CN114056408A - Concrete movable guardrail loading and unloading vehicle and guardrail structure - Google Patents
Concrete movable guardrail loading and unloading vehicle and guardrail structure Download PDFInfo
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- CN114056408A CN114056408A CN202010787051.9A CN202010787051A CN114056408A CN 114056408 A CN114056408 A CN 114056408A CN 202010787051 A CN202010787051 A CN 202010787051A CN 114056408 A CN114056408 A CN 114056408A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
- B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
- B62B3/0618—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground using fluid lifting mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
- E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a loading and unloading vehicle for a concrete movable guardrail and a guardrail structure. The loading and unloading vehicle comprises a loading platform, a moving platform, a force application pressure rod, a height lifting device and a width adjusting device, wherein the loading platform comprises two parallel and separated plane structures extending forwards, the plane structures extending out of the loading platform are directly inserted into mounting grooves of guardrails, a plurality of universal wheels are arranged at the bottom of the moving platform, the moving platform moves and pulls through the force application pressure rod, the height lifting device adopts a hydraulic principle, the width adjusting device adopts a jack principle, and the guardrail structure comprises a precast block, a plug upright post and a longitudinal connecting member. The guardrail handling mode of the loading and unloading vehicle is simple and convenient, and the guardrail manual assembly and disassembly efficiency is improved; the concrete movable guardrail structure has the function of opening and moving and meets the safety protection capability of the highway movable guardrail.
Description
Technical Field
The invention relates to the field of highway guardrails, in particular to a concrete movable guardrail loading and unloading vehicle and a guardrail structure.
Background
The movable guardrail is a movable facility which is arranged at the opening of the central separation belt and is used for facilitating the passing of special vehicles (such as traffic accident handling vehicles and emergency vehicles) in emergency and temporarily opening and releasing when one side of the road is closed in construction. The existing movable guardrails are mainly represented in a telescopic type and a plug-in type, and have no anti-collision capability although the movable guardrails are convenient to open, so that an accident vehicle is easy to crash and then rushes to an object lane to cause a malignant traffic accident; and a part of concrete movable guardrails have good anti-collision performance, but the installation and the disassembly are very complicated, no matched installation and disassembly tools are provided, and the opening function is hardly provided, so that the starting time of the rescue vehicle and the rescue time of the injured person are delayed.
Years of application of the highway guardrail find that the reinforced concrete structure can easily achieve higher protection capability, is a better choice of the guardrail structure, has higher safety margin, is simple to maintain in later period, has better protection capability and higher economical efficiency based on the concrete structure, is matched with a vehicle for researching and developing the guardrail to load and unload the vehicle, and has important significance for application of the central separation zone opening guardrail.
Therefore, according to the standard requirements of the highway guardrail, the policy of 'safe traffic and green traffic' is combined, and the concrete movable guardrail loading and unloading vehicle and the guardrail structure are provided.
Disclosure of Invention
The invention aims to provide a loading and unloading vehicle for a concrete movable guardrail and a guardrail structure, which are used for overcoming the defects of the existing concrete movable guardrail in the aspects of safety protection, a dismounting mode, an opening function and a matched facility technology.
The invention can be realized by the following technical scheme:
a loading and unloading vehicle for movable concrete guardrails is used for carrying the movable concrete guardrails and comprises a loading platform, a moving platform, a force application pressure rod, a height lifting device and a width adjusting device, the loading platform comprises two parallel and separated plane structures extending forwards, the plane structures extending out of the loading platform are directly inserted into the installation grooves of the guardrails, the mobile platform is arranged right below the loading platform, the position of the mobile platform is parallel to and corresponding to the center of the plane structure of the loading platform, the mobile platform also comprises two parallel and separated plane structures which extend forwards, the bottom of the moving platform is provided with a plurality of universal wheels, the loading platform and the moving platform are vertically connected through a height lifting device, and the separated loading platform and the moving platform are transversely connected through a width adjusting device;
the height lifting device comprises a hydraulic oil pump, a jack, an oil delivery pipe and an oil return pipe, the hydraulic oil pump is arranged at the tail end of the bottom between the loading platform and the moving platform, the jack is arranged in the middle and in the front between the loading platform and the moving platform, the oil delivery pipe and the oil return pipe are communicated with the hydraulic oil pump and the jack, and the oil delivery pipe and the oil return pipe are arranged in a gap between the loading platform and the moving platform;
the loading platform is provided with a loading platform supporting leg, a force application pressure lever and a bolt, wherein the loading platform is provided with a loading platform, the loading platform is provided with a return spring, the force application pressure lever is arranged above the loading platform and is connected with the loading platform through a pull rod supporting leg and the bolt, the cross section of the pull rod supporting leg is in an inverted-inclined L shape, the other end of the force application pressure lever is provided with a handrail, the cross section of the force application pressure lever and the handrail are in an inclined L shape, the bottom of an L-shaped convex edge connected with the force application pressure lever and the pull rod supporting leg is provided with a pressure lever of a hydraulic oil pump, the pressure lever penetrates through the loading platform and is inserted into the hydraulic oil pump, and the return spring is arranged between the force application pressure lever and the loading platform and sleeved outside the pressure lever;
the width adjusting device comprises a variable angle supporting rod, a hand screw, a positioning nut, a slidable connecting bolt, a top L-shaped plate, a bottom L-shaped plate and a sealing panel, wherein the long edge of the top L-shaped plate is in anchor welding with a loading platform, the long edge of the bottom L-shaped plate is in anchor welding with a moving platform, a long edge plane of the top L-shaped plate is provided with a strip bolt hole, a long edge plane of the bottom L-shaped plate is provided with a round bolt hole, the slidable connecting bolt simultaneously penetrates through the strip bolt hole of the top L-shaped plate and the round bolt hole of the bottom L-shaped plate to form integral connection, fulcrums at two ends of the variable angle supporting rod are respectively arranged on the short edge planes of the top L-shaped plate and the bottom L-shaped plate and are in anchor connection, the hand screw penetrates into reserved round holes of symmetrical surfaces at two ends of the variable angle supporting rod, an internal thread corresponding to the hand screw is arranged in the reserved round holes, the hand screw is fixed on the variable angle supporting rod through the positioning nut, variable angle bracing piece does not have all through pivot or rivet connection between the limit, and two mounting panels weld respectively and set up the long limit both sides face at top L shaped plate, and laminate mutually with the long limit plane top of bottom L shaped plate, all set up rectangular bolt hole on two mounting panels.
Furthermore, a bayonet is arranged at the bottom of the force application pressure rod, the bayonet is opened after the oblique L-shaped force application pressure rod is pushed upwards, and the straight edge of the force application pressure rod is kept vertically and upwards immovable.
Furthermore, the top of the pull rod support leg is of a groove shape, so that a space is provided for the downward pressing or upward lifting of the force application pressure rod.
Furthermore, the loading platform is a semi-closed groove type, and a moving platform is wrapped inside the loading platform.
Further, the handrail is of a telescopic structure and comprises an inner sleeve and an outer sleeve and a folding form.
Further, hand screw rod includes that L shape exposes head and screw rod to the head, and it is inboard that the screw rod inserts the facing board, two set nut settings penetrate the outside that the round hole was reserved on variable angle bracing piece both sides at the screw rod, the setting of third set nut penetrates in one of them side interior limit of the round hole is reserved on variable angle bracing piece both sides at the screw rod for the initial width of fixed variable angle bracing piece.
Furthermore, the cross section of the fulcrum is in one or a combination of a circle or a rectangle, one end of the fulcrum is anchored with one side of the variable angle supporting rod, the other end of the fulcrum is anchored with the short side plane of the top L-shaped plate and the bottom L-shaped plate, and the position of the variable angle supporting rod is fixed to be unchanged.
Further, a concrete movable guardrail structure, including prefabricated section, plug stand, vertical connecting elements, its characterized in that: the prefabricated section is monolithic formula reinforced concrete prefabricated section structure, every prefabricated section bottom sets up two mounting holes, the mounting hole top surface is apart from the road surface take the altitude, longitudinal connection component sets up the prefabricated section both ends, the prefabricated section bottom sets up a plurality of buried sleeve pipe in advance, mounting hole and buried sleeve pipe dislocation set in advance, buried sleeve pipe bottom and prefabricated section bottom surface parallel and level or short slightly, the horizontal pendulum of prefabricated section bottom surface sets up on the road surface, also set up a plurality of buried sleeve pipe in advance and the position and the buried sleeve pipe phase-match of prefabricated section inside in the road surface, the plug stand inserts simultaneously in the buried sleeve pipe that prefabricated section and road surface set up, the prefabricated section passes through with the road surface plug stand anchor location.
Furthermore, the cross-sectional shape of the precast block is one or a combination of a reinforced slope surface, an F-shaped slope surface, a single slope surface and a straight wall surface, and the cross-sectional shape of the mounting hole is one or a combination of a rectangle and a circle.
Further, the concrete working principle of the loading and unloading truck for carrying the concrete movable guardrail comprises the following steps:
when the guardrail of the loading and unloading vehicle is lifted, the loading platform and the moving platform are inserted into the guardrail mounting hole, a worker applies downward force F by tightly holding the handrail, the force application pressure rod continuously impacts the pressure rod downwards, the reset spring is continuously compressed and restored at the moment, the pressure rod continuously applies pressure to the interior of the hydraulic oil pump, the pressure extrudes hydraulic oil in the hydraulic oil pump, the hydraulic oil is transmitted into each jack through the oil conveying pipe, the jack continuously lifts the height of the top head in the jack through a hydraulic principle at the moment, the plane position of the moving platform is not moved at the moment, the jack supports the plane lifting height of the loading platform until the plane lifting height is attached to the top surface of the mounting hole, the force is continuously applied to enable the loading platform to support the guardrail structure, and the guardrail structure can be moved to any designated position through the universal wheel; when the guardrail was placed to the loading and unloading car and the reduction height, the workman continuously upwards lifted the application of force depression bar through the handrail, and the pressure bar slowly promoted this moment, and hydraulic oil pump internal pressure constantly diminishes, and during hydraulic oil in the jack continuously returned the hydraulic oil pump through returning oil pipe, the top height of each jack constantly reduced, continues the application of force and makes guardrail structure bottom surface and road surface laminating, in the jack was returned completely to the top, the loading and unloading car recovered initial height position this moment.
When the loading platform and the moving platform cannot be inserted into the guardrail mounting hole, a worker rotates the hand-operated screw in the forward direction, the reserved round hole of the variable-angle supporting rod retracts inwards along the direction of the hand-operated screw while the hand-operated screw rotates, the width of the variable-angle supporting rod gradually narrows inwards along the direction of the hand-operated screw by taking a rotating shaft or a rivet as an original point, the pivot directions at two ends of the variable-angle supporting rod push against the short-edge planes of the top L-shaped plate and the bottom L-shaped plate to gradually expand outwards, the slidable connecting bolts at two sides simultaneously move inwards along the strip bolt holes of the top L-shaped plate, so that the distance between the two separated parallel loading platforms gradually increases, and after the width of the loading platform and the moving platform are adjusted according to the pre-measured distance between the mounting holes, the loading platform and the moving platform can be finally inserted into the guardrail mounting hole; when loading platform width of loading and unloading car was transferred back initial width, the workman was through the antiport hand screw rod, when the hand screw rod was rotatory, the reservation round hole of variable angle bracing piece outwards expanded motion along hand screw rod direction, variable angle bracing piece width is outwards widened for the initial point gradually through pivot or rivet along hand screw rod direction, the minor face plane that variable angle bracing piece both ends fulcrum direction was drawing top L shaped plate and bottom L shaped plate at this moment inwards draws near gradually, both sides slidable connection bolt is outwards moved along the rectangular bolt hole of top L shaped plate simultaneously, thereby realize that two spaced parallel loading platform intervals diminish gradually, get back to set nut's extreme point until variable angle bracing piece, the loading and unloading car resumes initial width position this moment.
After the technical scheme is adopted, the invention has the following beneficial effects:
(1) through reasonable design, the concrete movable guardrail structure has the function of opening and moving, and simultaneously achieves the purpose of meeting the safety protection capability of the highway movable guardrail;
(2) the guardrail handling mode of the loading and unloading vehicle is simple and convenient, and the guardrail manual assembly and disassembly efficiency is improved;
(3) the loading and unloading vehicle has great influence on the development trend of the concrete movable guardrail at the present stage and in the future, and can create great economic benefit;
(4) the later maintenance cost of the concrete movable guardrail structure is low, and the investment cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic side perspective view of a lift truck configuration according to an embodiment of the present invention;
FIG. 2 is a schematic top perspective view of the loader structure of the embodiment of the present invention;
FIG. 3 is a schematic perspective left side view of the lift truck configuration of the illustrated embodiment of the present invention;
FIG. 4 is a perspective schematic view of a lift truck configuration according to the illustrated embodiment of the present invention;
FIG. 5 is a perspective schematic view of a prefabricated section of a guardrail according to an embodiment of the invention;
FIG. 6 is a schematic sectional elevation view of the prefabricated section structure of the guardrail according to the embodiment of the invention;
fig. 7 is a schematic view of a lift truck handling guardrail of an embodiment of the present invention.
In the figure: 1. a loading platform; 2. a mobile platform; 3. a force applying pressure lever; 4. a height lifting device; 5. a width adjustment device; 6. a hydraulic oil pump; 7. a jack; 8. an oil delivery pipe; 9. an oil return pipe; 10. a tie rod foot; 11. a bolt; 12. a handrail; 13. a pressure lever; 14. a return spring; 15. a universal wheel; 16. ejecting the head; 17. a support bar; 18. hand-cranking screw; 19. positioning a nut; 20. a slidable connecting bolt; 21. a top L-shaped plate; 22. a bottom L-shaped plate; 23. a cover plate; 24. a strip bolt hole; 25. reserving a round hole; 26. a fulcrum; 27. a round bolt hole; 28. an L-shaped handle head; 29. a screw; 30. prefabricating blocks; 31. plugging and unplugging the upright column; 32. a longitudinal connecting member; 33. mounting holes; 34. pre-burying a sleeve; 35. a road surface.
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. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Referring to fig. 1-4, an embodiment of a concrete guardrail handling vehicle is shown for handling concrete guardrails. The loading and unloading vehicle comprises a loading platform 1, a moving platform 2, a force application pressure rod 3, a height lifting device 4 and a width adjusting device 5, wherein the loading platform 1 comprises two parallel and separated plane structures extending forwards, the plane structures extending out of the loading platform 1 are directly inserted into mounting grooves of guardrails, the moving platform 2 is arranged under the loading platform 1, the position of the moving platform 2 is parallel to the plane structures of the loading platform 1, the center of the moving platform 2 corresponds to the center of the plane structures, the moving platform 2 also comprises two parallel and separated plane structures extending forwards, a plurality of universal wheels 15 are arranged at the bottom of the moving platform 2, the loading platform 1 is vertically connected with the moving platform 2 through the height lifting device 4, and the separated loading platform 1 is transversely connected with the moving platform 2 through the width adjusting device 5;
the height lifting device 4 comprises a hydraulic oil pump 6, a jack 7, an oil delivery pipe 8 and an oil return pipe 9, the hydraulic oil pump 6 is arranged at the tail end of the bottom between the loading platform 1 and the moving platform 2, the jack 7 is arranged in the middle and the front between the loading platform 1 and the moving platform 2, the oil delivery pipe 8 and the oil return pipe 9 penetrate through the connection between the hydraulic oil pump 6 and the jack 7, and the oil delivery pipe 8 and the oil return pipe 9 are arranged in a gap between the loading platform 1 and the moving platform 2;
the loading platform comprises a loading platform 1, a force application pressure lever 3, a pull rod supporting leg 10, a bolt 11, a handrail 12, a reset spring 14 and a bolt, wherein the force application pressure lever 3 is arranged above the loading platform 1 and connected through the pull rod supporting leg 10 and the bolt 11, the cross section of the pull rod supporting leg 10 is in an inverted-inclined L shape, the other end of the force application pressure lever 3 is provided with the handrail 12, the cross sections of the force application pressure lever 3 and the handrail 12 are in an inclined L shape, the bottom of an L-shaped convex edge of the force application pressure lever 3 connected with the pull rod supporting leg 10 is provided with the pressure rod 13 of a hydraulic oil pump 6, the pressure rod 13 penetrates through the loading platform 1 and is inserted into the hydraulic oil pump 6, the reset spring 14 is arranged between the force application pressure lever 3 and the loading platform 1, and the reset spring 14 is sleeved outside the pressure rod 13;
the width adjusting device 5 comprises a variable angle support rod 17, a hand screw 18, a positioning nut 19, a slidable connecting bolt 20, a top L-shaped plate 21, a bottom L-shaped plate 22 and a sealing plate 23, wherein the long edge of the top L-shaped plate 21 is in anchor welding with the loading platform 1, the long edge of the bottom L-shaped plate 22 is in anchor welding with the moving platform 2, a long strip bolt hole 24 is arranged on the long edge plane of the top L-shaped plate 21, a round bolt hole 27 is arranged on the long edge plane of the bottom L-shaped plate 22, the slidable connecting bolt 20 simultaneously penetrates through the long strip bolt hole 24 of the top L-shaped plate 21 and the round bolt hole 27 of the bottom L-shaped plate 22 to form integral connection, two end fulcrums 26 of the variable angle support rod 17 are respectively arranged on the short edge planes of the top L-shaped plate 21 and the bottom L-shaped plate 22 and are in anchor connection, the hand screw 18 penetrates into reserved round holes 25 of the symmetrical surfaces at two ends of the variable angle support rod 17, set up the internal thread that corresponds with hand screw 18 in reserving round hole 25, hand screw 18 passes through set nut 19 fixed position on variable angle bracing piece 17, and variable angle bracing piece 17 does not have all through pivot or rivet connection between the limit, and two package face boards 23 weld respectively and set up the long limit both sides face at top L shaped plate 21, and laminate mutually with the long limit plane top of bottom L shaped plate 22, all set up rectangular bolt hole 24 on two package face boards 23.
The bottom of the force application pressure rod 3 is provided with a bayonet 17, the bayonet 17 is opened after the oblique L-shaped force application pressure rod 3 is pushed upwards, and the straight edge of the force application pressure rod 3 is kept vertically and upwards immovable.
The top of the pull rod support leg 10 is of a groove shape, so that a space is provided for the downward pressing or upward lifting of the force applying compression rod 3.
The loading platform 1 is a semi-closed groove type, and the interior of the loading platform is wrapped by the moving platform 2.
The armrest 12 is of a telescopic construction, including an inner and outer sleeve form and a folded form.
Fig. 5-6 show an embodiment of a concrete movable guardrail structure. Including prefabricated section 30, plug stand 31, vertical connecting elements 32, its characterized in that: the precast block 30 is a monolithic reinforced concrete precast block structure, two mounting holes 33 are formed in the bottom of each precast block 30, the top surfaces of the mounting holes 33 are at a certain height from a road surface 35, the longitudinal connecting members 32 are arranged at two ends of the precast block 30, a plurality of embedded sleeves 34 are arranged at the bottom of each precast block 30, the mounting holes 33 and the embedded sleeves 34 are arranged in a staggered mode, the bottoms of the embedded sleeves 34 are flush with or slightly short of the bottom surface of each precast block 30, the bottom surface of each precast block 30 is arranged on the road surface 35 in a flat swinging mode, the position of each embedded sleeve 34 in the road surface 35 is matched with that of the embedded sleeve 34 in the precast block 30, the plug columns 31 are simultaneously inserted into the embedded sleeves 34 arranged on the precast blocks 30 and the road surface 35, and the precast blocks 30 and the road surface 35 are anchored and positioned through the plug columns 31.
The longitudinal connecting component is in an I-shaped steel connecting bolt form, the I-shaped steel connecting bolt comprises I-shaped steel and an embedded joint, the I-shaped steel consists of a straight plate, a vertical plate and a hook ring, the straight plate and the vertical plate are welded or directly cast and formed through thicker steel plates, two ends of the hook ring are welded on the top surface of the straight plate, the hook ring is circular arc round steel, which is used in cooperation with a hand hook, the section of one end of the hand hook is a hook-shaped round steel with an arc-shaped section, the hook-shaped round steel of the hand hook is sleeved in a hook ring to form a sleeve connection, the pre-buried joint is pre-buried in reinforced concrete prefabricated section structure both ends and with concrete prefabricated section side parallel and level, the pre-buried joint comprises channel-section steel, cardboard, floor, anchor board, cardboard and floor welding in the channel-section steel concave surface, form the semi-closed mounting groove that can make straight board, riser card go into, the anchor board welds on channel-section steel dorsal plane, sets up on the anchor board plane and reserves the anchor hole, reserves the anchor hole and penetrates reinforcing bar and concrete anchor.
The cross-sectional shape of prefabricated section 30 is one or the combination in strenghthened type domatic, F type domatic, single domatic, the straight wall face, mounting hole 33 cross-sectional shape is one or the combination in rectangle, circular.
As shown in fig. 7, an exemplary embodiment of a truck handling guardrail is shown. The concrete working principle of the loading and unloading truck for carrying the concrete movable guardrail comprises the following steps:
when the loading and unloading vehicle moves the guardrail to lift the height, the loading platform 1 and the moving platform 2 are inserted into the guardrail mounting hole 33, a worker applies downward force F by tightly holding the handrail 12, so that the force application pressure rod 3 continuously impacts the pressure rod 13 downwards, the reset spring 14 is also continuously compressed and restored at the moment, the pressure rod 13 continuously applies pressure to the interior of the hydraulic oil pump 6, the pressure extrudes hydraulic oil in the hydraulic oil pump 6, hydraulic oil is transmitted into each jack 7 through an oil pipeline 8, the jacks 7 enable the jacking heads 16 inside the jacks to be lifted continuously according to the hydraulic principle, the plane position of the moving platform 2 is fixed, the jacks 7 lift the plane lifting height of the loading platform 1 until the plane lifting height is attached to the top surface of the mounting holes 33, force is continuously applied to enable the loading platform 1 to lift the guardrail structure, and the guardrail structure can be moved to any appointed position through universal wheels 15; when the guardrail is placed to the loading and unloading car and the height is reduced, the worker continuously lifts up the force application pressure lever 3 through the handrail 12, the pressure lever 13 is slowly lifted at the moment, the internal pressure of the hydraulic oil pump 6 is continuously reduced, hydraulic oil in the jack 7 is continuously returned to the hydraulic oil pump 6 through the oil return pipe 9, the height of the top head 16 of each jack 7 is continuously reduced, the force application is continuously carried out, the bottom surface of the guardrail structure is attached to the road surface 35, the loading and unloading car returns to the initial height position until the top head 16 completely returns to the jack 7.
When the width of the loading platform of the loading and unloading vehicle is insufficient and the loading platform 1 and the moving platform 2 can not be inserted into the guardrail mounting hole 33, a worker rotates the hand-operated screw 18 in the forward direction, and simultaneously when the hand-operated screw 18 rotates, the reserved round hole of the variable angle supporting rod 17 moves inwards in a contracting way along the direction of the hand-operated screw 18, the width of the variable angle supporting rod 17 is gradually narrowed inwards along the direction of the hand-operated screw 18 by taking a rotating shaft or a rivet as an original point, then the supporting points 26 at the two ends of the variable angle supporting rod 17 push against the short-side planes of the top L-shaped plate 21 and the bottom L-shaped plate 22 to gradually expand outwards, the slidable connecting bolts 20 at the two sides simultaneously move inwards along the strip bolt holes 24 of the top L-shaped plate 21, thereby realizing the gradually enlarged interval between the two separated parallel loading platforms 1, after the width is adjusted according to the pre-measured distance between the mounting holes 33, the loading platform 1 and the moving platform 2 can be finally inserted into the guardrail mounting holes 33; when the loading platform width of the loading vehicle is adjusted back to the initial width, a worker rotates the hand screw 18 in the reverse direction, when the hand screw 18 rotates, the reserved round hole of the variable angle support rod 17 expands outwards along the direction of the hand screw 18, the width of the variable angle support rod 17 gradually expands outwards along the direction of the hand screw 18 through the rotating shaft or the rivet to serve as the original point, at the moment, the short-side planes of the top L-shaped plate 21 and the bottom L-shaped plate 22 are gradually drawn inwards towards the direction of the fulcrums 26 at the two ends of the variable angle support rod 17, the slidable connecting bolts 20 at the two sides simultaneously move outwards along the long bolt holes 24 of the top L-shaped plate 21, so that the distance between the two separated parallel loading platforms 1 is gradually reduced until the end point of the positioning nut 19 is returned to the variable angle support rod 17, and the loading vehicle is restored to the initial width position at the moment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a concrete movable guardrail loads and unloads car for concrete movable guardrail's transport, its characterized in that: the loading and unloading vehicle comprises a loading platform (1), a moving platform (2), a force application pressure rod (3), a height lifting device (4) and a width adjusting device (5), wherein the loading platform (1) comprises two parallel and separated plane structures extending forwards, the plane structures extending out of the loading platform (1) are directly inserted into mounting grooves of guardrails, the moving platform (2) is arranged under the loading platform (1), the position of the moving platform (2) corresponds to the plane structures of the loading platform (1) in parallel and at the center, the moving platform (2) also comprises two parallel and separated plane structures extending forwards, a plurality of universal wheels (15) are arranged at the bottom of the moving platform (2), the loading platform (1) is vertically connected with the moving platform (2) through the height lifting device (4), and the loading platform (1) is separated from the moving platform (2) through the width adjusting device (5) Transversely connecting;
the height lifting device (4) comprises a hydraulic oil pump (6), a jack (7), an oil delivery pipe (8) and an oil return pipe (9), the hydraulic oil pump (6) is arranged at the bottom tail end between the loading platform (1) and the moving platform (2), the jack (7) is arranged in the middle and front part between the loading platform (1) and the moving platform (2), the oil delivery pipe (8) and the oil return pipe (9) penetrate through the connection between the hydraulic oil pump (6) and the jack (7), and the oil delivery pipe (8) and the oil return pipe (9) are arranged in a gap between the loading platform (1) and the moving platform (2);
the loading platform is characterized in that the force application pressure lever (3) is arranged above the loading platform (1) and connected through a pull rod support leg (10) and a bolt (11), the cross section of the pull rod support leg (10) is in an inverted L shape, the other end of the force application pressure lever (3) is provided with a handrail (12), the cross sections of the force application pressure lever (3) and the handrail (12) are in an inclined L shape, the bottom of an L-shaped convex edge of the force application pressure lever (3) connected with the pull rod support leg (10) is provided with a pressure rod (13) of a hydraulic oil pump (6), the pressure rod (13) penetrates through the loading platform (1) and is inserted into the hydraulic oil pump (6), a reset spring (14) is arranged between the force application pressure lever (3) and the loading platform (1), and the reset spring (14) is sleeved on the outer side of the pressure rod (13);
the width adjusting device (5) comprises a variable-angle supporting rod (17), a hand-operated screw (18), a positioning nut (19), a slidable connecting bolt (20), a top L-shaped plate (21), a bottom L-shaped plate (22) and an enclosure plate (23), wherein the long edge of the top L-shaped plate (21) is in anchor welding with the loading platform (1), the long edge of the bottom L-shaped plate (22) is in anchor welding with the moving platform (2), a long bolt hole (24) is formed in the long edge plane of the top L-shaped plate (21), a round bolt hole (27) is formed in the long edge plane of the bottom L-shaped plate (22), the slidable connecting bolt (20) simultaneously penetrates through the long bolt hole (24) of the top L-shaped plate (21) and the round bolt hole (27) of the bottom L-shaped plate (22) to form integral connection, fulcrums (26) at two ends of the variable-angle supporting rod (17) are respectively arranged on the short edge planes of the top L-shaped plate (21) and the bottom L-shaped plate (22) and are in anchor connection, hand screw rod (18) penetrate in reserve round hole (25) of variable angle bracing piece (17) both ends plane of symmetry, set up the internal thread that corresponds with hand screw rod (18) in reserving round hole (25), hand screw rod (18) pass through set nut (19) fixed position on variable angle bracing piece (17), variable angle bracing piece (17) do not have all through pivot or rivet connection between the limit, two front cover boards (23) weld respectively and set up the long limit both sides face at top L shaped plate (21), and laminate mutually with the long limit plane top of bottom L shaped plate (22), all set up rectangular bolt hole (24) on two front cover boards (23).
2. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: the bottom of the force application pressing rod (3) is provided with a bayonet (17), the bayonet (17) is opened after the oblique L-shaped force application pressing rod (3) is pushed upwards, and the straight edge of the force application pressing rod (3) is kept vertically upwards immovable.
3. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: the top of the pull rod support leg (10) is of a groove shape, and a space is provided for the downward pressing or upward lifting of the force application compression bar (3).
4. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: the loading platform (1) is a semi-closed groove type, and the interior of the loading platform is wrapped by the moving platform (2).
5. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: the handrail (12) is of a telescopic structure and comprises an inner sleeve pipe form and an outer sleeve pipe form and a folding form.
6. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: hand screw rod (18) include that L shape exposes head (28) and screw rod (29) to head (28), and L shape is in the front cover board (23) outside, and front cover board (23) are inboard inserted in screw rod (29), two set nut (19) set up and penetrate the outside that round hole (25) were reserved on variable angle bracing piece (17) both sides in screw rod (29), third set nut (19) set up and penetrate in one of them side interior limit that round hole (25) were reserved on variable angle bracing piece (17) both sides in screw rod (29), are used for the initial width of fixed variable angle bracing piece (17).
7. A concrete movable guardrail handling vehicle as claimed in claim 1, wherein: the cross section of the fulcrum (26) is in one or a combination of a circle or a rectangle, one end of the fulcrum (26) is anchored with one side of the variable angle supporting rod (17), the other end of the fulcrum is anchored with the short side plane of the top L-shaped plate (21) and the bottom L-shaped plate (22), and the position of the fixed variable angle supporting rod (17) is unchanged.
8. The utility model provides a concrete movable guardrail structure, includes prefabricated section (30), plug stand (31), vertical connecting elements (32), its characterized in that: the prefabricated block (30) is of a single-piece reinforced concrete prefabricated block structure, two mounting holes (33) are formed in the bottom of each prefabricated block (30), the top surfaces of the mounting holes (33) are at a certain height from a road surface (35), the longitudinal connecting members (32) are arranged at two ends of each prefabricated block (30), a plurality of embedded sleeves (34) are arranged at the bottom of each prefabricated block (30), the mounting holes (33) and the embedded sleeves (34) are arranged in a staggered mode, the bottom of each embedded sleeve (34) is flush with or slightly shorter than the bottom surface of each prefabricated block (30), the bottom surface of each prefabricated block (30) is flatly arranged on the road surface (35) in a swinging mode, a plurality of embedded sleeves (34) are also arranged in the road surface (35) and are matched with the embedded sleeves (34) in the prefabricated blocks (30), and the plugging upright columns (31) are simultaneously inserted into the embedded sleeves (34) arranged in the prefabricated blocks (30) and the road surface (35), the precast block (30) and the road surface (35) are anchored and positioned through the plugging upright post (31).
9. An easily disassembled and assembled one-piece concrete movable guardrail structure as claimed in claim 8, wherein: the cross section of the precast block (30) is in one or a combination of a reinforced slope surface, an F-shaped slope surface, a single slope surface and a straight wall surface, and the cross section of the mounting hole (33) is in one or a combination of a rectangle and a circle.
10. A concrete movable guardrail handling vehicle and guardrail structure as claimed in claims 1 and 8, wherein: the concrete working principle of the loading and unloading truck for carrying the concrete movable guardrail comprises the following steps:
when the lifting height of the guardrail is moved by a loading and unloading vehicle, a loading platform (1) and a moving platform (2) are inserted into a guardrail mounting hole (33), a worker applies downward force F by tightly holding a handrail (12), so that a force application pressure lever (3) continuously impacts a pressure rod (13) downwards, at the moment, a reset spring (14) is also continuously compressed and restored, the pressure rod (13) continuously applies pressure to the inside of a hydraulic oil pump (6), the pressure extrudes hydraulic oil in the hydraulic oil pump (6), the hydraulic oil is transmitted into each jack (7) through an oil conveying pipe (8), at the moment, the jack (7) enables a top head (16) in the jack to continuously lift the height through a hydraulic principle, at the moment, the plane position of the moving platform (2) is fixed, the jack (7) supports the plane lifting height of the loading platform (1) until the plane lifting height is attached to the top surface of the mounting hole (33), and continues to apply force to enable the loading platform (1) to support the guardrail structure, the guardrail structure can be moved to any appointed position through the universal wheel (15); when a loading and unloading vehicle is placed on a guardrail and the height is reduced, a worker continuously lifts the force application pressure lever (3) upwards through the handrail (12), the pressure lever (13) is slowly lifted, the internal pressure of the hydraulic oil pump (6) is continuously reduced, hydraulic oil in the jacks (7) is continuously returned to the hydraulic oil pump (6) through the oil return pipe (9), the heights of the jacks (16) of the jacks (7) are continuously reduced, the force application is continuously carried out, so that the bottom surface of the guardrail structure is attached to a road surface (35) until the jacks (16) are completely returned to the jacks (7), and the loading and unloading vehicle is recovered to the initial height position;
the width of a loading platform of the loading and unloading vehicle is insufficient, when the loading platform (1) and the mobile platform (2) cannot be inserted into a guardrail mounting hole (33), a worker rotates a hand screw (18) in the forward direction, the reserved round hole of the variable-angle support rod (17) contracts inwards along the direction of the hand screw (18), the width of the variable-angle support rod (17) gradually narrows inwards along the direction of the hand screw (18) by taking a rotating shaft or a rivet as an original point, the short-edge planes of the top L-shaped plate (21) and the bottom L-shaped plate (22) are gradually expanded outwards along the directions of supporting points (26) at two ends of the variable-angle support rod (17), the slidable connecting bolts (20) at two sides simultaneously move inwards along the long bolt holes (24) of the top L-shaped plate (21), and the distance between the two separated parallel loading platforms (1) is gradually increased, after the width is adjusted according to the pre-measured distance between the mounting holes (33), the loading platform (1) and the moving platform (2) can be inserted into the guardrail mounting holes (33) finally; when the width of the loading platform of the loading and unloading vehicle is adjusted back to the initial width, a worker rotates the hand-operated screw (18) reversely, the reserved round hole of the variable-angle support rod (17) expands outwards along the direction of the hand-operated screw (18), the width of the variable-angle support rod (17) gradually expands outwards along the direction of the hand-operated screw (18) by taking a rotating shaft or a rivet as an original point, the short-side planes of the top L-shaped plate (21) and the bottom L-shaped plate (22) are pulled inwards gradually by the pivots (26) at the two ends of the variable-angle support rod (17), the slidable connecting bolts (20) at the two sides move outwards along the long bolt holes (24) of the top L-shaped plate (21) simultaneously, so that the distance between the two separated parallel loading platforms (1) is gradually reduced until the variable-angle support rod (17) returns to the end point of the positioning nut (19), at this point the truck returns to the original width position.
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| CN202010787051.9A CN114056408B (en) | 2020-08-07 | 2020-08-07 | Concrete movable guardrail loading and unloading vehicle and guardrail structure |
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| CN202010787051.9A CN114056408B (en) | 2020-08-07 | 2020-08-07 | Concrete movable guardrail loading and unloading vehicle and guardrail structure |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110414A (en) * | 1996-10-07 | 1998-04-28 | Unie Kurieiteibu Eng:Kk | Flexible complex protective fence |
| US20050135878A1 (en) * | 2003-12-19 | 2005-06-23 | C&M Mcnally Engnering Corp. | Temporary barrier |
| CN103103950A (en) * | 2013-02-02 | 2013-05-15 | 北京中路安交通科技有限公司 | Expressway medial strip concrete barrier transformation device |
| CN209833669U (en) * | 2019-03-27 | 2019-12-24 | 西安西拓交通设施公司 | Guardrail base mobile device |
| CN210395188U (en) * | 2019-06-04 | 2020-04-24 | 河北工业大学 | Concrete movable guardrail monomer and movable guardrail |
-
2020
- 2020-08-07 CN CN202010787051.9A patent/CN114056408B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110414A (en) * | 1996-10-07 | 1998-04-28 | Unie Kurieiteibu Eng:Kk | Flexible complex protective fence |
| US20050135878A1 (en) * | 2003-12-19 | 2005-06-23 | C&M Mcnally Engnering Corp. | Temporary barrier |
| CN103103950A (en) * | 2013-02-02 | 2013-05-15 | 北京中路安交通科技有限公司 | Expressway medial strip concrete barrier transformation device |
| CN209833669U (en) * | 2019-03-27 | 2019-12-24 | 西安西拓交通设施公司 | Guardrail base mobile device |
| CN210395188U (en) * | 2019-06-04 | 2020-04-24 | 河北工业大学 | Concrete movable guardrail monomer and movable guardrail |
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|---|---|
| CN114056408B (en) | 2022-09-02 |
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