Reusable hinge device and lagging jack structure comprising same

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a reusable hinge device and an arch frame structure comprising the same. The hinge device comprises two hinge device single bodies which are oppositely arranged and fastening assemblies, and the two ends of each hinge device single body are detachably connected with the connecting plates through the fastening assemblies correspondingly. The hinge device single bodies are connected with the two adjacent arch frame single bodies through the connecting plates. The hinge device provided by the utility model is simple in structure and convenient to disassemble and assemble; hinge device monomers can be detached and reused, so that the cost is reduced; the hinge device monomers are hinged and positioned on the connecting plate, so that the hinge device is not influenced by the model of the arch frame, the positioning precision is higher, the hole alignment is more accurate, and the mounting efficiency of the arch frame is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction technical field, concretely relates to a hinge device and arch frame structure containing the device that can be used repeatedly. BACKGROUND

[0002] In the drilling and blasting method tunnel construction operation, when weak surrounding rock is encountered, arch frame needs to be installed in time as the initial support to control the deformation of surrounding rock and prevent collapse; the installation efficiency and quality of arch frame directly affect the safety, progress and quality of tunnel construction; if torsion occurs between arch frame segments, the spacing does not meet the design requirements, which may lead to insufficient support strength of arch frame after arch erection and deformation and collapse. For a long time, arch erection construction in tunnel is mostly installed and spliced by manual work, but with the expansion of tunnel construction scale, the continuous improvement of construction standard and the complexity of geological conditions, simply relying on increasing labor force cannot meet the requirements of high quality and high efficiency of tunnel construction, accordingly, hinge type multi-arch frame is widely used because it can improve the arch erection efficiency.

[0003] The hinge device of the existing hinge type arch frame is mostly fixedly connected with the arch frame, such as the hinge device disclosed in patent CN216691105U, the hinge plate is welded with the arch frame, which cannot be reused, increasing the loss of the hinge device and production cost. Patent CN220285776U discloses a folding arch frame buckle type connecting device, which comprises two buckle seats hingedly connected with each other, the two buckle seats are respectively fixed with two arch frame units to be connected, the buckle seat comprises two clamping plates oppositely distributed on both sides of the arch frame unit, wing clamping plates corresponding to the flanges of the arch frame unit are arranged on the adjacent sides of the clamping plates, and the two clamping plates are connected by bolts to fix the buckle seat on the arch frame unit. The connecting device can meet the folding demand of the arch frame in the transportation process, improve the installation efficiency of the arch frame, can be repeatedly disassembled and used, reduces material loss and reduces production cost, but the device has high requirements on the machining precision of the arch frame, after replacing arch frames of different models, the positioning precision is difficult to guarantee, the bolt holes may be misaligned after the hinge type arch frame is unfolded, it is difficult to drill holes, and the device is complex to disassemble and assemble.

[0004] In view of the above, it is urgent to provide a hinge device and arch frame structure containing the device, which can be used repeatedly, to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hinge device and arch frame structure containing the device, which can be used repeatedly, and the specific technical solutions are as follows:

[0006] A hinge device, which can be used repeatedly, comprises two symmetrically arranged hinge device monomers and a fastening assembly, both ends of the hinge device monomer are detachably connected with the connecting plate through the fastening assembly, and the hinge device monomer is connected with two adjacent arch frame monomers through the connecting plate.

[0007] Further, the two hinging device units are symmetrically arranged relative to the connecting plate.

[0008] Further, the hinging device unit comprises a first hinging plate, a second hinging plate and a pin shaft assembly, the first hinging plate is hinged with the second hinging plate through the pin shaft assembly.

[0009] Further, the first end of the first hinging plate is provided with a first hinging sleeve, the first end of the second hinging plate is provided with a second hinging sleeve, the first hinging sleeve and the second hinging sleeve are serially sleeved on a hinging shaft, and the hinging shaft is provided with a limiting piece for limiting axial movement of the hinging shaft.

[0010] The second end of the first hinging plate and the second end of the second hinging plate are connected with the connecting plate through a fastening assembly respectively.

[0011] Further, the first end of the first hinging plate is provided with a stopper, and the stopper is used for limiting relative rotation between the connecting plate and the hinging device unit.

[0012] Further, the limiting piece is any one of a snap ring, a nut and an open end pin.

[0013] Further, the fastening assembly adopts a combination of a bolt and a nut.

[0014] Further, the connecting plate adopts a flange plate, and the flange plate is fixedly connected to the end portion of the arch support unit.

[0015] Further, the flange plate is provided with a through hole, the through hole comprises a through hole one, a through hole two and a through hole three, the through hole one is used for realizing connection of adjacent arch support units, the through hole two is used for penetrating of a bolt rod in the fastening assembly, and the through hole three is used for penetrating of a bolt head in the fastening assembly.

[0016] An arch support structure comprises a plurality of sequentially connected arch support units and connecting plates, the connecting plates are fixedly connected to end portions of the arch support units, and adjacent two arch support units are connected through a plurality of hinging devices as described above.

[0017] The technical scheme of the utility model has the following beneficial effects:

[0018] (1)The utility model provides a kind of reusable hinged device, including two oppositely arranged hinged device monomer and fastening assembly, the both ends of the hinged device monomer are respectively through fastening assembly and the detachable connection of connecting plate;The hinged device monomer is connected with adjacent two arch frame monomers by connecting plate.The hinged device structure of arch frame provided by the utility model is simple, easy to disassemble, improves arch frame installation efficiency;Hinged device monomer and connecting plate are detachably connected, on the one hand, the disassembly of hinged device monomer can be realized, it is convenient to reuse, save cost, on the other hand, by the cooperation of hinged device monomer and connecting plate, even if the arch frame of different model is replaced, the positioning accuracy of hinged device is not affected, the probability that bolt hole is mispositioned after arch frame is unfolded, difficult to punch is reduced, and the requirement to arch frame machining accuracy is reduced simultaneously.

[0019] (2)In the utility model, the flange plate is provided with a through hole, the through hole includes a through hole one, a through hole two and a through hole three, the through hole one is used to realize the connection of adjacent arch frame monomers, the through hole two is used for the penetration of bolt rod in fastening assembly, and the through hole three is used for the penetration of bolt head in fastening assembly. The through hole one is used to realize the connection of adjacent arch frame monomers, the through hole two is used to realize the connection of the first hinged plate and the flange plate A, and the second hinged plate and the flange plate B are connected, and the through hole three is arranged, so that the bolt head of the inner hexagonal bolt is arranged in the through hole three when the arch frame is unfolded, and the complete lamination of the flange plate A and the flange plate B is ensured.

[0020] (3)In the utility model, the through hole three and the bolt head can play a guiding role, ensure that the through hole one on the flange plate A corresponds with the flange plate B, and facilitate the penetration of bolt.

[0021] (4)In the utility model, the first end of the first hinged plate is provided with a stopper, the stopper is arranged on the side of the first hinged plate, the two stoppers on the two first hinged plates are oppositely arranged, clamped on the two sides of the flange plate A, limit the relative rotation between the flange plate A and the hinged device monomer, so that the hole position is aligned when the flange plate A and the flange plate B are laminated, avoid difficult to punch due to mispositioning, and avoid mispositioning and torsion of adjacent arch frame monomers.

[0022] (5)The utility model provides an arch frame structure, which comprises a plurality of sequentially connected arch frame monomers, and adjacent two arch frame monomers are connected by a plurality of hinged devices. By using the hinged device, the folding and rapid unfolding of the arch frame structure can be realized, and the folding and efficient installation requirements during arch frame transportation can be met.

[0023] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. DRAWINGS

[0024] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application illustrated in the drawings are intended to explain the principles of the application and the application should not be limited to the embodiments disclosed in the drawings. In the drawings:

[0025] Figure 1 is a schematic view of the reusable hinged device connected with the connecting plate in the embodiment of the application;

[0026] Figure 2 is a structural schematic view of the reusable hinged device in the embodiment of the application;

[0027] Figure 3 is a schematic view of the original flange plate;

[0028] Figure 4 is a schematic view of the flange plate A;

[0029] Figure 5 is a schematic view of the flange plate B;

[0030] Figure 6 is a schematic view of the folded state of the arch structure;

[0031] Figure 7 is a schematic view of the unfolded state of the arch structure.

[0032] Wherein, 1, hinged device monomer, 1.1, first hinged plate, 1.1.1, first hinged sleeve, 1.1.2, stop, 1.2, second hinged plate, 1.2.1, second hinged sleeve, 1.3, pin shaft assembly, 1.3.1, hinged shaft, 1.3.2, limiting piece, 2, connecting plate, 2.1, through hole one, 2.2, through hole two, 2.3, through hole three, 3, fastening assembly, 4, arch monomer. DETAILED DESCRIPTION

[0033] The embodiments of the application will be described in detail below with reference to the accompanying drawings, but the application can be implemented in various different ways as defined and covered.

[0034] In the description of the application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0035] In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0036] Embodiment

[0037] Referring to Figure 1 The embodiment provides a reusable hinged device, comprising two oppositely arranged (preferably symmetrically arranged) hinged device monomers 1 and a fastening assembly 3, the two ends of the hinged device monomer 1 are detachably connected with the connecting plate 2 through the fastening assembly 3; the hinged device monomer 1 is connected with the adjacent two arch frame monomers 4 through the connecting plate 2.

[0038] Referring to Figure 2 The hinged device monomer comprises a first hinged plate 1.1, a second hinged plate 1.2 and a pin shaft assembly 1.3, the first hinged plate 1.1 is hinged with the second hinged plate 1.2 through the pin shaft assembly 1.3. Specifically, the first end of the first hinged plate 1.1 is provided with a first hinged sleeve 1.1.1, the first end of the second hinged plate 1.2 is provided with a second hinged sleeve 1.2.1, the first hinged sleeve 1.1.1 and the second hinged sleeve 1.2.1 are serially sleeved on the hinge shaft 1.3.1, the hinge shaft 1.3.1 is provided with a limiting piece 1.3.2, the limiting piece 1.3.2 limits the axial movement of the hinge shaft 1.3.1, and prevents the hinge shaft 1.3.1 from being pulled out of the first hinged sleeve 1.1.1 and the second hinged sleeve 1.2.1.

[0039] The limiting piece 1.3.2 is any one of a snap ring, a nut and a split pin, preferably, the embodiment adopts a split pin.

[0040] The second end of the first hinged plate 1.1 and the second end of the second hinged plate 1.2 are connected with the connecting plate 2 through the fastening assembly 3. In the embodiment, the connecting plate 2 adopts a flange plate, and the flange plate is fixedly connected to the end portion of the arch frame monomer 4, preferably, in the embodiment, the flange plate is welded to the end portion of the arch frame monomer 4; the fastening assembly 3 adopts a combination of an inner hexagonal bolt and a nut, and the detachable connection between the hinged device monomer 1 and the flange plate is realized by using the combination of the inner hexagonal bolt and the nut; after the adjacent arch frame monomers 1 are connected and fixed, the hinged device monomer 1 can be detached from the arch frame monomer 1 for reuse, thereby reducing material loss and production cost.

[0041] Referring to Figure 3, the original flange plate is provided with a through hole 2.1, which is used to realize the connection of adjacent arch support units 4; see Figure 4 and Figure 5 , the original flange plate is provided with a through hole 2.1, which is used to realize the connection of adjacent arch support units 4; see Figure 1 or Figure 2 , the first hinged plate 1.1 is connected with the flange plate A through the inner hexagonal bolt and nut fastening connection, wherein the bolt head of the inner hexagonal bolt is towards the side of the flange plate B, and the second hinged plate 1.2 is connected with the flange plate B through the inner hexagonal bolt and nut fastening connection, wherein the bolt head of the inner hexagonal bolt is towards the side of the flange plate A.

[0042] In this embodiment, the through hole 2.2 is used to fasten the bolt rod in the tightening assembly 3 to realize the connection of the first hinged plate 1.1 with the flange plate A and the connection of the second hinged plate 1.2 with the flange plate B; the through hole 3.3 is used to fasten the bolt head in the tightening assembly 3 to ensure that the flange plate A and the flange plate B can be completely attached.

[0043] In this embodiment, see Figures 3-5 , the through hole 2.1 is provided with 4, preferably, the 4 through holes 2.1 are distributed in a rectangular shape; see Figure 4 , the middle part of the flange plate A is provided with 2 through holes 2.2, and the lower part is provided with 2 through holes 3.3; see Figure 5 , the middle part of the flange plate B is provided with 2 through holes 3.3, and the lower part is provided with 2 through holes 2.2; when the flange plate A and the flange plate B are attached, the through hole 2.1 on the flange plate A corresponds to the through hole 2.1 on the flange plate B, the through hole 2.2 in the middle part of the flange plate A corresponds to the through hole 3.3 in the middle part of the flange plate B, and the bolt head of the inner hexagonal bolt connecting the first hinged plate 1.1 with the flange plate A is located in the through hole 3.3 in the middle part of the flange plate B, the through hole 3.3 in the lower part of the flange plate A corresponds to the through hole 2.2 in the lower part of the flange plate B, and the bolt head of the inner hexagonal bolt connecting the second hinged plate 1.2 with the flange plate B is located in the through hole 3.3 in the lower part of the flange plate A; through the setting of the through hole 3.3, it can be ensured that the flange plate A and the flange plate B are completely attached, and at the same time it can play a guiding role to ensure that the through hole 2.1 on the flange plate A corresponds to the through hole 2.1 on the flange plate B, and facilitate the insertion of the bolt.

[0044] In this embodiment, see Figure 2, the first end of the first hinged plate 1.1 is provided with a stopper 1.1.2 arranged on the side edge of the first hinged plate 1.1, the two stoppers 1.1.2 on the two first hinged plates 1.1 are oppositely arranged and clamped on the two sides of the flange plate A, so that the relative rotation between the flange plate A and the hinged device unit 1 is limited, the hole positions are aligned when the flange plate A is attached to the flange plate B, and the perforation caused by misalignment is avoided; meanwhile, misalignment and torsion of the adjacent arch unit 4 can be avoided.

[0045] The arch hinged device provided by the embodiment has simple structure, is convenient to disassemble and assemble, and improves the installation efficiency of the arch; the hinged device unit 1 is detachably connected with the flange plate, on the one hand, the hinged device unit 1 can be disassembled for repeated use, thereby saving cost, and on the other hand, the positioning accuracy of the hinged device is not affected even if different types of arches are replaced, the probability of misalignment of bolt holes after the arch is unfolded and the difficulty in perforation caused by the positioning accuracy is reduced, and the requirement for the machining accuracy of the arch is reduced.

[0046] Referring to Figure 6 and Figure 7 , the embodiment further provides an arch structure comprising a plurality of sequentially connected arch units 4 and connecting plates 2, the connecting plate 2 is fixedly connected to the end of the arch unit 4, and the connecting plates 2 of the adjacent two arch units 4 are connected through the hinged device as described above. Through the use of the hinged device, the folding and rapid unfolding of the arch structure can be realized, and the folding requirement in the transportation process of the arch and the efficient installation requirement can be met.

[0047] The embodiment takes three arch units 4 as an example, in use, the flange plate A is welded at the two ends of the middle section arch unit 4, the flange plate B is welded at the hinged ends of the left and right section arch units 4, and the two hinged device units 1 are tightly installed on the flange plates A and B at the hinged ends by means of the inner hexagonal bolt and the nut, the arch structure is folded and fixed (see Figure 6 ), after being transported to the tunnel face, the middle section arch unit 4 is lifted, the left and right section arch units 4 are unfolded through external force, the flange plates A and B at the hinged ends are completely attached (see Figure 7 ), the bolt is connected and fixed by penetrating the through holes 2.1 on the flange plates A and B, and then all the bolts connecting the hinged device unit 1 and the flange plate are disassembled, so that the hinged device unit 1 can be disassembled for use next time.

[0048] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A reusable articulating device, characterized by, The hinge device comprises two hinge device units (1) and fastening assemblies (3), two ends of the hinge device units (1) are detachably connected with the connecting plates (2) through the fastening assemblies (3), and the hinge device units (1) are connected with two adjacent arch frame units (4) through the connecting plates (2).

2. A reusable articulating device according to claim 1, wherein, The two hinge device units (1) are symmetrically arranged relative to the connecting plates (2).

3. A reusable articulating device according to claim 1, wherein, The hinge device unit (1) comprises a first hinge plate (1.1), a second hinge plate (1.2) and a pin shaft assembly (1.3), and the first hinge plate (1.1) is hingedly connected with the second hinge plate (1.2) through the pin shaft assembly (1.3).

4. A reusable articulating device according to claim 3, wherein, A first hinge sleeve (1.1.1) is arranged at a first end of the first hinge plate (1.1), a second hinge sleeve (1.2.1) is arranged at a first end of the second hinge plate (1.2), the first hinge sleeve (1.1.1) and the second hinge sleeve (1.2.1) are arranged in series on a hinge shaft (1.3.1), and a limiting piece (1.3.2) for limiting axial movement of the hinge shaft (1.3.1) is arranged on the hinge shaft (1.3.1). Second ends of the first hinge plate (1.1) and the second hinge plate (1.2) are connected with the connecting plate (2) through the fastening assemblies (3).

5. A reusable articulating device according to claim 4, wherein, A stop (1.1.2) is arranged at the first end of the first hinge plate (1.1), and the stop (1.1.2) is used for limiting relative rotation between the connecting plate (2) and the hinge device unit (1).

6. A reusable articulating device according to claim 4, wherein, The limiting piece (1.3.2) is any one of a snap ring, a nut and an open pin.

7. A reusable articulating device according to any one of claims 1-6, wherein, The fastening assembly (3) adopts a combination of a bolt and a nut.

8. A reusable articulating device according to claim 7, wherein, The connecting plate (2) adopts a flange plate, and the flange plate is fixedly connected to an end of the arch frame unit (4).

9. A reusable articulating device according to claim 8, wherein, Holes are arranged on the flange plate, and the holes comprise a hole one (2.1), a hole two (2.2) and a hole three (2.3), the hole one (2.1) is used for connecting adjacent arch frame units (4), the hole two (2.2) is used for penetrating a bolt rod in the fastening assembly (3), and the hole three (2.3) is used for penetrating a bolt head in the fastening assembly (3).

10. A scaffolding structure characterised in that, The hinge device comprises a plurality of sequentially connected arch frame units (4) and connecting plates (2), the connecting plates (2) are fixedly connected to ends of the arch frame units (4), and adjacent two arch frame units (4) are connected through a plurality of hinge devices according to any one of claims 1-9.

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