Mortise and tenon joint structure of subway station model

Abstract

The utility model relates to the technical field of geotechnical engineering, in particular to a mortise and tenon joint structure of a subway station model, which comprises a supporting wall and a connecting wall, the supporting wall is connected with the connecting wall to form a rectangular structure, a connecting groove is arranged on the supporting wall, and a connector matched with the connecting groove is fixedly arranged on the connecting wall. A top plate is arranged on the supporting walls, connectors are fixedly arranged on the two sides of the connecting wall respectively, the connecting wall is connected with the connecting grooves in the two supporting walls through the two connectors, and the connecting grooves formed in the supporting walls are connected with the connectors on the two sides of the connecting wall in an inserted mode to form a mortise and tenon joint structure, so that the stability of the model structure is improved; the model is stressed more uniformly, the inserting part set is arranged at the lower end of the top plate and connected with the connecting grooves in the two connecting walls, the force borne by the top plate is shared, meanwhile, the effect of limiting the top plate and preventing displacement can be achieved, the top plate is supported through the reinforcing beam, and deformation caused by too large stress of the top plate is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a geotechnical engineering technical field especially relates to a mortise and tenon structure of subway station model. BACKGROUND

[0002] With the rapid development of urban subway construction, the safety of subway station construction technology and enclosure structure becomes the key technical link in the project. In subway construction, the structure of the station must adapt to various complex geological conditions, and the influence of dynamic changes of underground water on construction safety must also be considered. In order to deeply study the stress behavior of subway station structure under different geological conditions and the influence of underground water flow on the structure, researchers usually use scaled models for experimental research. This method can accurately simulate the physical properties of the underground environment by reducing the size of the model, and observe its response under different load and water flow conditions. By loading and monitoring the model, researchers can obtain valuable data to analyze the strength, deformation and safety of the structure. In addition, this experiment can also help optimize the design and improve the reliability of the construction scheme.

[0003] The existing subway station model is mostly assembled or bonded by simple connection, which has insufficient structural strength, especially the connection between the support structure and the main part of the station is loose, which cannot accurately simulate the interaction of each part in the actual project. At the same time, the sealing performance of the connection part is poor, which leads to leakage when underground water flows around, affecting the accuracy of the experimental results. In addition, some experimental models use right-angle joints or flat splicing, which lack precise mechanical engagement, so that the model may deform or fall off under the bearing pressure or impact of underground water. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art, such as the loose connection between the support structure and the main part of the station, poor sealing performance, leakage, influence on the accuracy of experimental results, use of right-angle joints or flat splicing, lack of mechanical engagement, and easy deformation or falling off of the model under the bearing pressure or impact of underground water, and proposes a mortise and tenon structure of subway station model.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A mortise and tenon structure of subway station model is designed, which includes a support wall and a connecting wall. The support wall and the connecting wall are connected to each other to form a rectangular structure. A connecting groove is formed on the support wall. A connecting head matched with the connecting groove is fixed on the upper part of the connecting wall.

[0007] A top plate is arranged on the support wall. The top plate is connected with the support wall and the connecting wall.

[0008] The support wall is two, and two connecting grooves are formed in the support wall, and two connecting heads are fixedly arranged on the two sides of the connecting wall and connected with the connecting grooves of the two support walls respectively.

[0009] Further, the connecting groove is a dovetail groove, the connecting head is a dovetail head, and the connecting head and the connecting groove are inserted to form a mortise and tenon structure.

[0010] Further, two groups of plug-in parts matched with the connecting grooves are fixedly arranged at the lower end of the top plate, the plug-in part group includes two dovetail-shaped plug-in parts, and the two plug-in parts are respectively inserted with the connecting grooves of the two support walls, and a connecting column fixedly connected with the two dovetail parts is arranged in the plug-in part group.

[0011] Further, a reinforcing beam is arranged between the two support walls, the upper end of the reinforcing beam is in contact with the top plate, and plug-in pieces matched with the support walls are arranged on the two sides of the reinforcing beam.

[0012] Further, a plug-in column is fixedly arranged on the plug-in piece, a plug-in groove corresponding to the plug-in column is formed in the support wall, the plug-in column is a dovetail column, and the plug-in groove is a dovetail groove.

[0013] Further, a support groove is further arranged on the plug-in piece, the reinforcing beam is arranged in the support groove, a positioning groove is formed in the support groove, and a positioning block matched with the positioning groove is fixedly arranged at the lower end of the reinforcing beam.

[0014] Further, a waterproof sponge rubber tape is arranged at the gap between the support wall and the connecting wall.

[0015] The mortise and tenon structure of the subway station model has the beneficial effects that:

[0016] In the utility model, the connecting groove is formed in the support wall, and the connecting head on the two sides of the connecting wall is inserted to form a mortise and tenon structure, so that the stability of the model structure is improved, the model is more uniform in stress, and the waterproof sponge rubber tape is arranged at the connecting position to increase the sealing property of the model.

[0017] Secondly, in the utility model, the plug-in part group is arranged at the lower end of the top plate and connected with the connecting grooves of the two connecting walls, so that the force borne by the top plate is shared, the top plate can be limited from displacement, the reinforcing beam is arranged to support the top plate, and the deformation of the top plate caused by excessive force is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the mortise and tenon structure of the subway station model is shown in the utility model;

[0019] Figure 2 It is a structure schematic view of the connecting wall of the utility model;

[0020] Figure 3 It is a structure schematic view of the crossbeam of the utility model;

[0021] Figure 4 It is a structure schematic view of the plug-in part of the utility model.

[0022] In the drawing: 1, support wall; 11, connecting groove; 2, connecting wall; 21, connecting head; 3, top plate; 31, plug-in part group; 32, connecting column; 4, reinforcing beam; 41, positioning block; 5, plug-in part; 51, plug-in column; 52, support groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Referring to Figures 1-4 A mortise and tenon structure of a subway station model, comprising a support wall 1 and a connecting wall 2, the support wall 1 and the connecting wall 2 are connected with each other to form a rectangular structure, the support wall 1 is provided with a connecting groove 11, and the connecting wall 2 is provided with a connecting head 21 matched with the connecting groove 11;

[0025] The support wall 1 is provided with a top plate 3, and the top plate 3 is connected with the support wall 1 and the connecting wall 2.

[0026] The support wall 1 is provided with two connecting grooves 11, and the connecting wall 2 is provided with two connecting heads 21 matched with the connecting grooves 11.

[0027] In the utility model, the connecting groove 11 is formed on the support wall 1, and the connecting head 21 on the two sides of the connecting wall 2 is inserted, so that the mortise and tenon structure is formed, the support wall 1 and the connecting wall 2 are tightly connected, the top plate 3 is provided with stable support, thereby the stability of the whole model structure is improved, and the model is more uniformly stressed.

[0028] Further, in the embodiment, the connecting groove 11 is a dovetail groove, the connecting head 21 is a dovetail head, the connecting head 21 and the connecting groove 11 are inserted to form the mortise and tenon structure, the connection between the connecting wall 2 and the support wall 1 is more tightly connected, the width of the connecting head is 15mm, the height is 20mm, the width of the connecting groove is 15.5mm, and the depth is 22mm, the mortise and tenon joint is a dovetail head or a multi-level trapezoidal design, the structure is more uniformly stressed through the tight connection of the mortise and tenon, and the rigidity and strength of the model in the experiment are ensured.

[0029] Further, in the embodiment, the lower end of the top plate 3 is fixedly provided with two groups of plug-in parts 31 matched with the connecting grooves 11, each of the plug-in part groups 31 includes two dovetail-shaped plug-in parts, and the two plug-in parts are respectively plugged into the connecting grooves 11 on the two support walls 1. The plug-in part groups 31 are further provided with connecting columns 32 fixedly connected with the two dovetail parts, which share the force received by the top plate 3 and can limit the displacement of the top plate 3 to increase the tightness of the model.

[0030] It should be noted that, in the embodiment, the two support walls 1 are provided with a reinforcing beam 4, the upper end of the reinforcing beam 4 is in contact with the top plate 3, and the two sides of the reinforcing beam 4 are provided with plug-in parts 5 matched with the support walls 1. The reinforcing beam 4 is arranged to support the top plate 3 and prevent the top plate 3 from deforming due to excessive force. The reinforcing beam 4 is preferably arranged at the middle part of the top plate 3.

[0031] In addition, in the embodiment, the plug-in part 5 is fixedly provided with a plug-in column 51, and the support wall 1 is provided with a plug-in groove corresponding to the plug-in column 51. The plug-in column 51 is a dovetail column, and the plug-in groove is a dovetail groove. The plug-in column 51 is plugged into the plug-in groove of the support wall 1 to fix the plug-in part 5 and the reinforcing beam 4, facilitating assembly and disassembly.

[0032] In detail, in the embodiment, the plug-in part 5 is further provided with a support groove 52, the reinforcing beam 4 is arranged in the support groove 52, the support groove 52 is provided with a positioning groove, and the lower end of the reinforcing beam 4 is fixedly provided with a positioning block 41 matched with the positioning groove. The positioning groove and the positioning block cooperate to facilitate the connection and assembly of the reinforcing beam 4 and the plug-in part 5. At the same time, the force received by the reinforcing beam 4 can be dispersed to the plug-in part 5 and further dispersed to the support wall 1, reducing the damage to the reinforcing beam 4.

[0033] In more detail, in the embodiment, a waterproof sponge tape is arranged at the gap between the support wall 1 and the connecting wall 2 to ensure that the underground water can only flow around the specified position, avoiding experimental errors caused by water penetration during the experiment and improving the accuracy of the experimental results. The application of the high-elasticity sponge tape can maintain good sealing effect under different water pressure conditions.

[0034] The working mode is that two connecting walls 2 are connected with two supporting walls 1 in sequence during assembly, two connecting heads 21 of one connecting wall 2 are inserted into two connecting grooves 11 on the two supporting walls 1 during connection, two connecting heads 21 of the other connecting wall 2 are inserted into two connecting grooves 11 on the two supporting walls 1, a rectangular structure is formed, sponge adhesive tape is adhered at the connecting position, then the inserting columns 51 of two inserting pieces 5 are respectively inserted into the inserting grooves on the two supporting walls 1, the reinforcing beam 4 is placed on the supporting grooves 52 of the two inserting pieces 5, the positioning block 41 needs to be inserted into the positioning groove during placement, then the top plate 3 is placed above the rectangular structure formed by the supporting walls 1 and the connecting walls 2, the inserting part group 31 is inserted into the connecting groove 11, and the assembly of the subway station model is completed.

[0035] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A mortise and tenon structure of a model of a subway station, comprising a support wall (1) and a connecting wall (2), characterized in that, The support wall (1) and the connecting wall (2) are connected to each other to form a rectangular structure, the support wall (1) is provided with a connecting groove (11), and the connecting wall (2) is provided with a connecting head (21) matched with the connecting groove (11). The support wall (1) is provided with a top plate (3), and the top plate (3) is connected with the support wall (1) and the connecting wall (2). The support wall (1) is provided with a top plate (3), and the top plate (3) is connected with the support wall (1) and the connecting wall (2).

2. The mortise and tenon structure of a subway station model according to claim 1, characterized in that: The connecting groove (11) is a dovetail groove, the connecting head (21) is a dovetail head, and the connecting head (21) and the connecting groove (11) are inserted to form a mortise and tenon structure.

3. The mortise and tenon structure of a subway station model according to claim 2, characterized in that: The lower end of the top plate (3) is fixedly provided with two groups of plug-in parts (31) matched with the connecting groove (11), the plug-in part group (31) includes two dovetail-shaped plug-in parts, and the two plug-in parts are respectively inserted into the connecting grooves (11) on the two support walls (1).

4. The mortise and tenon structure of a subway station model according to claim 1, characterized in that: The two support walls (1) are provided with a reinforcing beam (4), the upper end of the reinforcing beam (4) is in contact with the top plate (3), and the two sides of the reinforcing beam (4) are provided with plug-in parts (5) matched with the support wall (1).

5. The mortise and tenon structure of a subway station model according to claim 4, characterized in that: The plug-in part (5) is fixedly provided with a plug-in column (51), the support wall (1) is provided with a plug-in groove corresponding to the plug-in column (51), the plug-in column (51) is a dovetail column, and the plug-in groove is a dovetail groove.

6. The mortise and tenon structure of a subway station model according to claim 5, characterized in that: The plug-in part (5) is further provided with a support groove (52), the reinforcing beam (4) is arranged in the support groove (52), the support groove (52) is provided with a positioning groove, and the lower end of the reinforcing beam (4) is fixedly provided with a positioning block (41) matched with the positioning groove.

7. The mortise and tenon structure of a subway station model according to claim 1, characterized in that: The gap between the support wall (1) and the connecting wall (2) is provided with a water-impermeable sponge tape.

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