Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the existing viaduct guardrail has poor buffering capacity and is easy to damage when being impacted, and the guardrail body of the bridge guardrail is of an integrated structure, so that the maintenance and replacement process is troublesome once the guardrail is damaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
a viaduct guardrail convenient to maintain and replace comprises a plurality of grounding seats, wherein four corners of each grounding seat are provided with grounding bolts in a fastening mode, columns are integrally formed at the tops of the grounding seats, a guardrail is arranged between every two adjacent columns in a fastening mode, each guardrail comprises a guardrail body A, a guardrail body B and a guardrail body C, the guardrail bodies A, the guardrail bodies B and the guardrail bodies C are sequentially arranged from top to bottom, two inner cavities are symmetrically arranged in each column, three jacks communicated with the adjacent inner cavities are formed in two sides of each guide column, the ends of the guardrail bodies A, the guardrail bodies B and the guardrail bodies C penetrate through the corresponding jacks to extend into the inner cavities, a sealing plate A and a sealing plate B are fixedly arranged on the columns, six inserting rods are symmetrically fixed on the sealing plate A, and each inserting rod extends into the corresponding inner cavity, the two ends of the fence body A, the fence body B and the fence body C are all provided with connecting holes for inserting insertion rods, each inner cavity is internally provided with a sliding plate in a sliding and inserting mode, the sliding plate is fixedly connected with two sliding seats through two buffer springs A which are symmetrically arranged, the other side of each sliding seat is fixedly connected with a threaded pipe, the threaded pipe is provided with insertion rods in a threaded and inserting mode, the other end of each insertion rod is rotatably connected with a sealing plate B, the fence body B is provided with an installation port in a penetrating mode, an installation shaft is slidably inserted in the installation port, the installation shaft is rotatably sleeved with a connecting column in a sliding and sleeving mode, the bottom of the fence body A and the top of the fence body C are both concavely provided with rotating grooves, the end portions of the upper end and the lower end of the connecting column extend into the rotating grooves, arc-shaped rods are fixedly installed in each rotating groove, and inserting rings for sleeving the arc-shaped rods are fixed on the end portions, the arc-shaped rod is movably connected with two pressing blocks through an arc-shaped spring, and the two pressing blocks are both pressed against the insert ring.
Preferably, four bolts a are fixedly installed on the closing plate a, and four bolts B are fixedly installed on the closing plate B.
Preferably, the top of the insert ring is concavely provided with an opening, and the insert ring is sleeved on the arc-shaped rod through the opening.
Preferably, the inner cavity is internally and symmetrically fixed with two guide posts, and the sliding plate and the sliding seat are both penetrated through and provided with guide holes for the two guide posts to penetrate.
Preferably, the sliding plate is provided with a through hole for the insertion rod to pass through, an insertion tube is fixed on the inner wall of the inner cavity, an insertion slot is concavely arranged on one side of the insertion tube, the insertion rod is inserted into the insertion slot, and a wear-resistant sleeve is fixedly sleeved on the insertion tube.
Preferably, the installation axle links to each other with the cylinder inner wall through four buffer spring B that the symmetry set up, just the symmetry is fixed with two guide bars in the installation mouth, run through to open on the installation axle and be equipped with the trompil that supplies two guide bars to alternate.
Preferably, one side of the threaded pipe is concavely provided with a thread groove, an inner thread is arranged on the inner wall of the thread groove, an outer thread matched with the inner thread is integrally formed on the inserted bar close to the threaded pipe, and each inserted bar is fixedly connected with a limiting block.
Preferably, a plurality of installation cavities are arranged in the closing plate B, a bearing used for being connected with the transmission shaft in a rotating mode is fixed in each installation cavity, a plurality of installation grooves are concavely arranged on the closing plate B, each installation groove is internally provided with an adjusting handle in an inserting mode, and one end of the transmission shaft penetrates through the bearing and is fixedly connected with the corresponding adjusting handle.
Compared with the prior art, the invention has the beneficial effects that:
1. the viaduct beam protective guard is simple and convenient in installation process, and can realize rapid maintenance when deformed due to impact, so that the maintenance time of workers is greatly shortened, and the maintenance efficiency is improved;
2. when the viaduct beam protective guard is impacted, the impact process can be buffered, so that the influence of impact on the protective guard is reduced to the maximum extent, the maintenance times of the bridge protective guard are reduced, and the service life of the protective guard is prolonged;
3. the connecting column realizes the connection among the fence body A, the fence body B and the fence body C, and the connection has detachability, so that the fence body can be selectively replaced according to the deformed position of the fence body, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural view of a viaduct guardrail convenient to maintain and replace according to the present invention;
fig. 2 is a schematic structural diagram of the interior of the side view direction of a viaduct guardrail column body, which is convenient for maintenance and replacement and is provided by the invention;
FIG. 3 is a schematic cross-sectional structure view in the side view direction of a viaduct guardrail body A, which is convenient for maintenance and replacement and is provided by the invention;
fig. 4 is a schematic sectional structure view in a top-down direction of a viaduct guardrail body B convenient for maintenance and replacement, according to the present invention;
FIG. 5 is a schematic view of the end structure of a guardrail body connecting column of a viaduct girder provided by the invention and convenient for maintenance and replacement
Fig. 6 is an enlarged view of the structure at a in fig. 2.
In the figure: the device comprises a grounding seat 1, a grounding bolt 2, a column 3, a closing plate A4, a jack 5, a rail A6, a rail B7, a rail C8, a connecting column 9, a bolt A10, an inner cavity 11, a limiting block 12, a guide column 13, a sliding plate 14, a buffer spring A15, a sliding seat 16, an insertion tube 17, a wear-resistant sleeve 18, a transmission shaft 19, an insertion rod 20, a bearing 21, an adjusting handle 22, a closing plate B23, a bolt B24, a rotating groove 25, an arc-shaped spring 26, an insertion ring 27, an opening 28, an arc-shaped rod 29, a mounting hole 30, a mounting shaft 31, a guide rod 32, a buffer spring B33, a threaded tube 34, a threaded groove 35 and an external thread 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships based on those shown in the drawings, and are used only for the purpose of facilitating the description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, a viaduct guardrail convenient for maintenance and replacement comprises a plurality of grounding bases 1, wherein grounding bolts 2 are fixedly installed at four corners of each grounding base 1, columns 3 are integrally formed at the tops of the grounding bases 1, a guardrail is fixedly installed between two adjacent columns 3, the guardrail comprises a guardrail body A6, a guardrail body B7 and a guardrail body C8, a guardrail body A6, a guardrail body B7 and a guardrail body C8 are sequentially arranged from top to bottom, two inner cavities 11 are symmetrically arranged in each column 3, three jacks 5 communicated with the adjacent inner cavities 11 are respectively arranged at two sides of each guide column 13, the ends of the guardrail body A6, the guardrail body B7 and the guardrail body C8 penetrate through the corresponding jacks 5 and extend into the inner cavities 11, a closed plate a4 and a closed plate B23 are fixedly installed on each column 3, six insertion rods 20 are symmetrically fixed on the closed plate a4, each insertion rod 20 extends into the corresponding inner cavity 11, the fence body A6, the fence body B7 and the fence body C8 are provided with connecting holes through which the inserted rods 20 penetrate, a sliding plate 14 is inserted into each inner cavity 11 in a sliding manner, the sliding plate 14 is fixedly connected with two sliding seats 16 through two buffer springs A15 which are symmetrically arranged, the other side of each sliding seat 16 is fixedly connected with a threaded pipe 34, the inserted rods 20 are inserted into the threaded pipes 34 in a threaded manner, the other end of each inserted rod 20 is rotatably connected with a closing plate B23, the fence body B7 is provided with an installation port 30 in a penetrating manner, an installation shaft 31 is inserted into the installation port 30 in a sliding manner, a connection column 9 is connected onto the installation shaft 31 in a sliding manner in a sleeved manner, the bottoms of the fence bodies A6 and the tops of the fence bodies C8 are respectively and concavely provided with a rotating groove 25, the end parts of the upper end part and the lower end part of the connection column 9 are respectively extended into the rotating grooves 25, an arc-shaped rod 29 is fixedly arranged in each rotating groove 25, the end parts of, the arc-shaped rod 29 is movably connected with two abutting blocks through an arc-shaped spring 26, and the two abutting blocks are abutted against the insert ring 27.
It should be noted that when a guard rail needs to be installed, the ground connection seat 1 can be fixedly installed on the ground of a bridge, then the fence C8, the fence B7 and the fence a6 are sequentially installed between two adjacent columns 3, after the fence C8 is installed, the fence B7 hinged with the connection column 9 is installed between the two columns 3, the bottom of the connection column 9 is inserted into the rotation groove 25 at the top of the fence a6, the insertion ring 27 is sleeved on the arc-shaped rod 29 through the opening 28, two press blocks are separated, finally the fence a6 is installed between the two columns 3, the arc-shaped rod 29 at the bottom of the fence a6 penetrates through the arc-shaped rod 29 at the top of the connection column 9 to achieve pre-installation of the fence a6, the fence B7 and the fence C8, then the closing plate A4 is tightly installed on the column 3, the insertion rod 20 penetrates through the fence a6, the fence B7 and the connection hole on the fence C8, then, the closing plate B23 is tightly installed on the column 3, and the installation process needs to align the transmission shaft 19 with the threaded pipe 34 and screw the transmission shaft into the threaded pipe 34, and then the tight installation is carried out, so that the whole installation work of the protective guard is completed;
when any one or more of the fence body A6, the fence body B7 and the fence body C8 is impacted, the corresponding sliding plate 14 is driven to compress the buffer spring A15, the transmission shaft 19 is continuously screwed into the threaded pipe 34 to meet the movement of the threaded pipe 34, so that impact energy can be absorbed to realize buffering, meanwhile, the mounting shaft 31 is also driven to compress the buffer spring B33, and the end parts at the two ends of the connecting column 9 extrude the arc-shaped springs 26 to realize further buffering;
when the fence needs to be detached, the fence body A6, the fence body B7 and the fence body C8 can be detached in sequence only by detaching the closing plate A4 and the closing plate B23, and the fence has the characteristics of simplicity and convenience in detachment.
Wherein, four bolts A10 are fixedly arranged on the closing plate A4, and four bolts B24 are fixedly arranged on the closing plate B23;
it should be noted that the fastening and installation of the closing plate a4 on the column 3 are realized by four bolts a10, and the fastening and installation of the closing plate B23 on the column 3 are realized by four bolts B24;
wherein, the top of the insert ring 27 is concavely provided with an opening 28, and the insert ring 27 is sleeved on the arc-shaped rod 29 through the opening 28;
it should be noted that the insert ring 27 can be sleeved on the arc-shaped rod 29 through the opening 28, and the insert ring 27 can also be directly taken down from the arc-shaped rod 29, so that the fence a6, the fence B7 and the fence C8 can be respectively and conveniently detached;
wherein, two guide posts 13 are symmetrically fixed in the inner cavity 11, and guide holes for the two guide posts 13 to penetrate are respectively arranged on the sliding plate 14 and the sliding base 16 in a penetrating way;
it should be noted that the guide of the sliding process of the sliding plate 14 and the sliding base 16 is realized through the guide column 13, so as to improve the stability of the sliding process and ensure the stability of the installation;
wherein, a through hole for the insertion rod 20 to pass through is formed on the sliding plate 14, the inner wall of the inner cavity 11 is fixed with an insertion tube 17, one side of the insertion tube 17 is concavely provided with an insertion slot, the insertion rod 20 is inserted into the insertion slot, and the insertion tube 17 is fixedly sleeved with a wear-resistant sleeve 18;
it should be noted that, when the insert rod 20 is inserted into the inner cavity 11, the end thereof is inserted into the insertion slot to realize stable insertion, and the sliding seat 16 abuts against the wear-resistant sleeve 18, so that the impact energy can be absorbed by using the friction force between the sliding seat 16 and the wear-resistant sleeve 18, thereby improving the buffering effect;
the mounting shaft 31 is connected with the inner wall of the cylinder 3 through four buffer springs B33 which are symmetrically arranged, two guide rods 32 are symmetrically fixed in the mounting opening 30, and the mounting shaft 31 is provided with a through hole for the two guide rods 32 to penetrate through;
it should be noted that the guide rod 32 realizes the stable sliding connection of the mounting shaft 31 in the mounting opening 30, and can also guide the sliding process of the mounting shaft 31;
wherein, one side of the threaded pipe 34 is concavely provided with a threaded groove 35, the inner wall of the threaded groove 35 is provided with an internal thread, the inserted link 20 close to the threaded pipe 34 is integrally formed with an external thread 36 matched with the internal thread, and each inserted link 20 is also fixedly connected with a limit block 12;
it should be noted that the internal thread and the external thread 36 are matched to realize the threaded connection between the transmission shaft 19 and the threaded pipe 34, and when the guard rail is impacted and the threaded pipe 34 is pushed by the sliding seat 16, the transmission shaft 19 is continuously screwed into the threaded groove 35 to meet the movement of the threaded pipe 34, so that impact energy can be absorbed and buffering is realized;
a plurality of mounting cavities are formed in the closing plate B23, a bearing 21 for rotatably connecting the transmission shaft 19 is fixed in each mounting cavity, a plurality of mounting grooves are concavely formed in the closing plate B23, an adjusting handle 22 is inserted in each mounting groove, and one end of the transmission shaft 19 penetrates through the bearing 21 and is fixedly connected with the corresponding adjusting handle 22;
it should be noted that, one end of the transmission shaft 19 penetrates through the installation cavity and extends into the installation groove, the rotation connection between the transmission shaft 19 and the closing plate B23 is realized through the bearing 21, the connection degree between the transmission shaft 19 and the threaded pipe 34 can be adjusted by rotating the adjusting handle 22, the transmission shaft 19 can be rotated to the original state after the impact buffering impact, and the buffering effect of the matching between the transmission shaft 19 and the threaded pipe 34 can be continuously maintained.
In the invention, when a user uses the device and needs to install the protective guard, the grounding seat 1 can be fixedly installed on the ground of a bridge, then the fence C8 is inserted into the jack 5 on the column 3 at one side and then is drawn out for a preset length, so that the other end of the fence C8 can be inserted into the jack 5 on the adjacent column 3, the fence A6, the fence B7 and the fence C8 are all installed in the way, after the fence C8 is installed, the fence B7 hinged with the connecting column 9 is installed between the two columns 3, the bottom of the connecting column 9 is inserted into the rotating groove 25 at the top of the fence A6, the inserting ring 27 is sleeved on the arc-shaped rod 29 through the opening 28, the two press blocks are separated, the fence A6 is installed between the two columns 3, and the arc-shaped rod 29 at the bottom of the fence A6 penetrates through the arc-shaped rod 29 at the top of the connecting column 9, so that the fence A6, the fence B7 and the fence C8 are pre-installed, then, the closing plate A4 is tightly installed on the column body 3, the inserting rod 20 penetrates through connecting holes in the fence body A6, the fence body B7 and the fence body C8, then the closing plate B23 is tightly installed on the column body 3, and in the installation process, after the transmission shaft 19 is aligned with the threaded pipe 34 and screwed into the threaded pipe 34, the tight installation is carried out, so that the whole installation work of the protective guard is completed;
when any one or more of the fence body A6, the fence body B7 and the fence body C8 is impacted, the corresponding sliding plate 14 is driven to compress the buffer spring A15, the transmission shaft 19 is continuously screwed into the threaded pipe 34 to meet the movement of the threaded pipe 34, so that impact energy can be absorbed to realize buffering, meanwhile, the mounting shaft 31 is also driven to compress the buffer spring B33, and the end parts at the two ends of the connecting column 9 extrude the arc-shaped springs 26 to realize further buffering;
when the fence needs to be detached, the fence body A6, the fence body B7 and the fence body C8 can be detached in sequence only by detaching the closing plate A4 and the closing plate B23, and the fence has the characteristics of simplicity and convenience in detachment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.