Sleeve telescopic force transmission device for assembled pavement structure and construction method

Abstract

The present invention discloses a sleeve telescopic force transmission device and a construction method for an assembled pavement structure. The sleeve telescopic force transmission device comprises an arc-shaped tubular first force transmission sleeve and a second force transmission sleeve. The first force transmission sleeve and the second force transmission sleeve are respectively embedded in each of two adjacent assembled pavement panels. A threaded structure is provided in the upper port of the first force transmission sleeve and the upper port of the second force transmission sleeve. A force transmission positioning rod is transversely arranged in the first force transmission sleeve. The force transmission positioning rod can extend into the second force transmission sleeve and position and connect the first force transmission sleeve and the second force transmission sleeve. The assembled airport pavement comprises a plurality of assembled pavement structures and the sleeve telescopic force transmission device. The airport pavement construction method adopts the assembled airport pavement. The force transmission device can better transmit the stress between the assembled pavement panels to avoid stress concentration. The overall structure is simple and the construction and installation are convenient.

Description

Technical Field

[0001] The invention relates to the field of airport runway construction, and in particular to a sleeve telescopic force transmission device for an assembled pavement structure and a construction method. Background Art

[0002] Airport pavement refers to a layer or multiple layers of artificial structures paved with road-building materials on the top of the natural soil base and base. It is a flat road for aircraft takeoff, landing, taxiing, maintenance and parking, such as runways, taxiways, passenger aprons, maintenance aprons, cargo aprons, and aprons. The construction requirements of existing airport pavements are different from those of highway pavements. The construction process of airport pavements includes earthwork (stone) engineering, base and cushion engineering, pavement cement concrete engineering, drainage engineering, quality inspection and final acceptance. Although pavement cement concrete engineering can normally complete the construction of airport pavements, the construction speed is slow and the construction quality is difficult to guarantee. Summary of the invention

[0003] The object of the present invention is to provide a sleeve telescopic force transmission device for an assembled road surface structure, which can better transmit the stress between assembled road panels and avoid stress concentration. The overall structure is simple and the construction and installation are convenient.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is:

[0005] A sleeve telescopic force transmission device for an assembled pavement structure, the assembled pavement structure includes a plurality of assembled pavement panels arranged in parallel, the sleeve telescopic force transmission device includes an arc-shaped tubular first force transmission sleeve and a second force transmission sleeve, the first force transmission sleeve and the second force transmission sleeve are respectively embedded in each two adjacent assembled pavement panels, a threaded structure is provided in the upper port of the first force transmission sleeve and the upper port of the second force transmission sleeve, a force transmission positioning rod is transversely arranged in the first force transmission sleeve, the force transmission positioning rod can extend into the second force transmission sleeve and position and connect the first force transmission sleeve and the second force transmission sleeve.

[0006] Preferably, the first force transmission sleeve comprises a first vertical cylinder portion, a first arc-shaped cylinder portion and a first transverse cylinder portion, and the lower end of the first vertical cylinder portion is connected to the first transverse cylinder portion through the first arc-shaped cylinder portion;

[0007] The second force transmission sleeve comprises a second vertical cylinder portion, a second arc-shaped cylinder portion and a second transverse cylinder portion, and the lower end of the second vertical cylinder portion is connected to the second transverse cylinder portion through the second arc-shaped cylinder portion.

[0008] Preferably, the first vertical tube portion is arranged vertically and the opening end of the upper port of the first vertical tube portion is located on the upper end surface of the assembly channel panel;

[0009] The first vertical cylinder portion, the first arc-shaped cylinder portion and the first transverse cylinder portion are integrally formed, the first transverse cylinder portion is arranged transversely and the opening end of the side end hole of the first transverse cylinder portion is located on the side end surface of the assembly channel panel.

[0010] Preferably, the second vertical tube portion is arranged vertically and the opening end of the upper port of the second vertical tube portion is located on the upper end surface of the assembly channel panel;

[0011] The second vertical cylinder portion, the second arc-shaped cylinder portion and the second transverse cylinder portion are integrally formed, the second transverse cylinder portion is arranged transversely and the opening end of the side end hole of the second transverse cylinder portion is located on the side end surface of the assembly channel panel.

[0012] Preferably, a first force transmission hard spring is arranged in the first vertical cylinder part and the first arc-shaped cylinder part, and a second force transmission hard spring is arranged in the second vertical cylinder part and the second arc-shaped cylinder part; the lower end of the first force transmission hard spring is connected to the left end of the force transmission positioning rod;

[0013] A first positioning clamping groove for clamping the end of the first force transmission hard spring is provided on the left end face of the force transmission positioning rod; the first force transmission sleeve and the second force transmission sleeve are both steel sleeves, the force transmission positioning rod is a round steel rod, and lubricating oil is arranged between the force transmission positioning rod and the first force transmission sleeve.

[0014] Preferably, a force transmission rod limiting sleeve is arranged in the right part of the second transverse cylinder, and a tapered hole with a wide outer side and a narrow inner side is opened in the force transmission rod limiting sleeve;

[0015] The right end portion of the force transmission positioning rod is provided with a chamfer. After the force transmission positioning rod is extended into and positioned in the second transverse cylinder portion, the right end portion of the force transmission positioning rod is clamped in the force transmission rod limiting sleeve; a first lifting ring is spirally connected to the upper port of the first force transmission sleeve, and a second lifting ring is spirally connected to the upper port of the second force transmission sleeve.

[0016] Another object of the present invention is to provide an assembled airport pavement, which is simpler and more convenient to assemble, and is also more convenient and practical to maintain and replace later.

[0017] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0018] An assembled airport pavement comprises a plurality of assembled pavement structures and the above-mentioned sleeve telescopic force transmission device for the assembled pavement structures; the plurality of assembled pavement structures are arranged in parallel longitudinally.

[0019] Preferably, the assembled road panel in the assembled pavement structure includes a front assembly plate portion, a rear assembly plate portion, a left assembly plate portion and a right assembly plate portion, and the front assembly plate portion is pre-embedded with a plurality of transversely arranged first force transmission sleeves; the rear assembly plate portion is pre-embedded with a plurality of transversely arranged second force transmission sleeves; the left assembly plate portion is pre-embedded with a plurality of longitudinally arranged second force transmission sleeves, and the right assembly plate portion is pre-embedded with a plurality of longitudinally arranged first force transmission sleeves.

[0020] Another object of the present invention is to provide an airport pavement construction method, which can construct the airport pavement more quickly and safely.

[0021] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is:

[0022] A method for constructing an airport pavement, using the above-mentioned assembled airport pavement, specifically comprises the following steps:

[0023] Step A: After the earthwork part, the base layer and the cushion layer are constructed, a plurality of assembled road panels are transported from the prefabrication yard to the airport construction area by a transport vehicle and stored in advance, and the road panel hoisting equipment is moved to the area where the assembled road panels need to be installed;

[0024] Step B, installing a first lifting ring and a second lifting ring on the assembly track panel to be lifted, setting a lifting rope assembly at the lower end of the lifting equipment, connecting the first lifting ring and the second lifting ring through the lifting rope assembly, and lifting the assembly track panel through the lifting equipment and placing it in the designated area;

[0025] Step C, hoist the assembly road panels in sequence, and balance and weight the assembly road panels to keep the installed road panels balanced and flat; then complete the rainwater expansion water-stopping process;

[0026] Step D: Use a hydraulic press or a water press or an arc-shaped guide rod to push the force transmission positioning rod in the first force transmission sleeve into the second force transmission sleeve.

[0027] Preferably, the lifting equipment is a mobile crane or a trolley with a track structure, and a plurality of lifting rope assemblies are arranged at the lower end of the lifting equipment; the lifting rope assembly includes a first main lifting rope and a plurality of second auxiliary lifting ropes connected to the lower end of the first main lifting rope, and the lower end of each second auxiliary lifting rope is connected to a third hook for connecting to the first lifting ring.

[0028] The beneficial effects of the present invention are:

[0029] The above-mentioned sleeve telescopic force transmission device for assembled pavement structure designs a new sleeve telescopic force transmission device for assembled pavement. The device is through an arc-shaped force transmission sleeve and a force transmission positioning rod. When the assembled pavement panel is subjected to instantaneous large stress, the stress can be transmitted to the surrounding pavement panels through the sleeve telescopic force transmission device, achieving better force unloading and force transmission. The force transmission positioning method in the sleeve telescopic force transmission device of the present invention is not a hard connection, which avoids the airport pavement from being instantly damaged after the hard connection is stressed. The longitudinal or lateral force unloading can achieve a certain stability of the airport pavement panel when it is subjected to instantaneous overload force. In addition, a new assembled airport runway is proposed in the present invention, which realizes more convenient installation of the airport pavement in the early stage and more convenient maintenance and replacement in the later stage through the use of multiple groups of assembled pavement structures. In addition, a new construction method of the airport pavement is proposed, which realizes faster and more convenient construction of the airport runway through the use of hoisting equipment and lifting rings and hooks, as well as the use of assembled runways. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the structural positions of the first force transmission sleeve and the second force transmission sleeve.

[0032] Figure 2 It is a schematic diagram of the structural position of the first force transmission hard spring and the second force transmission hard spring.

[0033] Figure 3 It is a schematic diagram of the structural position of the force transfer rod limit sleeve.

[0034] Figure 4 It is a schematic diagram of the connection structure between the telescopic sleeve force transmission device and the assembly channel panel.

[0035] Figure 5 It is a schematic diagram of the overall structure of the prefabricated pavement structure.

[0036] Figure 6 It is a schematic diagram of the overall structure of the prefabricated airport pavement. DETAILED DESCRIPTION

[0037] The present invention provides a sleeve telescopic force transmission device and a construction method for an assembled pavement structure. To make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0038] The present invention is described in detail below in conjunction with the accompanying drawings:

[0039] Example 1

[0040] Combination Figures 1 to 4 , a sleeve telescopic force transmission device for an assembled pavement structure, the assembled pavement structure includes a plurality of assembled pavement panels 101 arranged in parallel, the sleeve telescopic force transmission device includes an arc-shaped tubular first force transmission sleeve 1 and a second force transmission sleeve 2, the first force transmission sleeve 1 and the second force transmission sleeve 2 are respectively embedded in each two adjacent assembled pavement panels 101, and the first force transmission sleeve 1 and the second force transmission sleeve 2 are respectively embedded in the right end portion and the left end portion of the two adjacent assembled pavement panels 101.

[0041] A threaded structure 3 is provided in the upper end of the first force transmission sleeve 1 and the upper end of the second force transmission sleeve 2. A force transmission positioning rod 4 is transversely arranged in the first force transmission sleeve. The force transmission positioning rod 4 can extend into the second force transmission sleeve 2 and position and connect the first force transmission sleeve 1 and the second force transmission sleeve 2.

[0042] The first force transmission sleeve 1 comprises a first vertical cylinder portion 11 , a first arc-shaped cylinder portion 12 and a first transverse cylinder portion 13 . The lower end of the first vertical cylinder portion 11 is connected to the first transverse cylinder portion 13 via the first arc-shaped cylinder portion 12 .

[0043] The second force transmission sleeve 2 comprises a second vertical cylinder portion 21 , a second arc-shaped cylinder portion 22 and a second transverse cylinder portion 23 . The lower end of the second vertical cylinder portion 21 is connected to the second transverse cylinder portion 23 via the second arc-shaped cylinder portion 22 .

[0044] The first vertical cylinder portion 11 is arranged vertically and the opening end of the upper port of the first vertical cylinder portion 11 is located on the upper end surface of the assembly road panel 101. The first vertical cylinder portion 11, the first arc-shaped cylinder portion 12 and the first transverse cylinder portion 13 are integrally formed, the first transverse cylinder portion 13 is arranged horizontally and the opening end of the side end hole of the first transverse cylinder portion 13 is located on the side end surface of the assembly road panel 101.

[0045] The second vertical cylinder portion 21 is vertically arranged and the opening end of the upper port of the second vertical cylinder portion 21 is located on the upper end surface of the assembly road panel 101; the second vertical cylinder portion 21, the second arc-shaped cylinder portion 22 and the second transverse cylinder portion 23 are integrally formed, the second transverse cylinder portion 23 is horizontally arranged and the opening end of the side end hole of the second transverse cylinder portion 23 is located on the side end surface of the assembly road panel 101.

[0046] When the force transmission positioning rod 4 is pushed by the mechanical structure, the force transmission positioning rod 4 is pushed and positioned by setting a spring. The structure at this time is: the first vertical cylinder part 11 and the first arc-shaped cylinder part 12 are provided with a first force transmission hard spring 14, and the second vertical cylinder part 21 and the second arc-shaped cylinder part 22 are provided with a second force transmission hard spring 24; the lower end of the first force transmission hard spring 14 is connected to the left end of the force transmission positioning rod 4. A first positioning clamping groove 41 for clamping the end of the first force transmission hard spring 14 is provided on the left end surface of the force transmission positioning rod 4; the first force transmission sleeve 11 and the second force transmission sleeve 21 are both steel sleeves, the force transmission positioning rod 4 is a round steel rod, and lubricating oil is provided between the force transmission positioning rod 4 and the first force transmission sleeve 11.

[0047] When the force transmission and positioning rod 4 is pushed forward by the impact of the hydraulic oil in the hydraulic press, a force transmission rod limiting sleeve 25 is provided in the right part of the second transverse cylinder 23, and a tapered hole with a wide outside and a narrow inside is provided in the force transmission and positioning sleeve 25. At this time, a groove is provided at the right end of the force transmission and positioning rod 4, and after the force transmission and positioning rod 4 is inserted into and positioned in the second transverse cylinder 23, the right end of the force transmission and positioning rod 4 is clamped in the force transmission and positioning sleeve 25.

[0048] The first force transmission sleeve and the second force transmission sleeve in the present invention are both provided with threads. A first lifting ring is spirally connected in the upper end of the first force transmission sleeve, and a second lifting ring is spirally connected in the upper end of the second force transmission sleeve.

[0049] Example 2

[0050] Combination Figures 1 to 6 A prefabricated airport pavement includes a plurality of prefabricated pavement structures 5 and a sleeve telescopic force transmission device for the prefabricated pavement structures; the plurality of prefabricated pavement structures 5 are arranged in parallel longitudinally.

[0051] The assembled road panel 101 in the assembled road surface structure includes a front assembly plate portion 51, a rear assembly plate portion 52, a left assembly plate portion 53 and a right assembly plate portion 54. A plurality of first force transmission sleeves 1 arranged transversely are embedded in the front assembly plate portion 51; a plurality of second force transmission sleeves 2 arranged transversely are embedded in the rear assembly plate portion 52. A plurality of second force transmission sleeves 2 arranged longitudinally are embedded in the left assembly plate portion 53, and a plurality of first force transmission sleeves 1 arranged longitudinally are embedded in the right assembly plate portion 54.

[0052] Example 3

[0053] Combination Figures 1 to 6 A method for constructing an airport pavement, using the above-mentioned assembled airport pavement, specifically comprises the following steps:

[0054] Step A: After the earthwork part, the base layer and the cushion layer are constructed, a plurality of assembled road panels are transported from the prefabrication yard to the airport construction area by a transport vehicle and stored in advance, and the road panel hoisting equipment is moved to the area where the assembled road panels need to be installed;

[0055] Step B, installing a first lifting ring and a second lifting ring on the assembly track panel to be lifted, setting a lifting rope assembly at the lower end of the lifting equipment, connecting the first lifting ring and the second lifting ring through the lifting rope assembly, and lifting the assembly track panel through the lifting equipment and placing it in the designated area;

[0056] Step C, hoist the assembly road panels in sequence, and balance and weight the assembly road panels to keep the installed road panels balanced and flat; then complete the rainwater expansion water-stopping process;

[0057] Step D: Use a hydraulic press or a water press or an arc-shaped guide rod to push the force transmission positioning rod in the first force transmission sleeve into the second force transmission sleeve.

[0058] The lifting equipment is a mobile crane or a trolley with a track structure, and a plurality of lifting rope assemblies are arranged at the lower end of the lifting equipment; the lifting rope assemblies include a first main lifting rope and a plurality of second auxiliary lifting ropes connected to the lower end of the first main lifting rope, and each second auxiliary lifting rope has a third hook connected to the lower end thereof for connecting to the first lifting ring.

[0059] Example 4

[0060] The above-mentioned sleeve telescopic force transmission device for assembled pavement structure designs a new sleeve telescopic force transmission device for assembled pavement. The device is through an arc-shaped force transmission sleeve and a force transmission positioning rod. When the assembled pavement panel is subjected to instantaneous large stress, the stress can be transmitted to the surrounding pavement panels through the sleeve telescopic force transmission device, achieving better force unloading and force transmission. The force transmission positioning method in the sleeve telescopic force transmission device of the present invention is not a hard connection, which avoids the airport pavement from being instantly damaged after the hard connection is stressed. The longitudinal or lateral force unloading can achieve a certain stability of the airport pavement panel when it is subjected to instantaneous overload force. In addition, a new assembled airport runway is proposed in the present invention, which realizes more convenient installation of the airport pavement in the early stage and more convenient maintenance and replacement in the later stage through the use of multiple groups of assembled pavement structures. In addition, a new construction method of the airport pavement is proposed, which realizes faster and more convenient construction of the airport runway through the use of hoisting equipment and lifting rings and hooks, as well as the use of assembled runways.

[0061] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0062] Parts not described in the present invention can be implemented by adopting or drawing on existing technologies.

[0063] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A sleeve telescopic force transmission device for an assembled pavement structure, wherein the assembled pavement structure comprises a plurality of assembled pavement panels arranged in parallel, characterized in that: The sleeve telescopic force transmission device comprises a first force transmission sleeve and a second force transmission sleeve in an arc-shaped tubular shape. The first force transmission sleeve and the second force transmission sleeve are respectively embedded in each of two adjacent assembly track panels. A threaded structure is provided in the upper end of the first force transmission sleeve and the upper end of the second force transmission sleeve. A force transmission positioning rod is transversely arranged in the first force transmission sleeve. The force transmission positioning rod can extend into the second force transmission sleeve and position and connect the first force transmission sleeve and the second force transmission sleeve. The first force transmission sleeve comprises a first vertical cylinder portion, a first arc-shaped cylinder portion and a first transverse cylinder portion, and the lower end of the first vertical cylinder portion is connected to the first transverse cylinder portion through the first arc-shaped cylinder portion; The second force transmission sleeve comprises a second vertical cylinder portion, a second arc-shaped cylinder portion and a second transverse cylinder portion, and the lower end of the second vertical cylinder portion is connected to the second transverse cylinder portion through the second arc-shaped cylinder portion; A first force transmission hard spring is arranged in the first vertical cylinder part and the first arc-shaped cylinder part, and a second force transmission hard spring is arranged in the second vertical cylinder part and the second arc-shaped cylinder part; the lower end of the first force transmission hard spring is connected to the left end of the force transmission positioning rod; A first positioning clamping groove for clamping the end of the first force transmission hard spring is provided on the left end surface of the force transmission positioning rod; the first force transmission sleeve and the second force transmission sleeve are both steel sleeves, the force transmission positioning rod is a round steel rod, and lubricating oil is provided between the force transmission positioning rod and the first force transmission sleeve; The first vertical cylinder portion is arranged vertically and the opening end of the upper port of the first vertical cylinder portion is located on the upper end surface of the assembly channel panel; The second vertical cylinder portion is arranged vertically and the opening end of the upper port of the second vertical cylinder portion is located on the upper end surface of the assembly channel panel; A force transmission rod limiting sleeve is arranged in the right part of the second transverse cylinder part, and a tapered hole which is wide outside and narrow inside is opened in the force transmission rod limiting sleeve.

2. The sleeve telescopic force transmission device for assembled pavement structure according to claim 1, characterized in that: The first vertical cylinder portion, the first arc-shaped cylinder portion and the first transverse cylinder portion are integrally formed, the first transverse cylinder portion is arranged transversely and the opening end of the side end hole of the first transverse cylinder portion is located on the side end surface of the assembly channel panel.

3. The sleeve telescopic force transmission device for assembled pavement structure according to claim 1, characterized in that: The second vertical cylinder portion, the second arc-shaped cylinder portion and the second transverse cylinder portion are integrally formed, the second transverse cylinder portion is arranged transversely and the opening end of the side end hole of the second transverse cylinder portion is located on the side end surface of the assembly channel panel.

4. The sleeve telescopic force transmission device for assembled pavement structure according to claim 1, characterized in that: The right end portion of the force transmission positioning rod is provided with a chamfer. After the force transmission positioning rod is extended into and positioned in the second transverse cylinder portion, the right end portion of the force transmission positioning rod is clamped in the force transmission rod limiting sleeve; a first lifting ring is spirally connected to the upper port of the first force transmission sleeve, and a second lifting ring is spirally connected to the upper port of the second force transmission sleeve.

5. An assembled airport pavement, comprising a plurality of assembled pavement structures, characterized in that: It also includes a sleeve telescopic force transmission device for a prefabricated pavement structure as described in any one of claims 1 to 4; the multiple groups of prefabricated pavement structures are arranged in parallel longitudinally.

6. The assembled airport pavement according to claim 5, characterized in that: The assembled road panel in the assembled road surface structure includes a front assembly plate portion, a rear assembly plate portion, a left assembly plate portion and a right assembly plate portion. The front assembly plate portion is pre-embedded with a plurality of first force transmission sleeves arranged transversely; the rear assembly plate portion is pre-embedded with a plurality of second force transmission sleeves arranged transversely; the left assembly plate portion is pre-embedded with a plurality of second force transmission sleeves arranged longitudinally, and the right assembly plate portion is pre-embedded with a plurality of first force transmission sleeves arranged longitudinally.

7. A method for airport pavement construction, characterized in that: The method of using the assembled airport pavement according to any one of claims 5 to 6 specifically comprises the following steps: Step A: After the earthwork part, the base layer and the cushion layer are constructed, a plurality of assembled road panels are transported from the prefabrication yard to the airport construction area by a transport vehicle and stored in advance, and the road panel hoisting equipment is moved to the area where the assembled road panels need to be installed; Step B, installing a first lifting ring and a second lifting ring on the assembly track panel to be lifted, setting a lifting rope assembly at the lower end of the lifting equipment, connecting the first lifting ring and the second lifting ring through the lifting rope assembly, and lifting the assembly track panel through the lifting equipment and placing it in the designated area; Step C, hoist the assembly road panels in sequence, and balance and weight the assembly road panels to keep the installed road panels balanced and flat; then complete the rainwater expansion water-stopping process; Step D: Use a hydraulic press or a water press or an arc-shaped guide rod to push the force transmission positioning rod in the first force transmission sleeve into the second force transmission sleeve.

8. The airport pavement construction method according to claim 7, characterized in that: The lifting equipment is a mobile crane or a trolley with a track structure, and a plurality of lifting rope assemblies are arranged at the lower end of the lifting equipment; the lifting rope assemblies include a first main lifting rope and a plurality of second auxiliary lifting ropes connected to the lower end of the first main lifting rope, and the lower end of each second auxiliary lifting rope is connected to a third hook for connecting to the first lifting ring.

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