CN114908626A

CN114908626A - Vertical connecting device between assembled runway concrete pavement slab layers of newly-built airport

Info

Publication number: CN114908626A
Application number: CN202210485216.6A
Authority: CN
Inventors: 李思李; 田波; 谢晋德; 权磊; 李立辉; 张盼盼; 何哲
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-16

Abstract

The invention discloses a vertical connecting device between concrete pavement slabs of an assembled runway of a newly-built airport, which comprises a pavement slab and a base, wherein the pavement slab is detachably connected above the base and is arranged in parallel with the base; the inside first pre-buried subassembly of a plurality of groups that can dismantle of pavement board is connected with, and the basement can be dismantled and be connected with the pre-buried subassembly of a plurality of groups second, and the first pre-buried subassembly of every group is arranged and the two looks adaptation with the pre-buried subassembly of every group second is corresponding each other. According to the invention, a plurality of groups of first embedded components are arranged on the pavement slab at equal intervals, the first embedded components are installed in the pavement slab, and the second embedded components are arranged on the substrate, so that the second embedded components are firmly clamped with the second embedded components, and the pavement slab and the substrate can be conveniently and quickly assembled when being installed; and through first pre-buried subassembly and the pre-buried subassembly of second firmly the joint, not only can reduce the time of installation, both can stack firmly together, improve the joint strength between pavement slab and the basement.

Description

Vertical connecting device between assembled runway concrete pavement slab layers of newly-built airport

Technical Field

The invention relates to the technical field of airport runways, in particular to a vertical connecting device between concrete pavement slab layers of an assembled runway of a newly-built airport.

Background

The airport runway refers to an area for taking off or landing of an aircraft in an airport, a pavement surface in contact with tires of landing gears of the aircraft is the core of an airport infrastructure, and a pavement slab layer generally adopts asphalt concrete or cement concrete. As for the cement concrete pavement, the prior airport pavement in China at present adopts the cast-in-place cement concrete pavement, and has the advantages of high rigidity, high strength, good integrity and strong erosion resistance. The defects of slow construction progress and long maintenance age are that the requirements of non-navigation-stop construction and emergency repair engineering projects cannot be met; meanwhile, construction restriction factors are more, and weather conditions such as strong wind, high temperature, rain, snow, freezing and the like all affect the quality of the pavement slab. The prefabricated pavement slab and the base are installed in an assembly mode, and when the base and the pavement slab are installed vertically, the connection between the base and the pavement slab is unstable and infirm; therefore, a vertical connecting device between the concrete pavement slabs of the fabricated runway of the newly-built airport is needed.

Disclosure of Invention

The invention aims to provide a vertical connecting device between concrete pavement slab layers of an assembly runway of a newly-built airport, which is used for solving the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a vertical connecting device between concrete pavement slabs of an assembled runway of a newly-built airport, which comprises a pavement slab and a base, wherein the pavement slab is detachably connected above the base and is arranged in parallel with the base; the road surface plate is internally detachably connected with a plurality of groups of first embedded components, the substrate is detachably connected with a plurality of groups of second embedded components, and each group of the first embedded components and each group of the second embedded components are mutually correspondingly arranged and are matched with each other.

Preferably, a plurality of groups of first grooves are formed in the pavement slab, each group of first grooves is in a long strip shape, each group of first grooves is matched with the first embedded components, and the first embedded components are located inside the first grooves.

Preferably, the first embedded assembly comprises a base, a first threaded hole is formed in the back of the base, and a first bolt is connected to the inner portion of the first threaded hole in a threaded manner; first clamping hooks are fixedly arranged on two sides of the base and are clamped with the second embedded component; the fixed plate that is provided with is fixed in the inboard middle part of base, the fixed plate is kept away from fixed fixture block that is provided with on the base terminal surface, the fixture block is inside to be provided with flexible arch, flexible arch with the pre-buried subassembly joint of second.

Preferably, a first accommodating groove is formed between the side wall of the fixing plate and the inner side wall of the base, and the first bolt is located inside the first accommodating groove.

Preferably, the substrate is provided with a plurality of groups of second grooves, each group of second grooves is in a long strip shape, each group of second grooves is matched with the second embedded components, and the second embedded components are located inside the second grooves.

Preferably, the second embedded assembly comprises a bottom plate, a clamping block is fixedly arranged on the upper portion of the bottom plate, second clamping hooks are detachably connected to two sides of the clamping block, and the second clamping hooks are matched with the first clamping hooks; the clamping block is characterized in that a clamping groove is formed in the middle of the clamping block and corresponds to the fixing plate, a cavity is formed in the clamping groove, and the clamping groove is matched with the clamping block.

Preferably, the bottom plate is fixedly connected with the clamping block through a second bolt; the joint piece top is located the second holding tank has been seted up to draw-in groove both sides outer wall, the second holding tank with first holding tank corresponds each other.

Preferably, a hook assembly is detachably connected between the first accommodating groove and the second accommodating groove; the clamping hook component comprises a clamping hook part and a clamping ring part, the clamping hook part is detachably connected with the inside of the first accommodating groove, and the clamping ring part is detachably connected with the inside of the second accommodating groove

Preferably, the hook part comprises a first fixing ring, the inside of the first fixing ring is matched with the first bolt, the upper part of the first fixing ring is fixedly connected with a first bracket, and one side of the first bracket, which is far away from the fixing ring, is fixedly provided with a hook; the clamping ring part comprises a second fixing ring, the second fixing ring is internally matched with the second bolt, a second support is fixedly connected to the upper portion of the second fixing ring, and a clamping ring is fixedly arranged on one side of the fixing ring.

Preferably, a rubber pad is fixedly arranged at a position corresponding to the first clamping hook of the second clamping hook.

The invention discloses the following technical effects: according to the invention, a plurality of groups of first embedded components are arranged on the pavement slab at equal intervals, the first embedded components are arranged in the pavement slab, and the second embedded components are arranged on the substrate, so that the second embedded components are firmly clamped with the second embedded components, and the pavement slab and the substrate can be conveniently and quickly assembled during installation; and through first pre-buried subassembly and the pre-buried subassembly of second firmly the joint, not only can reduce the time of installation, both can stack firmly together, improve the joint strength between pavement slab and the basement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used 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 inventive exercise.

FIG. 1 is a schematic view of a structure of a middle road panel and a base in a separated position according to an embodiment;

FIG. 2 is a schematic view of a combined structure of a middle road panel and a base according to an embodiment;

FIG. 3 is a schematic view of a first groove structure on a center road panel according to an embodiment;

fig. 4 is a schematic structural diagram of positions of a first embedded assembly and a second embedded assembly in the first embodiment;

fig. 5 is a schematic structural diagram of a first embedded component and a second embedded component after being combined in the first embodiment;

FIG. 6 is a schematic view of a hook assembly according to a second embodiment;

FIG. 7 is a diagram illustrating a second embodiment of a bayonet ring configuration;

FIG. 8 is a schematic view of a hook structure according to a second embodiment;

FIG. 9 is a schematic view of a fourth hook structure according to the third embodiment;

fig. 10 is a schematic view of a third hook structure in the fourth embodiment.

Wherein: 1. a pavement slab; 2. a substrate; 3. a base plate; 4. a base; 5. a first groove; 6. a second groove; 7. a fixing plate; 8. a first bolt; 9. a first hook; 10. a clamping block; 11. a telescopic bulge; 12. a first accommodating groove; 13. a clamping block; 14. a second bolt; 15. a card slot; 16. a second accommodating groove; 17. a second hook; 171. a third hook; 172. a spring; 173. a chute; 18. a fourth hook; 19. a first bracket; 20. a second bracket; 21. a snap ring; 22. a first retaining ring; 23. a second fixing ring; 24. a hook; 25. and (7) a rubber pad.

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, 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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The first embodiment is as follows:

referring to fig. 1-5, the embodiment provides a vertical connecting device between concrete pavement slabs of an assembled runway of a newly-built airport, which comprises a pavement slab 1 and a base 2, wherein the pavement slab 1 is detachably connected above the base 2, and the pavement slab 1 and the base 2 are arranged in parallel; the first pre-buried subassembly of a plurality of groups can be dismantled to inside being connected with of pavement board 1, and the base 2 can be dismantled and be connected with the pre-buried subassembly of a plurality of groups second, and the first pre-buried subassembly of every group is arranged and the two looks adaptation with the pre-buried subassembly of every group second is corresponding each other. According to the invention, a plurality of groups of first embedded components are arranged on the pavement slab 1 at equal intervals, the first embedded components are arranged in the pavement slab 1, and the second embedded components are arranged on the substrate 2, so that the second embedded components are firmly clamped with the second embedded components, and the pavement slab 1 and the substrate 2 can be conveniently and quickly assembled during installation; and through first pre-buried subassembly and the pre-buried subassembly of second firmly the joint, not only can reduce the time of installation, both can stack firmly together, improve the joint strength between pavement board 1 and basement 2.

A plurality of groups of first grooves 5 are formed in the pavement slab 1, each group of first grooves 5 is in a long strip shape, each group of first grooves 5 is matched with a first embedded component, and the first embedded components are located inside the first grooves 5. The first embedded assembly comprises a base 4, a first threaded hole is formed in the back of the base 4, and a first bolt 8 is connected to the inner portion of the first threaded hole in a threaded mode; a first clamping hook 9 is fixedly arranged on each of two sides of the base 4, and the first clamping hook 9 is clamped with the second embedded component; the fixed plate 7 that is provided with in the middle part of 4 inboard of base, fixed plate 7 keeps away from on the 4 terminal surfaces of base and fixedly is provided with fixture block 10, and fixture block 10 is inside to be provided with flexible arch 11, flexible arch 11 and the pre-buried subassembly joint of second. A first accommodating groove 12 is formed between the side wall of the fixing plate 7 and the inner side wall of the base 4, and the first bolt 8 is positioned inside the first accommodating groove 12. The first grooves 5 are reserved when the pavement slab 1 is manufactured, two groups of symmetrical holes matched with the first bolts 8 are reserved in each group of first grooves 5, the depth of each first groove 5 is the same as the overall height of the first embedded component, and the pavement slab is convenient to butt with the substrate 2. Secondly, first pre-buried subassembly in this embodiment all adopts plastics material (engineering plastics) with the pre-buried subassembly of second, and when the installation of being convenient for, under the effect of external force, first pre-buried subassembly and the pre-buried subassembly joint of second. The telescopic protrusions 11 are provided with two groups, the two groups of telescopic protrusions 11 are symmetrical about the center line of the clamping block 10, the second spring 172 is fixedly connected to one end of each group of telescopic protrusions 11, the clamping block 10 enters the clamping groove 15, the telescopic protrusions 11 can be extended out under the action of the second spring 172 in time, and the clamping block 10 and the clamping groove 15 are convenient to clamp.

A plurality of groups of second grooves 6 are formed in the substrate 2, each group of second grooves 6 is in a long strip shape, each group of second grooves 6 is matched with the second embedded component, and the second embedded component is located inside the second grooves 6. The second embedded assembly comprises a bottom plate 3, a clamping block 13 is fixedly arranged on the upper portion of the bottom plate 3, second clamping hooks 17 are detachably connected to two sides of the clamping block 13, and the second clamping hooks 17 are matched with the first clamping hooks 9; the middle part of the clamping block 13 is provided with a clamping groove 15 corresponding to the position of the fixing plate 7, a cavity is arranged in the clamping groove 15, and the clamping groove 15 is matched with the clamping block 10. The bottom plate 3 is fixedly connected with the clamping block 13 through a second bolt 14; the second holding tank 16 has been seted up to the joint piece 13 top and is located draw-in groove 15 both sides outer wall, and second holding tank 16 corresponds each other with first holding tank 12. A rubber pad 25 is fixedly arranged at the position of the second hook 17 corresponding to the first hook 9. The second embedded component is connected with the substrate 2, and when the second embedded component is installed, the substrate 2 is provided with grooves and holes at equal intervals; the bottom plate of the second embedded assembly is conveniently installed in the second groove 6, the height of the second groove 6 is consistent with that of the bottom plate of the second embedded assembly, and the upper surface of the base 2 and the lower surface of the pavement slab 1 can be tightly attached to each other during installation; secondly, the clamping groove 15 is positioned in the middle of the clamping block 13, the cross sectional area of the opening of the clamping groove 15 is smaller than that of the inside of the clamping groove, and the lifting protrusion of the clamping block 10 can be completely unfolded in the clamping groove 15; the adaptability among all parts is improved. The first hook 9 is matched with the second hook 17, and the rubber pad 25 is positioned on the upper part of the second hook 17 and is fixedly connected with the upper part of the second hook 17.

The working process is as follows: during actual installation, the first embedded components are fixedly and internally connected with the first grooves 5 through the first bolts 8, and then the distance between every two adjacent groups of the first grooves 5 is recorded, so that the substrate 2 can be conveniently grooved in the later period; during the construction, at first set up the second recess 6 with first recess 5 looks adaptation on basement 2 at equidistant, then pass through second bolt 14 with the pre-buried subassembly of second fixed with second recess 6, the whole back that finishes of pre-buried subassembly of second, place basement 2 on with single prefabricated pavement slab 1, need first recess 5 and second recess 6 to align this moment, then extrude pavement slab 1 downwards, first trip 9 can extrude each other with second trip 17, under the effect of pressure, first trip 9 and second trip 17 joint, meanwhile, inside fixture block 10 can enter into draw-in groove 15, at this moment, pavement slab 1 and basement 2 fixed mounting accomplish.

The second embodiment:

referring to fig. 6 to 8, the difference between the present embodiment and the first embodiment is only that the hook assembly is additionally installed in the first receiving groove 12 and the second receiving groove 16.

A hook component is detachably connected between the first accommodating groove 12 and the second accommodating groove 16; the clamping hook component comprises a clamping hook part and a clamping ring part, the clamping hook part is detachably connected with the inside of the first accommodating groove 12, and the clamping ring part is detachably connected with the inside of the second accommodating groove 16. The hook part comprises a first fixing ring 22, the interior of the first fixing ring 22 is matched with the first bolt 8, the upper part of the first fixing ring 22 is fixedly connected with a first bracket 19, and one side, far away from the fixing ring, of the first bracket 19 is fixedly provided with a hook 24; the snap ring portion includes the solid fixed ring 23 of second, the solid fixed ring 23 of second inside and 14 looks adaptations of second bolt, the solid fixed ring 23 upper portion fixedly connected with second support 20 of second, second support 20 keeps away from solid fixed ring one side and fixes being provided with snap ring 21. Snap ring 21, pothook 24 adopt metal or engineering plastics to make, wherein the position that pothook 24 afterbody is connected with first support 19 is a small segment of spring leaf, and the effect of spring leaf is that pothook 24 gets into snap ring 21 conveniently to pothook 24 can automatic playback when getting into snap ring 21, improves the intensity of connecting.

The working process comprises the following steps: the connection mode of the pavement slab 1 and the substrate 2 in the embodiment is the same as that in the first embodiment, and the connection mode of the first embedded assembly and the second embedded assembly is also the same as that in the first embodiment; when the first embedded component and the second embedded component are connected in a downward pressing mode, the clamping ring 21 and the clamping hook 24 are close to each other synchronously, when the clamping hook 24 is in contact with the edge of the clamping ring 21, the spring piece bends, and when the clamping hook 24 completely enters the clamping ring 21, the spring piece drives the clamping hook 24 to reset, so that the clamping hook 24 is connected with the clamping ring 21; and a gap is reserved between the hook 24 and the clamp ring 21, so that the influence of expansion with heat and contraction with cold is reduced.

Example three:

referring to fig. 9, the present embodiment differs from the first embodiment only in that: in this embodiment, the first embedded component and the second embedded component are made of metal materials, the fourth hook 18 replaces the first hook 9, the fourth hook 18 is made of a metal sheet structure, the fourth hook 18 with such a structure can deflect to a larger extent when being extruded with the second hook 17, and the metal sheet can be reset when entering below the second hook 17. Meanwhile, the corners of the metal sheets are in arc shapes, so that stress concentration at the corners is further reduced.

Example four:

referring to fig. 10, the present embodiment is different from the first embodiment only in that: in the embodiment, only one set of second hooks 17 is provided, and a third hook 171 is provided at a position corresponding to the second hook 17, wherein a sliding groove 173 for the third hook 171 to fit is provided on the locking block 13, a spring 172 is provided at a side of the sliding groove 173 far from the third hook 171, and the spring 172 is fixedly connected with the bottom of the third hook 171; moreover, the second bolts 14 in this embodiment are provided with three sets, one set of the second bolts is located at the bottom of the inner side of the clamping groove 15, and the other two sets of the second bolts are located at two end portions of the clamping block and located below the upper surface of the clamping block 13.

The working process is as follows: the connection mode of the pavement slab 1 and the substrate 2 in the embodiment is the same as that in the first embodiment, and the connection mode of the first embedded assembly and the second embedded assembly is also the same as that in the first embodiment; however, the embodiment is suitable for the case that the first embedded component and the second embedded component are made of metal materials or engineering plastics; wherein, when first pre-buried subassembly pushes down the contact with the pre-buried subassembly of second, third trip 171 can follow spout 173 backshifts, and when first trip 9 was connected with second trip 17 and second trip 17, third trip 171 kick-backs and resets, improves the convenience of joint strength and connection.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a vertical connecting device between newly-built airport assembled runway concrete pavement slab layer which characterized in that: the pavement slab comprises a pavement slab (1) and a substrate (2), wherein the pavement slab (1) is detachably connected above the substrate (2), and the pavement slab (1) and the substrate (2) are arranged in parallel; the pavement slab (1) is internally detachably connected with a plurality of groups of first embedded components, the substrate (2) is detachably connected with a plurality of groups of second embedded components, and each group of the first embedded components and each group of the second embedded components are mutually correspondingly arranged and are matched with each other.

2. The device for vertically connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 1, characterized in that: a plurality of groups of first grooves (5) are formed in the pavement slab (1), each group of first grooves (5) is in a long strip shape, each group of first grooves (5) is matched with the first embedded components, and the first embedded components are located inside the first grooves (5).

3. The device for connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 2, characterized in that: the first embedded assembly comprises a base (4), a first threaded hole is formed in the back of the base (4), and a first bolt (8) is connected to the inner portion of the first threaded hole in a threaded mode; two sides of the base (4) are fixedly provided with first clamping hooks (9), and the first clamping hooks (9) are clamped with the second embedded components; the fixed plate (7) that is provided with in base (4) inboard middle part, fixed plate (7) are kept away from fixed fixture block (10) that is provided with on base (4) a terminal surface, fixture block (10) inside is provided with flexible arch (11), flexible arch (11) with the pre-buried subassembly joint of second.

4. The device for connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 3, characterized in that: a first accommodating groove (12) is formed between the side wall of the fixing plate (7) and the inner side wall of the base (4), and the first bolt (8) is located inside the first accommodating groove (12).

5. The device for connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 4, which is characterized in that: a plurality of groups of second grooves (6) are formed in the substrate (2), each group of second grooves (6) is in a long strip shape, and the second embedded components are located inside the second grooves (6).

6. The device for connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 5, which is characterized in that: the second embedded assembly comprises a bottom plate (3), a clamping block (13) is fixedly arranged on the upper portion of the bottom plate (3), second clamping hooks (17) are detachably connected to two sides of the clamping block (13), and the second clamping hooks (17) are matched with the first clamping hooks (9); a clamping groove (15) is formed in the middle of the clamping block (13) and corresponds to the fixing plate (7), a cavity is formed in the clamping groove (15), and the clamping groove (15) is matched with the clamping block (10); the bottom plate (3) is matched with the second groove (6).

7. The device for vertically connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 6, characterized in that: the bottom plate (3) is fixedly connected with the clamping block (13) through a second bolt (14); the clamping block (13) is located above the outer walls of the two sides of the clamping groove (15), second accommodating grooves (16) are formed in the upper portion of the clamping block, and the second accommodating grooves (16) correspond to the first accommodating grooves (12) mutually.

8. The device for vertically connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 7, characterized in that: a clamping hook component is detachably connected between the first accommodating groove (12) and the second accommodating groove (16); the clamping hook component comprises a clamping hook part and a clamping ring part, the clamping hook part is detachably connected with the inside of the first accommodating groove (12), and the clamping ring part is detachably connected with the inside of the second accommodating groove (16).

9. The device of claim 8, wherein the vertical connecting device is arranged between the concrete pavement slabs of the fabricated runway of the new airport: the hook part comprises a first fixing ring (22), the interior of the first fixing ring (22) is matched with the first bolt (8), a first support (19) is fixedly connected to the upper part of the first fixing ring (22), and a hook (24) is fixedly arranged on one side, far away from the fixing ring, of the first support (19); the clamping ring part comprises a second fixing ring (23), the second fixing ring (23) is internally matched with the second bolt (14), a second support (20) is fixedly connected to the upper part of the second fixing ring (23), and the second support (20) is far away from one side of the fixing ring, wherein a clamping ring (21) is fixedly arranged.

10. The device for connecting concrete pavement slabs of a newly-built airport assembly runway according to claim 6, which is characterized in that: and a rubber pad (25) is fixedly arranged at the position of the second clamping hook (17) corresponding to the first clamping hook (9).