmission sleeve sleeved outside a winding shaft, two driving limit grooves which are arranged in a separated mode are formed in the outer wall of the winding shaft, two arc-shaped grooves which are connected end to end are formed in the inner wall of the transmission sleeve in the circumferential direction, limiting protrusions are formed in the connection positions of the two arc-shaped grooves, pawls which slide one by one to penetrate into the two arc-shaped grooves are arranged in the two driving limit grooves in a penetrating mode and are arranged in the two driving limit grooves in a rotating mode, and the two pawls and the two limiting protrusions are in one-to-one-way abutting.
2. A portable playpen according to claim 1 wherein: the belt transmission structure comprises a belt wheel rotatably arranged in the arrangement groove and a belt tensioned between the belt wheel and the transmission sleeve, and the belt wheel is coaxially connected with the gear.
3. A portable playpen according to claim 2 wherein: the band pulley passes through the transmission shaft coaxial with the gear and links to each other, and the rack is kept away from the one end of deciding the scraper piece and is provided with and be connected with supporting spring between the inslot wall, and the transmission shaft includes interior axle that links to each other with the band pulley and the outer axle that links to each other with the gear, and the one end that the gear was kept away from to the outer axle is opened flutedly, and interior one end rotation of keeping away from the band pulley of axle is inlayed and is established in the recess, and the inslot wall is opened along its circumference direction has the arc groove of stepping down, interior axle is connected with on arranging the tip lateral wall in the recess and slides the drive block that sets up in the arc inslot of stepping down.
4. A portable playpen according to any of claims 1-3 wherein: the protective net is connected with the winding shaft through a flexible connecting strip, and the thickness of the flexible connecting strip is larger than that of the protective net and the distance between the fixed scraping block and the movable scraping block.
5. A portable playpen according to any of claims 1-3 wherein: the cleaning device comprises a fixed scraping block, a movable scraping block, a winding shaft, a winding mechanism, a cleaning solution and a cleaning solution, wherein one end of the fixed scraping block and one end of the movable scraping block, which are arranged in opposite directions, away from the winding shaft are provided with installation notches arranged in the length direction of the winding shaft, a plurality of spray heads are sequentially arranged in each installation notch at intervals in the length direction of the winding shaft, the bottom of the winding shaft is connected with an installation seat, the winding shaft is rotatably connected with the installation seat, the winding shaft is internally provided with a cavity in the axial direction, a push block is slidably arranged in the cavity, a filter screen positioned below the push block is arranged in the cavity, a tensioning spring is connected between the push block and the push block, a pay-off mechanism is connected between the winding shaft and the push block, the cavity is filled with the cleaning solution positioned between the push block and the filter screen, and a conduction assembly for communicating the filter screen and each spray head is arranged between the installation seat and the side wall of the winding shaft; the pay-off mechanism is used for enabling the push block to move towards the direction of the filter screen by power generated when the winding shaft winds.
6. A portable playpen according to claim 5 wherein: a guide hole communicated with the cavity is formed in the outer wall of the winding shaft and is positioned on one side, away from the filter screen, of the push block; the pay-off mechanism comprises a first bevel gear fixedly sleeved on the outer wall of the winding shaft and a second bevel gear meshed with the first bevel gear, the second bevel gear is rotatably connected with the inner wall of the storage supporting cylinder through a winding rod, and a plurality of circles of winding traction lines penetrating through the guide holes and connected with the push block are fixedly connected to the winding rod.
7. A portable playpen according to claim 5 wherein: the conduction assembly comprises a liquid passing cavity and a liquid passing hole, wherein the liquid passing cavity is formed in the fixed scraping block and the movable scraping block, the liquid passing hole is formed in the mounting seat, the liquid passing cavity is communicated with the corresponding spray heads, one end of the liquid passing hole is communicated with the liquid passing cavity, and the other end of the liquid passing hole is communicated with the filter screen.
8. A portable playpen according to any of claims 1-3 wherein: the utility model discloses a take-up reel, including the connection support post, the connection support post is connected with the vertical column of cup jointing, the connection support post top is connected with the horizontal cover and establishes the post, the one end downside that the rolling axle was kept away from to the protection network is connected with the cover and establishes the bottom go-between on the vertical column of cup jointing, the one end upside that the rolling axle was kept away from to the protection network is connected with the cover and establishes the top go-between on the post is established to the horizontal cover, open on the post lateral wall is established to the horizontal cover has the spout, elastic connection has the locking post of wearing out from it in the spout, the top go-between cover is established and is offset with the locking post on the post is established to the horizontal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865233.3A CN111927201B (en) | 2020-08-25 | 2020-08-25 | Portable fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865233.3A CN111927201B (en) | 2020-08-25 | 2020-08-25 | Portable fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927201A CN111927201A (en) | 2020-11-13 |
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| CN113200420B (en) * | 2021-04-30 | 2023-05-30 | 烟台优德科技发展有限公司 | Superfluous net twine collector based on gear rotation |
| CN114718378B (en) * | 2022-03-29 | 2024-06-07 | 贵州电网有限责任公司 | Safety purse net storage device for transformer substation |
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| US10053888B2 (en) * | 2012-08-21 | 2018-08-21 | Ideal Warehouse Innovations, Inc. | Fencing storage system |
| CN206646846U (en) * | 2017-04-13 | 2017-11-17 | 王帅 | A kind of construction engineering protective net |
| CN207348487U (en) * | 2017-09-16 | 2018-05-11 | 上海市浦东新区建设(集团)有限公司 | One kind faces side guardrail |
| CN207453642U (en) * | 2017-11-21 | 2018-06-05 | 三峡大学 | The fence to automatically reset |
| CN208010039U (en) * | 2018-01-05 | 2018-10-26 | 温州博富市政建筑工程有限公司 | A kind of road construction safe fence |
| CN108266046B (en) * | 2018-01-25 | 2020-09-08 | 江潮建设有限公司 | Construction guardrail that prevents dust with self-cleaning function |
| CN111410096B (en) * | 2020-04-07 | 2021-09-24 | 苏州赛荣建筑装饰工程有限公司 | Self-cleaning spinning yarn bobbin |
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