CN111502405B - Rail guard and protector that road construction used - Google Patents
Rail guard and protector that road construction used Download PDFInfo
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- CN111502405B CN111502405B CN202010378912.8A CN202010378912A CN111502405B CN 111502405 B CN111502405 B CN 111502405B CN 202010378912 A CN202010378912 A CN 202010378912A CN 111502405 B CN111502405 B CN 111502405B
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- groups
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- limiting
- movable
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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
- E04H17/20—Posts therefor
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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
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
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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
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1445—Fences with pivotable slats for reduced wind resistance or for adjusting visibility
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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
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1452—Details of connections between rails and posts the ends of the rails are fixed on the lateral sides of the posts
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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
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention is suitable for the building field, has provided guard rail and protective device that a kind of road construction uses, the guard rail includes: two sets of supporting members; at least one set of first telescoping components; the first telescopic assembly comprises two groups of first moving parts, and the two groups of first moving parts are arranged between the two groups of supporting parts in a sliding manner; a first rotating assembly; the two groups of first moving pieces are rotationally connected through a first rotating assembly; two groups of automatic limiting assemblies; when the first moving part slides to the position farthest away from or closest to the support part, the automatic limiting component automatically limits the first moving part to slide; and the limit releasing component is used for releasing the limit effect of the automatic limit component on the first movable part. According to the invention, the two groups of first moving parts can rotate relatively by arranging the first rotating assembly so as to change the size of an included angle formed between the two groups of first moving parts, so that the whole protective guard can be adjusted into different broken line shapes according to actual requirements, and the protective guard is suitable for different road construction occasions.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a protective fence and a protective device for road construction.
Background
In the process of road construction, guard rails are generally required to be arranged near a site to be constructed so as to protect the safety of the periphery of the road construction.
The traditional protective fence is generally composed of a pillar and a cross bar; although, in the prior art, there is a method of replacing the cross bar with a telescopic assembly such as a telescopic bar to facilitate the adjustment of the width of the guard rail; however, the posts and the telescopic rods of the guard rail are always on the same horizontal plane, which is inconvenient for different road construction occasions.
Disclosure of Invention
The embodiment of the invention aims to provide a protective guard for road construction, and aims to solve the problems in the background art.
The embodiment of the invention is realized in such a way that the protective guard for road construction comprises:
two sets of supporting members;
at least one set of first telescoping components; the first telescopic assembly comprises two groups of first moving parts corresponding to the two groups of supporting parts, and the two groups of first moving parts are arranged between the two groups of supporting parts in a sliding manner;
the first rotating assembly is used for enabling the two groups of first moving parts to rotate relatively; the two groups of first moving pieces are in rotating connection through the first rotating assembly;
two groups of automatic limiting assemblies respectively corresponding to the two groups of first moving parts; when the first moving part slides to the position farthest from or closest to the supporting part, the automatic limiting component automatically limits the first moving part to slide;
and the limit releasing component is used for releasing the limit effect of the automatic limit component on the first movable part.
As a preferable aspect of the embodiment of the present invention, the first rotating assembly includes:
two sets of first connecting pieces; the two groups of first connecting pieces are fixed on one group of first moving pieces;
a second connecting member; the second connecting pieces are rotatably arranged between the two groups of first connecting pieces through first pin shafts and are fixedly connected with the other group of first moving pieces;
the first locking screw is used for limiting the second connecting piece to rotate; the first locking screw is in threaded fit with one group of the first connecting pieces and abuts against the second connecting pieces.
As another preferable aspect of the embodiment of the present invention, the automatic position limiting assembly includes:
a first limit piece; the first limiting piece is of a wedge-shaped structure and is fixedly connected with the first movable piece;
a second limiting member; the second limiting piece is of a wedge-shaped structure and is fixedly connected with the first movable piece; the first limiting piece and the second limiting piece are respectively fixed on two sides of the first movable piece, and the inclined planes of the first limiting piece and the second limiting piece are opposite in direction;
a first fixed stopper; the first fixed stopper is fixed on one side of the first limiting part far away from the support part;
a second fixed stopper; the second fixed stopper is fixed on one side of the second limiting part close to the support;
a first movable stopper; the first movable stopper is movably arranged on one side of the first fixed stopper close to the supporting piece through a first elastic piece; when the first limiting piece slides to be in contact with the first fixed stopper, the first movable stopper automatically clamps the first limiting piece between the first fixed stopper and the first movable stopper;
a second movable stopper; the second movable stopper is movably arranged on one side of the second fixed stopper far away from the supporting piece through a second elastic piece; when the second limiting member slides to be in contact with the second fixed stopper, the second movable stopper automatically clamps the second limiting member between the second fixed stopper and the second movable stopper; the first movable stopper and the second movable stopper are both connected with a limit-releasing component, and the limit-releasing component is used for driving the first movable stopper and the second movable stopper to be away from the first movable member.
As another preferable aspect of the embodiment of the present invention, the restriction component includes:
a first mounting plate; the first mounting plate is fixedly connected with the supporting piece; the first fixed stopper is fixedly connected with the first mounting plate;
a second mounting plate; the second mounting plate is fixedly connected with the supporting piece; the second fixed stopper is fixedly connected with the second mounting plate; the first mounting plate and the second mounting plate are respectively positioned on two sides of the first movable piece
A first slide bar; the first sliding rod is in sliding fit with the first mounting plate, and two ends of the first sliding rod are fixedly connected with the first movable stopper and the first handle respectively; the first handle is disposed between the first handle and the first mounting plate;
a second slide bar; the second sliding rod is in sliding fit with the second mounting plate, and two ends of the second sliding rod are fixedly connected with the second movable stopper and the second handle respectively; the second elastic member is disposed between the second handle and the second mounting plate.
As another preferable scheme of the embodiment of the invention, a first bolt is slidably arranged on the first handle, and a second bolt is slidably arranged on the second handle; and two groups of second jacks corresponding to the first bolt and the second bolt respectively are arranged on the supporting piece.
As another preferable scheme of the embodiment of the present invention, the guard rail further includes:
two groups of universal wheels corresponding to the supporting pieces; the bottom of the supporting piece is provided with an installation groove, and the universal wheel is movably arranged in the installation groove;
and the two groups of adjusting mechanisms correspond to the universal wheels and have a self-locking function and are used for enabling the universal wheels to extend out of or retract into the mounting groove.
As another preferable aspect of the embodiment of the present invention, the adjusting mechanism includes:
a lifting member; the universal wheel is arranged at the bottom of the lifting piece;
a guide bar; the guide rod is in sliding fit with the lifting piece; the guide rod is fixedly arranged in the mounting groove;
a screw; the screw rod is in threaded fit with the lifting piece; the screw is rotatably arranged in the mounting groove;
and the driving assembly is used for driving the screw rod to rotate.
As another preferable aspect of the embodiment of the present invention, the driving assembly includes:
a driven bevel gear; the driven bevel gear is fixedly connected with the screw;
a drive bevel gear; the driving bevel gear is meshed with the driven bevel gear;
a rotating shaft; the rotating shaft is fixedly connected with the driving bevel gear and is rotationally connected with the supporting piece;
a third handle; the third handle is fixedly connected with the rotating shaft.
Another object of the embodiments of the present invention is to provide a protection device for road construction, wherein the protection device is formed by splicing a plurality of sets of the above-mentioned guard railings; two adjacent groups of the guard rails are detachably connected through a second rotating assembly, and the second rotating assembly is used for enabling the two adjacent groups of the guard rails to rotate relatively.
As another preferable aspect of the embodiment of the present invention, the second rotating assembly includes:
two groups of fourth connecting pieces; two groups of the fourth connecting pieces are fixed on one group of the supporting pieces;
two sets of nuts;
a second pin shaft; two ends of the second pin shaft are respectively provided with external threads matched with the two groups of nuts; the second pin shaft is detachably arranged between the two groups of fourth connecting pieces through the two groups of nuts;
a third connecting member; the third connecting piece is fixedly connected with the other group of the supporting pieces; a positioning hole matched with the second pin shaft is formed in the third connecting piece;
the second locking screw is used for limiting the third connecting piece to rotate; and the second locking screw is in threaded fit with one group of the fourth connecting pieces.
According to the protective guard for road construction provided by the embodiment of the invention, the two groups of first moving parts can rotate relatively by arranging the first rotating assembly so as to change the size of an included angle formed between the two groups of first moving parts, so that the whole protective guard can be adjusted into different broken line shapes according to actual requirements, and the protective guard is suitable for different road construction occasions. In addition, the automatic limiting component and the limit component are arranged, so that the first moving part can be limited automatically when the first moving part slides to the position farthest from or closest to the support part, the first moving part with the adjusted position does not need to be limited manually, the protective guard can be used conveniently, and the stability of the protective guard in use can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a guard rail for road construction according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic perspective view of a first telescopic assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a protection device for road construction according to an embodiment of the present invention.
In the figure: 1-supporting piece, 2-first moving piece, 3-first fixing piece, 4-second moving piece, 5-second fixing piece, 6-mounting groove, 7-universal wheel, 9-connecting plate, 10-first connecting piece, 11-second connecting piece, 12-first pin shaft, 13-first locking screw, 14-first limiting piece, 15-second limiting piece, 16-first mounting plate, 17-first fixed stopper, 18-first movable stopper, 19-first sliding rod, 20-first elastic piece, 21-first handle, 22-first fixed block, 23-first bolt, 24-first jack, 25-second mounting plate, 26-second handle, 27-second fixed stopper, 28-second movable stopper, 29-a second sliding rod, 30-a second elastic element, 31-a second fixed block, 32-a second bolt, 33-a second jack, 34-a third handle, 35-a lifting element, 36-a guide rod, 37-a screw, 38-a driven bevel gear, 39-a driving bevel gear, 40-a rotating shaft, 41-a third connecting element, 42-a positioning hole, 43-a fourth connecting element, 44-a second locking screw, 45-a second pin shaft and 46-a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In addition, in the description of the present application, terms used should be construed broadly, and specific meanings of the terms may be understood by those skilled in the art according to actual situations. For example, the term "mounted" as used in this application may be defined as a fixed mounting that is removable or a fixed mounting that is not removable, etc.; the terms "set" and "provided" as used herein may be defined as either a contact or a non-contact arrangement, etc.; the terms "connected" and "coupled" as used herein may be defined as a fixed mechanical connection such as welded, riveted, bolted, interference fit, or as a movable mechanical connection such as hinged, connected through bearings, etc.; all the terms of orientation used are used with reference to the drawings or are based on the direction defined by the actual situation and the common general knowledge.
As shown in fig. 1, in one embodiment of the present invention, there is provided a guard rail for road construction, including:
two sets of support members 1;
at least one set of first telescoping components; the first telescopic assembly comprises two groups of first moving parts 2 corresponding to the two groups of supporting parts 1, and the two groups of first moving parts 2 are arranged between the two groups of supporting parts 1 in a sliding manner;
the first rotating assembly is used for enabling the two groups of first moving pieces 2 to rotate relatively; the two groups of first moving pieces 2 are in rotating connection through the first rotating assembly;
two groups of automatic limiting assemblies respectively corresponding to the two groups of first moving parts 2; when the first moving part 2 slides to the position farthest from or closest to the supporting part 1, the automatic limiting component automatically limits the first moving part 2 to slide;
and the limit releasing component is used for releasing the limit effect of the automatic limit component on the first moving part 2.
In practical applications, the supporting member 1 may have a columnar structure; the first telescopic assemblies can be only provided in one group; the first telescopic assembly also comprises two groups of first fixing pieces 3 positioned between the two groups of supporting pieces 1; the two sets of first fixing members 3 are respectively fixed on the two sets of supporting members 1, and the two sets of first moving members 2 are respectively sleeved on the two sets of first fixing members 3 and are respectively in sliding fit with the two sets of first fixing members 3.
In addition, the guard rail can also comprise one or more groups of second telescopic assemblies; the structure of the second telescopic assembly can be the same as that of the first telescopic assembly, and the second telescopic assembly can comprise two groups of second movable parts 4 and two groups of second fixed parts 5; the two groups of second movable pieces 4 are respectively sleeved on the two groups of second fixed pieces 5 and are respectively in sliding fit with the two groups of second fixed pieces 5; two groups of second fixing pieces 5 are respectively fixed on the two groups of supporting pieces 1; the two groups of second movable pieces 4 can also be in rotary connection through the first rotating assembly; the first movable part 2 and the second movable part 4 on the same set of supporting parts 1 can be fixedly connected through a connecting plate 9.
According to the embodiment of the invention, the two groups of first moving parts 2 can rotate relatively by arranging the first rotating assembly, so that the size of an included angle formed between the two groups of first moving parts 2 is changed, and the whole protective guard can be adjusted into different broken line shapes according to actual requirements, so that the protective guard is suitable for different road construction occasions. In addition, by arranging the automatic limiting component and the deblocking component, the embodiment of the invention is convenient for automatically limiting the first moving part 2 when the first moving part 2 slides to the farthest position and the nearest position away from the supporting part 1, the first moving part 2 with the adjusted position does not need to be manually limited, the protective guard is convenient to use, and the stability of the protective guard in use can be ensured.
In a preferred embodiment of the present invention, as shown in fig. 1, the first rotating assembly comprises:
two sets of first connecting members 10; two groups of first connecting pieces 10 are fixed on one group of first moving pieces 2;
a second connecting member 11; the second connecting pieces 11 are rotatably arranged between the two groups of the first connecting pieces 10 through first pin shafts 12 and are fixedly connected with the other group of the first moving pieces 2;
a first locking screw 13 for limiting the rotation of the second connecting member 11; the first locking screw 13 is in threaded fit with one group of the first connecting pieces 10 and abuts against the second connecting piece 11.
Specifically, when the size of the included angle formed between the two sets of first moving parts 2 needs to be adjusted, the first locking screw 13 is rotated, so that the first locking screw 13 is not in contact with the second connecting member 11, and the two sets of first moving parts 2 can be rotated, thereby achieving the purpose of adjusting the size of the included angle formed between the two sets of first moving parts 2; after adjustment, the first locking screws 13 can be screwed to tightly contact the second connecting members 11 so as to limit the two sets of first moving members 2 from rotating, thereby ensuring the stability of the guard rail in use.
In another preferred embodiment of the present invention, as shown in fig. 1 and 3, the automatic stopper assembly comprises:
a first stopper 14; the first limiting piece 14 is of a wedge-shaped structure and is fixedly connected with the first movable piece 2;
a second stopper 15; the second limiting piece 15 is of a wedge-shaped structure and is fixedly connected with the first moving piece 2; the first limiting part 14 and the second limiting part 15 are respectively fixed at two sides of the first movable part 2, and the inclined planes of the first limiting part 14 and the second limiting part 15 face opposite directions;
a first fixed stopper 17; the first fixed stopper 17 is fixed on a side of the first limiting member 14 away from the supporting member 1;
a second fixed stopper 27; the second fixed stop 27 is fixed on one side of the second limiting member 15 close to the supporting member 1;
a first movable stopper 18; the first movable stopper 18 is movably arranged on one side of the first fixed stopper 17 close to the support member 1 through a first elastic member 20; when the first position-limiting member 14 slides to contact with the first fixed stopper 17, the first movable stopper 18 automatically clamps the first position-limiting member 14 between the first fixed stopper 17 and the first movable stopper 18;
a second movable stop 28; the second movable stopper 28 is movably disposed on a side of the second fixed stopper 27 away from the supporting member 1 through a second elastic member 30; when the second position-limiting member 15 slides to contact with the second fixed stopper 27, the second movable stopper 28 automatically clamps the second position-limiting member 15 between the second fixed stopper 27 and the second movable stopper 28; the first movable stopper 18 and the second movable stopper 28 are both connected to a restriction component, and the restriction component is used for driving the first movable stopper 18 and the second movable stopper 28 to move away from the first movable member 2.
It should be noted that the distance between the first fixed stopper 17 and the first movable stopper 18 matches the width of the first position-limiting member 14; the distance between the second fixed stopper 27 and the second movable stopper 28 matches the width of the second position-limiting member 15; the inclined plane of the first limiting member 14 faces the first fixed stop 17, and the inclined plane of the second limiting member 15 faces the second fixed stop 27; specifically, when the distance between two sets of supporting members 1 needs to be increased, the first moving member 2 can be moved away from the supporting members 1 by sliding the first moving member 2 on one or both sets of supporting members 1; along with the sliding of the first moving member 2, the first limiting member 14 will also move along with the first moving member, and when the first limiting member 14 moves to the first movable stopper 18, the first movable stopper 18 will be pushed upward and continue to move to the first fixed stopper 17, at this time, the first movable stopper 18 will return to the original position under the action of the resilience of the first elastic member 20, so as to clamp the first limiting member 14 between the first fixed stopper 17 and the first movable stopper 18, thereby limiting the first moving member 2 from continuing to slide. Similarly, when the distance between the two sets of supporting members 1 needs to be reduced, the first moving member 2 can be close to the supporting members 1 by sliding the first moving member 2 on one or two sets of supporting members 1; as the first moving member 2 slides, the second limiting member 15 will also move along with the first moving member, and when the second limiting member 15 moves to the second movable stopper 28, the second movable stopper 28 will be pushed downward and will continue to move to the second fixed stopper 27, at this time, the second movable stopper 28 will return to the original position under the action of the resilience of the second elastic member 30, so as to clamp the second limiting member 15 between the second fixed stopper 27 and the second movable stopper 28, thereby limiting the first moving member 2 from continuing to slide.
In another preferred embodiment of the present invention, as shown in fig. 1, the delimitation assembly comprises:
a first mounting plate 16; the first mounting plate 16 is fixedly connected with the support member 1; the first fixed stopper 17 is fixedly connected with the first mounting plate 16;
a second mounting plate 25; the second mounting plate 25 is fixedly connected with the support member 1; the second fixed stopper 27 is fixedly connected with the second mounting plate 25; the first mounting plate 16 and the second mounting plate 25 are respectively located on both sides of the first movable member 2
A first slide bar 19; the first sliding rod 19 is in sliding fit with the first mounting plate 16, and two ends of the first sliding rod are fixedly connected with the first movable stopper 18 and the first handle 21 respectively; the first handle 21 is disposed between the first handle 21 and the first mounting plate 16;
a second slide bar 29; the second sliding rod 29 is in sliding fit with the second mounting plate 25, and two ends of the second sliding rod are fixedly connected with the second movable stopper 28 and the second handle 26 respectively; the second elastic member 30 is disposed between the second handle 26 and the second mounting plate 25.
Specifically, the first elastic element 20 and the second elastic element 30 can both adopt springs or elastic sheets; the first mounting plate 16 and the second mounting plate 25 are respectively located on the upper side and the lower side of the first moving part 2, the first limiting part 14, the first fixed stopper 17 and the first movable stopper 18 are located between the first mounting plate 16 and the first moving part 2, and the second limiting part 15, the second fixed stopper 27 and the second movable stopper 28 are located between the second mounting plate 25 and the first moving part 2, so as to ensure that the first movable stopper 18 cannot limit the second limiting part 15, and ensure that the second movable stopper 28 cannot limit the first limiting part 14. In practical applications, when the first limiting member 14 is clamped between the first fixed stopper 17 and the first movable stopper 18, the first handle 21 is pulled to drive the first sliding rod 19 to slide upwards, so as to drive the first movable stopper 18 to slide upwards, and the bottom of the first movable stopper 18 is higher than the top of the first limiting member 14, so as to stop the limiting function of the first movable stopper 18 on the first limiting member 14. Similarly, when the second position-limiting member 15 is clamped between the second fixed stopper 27 and the second movable stopper 28, the second handle 26 can be pulled to drive the second sliding rod 29 to slide downward, so as to drive the second movable stopper 28 to slide downward, so that the top bottom of the second movable stopper 28 is lower than the bottom of the second position-limiting member 15, and thus the position-limiting effect of the second movable stopper 28 on the second position-limiting member 15 can be released.
In another preferred embodiment of the present invention, as shown in fig. 1, a first latch 23 is slidably disposed on the first handle 21, and a second latch 32 is slidably disposed on the second handle 26; two sets of second insertion holes 33 corresponding to the first bolt 23 and the second bolt 32 are arranged on the supporting member 1.
Specifically, a first fixing block 22 is vertically fixed on the top of the first handle 21, the first bolt 23 is horizontally slidably disposed on the first fixing block 22, the first bolt 23 can be aligned with the first insertion hole 24 by pulling the first handle 21 upward, and at this time, the first bolt 23 can be inserted into the first insertion hole 24 by sliding the first bolt 23, so as to limit the first handle 21, so that the first movable stopper 18 can be always kept without limiting the first limiting member 14, thereby facilitating the operation. Similarly, the bottom of the second handle 26 is vertically fixed with a second fixing block 31, the second pin 32 is horizontally slidably disposed on the second fixing block 31, the second pin 32 can be aligned with the second insertion hole 33 by pulling the second handle 26 downward, at this time, the second pin 32 can be inserted into the second insertion hole 33 by sliding the second pin 32, so as to limit the second handle 26, and therefore the second movable stopper 28 can be always kept without limiting the second limiting member 15, which is convenient for operation.
As shown in fig. 1 to 2, in another preferred embodiment of the present invention, the guard rail further includes:
two sets of universal wheels 7 corresponding to the support 1; the bottom of the support member 1 is provided with an installation groove 6, and the universal wheel 7 is movably arranged in the installation groove 6;
and the two groups of adjusting mechanisms correspond to the universal wheels 7 and have a self-locking function, and are used for enabling the universal wheels 7 to extend out of the mounting groove 6 or retract into the mounting groove 6.
Specifically, as shown in fig. 2, the adjusting mechanism includes:
a lifting member 35; the universal wheel 7 is arranged at the bottom of the lifting piece 35;
a guide rod 36; the guide rod 36 is in sliding fit with the lifting piece 35; the guide rod 36 is fixedly arranged in the mounting groove 6;
a screw 37; the screw 37 is in threaded fit with the lifting piece 35; the screw rod 37 is rotatably arranged in the mounting groove 6;
and the driving component is used for driving the screw rod 37 to rotate.
It should be noted that the guide rod 36 and the screw 37 are respectively located on both sides of the universal wheel 7; the bottom of the guide rod 36 can be fixed with a limiting block, and when the universal wheels 7 are displaced to the limiting block, the extension lengths of the two groups of universal wheels 7 can be ensured, so that the bottoms of the two groups of supporting pieces 1 can be kept on the same horizontal line.
In addition, as shown in fig. 2, the driving assembly includes:
a driven bevel gear 38; the driven bevel gear 38 is fixedly connected with the screw rod 37;
a drive bevel gear 39; the drive bevel gear 39 is engaged with the driven bevel gear 38;
a rotating shaft 40; the rotating shaft 40 is fixedly connected with the driving bevel gear 39 and is rotatably connected with the support member 1;
a third handle 34; the third handle 34 is fixedly connected to the rotating shaft 40.
Specifically, in practical application, the third handle 34 is rotated to drive the driving bevel gear 39 to rotate, the driving bevel gear 39 is rotated to drive the driven bevel gear 38 to rotate, the driven bevel gear 38 is rotated to drive the screw 37 to rotate, and the screw 37 is rotated to slide the lifting member 35 along the guide rod 36, so that the universal wheel 7 can be driven to extend out of or retract into the mounting groove 6 from the mounting groove 6.
As shown in fig. 4, in another embodiment of the present invention, a protective device for road construction is further provided, wherein the protective device is formed by splicing a plurality of sets of the above protective fences; the adjacent two groups of guard railings are detachably connected through a second rotating assembly, and the second rotating assembly is used for enabling the adjacent two groups of guard railings to rotate relatively.
Specifically, as shown in fig. 4, the second rotating assembly includes:
two sets of fourth connectors 43; two sets of the fourth connecting pieces 43 are fixed on one set of the supporting pieces 1;
two sets of nuts 46;
a second pin 45; two ends of the second pin shaft 45 are respectively provided with external threads matched with the two groups of nuts 46; the second pin shaft 45 is detachably mounted between the two groups of the fourth connecting pieces 43 through two groups of the nuts 46;
a third connecting member 41; the third connecting piece 41 is fixedly connected with another group of the supporting pieces 1; a positioning hole 42 matched with the second pin shaft 45 is formed in the third connecting piece 41;
a second locking screw 44 for limiting the rotation of the third connecting member 41; the second locking screw 44 is screw-engaged with one of the sets of the fourth connecting members 43.
When the protection device is used, the nuts 46 on one group of the guard rails can be loosened, the second pin shaft 45 is pulled out of the two groups of the fourth connecting pieces 43, then, the third connecting piece 41 on the other group of the guard rails to be spliced is inserted between the two groups of the fourth connecting pieces 43 on the group of the guard rails, and the second pin shaft 45 is inserted into the positioning hole 42, so that the third connecting piece 41 can rotate around the second pin shaft 45; then, the second pin shaft 45 is locked between the two sets of fourth connecting pieces 43 by the nut 46, and the second locking screw 44 is screwed so that the second locking screw 44 is in close contact with the third connecting piece 41, thereby completing the splicing of the plurality of sets of guard rails and ensuring the stability between the guard rails.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A guard rail for road construction comprises two groups of supporting pieces and at least one group of first telescopic assemblies, and is characterized in that the first telescopic assemblies comprise two groups of first moving pieces corresponding to the two groups of supporting pieces, and the two groups of first moving pieces are arranged between the two groups of supporting pieces in a sliding manner; the guard rail further includes:
the first rotating assembly is used for enabling the two groups of first moving parts to rotate relatively; the two groups of first moving pieces are in rotating connection through the first rotating assembly;
two groups of automatic limiting assemblies respectively corresponding to the two groups of first moving parts; when the first moving part slides to the position farthest from or closest to the supporting part, the automatic limiting component automatically limits the first moving part to slide;
the limit releasing component is used for releasing the limit effect of the automatic limit component on the first movable part;
the first rotating assembly includes:
two sets of first connecting pieces; the two groups of first connecting pieces are fixed on one group of first moving pieces;
a second connecting member; the second connecting pieces are rotatably arranged between the two groups of first connecting pieces through first pin shafts and are fixedly connected with the other group of first moving pieces;
the first locking screw is used for limiting the second connecting piece to rotate; the first locking screw is in threaded fit with one group of the first connecting pieces and abuts against the second connecting piece;
the automatic spacing subassembly includes:
a first limit piece; the first limiting piece is of a wedge-shaped structure and is fixedly connected with the first movable piece;
a second limiting member; the second limiting piece is of a wedge-shaped structure and is fixedly connected with the first movable piece; the first limiting piece and the second limiting piece are respectively fixed on two sides of the first movable piece, and the inclined planes of the first limiting piece and the second limiting piece are opposite in direction;
a first fixed stopper; the first fixed stopper is fixed on one side of the first limiting part far away from the support part;
a second fixed stopper; the second fixed stopper is fixed on one side of the second limiting part close to the support;
a first movable stopper; the first movable stopper is movably arranged on one side of the first fixed stopper close to the supporting piece through a first elastic piece; when the first limiting piece slides to be in contact with the first fixed stopper, the first movable stopper automatically clamps the first limiting piece between the first fixed stopper and the first movable stopper;
a second movable stopper; the second movable stopper is movably arranged on one side of the second fixed stopper far away from the supporting piece through a second elastic piece; when the second limiting member slides to be in contact with the second fixed stopper, the second movable stopper automatically clamps the second limiting member between the second fixed stopper and the second movable stopper; the first movable stopper and the second movable stopper are both connected with a limit-releasing component, and the limit-releasing component is used for driving the first movable stopper and the second movable stopper to be away from the first movable part;
the delimitation assembly comprises:
a first mounting plate; the first mounting plate is fixedly connected with the supporting piece; the first fixed stopper is fixedly connected with the first mounting plate;
a second mounting plate; the second mounting plate is fixedly connected with the supporting piece; the second fixed stopper is fixedly connected with the second mounting plate; the first mounting plate and the second mounting plate are respectively positioned on two sides of the first movable piece
A first slide bar; the first sliding rod is in sliding fit with the first mounting plate, and two ends of the first sliding rod are fixedly connected with the first movable stopper and the first handle respectively; the first handle is disposed between the first handle and the first mounting plate;
a second slide bar; the second sliding rod is in sliding fit with the second mounting plate, and two ends of the second sliding rod are fixedly connected with the second movable stopper and the second handle respectively; the second elastic piece is arranged between the second handle and the second mounting plate;
a first bolt is arranged on the first handle in a sliding manner, and a second bolt is arranged on the second handle in a sliding manner; and two groups of second jacks corresponding to the first bolt and the second bolt respectively are arranged on the supporting piece.
2. The guard rail for road construction according to claim 1, further comprising:
two groups of universal wheels corresponding to the supporting pieces; the bottom of the supporting piece is provided with an installation groove, and the universal wheel is movably arranged in the installation groove;
and the two groups of adjusting mechanisms correspond to the universal wheels and have a self-locking function and are used for enabling the universal wheels to extend out of or retract into the mounting groove.
3. The guard rail for road construction according to claim 2, wherein the adjusting mechanism comprises:
a lifting member; the universal wheel is arranged at the bottom of the lifting piece;
a guide bar; the guide rod is in sliding fit with the lifting piece; the guide rod is fixedly arranged in the mounting groove;
a screw; the screw rod is in threaded fit with the lifting piece; the screw is rotatably arranged in the mounting groove;
and the driving assembly is used for driving the screw rod to rotate.
4. The guard rail for road construction according to claim 3, wherein the driving assembly comprises:
a driven bevel gear; the driven bevel gear is fixedly connected with the screw;
a drive bevel gear; the driving bevel gear is meshed with the driven bevel gear;
a rotating shaft; the rotating shaft is fixedly connected with the driving bevel gear and is rotationally connected with the supporting piece;
a third handle; the third handle is fixedly connected with the rotating shaft.
5. A protection device for road construction is characterized in that the protection device is formed by splicing a plurality of groups of protective guards according to any one of claims 1 to 4; two adjacent groups of the guard rails are detachably connected through a second rotating assembly, and the second rotating assembly is used for enabling the two adjacent groups of the guard rails to rotate relatively.
6. A guard means as claimed in claim 5, wherein the second rotation assembly includes:
two groups of fourth connecting pieces; two groups of the fourth connecting pieces are fixed on one group of the supporting pieces;
two sets of nuts;
a second pin shaft; two ends of the second pin shaft are respectively provided with external threads matched with the two groups of nuts; the second pin shaft is detachably arranged between the two groups of fourth connecting pieces through the two groups of nuts;
a third connecting member; the third connecting piece is fixedly connected with the other group of the supporting pieces; a positioning hole matched with the second pin shaft is formed in the third connecting piece;
the second locking screw is used for limiting the third connecting piece to rotate; and the second locking screw is in threaded fit with one group of the fourth connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378912.8A CN111502405B (en) | 2020-05-07 | 2020-05-07 | Rail guard and protector that road construction used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378912.8A CN111502405B (en) | 2020-05-07 | 2020-05-07 | Rail guard and protector that road construction used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111502405A CN111502405A (en) | 2020-08-07 |
| CN111502405B true CN111502405B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010378912.8A Active CN111502405B (en) | 2020-05-07 | 2020-05-07 | Rail guard and protector that road construction used |
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| CN (1) | CN111502405B (en) |
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| JP2008075402A (en) * | 2006-09-25 | 2008-04-03 | Jfe Metal Products & Engineering Inc | Bracket for guard fence, and guard fence |
| CN107654079A (en) * | 2017-09-28 | 2018-02-02 | 成都科创城科技有限公司 | A kind of Combined barrier |
| CN108113314A (en) * | 2017-12-25 | 2018-06-05 | 张发辉 | A kind of Cribguard |
| CN108894586A (en) * | 2018-07-27 | 2018-11-27 | 马琪吉 | A kind of building road foundation pit safety device |
| CN208347441U (en) * | 2018-05-18 | 2019-01-08 | 王俊清 | It is a kind of can horizontal stretch convenient protective fence |
| CN208676788U (en) * | 2017-10-25 | 2019-04-02 | 张发辉 | A kind of elevating guardrail |
| CN110952564A (en) * | 2019-12-30 | 2020-04-03 | 甘肃楷越建设工程有限公司 | Road pit safety device |
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2020
- 2020-05-07 CN CN202010378912.8A patent/CN111502405B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008075402A (en) * | 2006-09-25 | 2008-04-03 | Jfe Metal Products & Engineering Inc | Bracket for guard fence, and guard fence |
| CN107654079A (en) * | 2017-09-28 | 2018-02-02 | 成都科创城科技有限公司 | A kind of Combined barrier |
| CN208676788U (en) * | 2017-10-25 | 2019-04-02 | 张发辉 | A kind of elevating guardrail |
| CN108113314A (en) * | 2017-12-25 | 2018-06-05 | 张发辉 | A kind of Cribguard |
| CN208347441U (en) * | 2018-05-18 | 2019-01-08 | 王俊清 | It is a kind of can horizontal stretch convenient protective fence |
| CN108894586A (en) * | 2018-07-27 | 2018-11-27 | 马琪吉 | A kind of building road foundation pit safety device |
| CN110952564A (en) * | 2019-12-30 | 2020-04-03 | 甘肃楷越建设工程有限公司 | Road pit safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111502405A (en) | 2020-08-07 |
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Effective date of registration: 20210428 Address after: Room 1510, building 3, Tian'an Nanhai digital new town, No.1 Jianping Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Applicant after: Guangdong Road Construction Engineering Co.,Ltd. Address before: No.30, group 4, ludun village, Suyu Economic Development Zone, Suqian City, Jiangsu Province Applicant before: Wu Manyi |
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