CN114059838A

CN114059838A - Rail guard is used in road and bridge construction

Info

Publication number: CN114059838A
Application number: CN202111509382.7A
Authority: CN
Inventors: 申琦龙; 张敬; 赵京
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-02-18

Abstract

The invention discloses a guard rail for road and bridge construction, which comprises: bottom plate, curb plate, reinforcing plate, mounting hole, slot hole, extension axle, guardrail bar, connecting axle, jackshaft, accomodate groove, sleeve pipe, movable tube, locating part, solid fixed ring, spacing hole, end, connecting block, bolt, protection network, bracing piece, fastening screw, fixed block, adjusting screw, stopper, movable block, connecting rod, gyro wheel, fixed axle, horizontal pole, installation screw. The protective guard has the advantages that the protective guard is adopted for protecting a road and bridge construction site, the protective guard has a quick installation function, can move, reduces the operation difficulty of constructors, can adjust the length, improves the practicability of the protective guard, has a good protection effect, improves the structural strength of the protective guard, is convenient to store, can realize the disassembly of the sleeve and the cross rod, can realize the retraction of the protective guard rod, is convenient for subsequent use, and improves the practicability of the protective guard.

Description

Rail guard is used in road and bridge construction

Technical Field

The invention relates to a protective guard for road and bridge construction, in particular to a protective guard for road and bridge construction, and belongs to the technical field of road and bridge application.

Background

The protective guard is an industrial protective guard or a crash-proof protective guard, is mainly used for protection and protection occasions of equipment and facilities in factories, workshops and warehouses, and is made of common steel, such as round steel pipes, square steel pipes or profiled steel plates. The surface treatment process comprises the following steps: the raw materials used for the surface treatment of the outdoor crash barrier are waterproof materials. The manufactured anti-collision guardrail has attractive appearance and is not easy to rust, and the upright post of the anti-collision guardrail is fixed with the ground through the expansion bolt (18). Usually installed on the two sides of the logistics channel, the periphery of the production equipment, the corner of the building, the two sides of the door and the edge of the goods platform, etc., effectively avoiding the damage of the equipment and facilities caused by accidental impact when the transporting equipment moves back and forth, the protective guard is used for protecting the logistics carrying equipment, the road and bridge protective guard is a protective device used in the road and bridge construction, the road and bridge construction mainly comprises the soil (stone) roadbed construction, the asphalt concrete pavement construction, the cement concrete pavement construction, the reinforced concrete cast-in-place pile foundation construction, the concrete and stone pier, the fabricated bridge member manufacturing and installation, the bridge floor and the auxiliary engineering construction and the like, the actual work project is used as a carrier, the construction process is used as a main line, the attention theory and the actual combination are combined, the practicability is outstanding, and the protective guard is used for protecting a construction unit in the construction process.

In patent document "cn201811627707. x safety guard rail for road and bridge", it is through the light barrier, the first rotating rod, the second rotating rod and the reflective coating that set up, make the device can effectively block the light to the vehicle, guarantee the driver to see the road information clearly, avoid the emergence of traffic accident, through the first lower transverse plate, the second lower transverse plate, the lower rotating shaft, the first upper transverse plate, the second upper transverse plate, the upper rotating shaft, the first fixed pin, the second fixed pin, the riser, the first strong spring and the second strong spring that set up, make the impact of the device to the car can carry on the flexible buffer, avoid the car to produce the serious deformation, lighten the injury to personnel in the car, through the gravity sensor, controller, solar panel, signal receiver and warning light that set up, make the guard rail, when toppling over, the warning light warns, and send the toppling over information to the remote monitoring personnel, in time maintain, reduce road potential safety hazard, nevertheless lack simple to operate function, current rail guard need carry out interim installation when protecting, receives the installation place restriction to be difficult to realize the effective installation that needs the protection position, and is difficult to adjust the length of rail guard in the protection process, is difficult to reach effective protection. At present, no protective guard for road and bridge construction, which has a reasonable and reliable structure, an adjusting function and convenience in installation, exists.

Disclosure of Invention

In order to solve the defects of the prior art, the protective guard for road and bridge construction is adopted to protect a construction site, has an adjustable function, can adjust the length according to the use requirement of an installation site, can be suitable for different construction sites, and has a function of convenient operation.

More in order to solve the problem among the prior art: when the protective guard is used, the protective guard can play an effective protection role through the matching of the transverse rod, the protective guard rod, the sleeve and the movable pipe, and the protective guard is installed on the protective guard, so that the protection effect of the protective guard can be improved, the problem that the protective guard is damaged due to large impact force is avoided, and the protection effect can be improved.

Further in order to solve the problems in the prior art: the protective guard has the convenient to operate function when being under construction to can carry out quick assembly disassembly, can make things convenient for carrying of protective guard through adopting the formula of can accomodating protective guard, can carry out the dismantlement and the quick fixation of sleeve pipe and expansion pipe simultaneously, improve the installation convenience, can utilize the translation that the gyro wheel realized the protective guard when the installation, reduce the operation degree of difficulty when the installation.

In order to solve the defects in the prior art, the invention provides a protective guard for road and bridge construction, which comprises: the device comprises a bottom plate, side plates, reinforcing plates, guard rails, sleeves and cross rods; the top of the bottom plate is fixedly connected with a side plate and a reinforcing plate respectively, a plurality of mounting holes are formed in the side end of the reinforcing plate, the side wall of the reinforcing plate is fixedly connected with the side plate, a containing groove is formed in the side plate and is connected with a guardrail rod in an embedded mode, a plurality of horizontally distributed sleeves are arranged between the side plates, the inner parts of the sleeves are sleeved with movable pipes in a sliding mode, fixing rings are fixedly connected to the surfaces of the movable pipes and the surfaces of the sleeves, the ends of the movable pipes are fixedly connected with end heads, and the end heads are connected with the inner portions of the mounting holes in an embedded mode; the side end of the movable block is rotatably connected with a connecting rod, and the end part of the connecting rod is rotatably connected with the roller.

Further, the bottom plate top is equipped with the curb plate of two symmetric distributions, every the curb plate all is cavity column structure, two curb plate symmetric distribution is to the both sides of reinforcing plate, the width of curb plate is less than the reinforcing plate width, reinforcing plate and curb plate all are located bottom plate one side, the curb plate passes through bracing piece and bottom plate fixed connection, the quantity of bracing piece is two, two the bracing piece slope distributes to the bottom plate both sides.

Further, the slot hole has been seted up to the curb plate lateral wall, inside and the extension axle sliding connection of slot hole, the extension axle rotates with guardrail bar tip to be connected, guardrail bar's quantity is a plurality of, a plurality of guardrail bar two liang of crisscross distributions each other, and is adjacent guardrail bar tip all rotates through the connecting axle to be connected, and is adjacent guardrail bar middle part rotates through the jackshaft to be connected, guardrail bar is located between the curb plate, guardrail bar corresponds with the groove of accomodating each other.

Further, sleeve pipe both ends all with movable tube sliding connection, movable tube fixed surface is connected with the locating part in order to realize the relative rotation between limiting sleeve pipe and the movable tube, the locating part slides with the inside gomphosis of movable tube, movable tube and sleeve pipe surface all are equipped with the solid fixed ring of a plurality of, every gu fixed ring edge has all been seted up spacing hole in order to be used for the screw connection.

Further, reinforcing plate lateral wall and connecting block fixed connection, connecting block and bolt threaded connection, the bolt runs through with the activity pipe tip and pegs graft, the activity pipe extends to inside the mounting hole of reinforcing plate side, the inside end gomphosis with the end of mounting hole is connected, the width and the two end width sums of mounting hole are the same.

Further, be equipped with a plurality of parallel distribution's sleeve pipe and movable tube between the reinforcing plate, it is adjacent all be equipped with the protection network between sleeve pipe and the movable tube, the protection network passes through spacing hole and screw and solid fixed ring fixed connection.

Further, bottom plate middle part and fastening screw threaded connection, the bottom plate both ends all fixedly connected with fixed block, the fixed block is located same horizontal position with the bottom plate surface, the adjusting screw at fixed block middle part is located the mounting hole bottom, the stopper contact movable block of adjusting screw bottom.

Furthermore, the two ends of the movable block are rotatably connected with the connecting rods, the connecting rods are symmetrically distributed to the two sides of the bottom plate in an inclined mode, each connecting rod is provided with a roller at the bottom end, and the rollers are located at the bottom of the bottom plate.

Furthermore, the side end of the bottom plate is fixedly connected with a fixed shaft, the fixed shaft is movably connected with the middle of the connecting rod, and a square hole is formed in the middle of the connecting rod so as to move on the surface of the fixed shaft.

Further, evenly be equipped with a plurality of parallel distribution's horizontal pole between the curb plate, every the horizontal pole both ends all are the column structure of buckling, the horizontal pole tip is connected with curb plate surface laminating, the regulation hole has all been seted up at the horizontal pole both ends, adjust downthehole portion and mounting screw sliding connection, mounting screw and curb plate threaded connection, the horizontal pole both ends are all through mounting screw and curb plate fixed connection.

The invention has the advantages that: the guard rail for road and bridge construction has reasonable and reliable structure, has adjusting function and convenient installation, adopts the guard rail to protect the road and bridge construction site, has quick installation function, can conveniently move by opening the roller, effectively reduces the operation difficulty of constructors, can adjust the length of the guard rail according to the on-site protection condition, improves the practicability of the guard rail, can realize the quick installation of a sleeve and a movable pipe after the adjustment is finished, effectively shortens the installation time, improves the operation convenience, can play a good protection role, plays a protection role by matching a protection net with the sleeve and the movable pipe, can further play a protection role by matching the guard rail with a transverse rod, improves the structural strength of the guard rail, is convenient to store, and can realize the disassembly of the sleeve and the transverse rod, and can realize the packing up of guardrail bar, make things convenient for subsequent use, improve the practicality of guardrail.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention and to enable other features, objects and advantages of the invention to be more fully apparent. The drawings and their description illustrate the invention by way of example and are not intended to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a guard rail for road and bridge construction according to an embodiment of the present invention;

FIG. 2 is a schematic view of a first perspective structure of the embodiment shown in FIG. 1;

FIG. 3 is a schematic perspective view of the side panel of the embodiment of FIG. 2;

FIG. 4 is a schematic side view of the cross bar of the embodiment of FIG. 2;

FIG. 5 is a schematic rear view of the embodiment of FIG. 2;

FIG. 6 is a schematic side view of the embodiment of FIG. 2;

FIG. 7 is a schematic top view of the embodiment of FIG. 2;

FIG. 8 is a perspective view of the embodiment of FIG. 2 showing the side panel;

FIG. 9 is a schematic elevation view of the embodiment of FIG. 2 showing the configuration of the guardrail at the point of view;

fig. 10 is a schematic perspective view of the embodiment of fig. 2 at the position of the sleeve.

The meaning of the reference symbols in the figures:

1. a base plate; 2. a side plate; 3. a reinforcing plate; 4. mounting holes; 5. a long hole; 6. an extension shaft; 7. guard rails; 8. a connecting shaft; 9. an intermediate shaft; 10. a receiving groove; 11. a sleeve; 12. a movable tube; 13. a limiting member; 14. a fixing ring; 15. a limiting hole; 16. a tip; 17. connecting blocks; 18. a bolt; 19. a protective net; 20. a support bar; 21. fastening a screw rod; 22. a fixed block; 23. adjusting the screw rod; 24. a limiting block; 25. a movable block; 26. a connecting rod; 27. a roller; 28. a fixed shaft; 29. a cross bar; 30. and (5) installing a screw.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 10, the guard rail for road and bridge construction includes: bottom plate 1, side panel 2, reinforcing plate 3, guardrail bar 7, sleeve pipe 11 and horizontal pole 29.

Referring to fig. 1 to 10, as a preferred scheme, the top of a bottom plate 1 is respectively fixedly connected with a side plate 2 and a reinforcing plate 3, the side end of the reinforcing plate 3 is provided with a plurality of mounting holes 4, the mounting holes 4 are used for mounting movable tubes 12, after adjacent bottom plates 1 are separated, mounting can be realized through relative movement of the movable tubes 12 and sleeves 11, and the adjacent bottom plates are embedded and mounted with the mounting holes 4 through end heads 16 at the ends of the movable tubes 12, the side wall of the reinforcing plate 3 is fixedly connected with the side plate 2, the side plate 2 is internally provided with a storage groove 10, the storage groove 10 is used for storing guard rails 7 after the guard rails are disassembled, the storage groove 10 is embedded and connected with the guard rails 7, a plurality of horizontally distributed sleeves 11 are arranged between the side plates 2, the interiors of the sleeves 11 are slidably sleeved with the movable tubes 12, the surfaces of the movable tubes 12 and the sleeves 11 are fixedly connected with fixing rings 14, the ends of the movable tubes 12 are fixedly connected with the end heads 16, the end head 16 is embedded and connected with the inside of the mounting hole 4; 1 side fixedly connected with fixed block 22 of bottom plate, fixed block 22 middle part and adjusting screw 23 threaded connection, adjusting screw 23 bottom fixedly connected with stopper 24, adjusting screw 23 runs through to cup joint with the middle part of movable block 25, the movable block 25 side rotates with connecting rod 26 to be connected, the connecting rod 26 tip rotates with gyro wheel 27 to be connected, fixed block 22 is used for adjusting screw 23's rotation, can drive stopper 24 when adjusting screw 23 rotates and remove, and then drive movable block 25 rebound, make connecting rod 26 rotate around fixed axle 28, and make gyro wheel 27 remove to bottom plate 1 bottom, gyro wheel 27 carries out the support of bottom plate 1 this moment, can realize the translation of bottom plate 1 in order to make things convenient for opening of rail guard.

Referring to fig. 1 to 9, as a specific scheme, two side plates 2 are symmetrically distributed on the top of a bottom plate 1, each side plate 2 is of a hollow structure, the two side plates 2 are symmetrically distributed on two sides of a reinforcing plate 3, the width of each side plate 2 is smaller than that of the reinforcing plate 3, the reinforcing plate 3 and the side plates 2 are located on one side of the bottom plate 1, the side plates 2 are fixedly connected with the bottom plate 1 through two supporting rods 20, the two supporting rods 20 are obliquely distributed on two sides of the bottom plate 1, the side plates 2 are used for accommodating guard bars 7 and simultaneously play a supporting role, the supporting stability of the side plates 2 and the reinforcing plates 3 can be improved through matching with the supporting rods 20, the problem that guard bars topple over when in use is avoided, the side plates 2 are symmetrically distributed on two sides of the reinforcing plate 3, the guard bars 7 between adjacent side plates 2 can be opened when in use, and can be adjusted according to the length of a protection place, the use convenience of the guard rail is improved.

Referring to fig. 1 to 4 and fig. 6 and 8, as the extension scheme, slot hole 5 has been seted up to 2 lateral walls of curb plate, the inside and extension axle 6 sliding connection of slot hole 5, extension axle 6 rotates with guardrail bar 7 tip to be connected, the quantity of guardrail bar 7 is a plurality of, two liang of mutual staggered distribution of a plurality of guardrail bar 7, adjacent guardrail bar 7 tip all rotates through connecting axle 8 to be connected, adjacent guardrail bar 7 middle part rotates through jackshaft 9 to be connected, guardrail bar 7 is located between the curb plate 2, guardrail bar 7 corresponds each other with receiving groove 10, slot hole 5 is used for the removal of extension axle 6, when adjacent bottom plate 1 removes, make guardrail bar 7 rotate around connecting axle 8 and jackshaft 9, guardrail bar 7 drives the extension and realizes opening of guardrail bar 7 at the inside removal of slot hole 5 this moment.

Referring to fig. 1 to 2, 6 to 7 and 10, as a specific solution, two ends of a sleeve 11 are slidably connected to a movable tube 12, a limiting member 13 is fixedly connected to a surface of the movable tube 12 to limit relative rotation between the sleeve 11 and the movable tube 12, the limiting member 13 is engaged with and slides inside the movable tube 12, a plurality of fixing rings 14 are respectively disposed on surfaces of the movable tube 12 and the sleeve 11, a limiting hole 15 is formed at an edge of each fixing ring 14 for screw connection, the sleeve 11 and the movable tube 12 can move relative to each other, after the balustrade 7 is opened, the movable tube 12 is moved according to a length between adjacent base plates 1, and then connection between two adjacent reinforcing plates 3 is realized through cooperation between the movable tube 12 and the sleeve 11, the limiting member 13 is used for moving inside the sleeve 11 to avoid relative rotation between the movable tube 12 and the sleeve 11, so as to realize stable extension and retraction between the sleeve 11 and the movable tube 12, and a plurality of fixing rings 14 are installed on the movable tube 12 and the sleeve 11, so that the protective net 19 can be unfolded and then placed on the fixing rings 14 at four corners, the screws are screwed into the limiting holes 15, the periphery of the protective net 19 is pressed and fixed through the screws, and the protective net 19 is installed.

Referring to fig. 1 to 3 and fig. 6, such a scheme is adopted, the side wall of the reinforcing plate 3 is fixedly connected with a connecting block 17, the connecting block 17 is in threaded connection with a bolt 18, the bolt 18 is inserted into the end of the movable tube 12, the movable tube 12 extends into the mounting hole 4 at the side end of the reinforcing plate 3, the mounting hole 4 is embedded and connected with an end 16, the width of the mounting hole 4 is equal to the sum of the widths of the two end 16, the connecting block 17 is used for being connected and fixed with the bolt 18, the movable tube 12 is fixedly installed, the problem that the movable tube 12 falls off during protection is avoided, when the installation is carried out, the end 16 at the end parts of the movable tube 12 at two sides can be embedded and connected into the same mounting hole 4, the movable tube 12 is fixed on the connecting block 17 by the bolt 18, further, the fixing of the movable tube 12 is realized, and the protection effect is achieved by the cooperation of the movable tube 12 and the sleeve 11.

Referring to fig. 1 to 2, 6 to 7 and 10, as a specific scheme, a plurality of sleeves 11 and movable pipes 12 which are distributed in parallel are arranged between reinforcing plates 3, protective nets 19 are arranged between adjacent sleeves 11 and movable pipes 12, the protective nets 19 are fixedly connected with fixing rings 14 through limiting holes 15 and screws, the protective nets 19 are arranged on the front sides of the protective fences and play a role in protection, the protective nets 19 can be fixedly installed through the fixing rings 14, the sleeves 11 and the movable pipes 12 can be stably installed between the reinforcing plates 3, meanwhile, the problem that the protective nets 19 are loosened due to rotation of the sleeves 11 and the movable pipes 12 can be avoided, the limiting holes 15 and the protective nets 19 correspond to each other through the installation positions, and convenience in installation is improved.

Referring to fig. 1 to 6, as a concrete scheme, bottom plate 1 middle part and fastening screw 21 threaded connection, bottom plate 1 both ends are all fixedly connected with fixed block 22, fixed

block

22 and 1 surperficial same horizontal position that is located of bottom plate, adjusting screw 23 at fixed block 22 middle part is located mounting hole 4 bottom, stopper 24 contact movable block 25 of adjusting screw 23 bottom, fastening screw 21 is used for the installation of bottom plate 1 to be fixed, after bottom plate 1 removes to accomplish, through reverse rotation adjusting screw 23, make gyro wheel 27 pack up the back, carry out the support on ground through bottom plate 1 this moment, fastening screw 21 is screwed up to the rethread, it is fixed to realize the installation between bottom plate 1 and the ground, bottom plate 1 passes through the support that bracing piece 20 realizes the support of curb plate 2, guarantee the stability in the support process, and the effect of protection is improved.

Referring to fig. 1 to 6, as an extension scheme, both ends of the movable block 25 are rotatably connected to the connecting rods 26, the connecting rods 26 are symmetrically distributed to both sides of the bottom plate 1 in an inclined manner, a roller 27 is disposed at the bottom end of each connecting rod 26, the roller 27 is located at the bottom of the bottom plate 1, the connecting rods 26 can drive the rollers 27 at the ends of the connecting rods to perform angle adjustment, when the rollers 27 rotate to both sides of the bottom plate 1, the rollers 27 are separated from the ground, the bottom plate 1 can support the guard rails conveniently, when the connecting rods 26 drive the rollers 27 to rotate towards the middle, the rollers 27 can contact the ground and realize separation between the bottom plate 1 and the ground, and at this time, the bottom plate 1 can be conveniently moved.

Referring to fig. 1 to 6, by adopting such a scheme, the side end of the bottom plate 1 is fixedly connected with the fixed shaft 28, the fixed shaft 28 is movably connected with the middle part of the connecting rod 26, the middle part of the connecting rod is provided with a square hole so as to move on the surface of the fixed shaft 28, when the adjusting screw 23 drives the limiting block 24 to rotate, the limiting block 24 can contact the bottom end of the movable block 25 and push the movable block 25 to move upwards, the movable block 25 can drive the connecting rod 26 to rotate around the fixed shaft 28, and meanwhile, the square hole can realize the sliding of the connecting rod 26 on the fixed shaft 28, so as to realize the rotation of the connecting rod 26.

Refer to fig. 3 to 5 and fig. 7, as the extension scheme, evenly be equipped with a plurality of parallel distribution's horizontal pole 29 between curb plate 2, every horizontal pole 29 both ends all are the column structure of buckling, horizontal pole 29 tip is connected with 2 surface laminatings of curb plate, the regulation hole has all been seted up at horizontal pole 29 both ends, the inside and installation screw 30 sliding connection of regulation hole,

installation screw

30 and 2 threaded connection of curb plate, horizontal pole 29 both ends are all through

installation screw

30 and 2 fixed connection of curb plate, horizontal pole 29 is used for the lateral wall laminating with curb plate 2, after adjusting the distance between the adjacent curb plate 2, can guarantee that horizontal pole 29 both ends are laminated with curb plate 2 all the time, and through screwing up installation screw 30 after, support horizontal pole 29 through installation screw 30, realize that the connection between horizontal pole 29 and the curb plate 2 is fixed.

According to the technical scheme, the whole protective guard for road and bridge construction is installed and used by matching the bottom plate 1, the side plates 2 and the reinforcing plate 3, the connecting rod 26 can be rotated by rotating the adjusting screw 23 during assembly, the roller 27 is further moved to the bottom of the bottom plate 1, the protective guard is moved by the roller 27, the carrying strength is effectively reduced, the operation convenience of constructors is improved, after the protective guard is adjusted according to a construction site, the movable pipe 12 and the sleeve 11 can be moved to realize rapid installation at corresponding positions, the movable pipe 12 can be stably fixed by matching the connecting block 17 and the bolt 18, the installation convenience is improved, and meanwhile, a good protection effect is achieved.

Have simultaneously and make things convenient for the dismouting function, after the installation is accomplished, can further improve the safeguard effect of rail guard through the installation of horizontal pole 29 and protection network 19, improve the security performance of rail guard, after the use is accomplished, can conveniently carry out the dismantlement of rail guard, be favorable to carrying out the transport of rail guard, improve the practicality of rail guard, the rail guard can be with protection network 19, movable tube 12 and horizontal pole 29 dismantle the back, realize the amalgamation between a plurality of reinforcing plates 3, can realize that the rail guard 7 is accomodate to curb plate 2 inside this moment, make things convenient for the carrying of rail guard, convenient subsequent use.

The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rail guard is used in road and bridge construction which characterized in that:

rail guard for road and bridge construction includes: the guardrail comprises a bottom plate (1), side plates (2), a reinforcing plate (3), guardrail rods (7), sleeves (11) and a cross rod (29);

the top of the bottom plate (1) is fixedly connected with the side plates (2) and the reinforcing plate (3) respectively, a plurality of mounting holes (4) are formed in the side end of the reinforcing plate (3), the side wall of the reinforcing plate (3) is fixedly connected with the side plates (2), a containing groove (10) is formed in the side plates (2), the containing groove (10) is connected with the guard rail (7) in an embedded mode, a plurality of horizontally distributed sleeves (11) are arranged between the side plates (2), the insides of the sleeves (11) are sleeved with the movable pipe (12) in a sliding mode, the surfaces of the movable pipe (12) and the sleeves (11) are fixedly connected with fixing rings (14), the end part of the movable pipe (12) is fixedly connected with an end head (16), and the end head (16) is connected with the insides of the mounting holes (4) in an embedded mode; bottom plate (1) side fixedly connected with fixed block (22), fixed block (22) middle part and adjusting screw (23) threaded connection, adjusting screw (23) bottom fixedly connected with stopper (24), adjusting screw (23) run through with movable block (25) middle part and cup joint, movable block (25) side rotates with connecting rod (26) to be connected, connecting rod (26) tip rotates with gyro wheel (27) to be connected.

2. The guard rail for road and bridge construction of claim 1, wherein: bottom plate (1) top is equipped with curb plate (2) of two symmetric distributions, every curb plate (2) all are cavity column structure, two curb plate (2) symmetric distribution is to the both sides of reinforcing plate (3), the width of curb plate (2) is less than reinforcing plate (3) width, reinforcing plate (3) and curb plate (2) all are located bottom plate (1) one side, curb plate (2) are through bracing piece (20) and bottom plate (1) fixed connection, the quantity of bracing piece (20) is two, two bracing piece (20) slope distribution is to bottom plate (1) both sides.

3. The guard rail for road and bridge construction of claim 1, wherein: slot hole (5) have been seted up to curb plate (2) lateral wall, slot hole (5) inside and extension axle (6) sliding connection, extension axle (6) rotate with guardrail bar (7) tip to be connected, the quantity of guardrail bar (7) is a plurality of, a plurality of two liang of crisscross distributions each other of guardrail bar (7), adjacent guardrail bar (7) tip all rotates through connecting axle (8) to be connected, and is adjacent guardrail bar (7) middle part is passed through jackshaft (9) and is rotated the connection, guardrail bar (7) are located between curb plate (2), guardrail bar (7) with accomodate groove (10) and correspond each other.

4. The guard rail for road and bridge construction of claim 1, wherein: sleeve pipe (11) both ends all with movable tube (12) sliding connection, movable tube (12) fixed surface is connected with locating part (13) in order to realize limiting sleeve pipe (11) and the relative rotation between movable tube (12), locating part (13) slide with the inside gomphosis of movable tube (12), movable tube (12) and sleeve pipe (11) surface all are equipped with the solid fixed ring of a plurality of (14), every gu fixed ring (14) edge has all been seted up spacing hole (15) in order to be used for the screw connection.

5. The guard rail for road and bridge construction of claim 1, wherein: reinforcing plate (3) lateral wall and connecting block (17) fixed connection, connecting block (17) and bolt (18) threaded connection, bolt (18) run through with activity pipe (12) tip and peg graft, activity pipe (12) extend to inside mounting hole (4) of reinforcing plate (3) side, inside and end (16) gomphosis of mounting hole (4) are connected, the width and two end (16) width sums of mounting hole (4) are the same.

6. The guard rail for road and bridge construction of claim 1, wherein: be equipped with a plurality of parallel distribution's sleeve pipe (11) and activity pipe (12) between reinforcing plate (3), it is adjacent all be equipped with protection network (19) between sleeve pipe (11) and activity pipe (12), protection network (19) are through spacing hole (15) and screw and solid fixed ring (14) fixed connection.

7. The guard rail for road and bridge construction of claim 6, wherein: bottom plate (1) middle part and fastening screw (21) threaded connection, bottom plate (1) both ends are all fixedly connected with fixed block (22), fixed block (22) and bottom plate (1) surface are located same horizontal position, adjusting screw (23) at fixed block (22) middle part are located mounting hole (4) bottom, stopper (24) contact movable block (25) of adjusting screw (23) bottom.

8. The guard rail for road and bridge construction of claim 1, wherein: the movable block (25) both ends all rotate with connecting rod (26) and are connected, connecting rod (26) are slope form symmetric distribution to bottom plate (1) both sides, every connecting rod (26) bottom all is equipped with gyro wheel (27), gyro wheel (27) are located bottom plate (1) bottom.

9. The guard rail for road and bridge construction of claim 1, wherein: the side end of the bottom plate (1) is fixedly connected with a fixed shaft (28), the fixed shaft (28) is movably connected with the middle of a connecting rod (26), and a square hole is formed in the middle of the connecting rod so as to move on the surface of the fixed shaft (28).

10. The guard rail for road and bridge construction of claim 4, wherein:

evenly be equipped with a plurality of parallel distribution's horizontal pole (29), every between curb plate (2) horizontal pole (29) both ends all are the column structure of buckling, horizontal pole (29) tip is connected with curb plate (2) surface laminating, the regulation hole has all been seted up at horizontal pole (29) both ends, the inside and mounting screw (30) sliding connection of regulation hole, mounting screw (30) and curb plate (2) threaded connection, horizontal pole (29) both ends are all through mounting screw (30) and curb plate (2) fixed connection.