CN113106894A - A multi-functional limit for height frame for road bridge engineering - Google Patents
A multi-functional limit for height frame for road bridge engineering Download PDFInfo
- Publication number
- CN113106894A CN113106894A CN202110412160.7A CN202110412160A CN113106894A CN 113106894 A CN113106894 A CN 113106894A CN 202110412160 A CN202110412160 A CN 202110412160A CN 113106894 A CN113106894 A CN 113106894A
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- Prior art keywords
- lifting
- height limiting
- warning
- height
- telescopic
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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
- 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
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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
- 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
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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
- 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
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a multifunctional height limiting frame for road and bridge engineering, relates to the technical field of road and bridge engineering, and solves the problems that the existing height limiting frame only warns through a cross rod in use, the warning effect is poor, meanwhile, the existing height limiting frame is generally fixed in height, the existing height limiting frame cannot be folded, and the space is occupied; the left side and the right side of the base main body are both provided with a lifting mechanism; the left lifting seat is arranged at the left top of the lifting mechanism; and the right lifting seat is arranged at the right top of the lifting mechanism. The height limiting frame disclosed by the invention realizes the height adjustment of the height limiting frame, meets the height limiting requirements of different scenes, can realize time-sharing height limiting, effectively avoids the problem that a fire engine cannot pass through, simultaneously realizes the folding and unfolding of the height limiting frame, simultaneously effectively prevents a warning piece from being damaged, simultaneously can ensure that a driver can clearly observe the front warning piece at any distance and any angle position, and has a good warning effect.
Description
Technical Field
The invention relates to the technical field of road and bridge engineering, in particular to a multifunctional height limiting frame for road and bridge engineering.
Background
With the progress of society and the development of science and technology, traffic develops rapidly, has also increased the potential safety hazard in the in-process of making things convenient for people to produce life, therefore many roads are generally set up limit for height when the road bridge is under construction because of the safety consideration, pass through the restriction superelevation vehicle, guarantee road safety.
For example, application No.: the invention discloses a road height limiting frame CN201711498002.8, which comprises a first upright post 2 and a frame 3, wherein a cross beam 1 is arranged between the first upright post 2 and the frame 3, one end of the cross beam 1 is rotatably connected with the first upright post 2, and the other end of the cross beam is connected to the frame 3 in a sliding manner; the sweetgum fruit is rotated through first pin joint 4 and is connected with swing board 5, and swing board 5 is located between first stand 2 and the frame 3, and swing board 5 lower surface is equipped with and uses first pin joint 4 as the first arc rack 6 of centre of a circle, is equipped with balancing weight 7 on the swing board 5. The road height limiting frame has obvious vehicle deceleration effect and can be reused.
Based on the above, the existing height limiting frame only warns through the cross rod in use, the warning effect is poor, meanwhile, the existing height limiting frame is generally fixed in height, in actual use, the use requirement of time-limited height cannot be met, when an emergency occurs, the special vehicles such as a fire engine and the like are easily blocked from passing, and meanwhile, the existing height limiting frame cannot be folded and occupies space; therefore, the existing requirements are not met, and a multifunctional height limiting frame for road and bridge engineering is provided for the same.
Disclosure of Invention
The invention aims to provide a multifunctional height limiting frame for road and bridge engineering, and aims to solve the problems that the existing height limiting frame in the background art only warns through a cross rod in use, the warning effect is poor, meanwhile, the existing height limiting frame is generally fixed in height, the use requirement of time division and time limitation cannot be met in actual use, the passing of special vehicles such as fire trucks and the like is easily blocked in emergency, and meanwhile, the existing height limiting frame cannot be folded and occupies space.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional height limiting frame for road and bridge engineering comprises a base main body;
the left side and the right side of the base main body are both provided with a lifting mechanism;
the left lifting seat is arranged at the left top of the lifting mechanism;
the right lifting seat is arranged at the right top of the lifting mechanism;
the front height limiting component is hinged to the front part of the right side of the left lifting seat;
and the rear height limiting assembly is hinged to the rear part of the left side of the right lifting seat.
The inner sides of the left lifting seat and the right lifting seat are provided with a group of swing mechanisms.
Preferably, the lifting mechanism further comprises:
the lifting support rods are provided with two pairs, each pair of lifting support rods are connected through a cross hinge to form a scissor fork mechanism, the two sets of scissor fork mechanisms are respectively located on the left side and the right side of the base body, the top of the left scissor fork mechanism is connected with the left lifting seat, and the top of the right scissor fork mechanism is connected with the right lifting seat.
Preferably, the lifting mechanism further comprises:
a lifting driving piece fixedly connected inside the left side of the base main body, a group of lifting driving screw rods coaxially and fixedly connected on a rotating shaft of the lifting driving piece,
the lifting driving sliding blocks are hinged to the bottoms of the group of lifting supporting rods on the outermost side and are in sliding connection with the base main body, and the group of lifting driving sliding blocks on the left side and the lifting driving lead screw are in threaded transmission connection to form a lead screw nut transmission pair.
Preferably, the lifting mechanism further comprises:
the right lifting driving screw is rotatably connected inside the right side of the base body, and the right lifting driving screw and a group of lifting driving sliding blocks on the right side are in threaded transmission connection to form a screw nut transmission pair.
Preferably, the right lifting driving screw rod and the lifting driving screw rod have the same pitch and opposite rotation directions.
Preferably, the lifting driving member further comprises:
the lifting driving chain wheel is coaxially and fixedly connected to a rotating shaft of the lifting driving piece;
the right lifting driving screw rod also comprises:
the lifting driven chain wheel is coaxially and fixedly connected to the rear portion of the right lifting driving screw rod, and the lifting driving chain wheel and the lifting driven chain wheel are connected in a transmission mode through a transmission chain to form a transmission chain transmission mechanism.
Preferably, the swing mechanism further includes:
the height-limiting telescopic driving piece on the right side is fixedly connected inside the right lifting seat, the height-limiting telescopic driving piece on the left side is fixedly connected inside the left lifting seat, and a group of telescopic driving lead screws are coaxially and fixedly connected to a rotating shaft of the height-limiting telescopic driving piece;
the telescopic driving sliding blocks are connected with the left lifting seat and the right lifting seat in a sliding mode respectively, and each group of telescopic driving sliding blocks are connected with one group of telescopic driving lead screws in a threaded mode to form a lead screw nut transmission pair together.
Preferably, the telescopic driving slider further comprises:
the telescopic connecting rod is hinged to the bottom of the telescopic driving sliding block, the other end of the left group of telescopic connecting rods is hinged to the front height limiting assembly, a crank sliding block transmission mechanism is formed between the telescopic driving sliding block, the telescopic connecting rod, the left lifting seat and the front height limiting assembly, the other end of the right group of telescopic connecting rods is hinged to the rear height limiting assembly, and a crank sliding block transmission mechanism is formed between the telescopic driving sliding block, the telescopic connecting rod, the left lifting seat and the rear height limiting assembly.
Preferably, the rear height limiting assembly further comprises:
the rear warning portion is provided with a plurality of groups, the rear warning portions are evenly distributed and fixedly connected to the bottom of the rear height limiting assembly, the rear warning portion is of a downwards arranged triangular thorn-shaped structure, the rear warning portion is made of soft materials, and the surface of the rear warning portion is coated with metallic luster.
Preferably, the right lifting seat further comprises:
the rear warning placing groove is formed in the lower portion of the end face of the left side of the right lifting seat.
Preferably, the front height limiting assembly further comprises:
the front warning rotating blocks are provided with a plurality of groups, the groups of front warning rotating blocks are uniformly distributed and rotatably connected to the front end face of the front height limiting assembly, the top of each front warning rotating block is of a semi-cylindrical structure, and the lower part of each front warning rotating block is of a rectangular square structure;
the front height limiting positioning part is of a plate-shaped structure and is fixedly connected to the rear of the bottom of the front height limiting assembly, and the front end face of the front height limiting positioning part is tightly attached to the rear end face of the front warning rotating block.
Preferably, the front height limiting assembly further comprises:
preceding warning coupling spring, preceding warning coupling spring fixed connection warns the bottom of turning block in the front, and warning piece before a set of is connected with to the bottom fixed connection of preceding warning coupling spring.
Preferably, the front warning piece is obliquely arranged towards the front lower part, the front end face of the front warning piece is of a spherical structure, and the front warning piece and the rear warning part are arranged in a staggered mode.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is used, the lifting driving piece drives the right lifting driving screw rod to synchronously rotate through the driving chain transmission mechanism formed by the lifting driving chain wheel and the lifting driven chain wheel, the lifting driving piece drives the left group of lifting driving slide blocks to slide back and forth through the screw nut transmission pair formed by the threaded transmission connection of the lifting driving slide blocks and the lifting driving screw rod to drive the deformation of the left scissors fork mechanism, when the right lifting driving screw rod rotates, the right lifting driving screw rod drives the right group of lifting driving slide blocks to slide back and forth through the screw nut transmission pair formed by the threaded transmission connection of the right lifting driving screw rod and the lifting driving slide blocks to drive the deformation of the right scissors fork mechanism, the lifting of the left lifting seat and the right lifting seat is realized through the deformation of the scissors fork mechanism formed by the crossed hinge connection of the lifting support rods, and the unfolding and folding of the left lifting seat and the right lifting seat are realized, meanwhile, the height of the left lifting seat and the height of the right lifting seat are adjusted, the folding capacity and the height adjusting capacity are improved, and the lifting seat is convenient to use under the conditions of different height limiting heights.
When the height limiting telescopic driving piece is used, the telescopic driving slide block is driven to slide back and forth by the lead screw nut transmission pair formed by connecting the telescopic driving slide block and the telescopic driving lead screw in a threaded manner, the telescopic driving slide block drives the front height limiting assembly to swing through the crank slide block transmission mechanism formed by the telescopic driving slide block, the telescopic connecting rod, the left lifting seat and the front height limiting assembly together, so that the front height limiting assembly is unfolded and folded, the telescopic driving slide block drives the rear height limiting assembly to swing through the crank slide block transmission mechanism formed by the telescopic driving slide block, the telescopic connecting rod, the left lifting seat and the rear height limiting assembly together, so that the rear height limiting assembly is unfolded and folded, good folding is realized, the height limiting frame has good folding capacity, and the height limiting frame is unfolded for use in use and is folded and stored when not used, so that the use convenience is improved.
When the automobile front warning device is used, the front warning piece faces a driver through the downward-forward inclined arrangement, meanwhile, the front end face of the front warning piece is of a spherical structure, the driver can clearly observe the front warning piece and the rear warning part at any distance and any angle position, a good warning effect is achieved, the front warning piece can swing through the front warning connecting spring when being impacted, the front warning piece is prevented from being damaged, the false sense of the metal thorn is formed through the downward triangular thorn-shaped structure of the rear warning part and the metal luster, the driver is frightened, and the driver is forced to stop in time.
The height limiting frame disclosed by the invention realizes the height adjustment of the height limiting frame, meets the height limiting requirements of different scenes, can realize time-sharing height limiting, effectively avoids the problem that a fire engine cannot pass through, simultaneously realizes the folding and unfolding of the height limiting frame, reduces the space occupation, is convenient to store, improves the use convenience, simultaneously effectively prevents the warning piece from being damaged, simultaneously can ensure that a driver can clearly observe the front warning piece at any distance and any angle position, and forms a metal thorn illusion through the downward triangular thorn-shaped structure and the metal luster of the rear warning part, frightens the driver, forces the driver to stop in time, and has a good warning effect.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic side view of the transmission shaft of the left lifting base of the present invention;
FIG. 3 is a schematic side view of the front height limiting assembly of the present invention;
FIG. 4 is a schematic side view of the internal drive shaft of the present invention;
FIG. 5 is a schematic side view of the right lifting base transmission shaft according to the present invention;
FIG. 6 is a schematic side view of the front height limiting assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of a front height limiting assembly of the present invention;
in the figure: 1. a base body; 2. lifting the supporting rod; 201. a lifting drive slider; 3. a lifting drive member; 301. lifting the driving screw; 302. a lifting drive sprocket; 4. a left lifting seat; 5. a right lifting seat; 501. a rear warning placement groove; 6. a front height limiting component; 601. a front warning turning block; 602. the front warning connecting spring; 603. a front warning member; 604. a front height limiting positioning part; 7. a rear height limiting assembly; 701. a rear warning part; 8. a height-limiting telescopic driving member; 801. a telescopic driving screw rod; 9. a telescopic driving slide block; 901. a telescopic connecting rod; 10. a right lifting drive screw; 1001. a lifting driven chain wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a multifunctional height limiting frame for road and bridge engineering comprises a base main body 1;
the left side and the right side of the base main body 1 are both provided with a lifting mechanism;
the left lifting seat 4 is arranged at the left top of the lifting mechanism;
the right lifting seat 5 is arranged at the right top of the lifting mechanism;
the front height limiting component 6 is hinged to the front part of the right side of the left lifting seat 4;
and the rear height limiting component 7 is hinged to the rear part of the left side of the right lifting seat 5.
The inner sides of the left lifting seat 4 and the right lifting seat 5 are both provided with a group of swing mechanisms.
Further, elevating system still includes:
lifting support pole 2, lifting support pole 2 is provided with two pairs altogether, every crossing hinged joint constitutes jointly and cuts fork mechanism between lifting support pole 2, two sets of fork mechanisms of cutting are located the left and right sides of base main part 1 respectively, left fork mechanism top of cutting is connected with left lift seat 4, the fork mechanism top of cutting on right side is connected with right lift seat 5, in use, through the deformation of the fork mechanism of cutting that constitutes by lifting support pole 2 crossing hinged joint realizes the lift of left lift seat 4 and right lift seat 5, the realization is to the expansion and folding of left lift seat 4 and right lift seat 5, realize the regulation to the height of left lift seat 4 and right lift seat 5 simultaneously.
Further, elevating system still includes:
a lifting driving piece 3, the lifting driving piece 3 is fixedly connected inside the left side of the base body 1, a group of lifting driving screw rods 301 are coaxially and fixedly connected on a rotating shaft of the lifting driving piece 3,
the lifting driving sliding block 201 is hinged to the bottom of the group of lifting supporting rods 2 on the outermost side, the lifting driving sliding block 201 is connected with the base main body 1 in a sliding mode, the group of lifting driving sliding blocks 201 on the left side and the lifting driving lead screw 301 are in threaded transmission connection to form a lead screw nut transmission pair together, and in use, the lifting driving piece 3 drives the group of lifting driving sliding blocks 201 on the left side to slide back and forth through the lead screw nut transmission pair formed by the threaded transmission connection of the lifting driving sliding blocks 201 and the lifting driving lead screw 301 to drive the left scissor fork mechanism to deform.
Further, elevating system still includes:
the right lifting driving screw rod 10 is rotatably connected to the inside of the right side of the base body 1, the right lifting driving screw rod 10 is in threaded transmission connection with a group of lifting driving sliding blocks 201 on the right side to form a screw nut transmission pair, and when the right lifting driving screw rod 10 rotates, the right lifting driving screw rod 10 drives the right group of lifting driving sliding blocks 201 to slide back and forth through the screw nut transmission pair formed by the right lifting driving screw rod 10 and the lifting driving sliding blocks 201 in the threaded transmission connection, so that the right scissor fork mechanism is driven to deform.
Further, the pitch of the right elevation driving screw 10 is the same as that of the elevation driving screw 301, and the pitch of the right elevation driving screw 10 is opposite to that of the elevation driving screw 301, and when the right elevation driving screw 10 is the same as that of the elevation driving screw 301, the sliding directions of the two sets of the elevation driving sliders 201 are opposite.
Further, the lifting driving member 3 further comprises:
the lifting driving chain wheel 302, the lifting driving chain wheel 302 is coaxially and fixedly connected to the rotating shaft of the lifting driving piece 3;
the right elevating driving screw 10 further comprises:
the lifting driven chain wheel 1001 is coaxially and fixedly connected to the rear portion of the right lifting driving screw 10, the lifting driving chain wheel 302 and the lifting driven chain wheel 1001 are connected in a transmission mode through a transmission chain to jointly form a transmission chain transmission mechanism, and in use, the lifting driving piece 3 drives the right lifting driving screw 10 to synchronously rotate through the transmission chain transmission mechanism formed by the lifting driving chain wheel 302 and the lifting driven chain wheel 1001.
Further, the swing mechanism further comprises:
the height limiting telescopic driving piece 8 is arranged on the right side, the height limiting telescopic driving piece 8 on the right side is fixedly connected inside the right lifting seat 5, the height limiting telescopic driving piece 8 on the left side is fixedly connected inside the left lifting seat 4, and a group of telescopic driving lead screws 801 are coaxially and fixedly connected to a rotating shaft of the height limiting telescopic driving piece 8;
the telescopic driving sliding blocks 9 and the two groups of telescopic driving sliding blocks 9 are respectively in sliding connection with the left lifting seat 4 and the right lifting seat 5, each group of telescopic driving sliding blocks 9 are respectively in threaded connection with a group of telescopic driving lead screws 801 to form a lead screw nut transmission pair, and in use, the height-limited telescopic driving piece 8 drives the telescopic driving sliding blocks 9 to slide back and forth through the lead screw nut transmission pair formed by the telescopic driving sliding blocks 9 and the telescopic driving lead screws 801 in threaded connection.
Further, the telescopic driving slide block 9 further comprises:
the telescopic driving slide block 9 drives the front height limiting component 6 to swing through the crank slide block transmission mechanism formed by the telescopic driving slide block 9, the telescopic connecting rod 901, the left lifting seat 4 and the front height limiting component 6, so as to realize the unfolding and folding of the front height limiting component 6, the telescopic driving slide block 9 drives the front height limiting component 6 to swing through the crank slide block transmission mechanism formed by the telescopic driving slide block 9, the telescopic connecting rod 901, the left lifting seat 4 and the front height limiting component 6, and the telescopic driving slide block 9 drives the telescopic driving slide block 9 to swing through the telescopic driving slide block 9, the telescopic connecting rod 901, the left lifting seat 4 and the front height limiting component 6, The crank block transmission mechanism formed by the telescopic connecting rod 901, the left lifting seat 4 and the rear height limiting component 7 drives the rear height limiting component 7 to swing, so that the rear height limiting component 7 can be unfolded and folded.
Further, the rear height limiting component 7 further comprises:
back warning portion 701, back warning portion 701 is provided with the multiunit altogether, warning portion 701 evenly arranges fixed connection in the bottom of back limit for height subassembly 7 behind the multiunit, back warning portion 701 is the triangle thorn column structure that sets up down, back warning portion 701 is soft material, and back warning portion 701 surface coating has metallic luster, in use, the illusion of a metallic thorn is formed through the triangle thorn column structure that sets up down of back warning portion 701 and metallic luster, carry out the fright to the driver, force the driver in time to park, can not lead to causing the damage to the vehicle of breaching simultaneously, better protection effect has.
Further, right lift seat 5 still includes:
rear warning standing groove 501, rear warning standing groove 501 offer the left side terminal surface lower part at right lifting seat 5, in use, when back limit for height subassembly 7 is folding, place rear warning portion 701 through rear warning standing groove 501.
Further, the front height limiting assembly 6 further comprises:
the front warning rotating blocks 601 are provided with a plurality of groups of front warning rotating blocks 601, the groups of front warning rotating blocks 601 are uniformly distributed and rotatably connected on the front end surface of the front height limiting assembly 6, the top of each front warning rotating block 601 is of a semi-cylindrical structure, and the lower part of each front warning rotating block 601 is of a rectangular square structure;
the front height limiting positioning part 604 is of a plate-shaped structure, the front height limiting positioning part 604 is fixedly connected to the rear of the bottom of the front height limiting assembly 6, the front end face of the front height limiting positioning part 604 is tightly attached to the rear end face of the front warning rotating block 601, and in use, the front end face of the front height limiting positioning part 604 limits the front warning rotating block 601 so that the front warning rotating block 601 can only swing forwards but cannot swing backwards.
Further, the front height limiting assembly 6 further comprises:
preceding warning coupling spring 602, preceding warning coupling spring 602 fixed connection warns the bottom of turning block 601 in the front, and warning piece 603 before the bottom fixedly connected with of preceding warning coupling spring 602 is a set of, and in use supports preceding warning piece 603 through preceding warning coupling spring 602, and current warning piece 603 receives the striking can swing through preceding warning coupling spring 602, and warning piece 603 before preventing is impaired.
Further, preceding warning 603 is the slope setting of below going forward, and the preceding terminal surface of preceding warning 603 is spherical structure, is crisscross the setting between preceding warning 603 and the back warning part 701, and in use, through the slope setting of below going forward messenger preceding warning 603 towards the driver, and the preceding terminal surface through preceding warning 603 guarantees for spherical structure that the driver can all be clear observation preceding warning 603 and back warning part 701 in any distance and any angular position, plays good warning effect simultaneously.
The working principle is as follows: when in use, the lifting driving piece 3 drives the right lifting driving screw rod 10 to synchronously rotate through the transmission chain transmission mechanism formed by the lifting driving chain wheel 302 and the lifting driven chain wheel 1001, the lifting driving piece 3 drives the left group of lifting driving slide blocks 201 to slide back and forth through the screw nut transmission pair formed by the threaded transmission connection of the lifting driving slide blocks 201 and the lifting driving screw rods 301 to drive the deformation of the left scissors fork mechanism, when the right lifting driving screw rod 10 rotates, the right lifting driving screw rod 10 drives the right group of lifting driving slide blocks 201 to slide back and forth through the screw nut transmission pair formed by the threaded transmission connection of the right lifting driving screw rod 10 and the lifting driving slide blocks 201 to drive the deformation of the right scissors fork mechanism, and the lifting of the left lifting seat 4 and the right lifting seat 5 is realized through the deformation of the scissors fork mechanism formed by the crossed hinged connection of the lifting support rods 2, the unfolding and folding of the left lifting seat 4 and the right lifting seat 5 are realized, and meanwhile, the height of the left lifting seat 4 and the height of the right lifting seat 5 are adjusted; the height limiting telescopic driving piece 8 drives the telescopic driving slider 9 to slide back and forth through a screw nut transmission pair formed by connecting the telescopic driving slider 9 and the telescopic driving screw 801 in a threaded manner, the telescopic driving slider 9 drives the front height limiting assembly 6 to swing through a crank slider transmission mechanism formed by connecting the telescopic driving slider 9, the telescopic connecting rod 901, the left lifting seat 4 and the front height limiting assembly 6 together, so that the front height limiting assembly 6 is unfolded and folded, the telescopic driving slider 9 drives the rear height limiting assembly 7 to swing through the crank slider transmission mechanism formed by connecting the telescopic driving slider 9, the telescopic connecting rod 901, the left lifting seat 4 and the rear height limiting assembly 7 together, so that the rear height limiting assembly 7 is unfolded and folded; warning 603 towards the driver before making through the slope setting of preceding below, simultaneously through the preceding terminal surface of preceding warning 603 for spherical structure guarantee that the driver can all be clear observation preceding warning 603 and back warning part 701 in any distance and any angular position, play good warning effect, present warning 603 receives the striking can swing through preceding warning coupling spring 602, it is impaired to prevent preceding warning 603, the triangle thorn column structure and the metallic luster that set up down through back warning part 701 form the illusion of a metallic thorn, frighten the driver, force the driver in time to park.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a multi-functional limit for height frame for road bridge engineering which characterized in that: comprises a base body (1);
the left side and the right side of the base main body (1) are provided with lifting mechanisms;
the left lifting seat (4), the left lifting seat (4) is installed at the left top of the lifting mechanism;
the right lifting seat (5), the right lifting seat (5) is arranged at the right top of the lifting mechanism;
the front height limiting component (6) is hinged to the front part of the right side of the left lifting seat (4);
the rear height limiting component (7) is hinged to the rear portion of the left side of the right lifting seat (5).
The inner sides of the left lifting seat (4) and the right lifting seat (5) are provided with a group of swing mechanisms.
2. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the lifting mechanism further comprises:
the lifting support rods (2) are arranged in two pairs, each pair of lifting support rods (2) is connected through a cross hinge to form a shearing fork mechanism, the two groups of shearing fork mechanisms are located on the left side and the right side of the base main body (1) respectively, the top of the left shearing fork mechanism is connected with the left lifting seat (4), and the top of the right shearing fork mechanism is connected with the right lifting seat (5).
3. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the lifting mechanism further comprises:
a lifting driving piece (3), the lifting driving piece (3) is fixedly connected inside the left side of the base main body (1), a group of lifting driving screw rods (301) are coaxially and fixedly connected on a rotating shaft of the lifting driving piece (3),
the lifting driving sliding block (201) is hinged to the bottom of the group of lifting supporting rods (2) on the outermost side, the lifting driving sliding block (201) is connected with the base body (1) in a sliding mode, and the group of lifting driving sliding blocks (201) on the left side and the lifting driving lead screw (301) are in threaded transmission connection to form a lead screw nut transmission pair.
4. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the lifting mechanism further comprises:
the right lifting driving screw rod (10) is rotatably connected inside the right side of the base main body (1), and the right lifting driving screw rod (10) is in threaded transmission connection with a group of lifting driving sliding blocks (201) on the right side to form a screw nut transmission pair.
5. The multifunctional height limiting frame for road and bridge engineering according to claim 4, wherein: the right lifting driving screw rod (10) and the lifting driving screw rod (301) have the same screw pitch and opposite rotation directions.
6. A multifunctional height-limiting frame for road and bridge engineering according to claim 3, characterized in that: the lifting driving piece (3) further comprises:
the lifting driving chain wheel (302), the lifting driving chain wheel (302) is coaxially and fixedly connected to the rotating shaft of the lifting driving piece (3);
the right lifting driving screw rod (10) also comprises:
the lifting driven chain wheel (1001) is coaxially and fixedly connected to the rear portion of the right lifting driving screw rod (10), and the lifting driving chain wheel (302) is in transmission connection with the lifting driven chain wheel (1001) through a transmission chain to form a transmission chain transmission mechanism.
7. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the swing mechanism further comprises:
the height-limiting telescopic driving piece (8) on the right side is fixedly connected inside the right lifting seat (5), the height-limiting telescopic driving piece (8) on the left side is fixedly connected inside the left lifting seat (4), and a group of telescopic driving lead screws (801) are coaxially and fixedly connected to a rotating shaft of the height-limiting telescopic driving piece (8);
the telescopic driving sliding blocks (9), two groups of telescopic driving sliding blocks (9) are respectively in sliding connection with the left lifting seat (4) and the right lifting seat (5), and each group of telescopic driving sliding blocks (9) are respectively in threaded connection with a group of telescopic driving lead screws (801) to form a lead screw nut transmission pair;
telescopic connecting rod (901), telescopic connecting rod (901) hinged joint is in the bottom of flexible drive slider (9), the other end and preceding limit for height subassembly (6) hinged joint of a set of telescopic connecting rod (901) in the left side, flexible drive slider (9), telescopic connecting rod (901), left side lift seat (4), constitute crank slider drive mechanism between preceding limit for height subassembly (6) jointly, the other end and back limit for height subassembly (7) hinged joint of a set of telescopic connecting rod (901) in the right side, telescopic drive slider (9), telescopic connecting rod (901), left lift seat (4), constitute crank slider drive mechanism jointly between back limit for height subassembly (7).
8. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the rear height limiting component (7) further comprises:
rear warning portion (701), rear warning portion (701) are provided with the multiunit altogether, and multiunit rear warning portion (701) evenly arranges fixed connection in the bottom of back limit for height subassembly (7), and rear warning portion (701) are the triangle thorn column structure that sets up down.
9. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the right lifting seat (5) further comprises:
a rear warning placing groove (501), wherein the rear warning placing groove (501) is arranged at the lower part of the left end face of the right lifting seat (5).
Preferably, the front height limiting assembly (6) further comprises:
the front warning rotating blocks (601) are provided with a plurality of groups, the groups of front warning rotating blocks (601) are uniformly distributed and rotatably connected to the front end face of the front height limiting assembly (6), the top of each front warning rotating block (601) is of a semi-cylindrical structure, and the lower part of each front warning rotating block is of a rectangular square structure;
the front height limiting positioning part (604), the front height limiting positioning part (604) is of a plate-shaped structure, the front height limiting positioning part (604) is fixedly connected to the rear of the bottom of the front height limiting assembly (6), and the front end face of the front height limiting positioning part (604) is tightly attached to the rear end face of the front warning rotating block (601).
10. The multifunctional height limiting frame for road and bridge engineering according to claim 1, wherein: the front height limiting component (6) further comprises:
the front warning connecting spring (602), the front warning connecting spring (602) is fixedly connected to the bottom of the front warning rotating block (601), and the bottom of the front warning connecting spring (602) is fixedly connected with a group of front warning pieces (603);
the front warning piece (603) is obliquely arranged towards the front lower part, the front end face of the front warning piece (603) is of a spherical structure, and the front warning piece (603) and the rear warning part (701) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110412160.7A CN113106894A (en) | 2021-04-16 | 2021-04-16 | A multi-functional limit for height frame for road bridge engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110412160.7A CN113106894A (en) | 2021-04-16 | 2021-04-16 | A multi-functional limit for height frame for road bridge engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113106894A true CN113106894A (en) | 2021-07-13 |
Family
ID=76717987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110412160.7A Withdrawn CN113106894A (en) | 2021-04-16 | 2021-04-16 | A multi-functional limit for height frame for road bridge engineering |
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| Country | Link |
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| CN (1) | CN113106894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412156A (en) * | 2022-02-08 | 2022-04-29 | 杨荣珺 | Tower column construction internal climbing frame and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204715241U (en) * | 2015-05-29 | 2015-10-21 | 沈阳航空航天大学 | A kind of height-limiting frame and pedestrian overcrossing alarm protecting apparatus |
| CN205775958U (en) * | 2016-07-08 | 2016-12-07 | 达建凯 | A kind of New Rotary highway limit for height door frame |
| CN205875014U (en) * | 2016-06-27 | 2017-01-11 | 安徽忠明建设工程有限公司 | Adjustable expressway height limiting frame |
| CN206143675U (en) * | 2016-10-17 | 2017-05-03 | 杨维 | Limit for height frame warning pendulum |
| CN107447694A (en) * | 2017-09-24 | 2017-12-08 | 泉州市知产茂业工业设计有限公司 | Road and bridge height-limiting frame |
| CN211312302U (en) * | 2019-11-01 | 2020-08-21 | 赵正龙 | Height limiting device for special road and bridge |
| CN211395461U (en) * | 2019-10-25 | 2020-09-01 | 重庆豪行隆建材有限公司 | Height limiting frame for municipal road |
| CN211872733U (en) * | 2020-02-19 | 2020-11-06 | 开封市通达公路勘察设计有限公司 | Infrared height limiting frame |
-
2021
- 2021-04-16 CN CN202110412160.7A patent/CN113106894A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204715241U (en) * | 2015-05-29 | 2015-10-21 | 沈阳航空航天大学 | A kind of height-limiting frame and pedestrian overcrossing alarm protecting apparatus |
| CN205875014U (en) * | 2016-06-27 | 2017-01-11 | 安徽忠明建设工程有限公司 | Adjustable expressway height limiting frame |
| CN205775958U (en) * | 2016-07-08 | 2016-12-07 | 达建凯 | A kind of New Rotary highway limit for height door frame |
| CN206143675U (en) * | 2016-10-17 | 2017-05-03 | 杨维 | Limit for height frame warning pendulum |
| CN107447694A (en) * | 2017-09-24 | 2017-12-08 | 泉州市知产茂业工业设计有限公司 | Road and bridge height-limiting frame |
| CN211395461U (en) * | 2019-10-25 | 2020-09-01 | 重庆豪行隆建材有限公司 | Height limiting frame for municipal road |
| CN211312302U (en) * | 2019-11-01 | 2020-08-21 | 赵正龙 | Height limiting device for special road and bridge |
| CN211872733U (en) * | 2020-02-19 | 2020-11-06 | 开封市通达公路勘察设计有限公司 | Infrared height limiting frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412156A (en) * | 2022-02-08 | 2022-04-29 | 杨荣珺 | Tower column construction internal climbing frame and construction method thereof |
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Application publication date: 20210713 |