CN116180639B - Automatic lifting device for highway height limiting rod - Google Patents

Automatic lifting device for highway height limiting rod Download PDF

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Publication number
CN116180639B
CN116180639B CN202310449771.8A CN202310449771A CN116180639B CN 116180639 B CN116180639 B CN 116180639B CN 202310449771 A CN202310449771 A CN 202310449771A CN 116180639 B CN116180639 B CN 116180639B
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CN
China
Prior art keywords
fixedly connected
rod
bearing rod
bearing
shaft
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Active
Application number
CN202310449771.8A
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Chinese (zh)
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CN116180639A (en
Inventor
郎冰怡
郎兴志
刘瑞
马怡飞
李爱民
王志超
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.)
Huixian Zhenyuan Highway Engineering Co ltd
Henan University
Original Assignee
Huixian Zhenyuan Highway Engineering Co ltd
Henan University
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Publication date
Application filed by Huixian Zhenyuan Highway Engineering Co ltd, Henan University filed Critical Huixian Zhenyuan Highway Engineering Co ltd
Priority to CN202310449771.8A priority Critical patent/CN116180639B/en
Publication of CN116180639A publication Critical patent/CN116180639A/en
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Publication of CN116180639B publication Critical patent/CN116180639B/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/048—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses an automatic lifting device for a highway height-limiting rod, which comprises two groups of bearing rods, wherein sliding grooves are formed in the side edges of the bearing rods, a truss is arranged at the top end of each bearing rod, a fixed seat is arranged at the bottom end of each bearing rod, a limiting groove is formed in the top end of each fixed seat, a connecting groove is further formed in the bottom end of each truss, a lifting rod with one end located in each bearing rod is arranged in each sliding groove, a limiting toothed ring is fixedly connected to the position, close to the top end, of each bearing rod, and the automatic lifting device for the highway height-limiting rod relates to the technical field of the height-limiting rod and solves the problems that an original truss has limited upper limit height, the lifting space is limited, the upper space cannot be completely opened, the applicability of special equipment with higher height is poor, when an emergency state occurs, such as a fire-fighting truck needs to rescue through the height-limiting rod, a route is required to be changed or a site to be removed, and the rescue operation is delayed.

Description

Automatic lifting device for highway height limiting rod
Technical Field
The invention relates to the technical field of height limiting rods, in particular to an automatic lifting device for a highway height limiting rod.
Background
The height limiting rod is also called a height limiting frame and is divided into two types, namely a fixed height limiting frame and an adjustable height limiting frame; the fixed integral height limiting frame is mainly used for door-shaped frameworks at the inlets of bridges, culverts and tunnels, is generally formed by welding steel structures, plays a role in protecting the bridges, the culverts and the tunnels, and must be lifted by external force in order to achieve vehicle passing under emergency; the height-limiting frame is divided into a manual height-limiting frame and an electric height-limiting frame; the manual height limiting frame can manually lift the height limiting rod through a manual device when needed; the electric height limiting frame is also divided into an electric height limiting frame, an electric hydraulic height limiting frame, a pneumatic height limiting frame and the like.
The utility model provides a chinese patent of application number CN202222189898.4 discloses a height-limiting pole for highway, including limited height pole subassembly, limit height pole subassembly, including two spinal branch daggers, be used for placing on highway both sides, two spinal branch dagger tops rigid coupling has the roof, roof connection two spinal branch daggers, make its installation more firm, sliding connection has the fly leaf between two spinal branch daggers, play the effect of limit height through the fly leaf, adjusting part, set up between roof and fly leaf, can adjust the height of limit height pole subassembly in the use through adjusting part, in order to make things convenient for it to adjust limit height scope according to the actual conditions, but limit height pole's lift space is limited, can't open the top space completely, when emergency takes place, if the fire engine needs to carry out rescue work through limit height pole, after adjusting limit height pole to the highest height, still can't normally pass through, need change the route or demolish on site, then lead to rescue work delay, therefore, we propose a highway automatic elevating gear.
Disclosure of Invention
The invention aims to provide an automatic lifting device for a highway height limiting rod, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic lifting device for a highway height limiting rod, comprising: two groups of bearing rods, wherein sliding grooves are formed in the side edges of the bearing rods, trusses are arranged at the top ends of the bearing rods, fixed seats are arranged at the bottom ends of the bearing rods, limit grooves are formed in the top ends of the fixed seats, connecting grooves are further formed in the bottom ends of the trusses, lifting rods with one ends located in the bearing rods are arranged in the sliding grooves, limiting toothed rings are fixedly connected to the positions, close to the top ends, of the bearing rods, the limiting toothed rings are arranged at the positions, close to the sliding grooves, of the sliding grooves, matched toothed rings matched with the limiting toothed rings are sleeved at the top ends of the bearing rods, the matched toothed rings are fixedly connected with the bottom ends of the trusses, rotating notch openings located at the top ends of the sliding grooves are provided with arc blocks in sliding connection with the inner walls of the bearing rods, the bearing rod is characterized in that a blocking block is fixedly connected to the inner wall of the bearing rod, an arc shaft with one end fixedly connected with the blocking block is arranged on the blocking block, the other end of the arc shaft is in sliding connection with the arc block, a spring positioned between the arc plate and the blocking block is sleeved on the arc shaft, a connecting mechanism connected with the truss is arranged at the top end of the bearing rod, the problem that the rescue operation is delayed due to the fact that the original truss has limited upper limit height, the lifting space is limited, the upper space cannot be completely opened, and the applicability to special equipment with higher height is poor is solved;
preferably, the installation block is fixedly connected in the bearing rod, the installation block is rotationally connected with a threaded rod arranged in the bearing rod, the threaded rod is in threaded connection with the lifting rod, a connecting shaft matched with the connecting groove is fixedly connected on the lifting rod, a power mechanism is further arranged on the bearing rod, the bottom end of the bearing rod is rotationally connected with a movable shaft, a rectangular groove is formed in the movable shaft, the movable shaft is located in the limiting groove, a first gear is fixedly connected to the bottom end of the movable shaft, a rack fixedly connected with the inside of the fixing seat is meshed with the first gear, and a butt joint mechanism matched with the movable shaft is arranged at the bottom end of the bearing rod.
Preferably, the power mechanism comprises a mounting plate which is arranged on the outer side of the bearing rod and fixedly connected with the bearing rod, a motor is fixedly connected to the mounting plate, a limiting shaft which is matched with the limiting groove is fixedly connected to the bottom end of the mounting plate, a power shaft is fixedly connected to the output end of the motor, and the power shaft is in transmission connection with the threaded rod, so that power is conveniently provided for the whole body.
Preferably, the butt joint mechanism is including setting up in the threaded rod is close to bottom department and rather than fixed connection's coil, coil bottom fixedly connected with first magnet piece, threaded rod bottom sliding connection has the slip cap, slip cap top fixedly connected with second magnet piece, the second magnet piece with the magnetism of first magnet piece is the same, first magnet piece with fixedly connected with cover is located between the second magnet piece first extension spring on the threaded rod, slip cap bottom fixedly connected with the grafting axle of rectangular channel looks adaptation is favorable to controlling whether to drive the removal axle and rotates.
Preferably, the connecting mechanism comprises a rotating disc which is arranged in the bearing rod and is close to the top end and is rotationally connected with the bearing rod, a plurality of groups of telescopic shafts with one ends fixedly connected with the rotating disc are arranged on the rotating disc, the other ends of the telescopic shafts are fixedly connected with the trusses, and a second tension spring is further sleeved on the telescopic shafts, so that the trusses are more stable to be connected with the bearing rod.
Preferably, a first plug-in block is fixedly connected to any one group of trusses, two groups of trusses are plugged through the first plug-in blocks, a second plug-in block is fixedly connected to one end, away from the bearing rod, of any one group of lifting rods, and two groups of lifting rods are plugged through the second plug-in blocks, so that the trusses are kept stable in daily height limiting, and meanwhile, the trusses are matched to operate in return.
Preferably, the driving wheel is fixedly connected to the power shaft, a belt is connected to the driving wheel in a transmission manner, and a driven wheel fixedly connected with the threaded rod is connected to the belt in a transmission manner, so that stable transmission between the power shaft and the threaded rod is facilitated.
Preferably, one end of the plugging shaft, which is close to the rectangular groove, is arranged in a conical shape, so that the plugging shaft can be stably inserted into the rectangular groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention effectively solves the problems that the prior truss has limited upper limit height, limited lifting space and incapability of fully opening the upper space, and poor applicability of special equipment with higher height, when emergency occurs, if a fire truck needs to rescue through the height limiting rod, the fire truck cannot normally pass through the fire truck, a transition route is needed or the fire truck is removed on site, and the rescue is delayed;
2. according to the invention, the two groups of trusses and the two groups of lifting rods are driven by the two groups of bearing rods to be disconnected, the lifting rods simultaneously slide upwards in the sliding grooves through the threaded rods, the connecting shafts on the lifting rods are gradually inserted into the connecting grooves at the bottom ends of the trusses, the trusses are lifted in the continuous lifting process, the matched toothed rings at the bottom ends of the trusses are moved upwards on the top ends of the bearing rods, the matched toothed rings are gradually disengaged from the limiting toothed rings, the trusses are lifted and simultaneously drive the telescopic shafts to stretch, the lifting rods continue to lift until the lifting rods move to the top ends of the sliding grooves and are contacted with the arc-shaped blocks, the threaded rods drive the lifting rods to rotate during rotation, the lifting rods simultaneously drive the trusses to rotate in a mirror image mode, the movement state is door-opening, the space above the limiting rods is free from any limitation, and the truss can freely pass through various vehicles, so that the truss lifting device is beneficial to the situation of various heights.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the bottom end structure of the truss of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a schematic view of the overall internal structure of the load-bearing bar of the present invention;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is an enlarged view of region C of FIG. 4;
FIG. 7 is a schematic view of the bottom end of the bearing rod and the inner structure of the fixing base of the present invention;
FIG. 8 is a schematic view of the overall structure of the fixed interior of the present invention;
FIG. 9 is a schematic view of a docking mechanism according to the present invention;
FIG. 10 is a schematic view of the top structure of the load-bearing bar of the present invention;
FIG. 11 is a schematic view of the structure of the rotating notch of the present invention.
In the figure: 1-a bearing rod; 2-a sliding groove; 3-truss; 4-a first plug block; 5-connecting grooves; 6-fixing base; 7-a limit groove; 9-lifting rods; 10-a second plug-in block; 12-racks; 14-mounting blocks; 15-a threaded rod; 16-connecting shaft; 17-a power mechanism; 18-mounting plates; 19-an electric motor; 20-limiting shafts; 21-a power shaft; 22-a driving wheel; 23-a belt; 24-driven wheel; 25-moving the shaft; 26-rectangular grooves; 27-a first gear; 28-a docking mechanism; 29-coil; 30-a first magnet block; 31-sliding sleeve; 32-a second magnet block; 33-a first tension spring; 34-inserting shaft; 35-limiting gear rings; 36-mating a toothed ring; 37-turning the notch; 38-arc blocks; 39-a blocking piece; 40-arc shaft; 41-a spring; 42-a connection mechanism; 43-rotating disc; 44-telescoping shaft; 45-second tension spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: an automatic lifting device for a highway height limiting rod, comprising: the two groups of bearing rods 1, sliding grooves 2 are formed in the side edges of the bearing rods 1, trusses 3 are arranged at the top ends of the bearing rods 1, the two groups of trusses 3 are arranged at the top ends of the two groups of bearing rods 1 in a mirror image mode, fixed seats 6 are arranged at the bottom ends of the bearing rods 1, the fixed seats 6 are arranged on two sides of a road and used for overall stabilization, limit grooves 7 are formed in the top ends of the fixed seats 6, connecting grooves 5 are further formed in the bottom ends of the trusses 3, lifting rods 9 with one ends in the bearing rods 1 are arranged in the sliding grooves 2 in a mirror image mode, limit toothed rings 35 are fixedly connected to the positions, close to the top ends, of the bearing rods 1 in the position, of the sliding grooves 2 are arranged to be openings, matched toothed rings 36 matched with the limit toothed rings 35 are sleeved at the top ends of the bearing rods 1, the matched toothed rings 36 are fixedly connected with the bottom ends of the trusses 3, the bearing rod 1 is provided with a rotating notch 37 positioned at the top end of the sliding groove 2, the rotating notch 37 is provided with an arc block 38 which is in sliding connection with the inner wall of the bearing rod 1, the inner wall of the bearing rod 1 is also fixedly connected with a blocking block 39, the blocking block 39 is provided with an arc shaft 40 with one end fixedly connected with the arc shaft, the other end of the arc shaft 40 is in sliding connection with the arc block 38, the arc shaft 40 is also sleeved with a spring 41 positioned between the arc plate and the blocking block 39, the top end of the bearing rod 1 is provided with a connecting mechanism 42 connected with the truss 3, the connecting mechanism 42 comprises a rotating disc 43 which is arranged in the bearing rod 1 and is close to the top end and is in rotating connection with the top end, the rotating disc 43 is provided with a plurality of groups of telescopic shafts 44 with one end fixedly connected with the rotating disc, the other end of the telescopic shafts 44 are fixedly connected with the truss 3, a second tension spring 45 is sleeved on the telescopic shaft 44;
the utility model discloses a power transmission belt is characterized in that a mounting block 14 is fixedly connected with in the bearing rod 1, the mounting block 14 rotate be connected with set up in the threaded rod 15 of bearing rod 1 inside, threaded rod 15 with lifter 9 is threaded connection, fixedly connected with on the lifter 9 with the connecting axle 16 of spread groove 5 looks adaptation, still be provided with power unit 17 on the bearing rod 1, bearing rod 1 bottom rotates and is connected with movable shaft 25, set up rectangular slot 26 on the movable shaft 25, movable shaft 25 is located in the spacing groove 7, just movable shaft 25 bottom fixedly connected with first gear 27, first gear 27 meshing be connected with rack 12 of fixing base 6 inside fixedly connected with, bearing rod 1 bottom department be provided with the mounting panel 18 of movable shaft 25 looks adaptation, fixedly connected with motor 19 on the mounting panel 18 bottom still fixedly connected with spacing groove 7 with the drive pulley 20, the drive belt is connected with between the drive belt 21, the drive belt is connected with power shaft 21, the drive belt is connected with power take-off shaft 21 fixedly between the drive pulley 21, the drive belt is connected with the drive pulley 21.
The docking mechanism 28 comprises a coil 29 which is arranged at the position, close to the bottom end, of the threaded rod 15 and is fixedly connected with the threaded rod 15, a first magnet block 30 is fixedly connected with the bottom end of the coil 29, a sliding sleeve 31 is slidably connected with the bottom end of the threaded rod 15, a second magnet block 32 is fixedly connected with the top end of the sliding sleeve 31, the second magnet block 32 has the same magnetism as the first magnet block 30, a first tension spring 33 sleeved on the threaded rod 15 is fixedly connected between the first magnet block 30 and the second magnet block 32, a plug shaft 34 matched with the rectangular groove 26 is fixedly connected with the bottom end of the sliding sleeve 31, the distance between two groups of bearing rods can be enlarged when the limitation is removed, and meanwhile, the truss and the lifting rod are driven to be released from the plug connection, wherein one end, close to the rectangular groove 26, of the plug shaft 34 is arranged to be conical for facilitating the plug shaft 34 to be inserted into the rectangular groove 26.
Any one of the two groups of trusses 3 is fixedly connected with a first plug-in block 4, the two groups of trusses 3 are plugged through the first plug-in blocks 4, any one of the two groups of lifting rods 9 is away from one end of the bearing rod 1 and is fixedly connected with a second plug-in block 10, and the two groups of lifting rods 9 are plugged through the second plug-in blocks 10.
When the height limitation of the height limiting rods is required to be controlled, the motors 19 on the two groups of mounting plates 18 are controlled to operate simultaneously, the output ends of the motors 19 drive the power shafts 21 to rotate, the power shafts 21 drive the driving wheels 22 to rotate, the driven wheels 24 are further driven to rotate through the transmission connection of the belts 23, the driven wheels 24 further drive the threaded rods 15 fixedly connected with the driven wheels to rotate on the mounting blocks 14, the threaded rods 15 are connected with the lifting rods 9 through the threaded rods 15, the two groups of lifting rods 9 are connected through the second plug-in blocks 10, when the two groups of threaded rods 15 rotate, the two groups of moving rods are driven to correspondingly slide up and down in the sliding grooves 2, when the height limitation of the height limiting rods is required to be completely released, the coils 29 are electrified, the first magnet blocks 30 fixedly connected with the coils 29 are magnetic, the second magnet blocks 32 are the same with the first magnet blocks 30, the second magnet blocks 32 are pushed down at the moment, the first tension springs 33 are matched with the threaded rods 15, the bottom ends of the threaded rods 31 are axially inserted into the sliding sleeves 31, and the bottom ends of the sliding sleeves 31 are axially connected with the sliding sleeves 26, and the bottom ends of the sliding sleeves 31 are axially inserted into the sliding sleeves 31, and the sliding sleeves 31 are axially connected with the bottom ends of the sliding sleeves 26;
after the inserting shaft 34 is inserted into the rectangle, the rotating threaded rod 15 drives the moving shaft 25 to rotate through the sliding sleeve 31 and the inserting shaft 34, the moving shaft 25 drives the first gear 27 fixedly connected with the bottom end to rotate, the first gear 27 moves to the other side in the fixed seat 6 through the meshed connection of the first gear 27 and the rack 12, the moving shaft 25 correspondingly moves in the limit groove 7, the moving shaft 25 is connected with the bottom end of the bearing rod 1 in a rotating way, so that the bearing rods 1 are driven to simultaneously move, the two groups of trusses 3 simultaneously move in opposite directions until the first inserting block 4 is disconnected with the other group of trusses 3, the two groups of lifting rods 9 below the trusses 3 simultaneously move, the second inserting block 10 is disconnected with the other group of lifting rods 9, and the limit shaft 20 at the bottom end of the mounting plate 18 correspondingly moves in the limit groove 7 in the moving process;
when two groups of trusses 3 and two groups of lifting rods 9 are disconnected from each other, the lifting rods 9 simultaneously slide upwards in the sliding grooves 2 through the threaded rods 15, the connecting shafts 16 on the lifting rods 9 are gradually inserted into the connecting grooves 5 at the bottom ends of the trusses 3, the trusses 3 are lifted in the continuous lifting process, the matched toothed rings 36 at the bottom ends of the trusses 3 move upwards on the top ends of the bearing rods 1, the matched toothed rings 36 are gradually disengaged from the limiting toothed rings 35, the trusses 3 are lifted and simultaneously drive the telescopic shafts 44 to stretch, the second tension springs 45 are simultaneously matched to stretch, the lifting rods 9 continue to lift until moving to the top ends of the sliding grooves 2 and are contacted with the arc-shaped blocks 38, at the moment, when the threaded rods 15 rotate, the lifting rods 9 are driven to rotate by taking the threaded rods 15 as circle centers, the lifting rod 9 drives the trusses 3 to rotate simultaneously, the two trusses 3 and the two lifting rods 9 rotate simultaneously, the state is door opening, when the lifting rods 9 rotate in the rotating notch 37, the arc-shaped block 38 is extruded, the spring 41 is extruded at the moment, the arc-shaped shaft 40 slides towards the inside of the arc-shaped block 38, the height limiting rod is free of any limitation on a road at the moment, various vehicles can freely pass through, after the height limiting rod is completed, the motor 19 is controlled to rotate reversely, the whole parts of the height limiting rod return, the spring 41 rebounds, the arc-shaped block 38 is pushed to move towards the rotating notch 37 again, after the whole return, the coil 29 is powered off, and at the moment, the height limiting rod can carry out simple height limiting adjustment again.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An automatic lifting device for a highway height limiting rod, which is characterized by comprising: two sets of bearing rods (1), sliding tray (2) have been seted up to bearing rod (1) side, just bearing rod (1) top is provided with truss (3), bearing rod (1) bottom is provided with fixing base (6), spacing groove (7) have been seted up on fixing base (6) top, connecting groove (5) have still been seted up to truss (3) bottom, be provided with one end in sliding tray (2) lifter (9) in bearing rod (1), bearing rod (1) are close to top department fixedly connected with spacing ring gear (35), spacing ring gear (35) are located sliding tray (2) department sets up to the opening, bearing rod (1) top cover be equipped with spacing ring gear (35) looks adaptation cooperation ring gear (36), cooperation ring gear (36) with truss (3) bottom fixed connection, set up on bearing rod (1) and be located rotation notch (37) on sliding tray (2) top, rotation notch (37) are provided with one end and are connected with bearing rod (1) inner wall (39) and arc-shaped block (39) fixed connection one end (39), the other end of the arc-shaped shaft (40) is in sliding connection with the arc-shaped block (38), a spring (41) positioned between the arc-shaped plate and the blocking block (39) is sleeved on the arc-shaped shaft (40), and a connecting mechanism (42) connected with the truss (3) is arranged at the top end of the bearing rod (1);
the device is characterized in that a mounting block (14) is fixedly connected in the bearing rod (1), the mounting block (14) is rotationally connected with a threaded rod (15) arranged in the bearing rod (1), the threaded rod (15) is in threaded connection with the lifting rod (9), a connecting shaft (16) matched with the connecting groove (5) is fixedly connected to the lifting rod (9), a power mechanism (17) is further arranged on the bearing rod (1), a moving shaft (25) is rotationally connected to the bottom end of the bearing rod (1), a rectangular groove (26) is formed in the moving shaft (25), the moving shaft (25) is positioned in the limiting groove (7), a first gear (27) is fixedly connected to the bottom end of the moving shaft (25), a rack (12) fixedly connected with the inside of the fixing seat (6) is meshed and connected to the first gear (27), and a docking mechanism (28) matched with the moving shaft (25) is arranged at the bottom end of the bearing rod (1);
a first plug-in block (4) is fixedly connected to any group of trusses (3), two groups of trusses (3) are plugged through the first plug-in block (4), a second plug-in block (10) is fixedly connected to one end, away from the bearing rod (1), of any group of lifting rods (9), and two groups of lifting rods (9) are plugged through the second plug-in blocks (10);
the butt joint mechanism (28) is including setting up in threaded rod (15) are close to bottom department and rather than fixedly connected with coil (29), coil (29) bottom fixedly connected with first magnet piece (30), threaded rod (15) bottom sliding connection has slip cap (31), slip cap (31) top fixedly connected with second magnet piece (32), second magnet piece (32) with the magnetism of first magnet piece (30) is the same, first magnet piece (30) with fixedly connected with cover between second magnet piece (32) is located first extension spring (33) on threaded rod (15), slip cap (31) bottom fixedly connected with peg graft axle (34) of rectangular channel (26) looks adaptation.
2. The automatic lifting device for a highway height limiting rod according to claim 1, wherein: the power mechanism (17) comprises a mounting plate (18) which is arranged on the outer side of the bearing rod (1) and fixedly connected with the bearing rod, a motor (19) is fixedly connected to the mounting plate (18), a limiting shaft (20) which is matched with the limiting groove (7) is fixedly connected to the bottom end of the mounting plate (18), a power shaft (21) is fixedly connected to the output end of the motor (19), and the power shaft (21) is in transmission connection with the threaded rod (15).
3. The automatic lifting device for a highway height limiting rod according to claim 1, wherein: the connecting mechanism (42) comprises a rotating disc (43) which is arranged inside the bearing rod (1) and is close to the top end and is rotationally connected with the bearing rod, a plurality of groups of telescopic shafts (44) with one ends fixedly connected with the rotating disc (43), the other ends of the telescopic shafts (44) are fixedly connected with the truss (3), and a second tension spring (45) is further sleeved on the telescopic shafts (44).
4. The automatic lifting device for a highway height limiting rod according to claim 2, wherein: the driving wheel (22) is fixedly connected to the power shaft (21), the driving wheel (22) is connected with a belt (23) in a transmission manner, and the belt (23) is connected with a driven wheel (24) fixedly connected with the threaded rod (15) in a transmission manner.
5. The automatic lifting device for a highway height limiting rod according to claim 1, wherein: one end of the plug-in shaft (34) close to the rectangular groove (26) is arranged in a conical shape.
CN202310449771.8A 2023-04-25 2023-04-25 Automatic lifting device for highway height limiting rod Active CN116180639B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310449771.8A CN116180639B (en) 2023-04-25 2023-04-25 Automatic lifting device for highway height limiting rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310449771.8A CN116180639B (en) 2023-04-25 2023-04-25 Automatic lifting device for highway height limiting rod

Publications (2)

Publication Number Publication Date
CN116180639A CN116180639A (en) 2023-05-30
CN116180639B true CN116180639B (en) 2023-07-07

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CN202310449771.8A Active CN116180639B (en) 2023-04-25 2023-04-25 Automatic lifting device for highway height limiting rod

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Citations (1)

* Cited by examiner, † Cited by third party
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