CN114875824A - Highway limit for height device that can adjust - Google Patents

Highway limit for height device that can adjust Download PDF

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Publication number
CN114875824A
CN114875824A CN202210496895.7A CN202210496895A CN114875824A CN 114875824 A CN114875824 A CN 114875824A CN 202210496895 A CN202210496895 A CN 202210496895A CN 114875824 A CN114875824 A CN 114875824A
Authority
CN
China
Prior art keywords
limiting
pipe
fixed
screw rod
signboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210496895.7A
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Chinese (zh)
Inventor
高昌
窦瑞杰
寇永大
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Traffic Planning Survey Design Institute Co Ltd
Original Assignee
Shanxi Traffic Planning Survey Design Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Traffic Planning Survey Design Institute Co Ltd filed Critical Shanxi Traffic Planning Survey Design Institute Co Ltd
Priority to CN202210496895.7A priority Critical patent/CN114875824A/en
Publication of CN114875824A publication Critical patent/CN114875824A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/044Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions

Abstract

The invention discloses an adjustable highway height limiting device, and relates to the technical field of height limiting devices.A supporting mechanism is arranged on the left and right of an upper connecting rod and a lower connecting rod; the limiting mechanism is connected with the first connecting rod left and right; the early warning mechanism is arranged on the front side of the first signboard; the height of the road can be adjusted according to the required height and the width of the road, and the application range is wide; the height limit of the driver is prompted in advance, and traffic accidents caused by the fact that the driver is not in time to brake are avoided.

Description

Highway limit for height device that can adjust
Technical Field
The invention relates to the technical field of height limiting devices, in particular to an adjustable expressway height limiting device.
Background
The height limiting device is usually arranged in advance before entering the expressway to prompt a driver of the required height limitation of tunnels, bridge openings and the like on the expressway, and if the driver does not pay attention to the height limiting device, the driver is easy to hit a height limiting rod to cause traffic accidents, and paths before entering the expressway are usually different in width.
Disclosure of Invention
The invention aims to provide an adjustable expressway height limiting device aiming at the defects and shortcomings of the prior art, which can be adjusted according to the required height and the width of a road and has wide application range; the height limit of the driver is prompted in advance, and traffic accidents caused by the fact that the driver is not in time to brake are avoided.
In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises a first connecting rod and a first signboard; the front sides of the upper and lower first connecting rods are fixed with first signboard;
it also includes:
the supporting mechanism is arranged on the left and right of the upper and lower first connecting rods;
the limiting mechanism is connected with the left and right sides of the first connecting rod;
the early warning mechanism is arranged on the front side of the first signboard;
through the technical scheme, the height of the first signboard is adjusted by the supporting mechanism, and the first signboard is fixed in the horizontal direction by the limiting mechanism; when the automobile does not notice the height limiting device, the automobile can firstly touch the early warning mechanism, and the automobile is prevented from colliding with the first connecting rod to cause an automobile accident.
Preferably, the support mechanism comprises:
the first fixing box is arranged on the left side of the first signboard;
the motor is fixed on the inner bottom plate of the first fixed box; the motor is connected with an external power supply;
the first screw rod is screwed and inserted on the top plate of the first fixed box through a sealing bearing; the bottom of the first screw is fixed with an output shaft of the motor;
the first internal thread pipe is sleeved on the first screw rod in a threaded manner;
the second fixing box is arranged on the right side of the first signboard;
the first limiting rod is fixed on the top plate of the second fixing box;
the first limiting pipe is movably sleeved on the first limiting rod;
the number of the connecting pipes is four, and the connecting pipes are respectively fixed at the upper end of the right side wall of the first internal threaded pipe and the upper end of the left side wall of the first limiting pipe from top to bottom; the left and right ends of the upper and lower first connecting rods are movably inserted in the upper and lower left and right connecting pipes respectively; the lower end of the first identification layer is flush with the lower end of the connecting pipe below the first identification layer;
through the design of the technical scheme, the position of the connecting rod in the connecting pipe is adjusted according to the width of a road, the starting motor drives the screw rod to rotate, and under the action of the limiting pipe, the internal thread pipe is lifted, and the height of the connecting pipe below is adjusted to the height limiting position.
Preferably, a second internal thread pipe is fixed at the bottom of the right side wall of the first limiting pipe, a second screw rod is screwed in the second internal thread pipe through threads, and the bottom of the second screw rod is screwed on and penetrates through a top plate of the second fixing box;
through the design of the technical scheme, after the position of the signboard is adjusted, the screw rod II is sequentially screwed to penetrate through the top plate of the internal thread pipe II and the top plate of the fixing box II, so that the limiting pipe I is fixed, and the effect of supporting is achieved.
Preferably, the limiting mechanism comprises:
the number of the limiting screws is two, the upper and lower sides of the annular wall of the connecting pipe are both provided with sliding grooves, and the left and right limiting screws are movably inserted into the sliding grooves adjacent to the left and right limiting screws respectively; the left end and the right end of the first connecting rod are respectively abutted on the left limiting screw and the right limiting screw;
the number of the nuts is four, the nuts are respectively screwed at the upper end and the lower end of the limiting screw rod through threads, and the inner side of each nut abuts against the connecting pipe;
through the design of the technical scheme, after the position of the connecting rod is adjusted, the left limiting screw and the right limiting screw are movably inserted into the adjacent sliding grooves respectively, the left end and the right end of the connecting rod are respectively abutted to the left limiting screw and the right limiting screw, the four nuts are respectively screwed to the upper end and the lower end of the limiting screw through threads, and the inner sides of the nuts are abutted to the connecting pipe, so that the connecting rod is fixed, and the signboard is prevented from shaking.
Preferably, the early warning mechanism comprises:
the two connecting rods are respectively fixed on the front side wall of the first internal thread pipe and the front side wall of the first limiting pipe;
the number of the third internal thread pipes is two, the third internal thread pipes are respectively fixed at the front ends of the second connecting rods, a third screw rod is inserted into the third internal thread pipes in a screwed mode, and an installation seat is fixed at the bottom of the third screw rod;
the number of the connecting blocks is two, and the connecting blocks are respectively fixed on the third internal threaded pipe; a rotating groove is formed in the inner side wall of the connecting block;
the number of the third connecting rods is two, and the third connecting rods are respectively arranged in the rotating grooves;
the connecting shaft is screwed on the upper side wall and the lower side wall of the rotating groove through a bearing and penetrates through the third connecting rod;
the number of the torsion springs is two, the torsion springs are respectively sleeved on the connecting shaft, one end of each torsion spring is fixed with the connecting shaft, and the other end of each torsion spring is fixed with the third connecting rod;
the number of the fourth internal thread pipes is two, and the four internal thread pipes are respectively fixed at the inner ends of the third connecting rods; a fourth screw rod is inserted into the fourth internal thread pipe in a screwed manner through threads;
the number of the second signboard is two, and the second signboard is respectively fixed on the front side of the fourth internal thread pipe
The number of the magnets is two, the magnets are respectively fixed at the inner end of the fourth screw rod, and the left magnet and the right magnet are mutually attracted;
through the technical scheme, the third screw rod is rotated to enable the third internal threaded pipe to ascend, the second signboard and the first signboard are arranged in a flush mode, and the fourth screw rod is rotated according to the distance between the connecting pipes to enable the left magnet and the right magnet to attract each other; after the automobile collides with the fourth internal threaded pipe, the magnets are separated, so that the impact on the automobile is small, the automobile can be braked in time, and after the automobile is driven away, the magnets can return to the original positions and attract the automobile together under the action of the torsion spring.
Compared with the prior art, the invention has the beneficial effects that:
1. the supporting mechanism and the limiting mechanism are arranged, the adjusting can be carried out according to the required height and the width of the road, and the application range is wide;
2. the early warning mechanism is arranged to prompt the height limit of a driver in advance, so that traffic accidents caused by the fact that the driver is not in time to brake are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
Fig. 5 is an enlarged view of a portion C in fig. 4.
Description of reference numerals:
the device comprises a first connecting rod 1, a first signboard 2, a supporting mechanism 3, a first fixing box 3-1, a motor 3-2, a first screw rod 3-3, a first internal thread pipe 3-4, a second fixing box 3-5, a first limiting rod 3-6, a first limiting pipe 3-7, a connecting pipe 3-8, a sliding groove 3-8-1, a second internal thread pipe 3-9, a second screw rod 3-10, a limiting mechanism 4, a limiting screw rod 4-1, a nut 4-2, an early warning mechanism 5, a second connecting rod 5-1, a third internal thread pipe 5-2, a third screw rod 5-3, a mounting seat 5-4, a connecting block 5-5, a rotating groove 5-5-1, a third connecting rod 5-6, a connecting shaft 5-7, a torsion spring 5-8, 5-9 parts of a fourth internal threaded pipe, 5-10 parts of a fourth screw, 5-11 parts of a second signboard and 5-12 parts of a magnet.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-5, the present embodiment 1 includes a first connecting rod 1 and a first signboard 2; the front sides of the upper and lower first connecting rods 1 are fixed with a first signboard 2 through bolts;
it also includes:
the supporting mechanism 3 is arranged on the left and right of the upper and lower first connecting rods 1;
the limiting mechanism 4 is connected with the left side and the right side of the first connecting rod 1;
the early warning mechanism 5 is arranged on the front side of the first signboard 2;
in the embodiment 1, the height of the first signboard 2 is adjusted by the supporting mechanism 3, and the first signboard 2 is fixed in the horizontal direction by the limiting mechanism 4; when the automobile does not notice the height limiting device, the automobile can firstly touch the early warning mechanism 5, and the automobile is prevented from colliding the first connecting rod 1 to cause an automobile accident.
Example 2:
referring to fig. 1-3, in the embodiment 1, the supporting mechanism 3 includes:
the first fixing box 3-1 is arranged on the left side of the first signboard 2, and the first fixing box 3-1 is arranged on the left side of the first signboard;
the motor 3-2 is fixed on the inner bottom plate of the first fixing box 3-1 through bolts; the motor 3-2 is connected with an external power supply, and the specific use model of the motor 3-2 is directly purchased, installed and used from the market according to the actual use requirement;
the first screw rod 3-3 is screwed and inserted on the top plate of the first fixed box 3-1 through a sealing bearing; the bottom of the first screw rod 3-3 is fixed with an output shaft of the motor 3-2 through a bolt;
the first internal thread pipe 3-4 is sleeved on the first screw rod 3-3 in a screwing manner through threads, and the first internal thread pipe 3-4 is sleeved on the first screw rod 3-3 in a screwing manner through the threads;
a second fixed box 3-5, wherein the second fixed box 3-5 is arranged on the right side of the first signboard 2;
the first limiting rod 3-6 is fixed on the top plate of the second fixing box 3-5 through a bolt;
the first limiting pipe 3-7 is movably sleeved on the first limiting rod 3-6;
the number of the connecting pipes 3-8 is four, and the connecting pipes 3-8 are respectively fixed at the upper end of the right side wall of the first internal threaded pipe 3-4 and the upper end of the left side wall of the first limiting pipe 3-7 through bolts; the left and right ends of the upper and lower first connecting rods 1 are movably inserted into the upper and lower left and right connecting pipes 3-8 respectively; the lower end of the first identification layer is flush with the lower ends of the connecting pipes 3-8 below;
by adopting the embodiment, the position of the first connecting rod 1 in the connecting pipe 3-8 is adjusted according to the width of a road, the motor 3-2 is started to drive the first screw rod 3-3 to rotate, the first internal thread pipe 3-4 is lifted under the action of the first limiting pipe 3-7, and the height of the connecting pipe 3-8 below is adjusted to the height limiting position.
Example 3:
referring to fig. 1, 2 and 4, on the basis of embodiment 2, a second internal threaded pipe 3-9 is fixed at the bottom of the right side wall of the first limiting pipe 3-7 through a bolt, a second screw rod 3-10 is screwed in the second internal threaded pipe 3-9 through a thread, and the bottom of the second screw rod 3-10 is screwed on and penetrates through a top plate of the second fixing box 3-5;
by adopting the embodiment, after the position of the first signboard 2 is adjusted, the second screw rod 3-10 is sequentially screwed through the second internal thread pipe 3-9 and the top plate of the second fixing box 3-5, so that the first limiting pipe 3-7 is fixed and plays a supporting role.
Example 4:
referring to fig. 4 and 5, based on the embodiment 2, the limiting mechanism 4 includes:
the number of the limiting screws 4-1 is two, the upper and lower sides of the annular wall of the connecting pipe 3-8 are both provided with sliding grooves 3-8-1, and the left and right limiting screws 4-1 are movably inserted into the adjacent sliding grooves 3-8-1 respectively; the left end and the right end of the first connecting rod 1 are respectively abutted against the left limiting screw rod 4-1 and the right limiting screw rod 4-1;
the number of the nuts 4-2 is four, the nuts 4-2 are respectively screwed at the upper end and the lower end of the limiting screw rod 4-1 through threads, and the inner side of the nut 4-2 is abutted against the connecting pipe 3-8;
by adopting the embodiment, after the position of the first connecting rod 1 is adjusted, the left and right two limit screws 4-1 are movably inserted into the adjacent chutes 3-8-1 respectively, the left and right ends of the first connecting rod 1 are abutted against the left and right two limit screws 4-1 respectively, the four nuts 4-2 are screwed at the upper and lower ends of the limit screws 4-1 respectively through threads, and the inner sides of the nuts 4-2 are abutted against the connecting pipes 3-8, so that the first connecting rod 1 is fixed and the first signboard 2 is prevented from shaking.
Example 5:
referring to fig. 1-3, in embodiment 2, the warning mechanism 5 includes:
the number of the second connecting rods 5-1 is two, and the second connecting rods 5-1 are respectively fixed on the front side wall of the first internal threaded pipe 3-4 and the front side wall of the first limiting pipe 3-7 through bolts;
the number of the third internal thread pipes 5-2 is two, the third internal thread pipes 5-2 are respectively fixed at the front end of the second connecting rod 5-1 through bolts, a third screw rod 5-3 is inserted and connected in the third internal thread pipe 5-2 in a rotating mode, and a mounting seat 5-4 is fixed at the bottom of the third screw rod 5-3 through bolts;
the number of the connecting blocks 5-5 is two, and the connecting blocks 5-5 are respectively fixed on a third internal threaded pipe 5-2 through bolts; a rotating groove 5-5-1 is formed in the inner side wall of the connecting block 5-5;
the number of the third connecting rods 5-6 is two, and the third connecting rods 5-6 are respectively arranged in the rotating grooves 5-5-1;
the connecting shaft 5-7 is screwed on the upper side wall and the lower side wall of the rotating groove 5-5-1 through a bearing, and the connecting shaft 5-7 penetrates through the third connecting rod 5-6;
the number of the torsion springs 5-8 is two, the torsion springs 5-8 are respectively sleeved on the connecting shafts 5-7, one ends of the torsion springs 5-8 are fixed with the connecting shafts 5-7, and the other ends of the torsion springs 5-8 are fixed with the third connecting rods 5-6;
the number of the fourth internal threaded pipes 5-9 is two, and the fourth internal threaded pipes 5-9 are fixed at the inner ends of the third connecting rods 5-6 through bolts respectively; a fourth screw rod 5-10 is inserted in the fourth internal thread pipe 5-9 through screw thread;
the number of the second signboard 5-11 is two, and the second signboard 5-11 is respectively fixed on the front side of the fourth internal thread pipe 5-9 through bolts
The number of the magnets 5-12 is two, the magnets 5-12 are respectively fixed at the inner ends of the four-number screw rods 5-10 through bolts, and the left magnet 5-12 and the right magnet 5-12 are arranged in an attracting mode;
by adopting the embodiment, the third screw 5-3 is rotated to enable the third internally threaded pipe 5-2 to rise, the second signboard 5-11 is flush with the first signboard 2, and the fourth screw 5-10 is rotated according to the distance between the connecting pipes 3-8 to enable the left magnet 5-12 and the right magnet 5-12 to attract each other; when the automobile collides with the fourth internal threaded pipe 5-9, the magnets 5-12 are separated, so that the impact on the automobile is small, the automobile can be braked in time, and after the automobile is driven away, the magnets 5-12 can return to and attract together under the action of the torsion springs 5-8.
When the road connecting device is used, the position of a first connecting rod 1 in a connecting pipe 3-8 is adjusted according to the width of a road, a motor 3-2 is started to drive a first screw rod 3-3 to rotate, a first internal thread pipe 3-4 is lifted under the action of a first limiting pipe 3-7, and the height of the connecting pipe 3-8 below is adjusted to a height limiting position; after the position of the first signboard 2 is adjusted, a second screw 3-10 is sequentially screwed through a second internal threaded pipe 3-9 and a top plate of a second fixing box 3-5, so that a first limiting pipe 3-7 is fixed and plays a supporting role; after the position of the first connecting rod 1 is adjusted, a left limiting screw rod 4-1 and a right limiting screw rod 4-1 are movably inserted into a sliding groove 3-8-1 adjacent to the left limiting screw rod 1 respectively, the left end and the right end of the first connecting rod 1 are abutted against the left limiting screw rod 4-1 and the right limiting screw rod 4-1 respectively, four nuts 4-2 are screwed at the upper end and the lower end of the limiting screw rod 4-1 respectively through threads, and the inner sides of the nuts 4-2 are abutted against a connecting pipe 3-8, so that the first connecting rod 1 is fixed, and the first signboard 2 is prevented from shaking; rotating the third screw rod 5-3 to enable the third internally threaded pipe 5-2 to rise, arranging the second signboard 5-11 to be flush with the first signboard 2, and rotating the fourth screw rod 5-10 according to the distance between the connecting pipes 3-8 to enable the left magnet 5-12 and the right magnet 5-12 to attract each other; when the automobile collides with the fourth internal threaded pipe 5-9, the magnets 5-12 are separated, so that the impact on the automobile is small, the automobile can be braked in time, and after the automobile is driven away, the magnets 5-12 can return to and attract together under the action of the torsion springs 5-8.
After adopting above-mentioned structure, this embodiment's beneficial effect does:
1. the supporting mechanism 3 and the limiting mechanism 4 are arranged, the adjusting can be carried out according to the required height and the width of the road, and the application range is wide;
2. the early warning mechanism 5 is arranged to prompt the height limit of a driver in advance, so that traffic accidents caused by the fact that the driver cannot reach the brake can be avoided.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. An adjustable expressway height limiting device comprises a first connecting rod (1) and a first signboard (2); a first signboard (2) is fixed on the front side of the upper and lower first connecting rods (1);
it is characterized in that it also comprises:
the supporting mechanisms (3) are arranged on the left and right of the upper and lower first connecting rods (1);
the limiting mechanism (4), the limiting mechanism (4) is connected with the left and right of the first connecting rod (1);
the early warning mechanism (5), the said early warning mechanism (5) locates the front side of the signboard (2);
the height of the first signboard (2) is adjusted by the supporting mechanism (3), and the first signboard (2) is fixed in the horizontal direction by the limiting mechanism (4); when the automobile does not notice the height limiting device, the automobile can firstly touch the early warning mechanism (5), and the automobile is prevented from colliding the first connecting rod (1) to cause an automobile accident.
2. An adjustable highway height limiting device according to claim 1, wherein: the supporting mechanism (3) comprises:
the first fixing box (3-1), the first fixing box (3-1) is arranged on the left side of the first signboard (2);
the motor (3-2), the motor (3-2) is fixed on the inner bottom plate of the first fixed box (3-1); the motor (3-2) is connected with an external power supply;
the first screw rod (3-3) is screwed and inserted on the top plate of the first fixed box (3-1) through a sealing bearing; the bottom of the first screw rod (3-3) is fixed with an output shaft of the motor (3-2);
the first internal thread pipe (3-4) is sleeved on the first screw rod (3-3) in a screwed manner through threads;
the second fixing box (3-5) is arranged on the right side of the first signboard (2);
the first limiting rod (3-6) is fixed on the top plate of the second fixing box (3-5);
the first limiting pipe (3-7), the first limiting pipe (3-7) is movably sleeved on the first limiting rod (3-6);
the number of the connecting pipes (3-8) is four, and the four connecting pipes (3-8) are respectively fixed to the upper end of the right side wall of the first internal threaded pipe (3-4) and the upper end of the left side wall of the first limiting pipe (3-7) from top to bottom; the left and right ends of the upper and lower first connecting rods (1) are movably inserted in the upper and lower left and right connecting pipes (3-8) respectively; the lower end of the first identification layer is flush with the lower end of the connecting pipe (3-8) below;
according to the width of a road, the position of a first connecting rod (1) in a connecting pipe (3-8) is adjusted, a motor (3-2) is started to drive a first screw rod (3-3) to rotate, under the action of a first limiting pipe (3-7), a first internal thread pipe (3-4) is lifted, and the height of the connecting pipe (3-8) below is adjusted to the height limiting position.
3. An adjustable highway height limiting device according to claim 2, wherein: a second internal threaded pipe (3-9) is fixed at the bottom of the right side wall of the first limiting pipe (3-7), a second screw rod (3-10) is screwed in the second internal threaded pipe (3-9) through threads, and the bottom of the second screw rod (3-10) is screwed on and arranged on the top plate of the second fixing box (3-5);
after the position of the first signboard (2) is adjusted, the second screw (3-10) is sequentially screwed and penetrates through the second internal threaded pipe (3-9) and the top plate of the second fixing box (3-5), so that the first limiting pipe (3-7) is fixed and plays a supporting role.
4. An adjustable highway height limiting device according to claim 2, wherein: the limiting mechanism (4) comprises:
the number of the limiting screws (4-1) is two, the upper and lower sides of the annular wall of the connecting pipe (3-8) are provided with sliding grooves (3-8-1), and the left and right limiting screws (4-1) are movably inserted into the sliding grooves (3-8-1) adjacent to the connecting pipe respectively; the left end and the right end of the first connecting rod (1) are respectively abutted against the left limiting screw rod and the right limiting screw rod (4-1);
the number of the nuts (4-2) is four, the nuts (4-2) are respectively screwed at the upper end and the lower end of the limiting screw rod (4-1) through threads, and the inner side of the nut (4-2) is abutted against the connecting pipe (3-8);
after the position of the first connecting rod (1) is adjusted, the left limiting screw rod (4) and the right limiting screw rod (4-1) are movably inserted into the adjacent sliding grooves (3-8-1) respectively, the left end and the right end of the first connecting rod (1) are abutted to the left limiting screw rod (4-1) and the right limiting screw rod (4-1) respectively, the four nuts (4-2) are screwed to the upper end and the lower end of the limiting screw rod (4-1) respectively through threads, and the inner sides of the nuts (4-2) are abutted to the connecting pipes (3-8), so that the first connecting rod (1) is fixed, and the first signboard (2) is prevented from shaking.
5. An adjustable highway height limiting device according to claim 2, wherein: the early warning mechanism (5) comprises:
the number of the second connecting rods (5-1) is two, and the two second connecting rods (5-1) are respectively fixed on the front side wall of the first internal threaded pipe (3-4) and the front side wall of the first limiting pipe (3-7);
the number of the third internal thread pipes (5-2) is two, the third internal thread pipes (5-2) are respectively fixed at the front end of the second connecting rod (5-1), a third screw rod (5-3) is inserted in the third internal thread pipes (5-2) in a rotating manner, and a mounting seat (5-4) is fixed at the bottom of the third screw rod (5-3);
the number of the connecting blocks (5-5) is two, and the connecting blocks (5-5) are respectively fixed on the third internal threaded pipe (5-2); a rotating groove (5-5-1) is formed in the inner side wall of the connecting block (5-5);
the number of the third connecting rods (5-6) is two, and the third connecting rods (5-6) are respectively arranged in the rotating grooves (5-5-1);
the connecting shaft (5-7) is screwed on the upper side wall and the lower side wall of the rotating groove (5-5-1) through a bearing, and the connecting shaft (5-7) penetrates through the third connecting rod (5-6);
the number of the torsion springs (5-8) is two, the torsion springs (5-8) are respectively sleeved on the connecting shafts (5-7), one ends of the torsion springs (5-8) are fixed with the connecting shafts (5-7), and the other ends of the torsion springs (5-8) are fixed with the third connecting rods (5-6);
the number of the fourth internal thread pipes (5-9) is two, and the four internal thread pipes (5-9) are respectively fixed at the inner ends of the third connecting rods (5-6); a fourth screw rod (5-10) is inserted in the fourth internal thread pipe (5-9) through screw thread;
the number of the second signboard (5-11) is two, and the second signboard (5-11) is respectively fixed on the front side of the fourth internal thread pipe (5-9)
The number of the magnets (5-12) is two, the magnets (5-12) are respectively fixed at the inner ends of the four-number screw rods (5-10), and the left magnet (5) and the right magnet (5-12) are arranged in an attracting mode;
rotating the third screw (5-3) to enable the third internal threaded pipe (5-2) to ascend, arranging the second signboard (5-11) and the first signboard (2) in a flush mode, and rotating the fourth screw (5-10) according to the distance between the connecting pipes (3-8) to enable the left magnet (5-12) and the right magnet (5-12) to attract each other; when the automobile collides with the fourth internal threaded pipe (5-9), the magnets (5-12) are separated, so that the impact on the automobile is small, the automobile can be braked in time, and after the automobile is driven away, the magnets (5-12) can return to and attract together under the action of the torsion spring (5-8).
CN202210496895.7A 2022-05-09 2022-05-09 Highway limit for height device that can adjust Pending CN114875824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210496895.7A CN114875824A (en) 2022-05-09 2022-05-09 Highway limit for height device that can adjust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210496895.7A CN114875824A (en) 2022-05-09 2022-05-09 Highway limit for height device that can adjust

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Publication Number Publication Date
CN114875824A true CN114875824A (en) 2022-08-09

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CN202210496895.7A Pending CN114875824A (en) 2022-05-09 2022-05-09 Highway limit for height device that can adjust

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3208674U (en) * 2016-11-17 2017-02-02 株式会社Itm Construction control sign device
CN214363069U (en) * 2020-11-24 2021-10-08 金堆城钼业汝阳有限责任公司 Mine transport vehicle limiting alarm device
CN215482456U (en) * 2021-03-22 2022-01-11 广东臻正建设有限公司 Warning device for municipal engineering construction
CN215888011U (en) * 2021-07-29 2022-02-22 袁旭阳 Road height limit portal for traffic safety facility

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3208674U (en) * 2016-11-17 2017-02-02 株式会社Itm Construction control sign device
CN214363069U (en) * 2020-11-24 2021-10-08 金堆城钼业汝阳有限责任公司 Mine transport vehicle limiting alarm device
CN215482456U (en) * 2021-03-22 2022-01-11 广东臻正建设有限公司 Warning device for municipal engineering construction
CN215888011U (en) * 2021-07-29 2022-02-22 袁旭阳 Road height limit portal for traffic safety facility

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