Connecting device of fast-assembling light road slab
Affiliated technical field
The utility model belongs to the used pavement equipment in traffic support field, and particularly matter is regional for satisfying the supporting connecting device of fast-assembling light road slab of road slab that vehicle passes through unfriendly at mire, sandy beach etc.
Background technology
Especially along with modern national defense equipment to the raising of military traffic Combat Readiness Requirements and when tackling unpredictable natural calamity the requirement to emergency guarantee show that day by day countries in the world are all at the positive novel organic roadway equipment of development.Utility model patent 200520012913.1 discloses a kind of quick place mat engineering road slab that moves, its technical scheme is for there being the foursquare plastics making sheet piece of fillet around adopting, different plates are connect fixing by bolt, be shaped on cloudy connecting hole and fastener hole in two wherein adjacent fillets, be shaped on positive joint tongue in two adjacent in addition fillets, positive joint tongue matches with the cloudy connecting hole of other plates.The subject matter of this road slab scheme is that plate adopts positive joint tongue to cooperate insertion to add the method for bolt with cloudy connecting hole with the connection of plate, cloudy in actual applications connecting hole and bolt are screwed the match position and are easy to by sand and other Material cards dead, can not realize quickly dismantled, especially the damage of embedded nut button will cause the catastrophe failure of road slab.The connecting structure of this scheme is to connect the transmission load by only several metal embedded parts between plate and the plate in addition, promptly can not avoid bleeding (sand) to influence trafficability characteristic, can cause this built-in fitting to be subject to very much excessive bending load distortion again and cause the road slab fault.
Utility model patent 200420024253.4 discloses a kind of artificial pavement equipment with chain platy structure, its technical scheme is that polylith road slab and many chemical ﹠ blended fabric bands are formed by connecting, adjacent two block road plates are continuous by chemical ﹠ blended fabric band separately respectively, road slab is the flexible nonmetal material body, is suppressed with the high strength non-metal board in it.Though this patented technology adopts inside to be pressed with high-intensity carbon fibre reinforced thermoplastics non-metal board, the light weight of individual plates, intensity, rigidity height, but it connects employing chemical ﹠ blended fabric band one side and is embedded in the road slab, the method that opposite side adopts rivet to connect mutually, exist chemical ﹠ blended fabric not wear-resistant, connect and be soft band+rivet connection, not only can't transmit moment of flexure, the transmission of axle power is also limited, very easy formation rut, the repeatedly handling capacity of vehicle is poor, and the mutual match of rivet causes and is difficult to repeatedly dismounting use.
US Patent specification US6,685,388B2 discloses a kind of multipurpose plate, after adopting multifrnction connector should L shaped multipurpose plate to couple together, can satisfy in unstable landform and pass through vehicle.Typical technical scheme is made quadrangular plate for adopting the laminated glass steel, the slotted hole of the mechanism of on per two adjacent edges, having, be processed into recessed L shaped bead at adjacent opposite side, multifrnction connector is that corrosion resistant metal is made, be made of last lower plate and connecting bolt, it is locking that screw thread adopts liquid locking agent when connection is installed.Kit is centering instrument and guiding spacer block.This technical scheme is owing to adopt the laminated glass steel, have corrosion-resistant, lightweight characteristics, L shaped plate can realize being rigidly connected and effectively prevent general mud (sand) simultaneously, the lower protrusion but the road slab upper surface after it connects is concordant, cause the most of unsettled and connector lower protrusion of road slab, for the relatively poor and bearing capacity soil with high area of trafficability characteristic (as dehydration clay district, hard surfacing sidewalk zone etc.) cause road slab to damage easily, simultaneously its connector adopts to be threaded and is easy to can not be realized quickly dismantled by husky and other Material cards are dead.Because its design structure, the design thickness of sheet material is thinner in addition, is generally about 9mm and can not lays bilayer, improves bearing capacity, can not satisfy logical the carrying of vehicle of soft clay area and use.
The utility model content
The purpose of this utility model is to provide a kind of connecting device of fast-assembling light road slab of being convenient to quickly dismantled and can being repeatedly used.
Overall technology solution of the present utility model is:
Connecting device of fast-assembling light road slab, comprise the installing hole 311 that is opened in light road slab 308 surfaces, on the adjacent road slab 308 between the pairing installing hole 311 cross-under be connected with connecting elements, installing hole 311 inwalls are fixed with service sleeve 312, connecting elements comprises with installing hole 311 inwalls and being slidingly matched, and the top bulging and with the housing 300 of service sleeve 312 endoporus upper ends clamping, be arranged at the rotating shaft 301 that housing 300 inner chambers and periphery are rotatably assorted with it, and the clamp 304 that is fixed in rotating shaft 301 bottoms, be provided with axial positioning structure between rotating shaft 301 external surfaces and housing 300 inwalls, rotating shaft 301 tops are connected with spanner 306.
Concrete technical construction of the present utility model also has:
For realizing the axial location of rotating shaft 301 in housing 300, guarantee the functional reliability of linkage.Described axial location mechanism is including, but not limited to adopting routine techniques means or its combinations such as boss, draw-in groove, bearing pin, do not break away from essence of the present utility model, wherein optimal technical scheme is: comprise the annular boss that radially is provided with along rotating shaft 301 inwalls, the bulging reducing portion that rotating shaft 301 outer walls are disposed radially, this reducing portion are located at annular boss one side and clamp with it.
For reaching the smooth purpose that spanner 306 is easy to use when working, do not influence apparatus surface under off working state, the embedded structure of spanner 306 preferred employings.Wherein optimized technical scheme is: adaptive concavo-convex the cooperation adopted with spanner 306 bottoms in rotating shaft 301 tops, and the bottom of spanner 306 and rotating shaft 301 tops are rotatably assorted by upper pin 305.
For ease of the assembling of clamp 304 and rotating shaft 301 and realize interlock between the two, can adopt the connected mode of multiple easy disassembly between clamp 304 and the rotating shaft 301, as screw thread, bolt, alignment pin, bearing pin assembling etc., do not break away from essence of the present utility model, wherein preferred embodiment be: clamp 304 is fixed by lower bearing pin 307 and rotating shaft 301 bottom cross-under.
For guaranteeing to be connected reliably between service sleeve 312 and the installing hole 311, make the two be difficult for getting loose axially pressing down to produce under the external force effect, service sleeve 312 outer walls and installing hole 311 inwalls are adaptive cone structure.This cone structure can be selected pyramid or coniform structure for use.
Spanner 306 is unlikely under the effect of non-external force holds up rotation in order to make, thereby connecting elements and being connected of road slab are got loose, and rotating shaft 301 tops are hollow structure, is provided with elasticity vertically between its inside and spanner 306 roots and bumps the pearl structure.
The embedded structure of more preferred spanner 306 has: rotating shaft 301 tops offer first groove 313, and spanner 306 bottoms are adaptive concavo-convex the cooperation with this groove 313.
The endoporus of service sleeve 312 can pass through under off working state smoothly to satisfy housing 300, rotate to the permanent position with rotating shaft 301 under the duty after, clamp 304 can be realized being as the criterion with the clamping location of service sleeve 312 bottoms.Therefore, described service sleeve 312 endoporus are the post hole, and its radial section is a kind of or its combination in triangle, rectangle, circle, ellipse or other polygon.
For further guaranteeing the surface that is embedded in road slab 308 of spanner 306, described housing 300 tops radially offer second groove 314 adaptive with spanner 306 profiles.
The more preferred embedded design of spanner 306 also has: described installing hole 311 be a counterbore, can it is evident that, the degree of depth on these installing hole 311 tops and aperture should be can satisfy spanner 306 back embedded being as the criterion of realization smoothly in the hole of falling.
Substantive distinguishing features that the utility model is obtained and significant technological progress are:
The results showed:
1, under the action of static load, load is loaded into 80kN, and sample does not destroy, and the sample permanent set is in 0.4 millimeter after unloading, and unloading back linkage can for convenience detach and installation.
2, when repeated load test reached 30,000 times, sample did not destroy, and linkage can for convenience detach and installation.After repeated load test is finished, continue to be loaded into 100kN, sample does not destroy, and linkage can for convenience detach and installation.
3, in free-hand operation trials, the operating personnel that 6 people one group can lay in 1 hour and finish the long single width face 3600 broad way faces of 50m, showed free-hand operating feature.
4, in reliability testing, in the operational reliability test, laying in the dismounting operation relevant fault for once for 226 times, operational reliability is higher than 0.98.
5, at mire, sandy beach etc. unfriendly matter area lay difficulty that place and road run into tissue and technical elements than people's imagination seriously.For military traffic support, can organize laying fast, often determined army can satisfy the motor-driven requirement of modernized war mechanization.Adopt the road slab linkage of technical solutions of the utility model can adapt to various complex geological conditions and can free-hand operation, remedied the shortcoming that present military standard equipment can't operation in the area of some mechanization obstacle (as not possessing the mechanized environment), realized artificial and machinery ensures the traffic support strategy of laying equal stress on.In addition, solve carrying of hag face and the logical problem of carrying, do not exist only in wartime, in natural calamity, engineering construction at ordinary times, also exist in a large number.Also can run into the hag face in road (bridge) engineering, oil exploitation, city and fields such as power construction, coastal engineering.Adopt the technical solution of the utility model, can well the dual-use of pavement equipment be combined, make the road surface equipment can continuous updating, function is constantly perfect, also makes social recoverable amount, storage capacity among the people very high, lay a solid foundation for wartime is military.
Description of drawings
Accompanying drawing of the present utility model has:
Fig. 1 is the structural representation of linkage.
Fig. 2 is the B portion partial enlarged drawing of Fig. 1.
Fig. 3 is the connecting elements structural representation.
Fig. 4 is that the A-A of Fig. 1 is to view.
Fig. 5 is the connecting elements structural representation of spanner when opening.
Fig. 6 is the stereogram of connecting elements.
Fig. 7 is the pivot structure schematic diagram of connecting elements.
Fig. 8 is the shell structure schematic diagram in the connecting elements.
The specific embodiment
Accompanying drawing has provided embodiment of the present utility model, below in conjunction with accompanying drawing embodiment of the present utility model is further described, but not as to qualification of the present utility model.
The unitary construction of present embodiment as shown, comprising the installing hole 311 that is opened in light road slab 308 surfaces, on the adjacent road slab 308 between the pairing installing hole 311 cross-under be connected with connecting elements, installing hole 311 inwalls are adhesively fixed with service sleeve 312, connecting elements comprises with installing hole 311 inwalls and being slidingly matched, and the top bulging and with the housing 300 of service sleeve 312 endoporus upper ends clamping, be arranged at the rotating shaft 301 that housing 300 inner chambers and periphery are rotatably assorted with it, and the clamp 304 that is fixed in rotating shaft 301 bottoms, be provided with axial positioning structure between rotating shaft 301 external surfaces and housing 300 inwalls, rotating shaft 301 tops are connected with spanner 306.
Axial location mechanism comprises the annular boss that radially is provided with along rotating shaft 301 inwalls, and the bulging reducing portion that rotating shaft 301 outer walls are disposed radially, this reducing portion are located at annular boss one side and clamp with it.
Adaptive concavo-convex the cooperation adopted with spanner 306 bottoms in rotating shaft 301 tops, and the bottom of spanner 306 and rotating shaft 301 tops are rotatably assorted by upper pin 305.
Clamp 304 is a rectangle, and clamp 304 is fixed by lower bearing pin 307 and rotating shaft 301 bottom cross-under.
Service sleeve 312 outer walls and installing hole 311 inwalls are adaptive cone-shaped structure.
Rotating shaft 301 tops are hollow structure, are provided with elasticity vertically between its inside and spanner 306 roots and bump the pearl structure.This elasticity is bumped the pearl structure and is comprised the steel ball of being controlled by spring 303 302.
Rotating shaft 301 tops offer first groove 313, and spanner 306 bottoms are circular arc and are adaptive concavo-convex the cooperation with this groove 313.
Service sleeve 312 endoporus are the post hole, and its radial section is a rectangle.
Housing 300 tops radially offer second groove 314 adaptive with spanner 306 profiles.
Described installing hole 311 is a counterbore, and embedded being as the criterion should be realized smoothly can satisfy spanner 306 back of falling in the degree of depth on these installing hole 311 tops and aperture in the hole.