Joint structure of prefabricated assembled tunnel

Abstract

The utility model relates to the technical field of tunnel joint structures, and discloses a prefabricated assembly type tunnel joint structure which comprises a first splicing ring, the front face of the first splicing ring is in threaded connection with a fixing ring, a second splicing ring is welded to the front face of the fixing ring, and a first limiting block is welded to the surface of the fixing ring. And a mounting hole is formed in the second splicing ring. According to the utility model, the mounting lug on the surface of the second splicing ring is matched with the limiting clamping ring and the mounting groove on the surface, so that the mounting lug is slidably mounted on the surface of the second splicing ring; a second limiting block and a third limiting block on the surface of a limiting clamping ring are matched with a limiting screw rod in the limiting clamping ring to be matched with a limiting clamping plate for threaded rotation to be mounted in a first limiting block and a mounting hole on the surface of a fixing ring; and the first splicing ring, the fixing ring, the second splicing ring and the limiting clamping ring can be connected, operation convenience during fixing and mounting is achieved, and stability after connection is achieved for mounting and dismounting of equipment by workers.

Description

Technical Field

[0001] The utility model relates to the technical field of joint structures of tunnels, in particular to a joint structure of a prefabricated assembled tunnel. Background Art

[0002] As a modern construction technology, prefabricated tunnels have been widely used in the field of underground engineering with their advantages of high efficiency, environmental protection and controllable quality. The joint structure of prefabricated tunnels is the key to ensuring the overall performance of the tunnel. It involves many aspects such as structural strength, waterproof performance, and construction convenience. The joint structure construction technology of prefabricated tunnels covers many links from the production, transportation, lifting of prefabricated components to the final joint connection. The joint structure design and construction of prefabricated tunnels is a complex system engineering, which involves knowledge in many fields such as structural mechanics, materials science, and waterproofing technology.

[0003] The existing prefabricated assembled tunnel joint structure is not convenient for the workers to install and disassemble it conveniently when the workers install and fix it to a suitable position, which affects the convenience of the workers to operate the overall installation of the equipment. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a joint structure of a prefabricated assembled tunnel.

[0005] The utility model is implemented by the following technical scheme: a joint structure of a prefabricated assembled tunnel, comprising a first splicing ring, a fixing ring is threadedly connected to the front of the first splicing ring, a second splicing ring is welded to the front of the fixing ring, and a first limit block is welded to the surface of the fixing ring;

[0006] A mounting hole is provided inside the second splicing ring, and the internal thread of the mounting hole is connected to a limiting screw. A mounting protrusion is welded on the surface of the second splicing ring, and the surface of the mounting protrusion is slidably connected to a limiting clamping ring. A mounting groove is provided inside the limiting clamping ring, and a second limiting block is welded on the surface of the limiting clamping ring. The internal thread of the second limiting block is connected to the limiting screw, and the surface of the limiting screw is threadedly connected to the limiting clamping plate. A third limiting block is welded on the surface of the limiting clamping ring, and the internal thread of the third limiting block is connected to the limiting screw.

[0007] Through the above technical solution, the number of the limiting screws is set to be several, which can ensure the stability of the connection and fixation between the limiting clamping ring and the fixing ring.

[0008] As a further improvement of the above solution, the first limit blocks are symmetrically distributed with the fixing ring as the center, the mounting holes are symmetrically distributed with the first limit blocks as the center, and the internal threads of the first limit blocks are connected to the limit screw.

[0009] As a further improvement of the above solution, the limit screw is symmetrically distributed with the first limit block as the center, the second limit block is symmetrically distributed with the limit clamping ring as the center, and the third limit block is symmetrically distributed with the limit clamping ring as the center.

[0010] Through the above technical solution, the number of the installation grooves is set to be several, and the limiting clamp ring can cooperate with the installation groove to connect and fix the internal installation protrusion and the second splicing ring.

[0011] As a further improvement of the above solution, a limiting screw is provided on the surface of the limiting clamp ring, the limiting clamp plates are symmetrically distributed around the limiting clamp ring, and the mounting protrusions are symmetrically distributed around the second splicing ring.

[0012] As a further improvement of the above solution, a mounting protrusion is slidably connected inside the limiting clamp ring, and the mounting grooves are symmetrically distributed with the limiting clamp ring as the center.

[0013] As a further improvement of the above solution, a first splicing ring is provided at the rear end of the second splicing ring.

[0014] As a further improvement of the above solution, a third limiting block is arranged on the front side of the second splicing ring, and a second limiting block is arranged on the front side of the third limiting block.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model provides an installation protrusion on the surface of the second splicing ring to cooperate with the limiting clamping ring and the installation groove on the surface to slide the installation to the surface of the second splicing ring, and then cooperate with the second limiting block and the third limiting block on the surface of the limiting clamping ring to cooperate with the internal limiting screw and the limiting clamping plate to threadably rotate and install to the first limiting block on the surface of the fixing ring and the inside of the installation hole, which can facilitate the operation of connecting, fixing and installing the first splicing ring, the fixing ring, the second splicing ring and the limiting clamping ring, and bring stability after the connection is completed for the staff to install and disassemble the equipment.

[0017] The utility model provides a second limit block and a third limit block on the surface of the limit clamp ring, which can cooperate with the limit screw to be installed to the first limit block on the surface of the fixing ring and the inside of the mounting hole, so as to ensure the stability of the connection and fixation between the limit clamp ring, the second splicing ring and the fixing ring by the staff. By providing the first splicing ring and the second splicing ring, it is convenient for the staff to connect and fix the double heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2This is a schematic diagram of the anatomical structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the disassembly structure of the limit clamp ring of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the limit clamp ring of the utility model.

[0023] Description of main symbols:

[0024] 1. First splicing ring; 2. Fixed ring; 3. Second splicing ring; 4. First limit block; 5. Limit clamping ring; 6. Second limit block; 7. Limit clamping plate; 8. Limit screw; 9. Third limit block; 10. Installation groove; 11. Installation protrusion; 12. Installation hole. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] Example:

[0027] Please combine Figure 1-5 A prefabricated assembled tunnel joint structure of this embodiment includes a first splicing ring 1, a fixing ring 2 is threadedly connected to the front of the first splicing ring 1, a second splicing ring 3 is welded to the front of the fixing ring 2, and a first limit block 4 is welded to the surface of the fixing ring 2;

[0028] The second splicing ring 3 is provided with a mounting hole 12 inside, the mounting hole 12 is internally threadedly connected to a limiting screw 8, a mounting protrusion 11 is welded on the surface of the second splicing ring 3, the surface of the mounting protrusion 11 is slidably connected to a limiting clamping ring 5, a mounting groove 10 is provided inside the limiting clamping ring 5, a second limiting block 6 is welded on the surface of the limiting clamping ring 5, the second limiting block 6 is internally threadedly connected to a limiting screw 8, the surface of the limiting screw 8 is threadedly connected to a limiting clamping plate 7, a third limiting block 9 is welded on the surface of the limiting clamping ring 5, the third limiting block 9 is internally threadedly connected to a limiting screw 8, by setting the first The mounting protrusion 11 on the surface of the second splicing ring 3 cooperates with the limiting snap ring 5 and the mounting groove 10 on the surface to be slidably installed to the surface of the second splicing ring 3, and then cooperates with the second limiting block 6 and the third limiting block 9 on the surface of the limiting snap ring 5 to cooperate with the internal limiting screw 8 and the limiting clamping plate 7 to threadably rotate and install to the first limiting block 4 on the surface of the fixing ring 2 and the inside of the mounting hole 12, which can facilitate the operation of connecting, fixing and installing the first splicing ring 1, the fixing ring 2, the second splicing ring 3 and the limiting snap ring 5, and brings stability after the connection is completed for the staff to install and disassemble the equipment.

[0029] The number of the limiting screws 8 is set to be several, which can ensure the stability of the connection and fixation between the limiting clamp ring 5 and the fixing ring 2.

[0030] The first limit blocks 4 are symmetrically distributed with the fixing ring 2 as the center, the mounting holes 12 are symmetrically distributed with the first limit blocks 4 as the center, and the internal threads of the first limit blocks 4 are connected with the limit screw 8 .

[0031] The limiting screw 8 is symmetrically distributed with the first limiting block 4 as the center, the second limiting block 6 is symmetrically distributed with the limiting clamp ring 5 as the center, and the third limiting block 9 is symmetrically distributed with the limiting clamp ring 5 as the center.

[0032] The number of the mounting grooves 10 is set to be several, and the limiting clamp ring 5 and the mounting grooves 10 can cooperate with each other to connect and fix the internal mounting protrusions 11 and the second splicing ring 3 .

[0033] A limiting screw 8 is arranged on the surface of the limiting clamp ring 5 , the limiting clamp plates 7 are symmetrically distributed around the limiting clamp ring 5 , and the mounting protrusions 11 are symmetrically distributed around the second splicing ring 3 .

[0034] The internal sliding connection of the limiting clamp 5 is provided with an installation protrusion 11, and the installation groove 10 is symmetrically distributed with the limiting clamp 5 as the center. By setting the second limiting block 6 and the third limiting block 9 on the surface of the limiting clamp 5, it can cooperate with the limiting screw 8 to be installed to the first limiting block 4 on the surface of the fixing ring 2 and the inside of the installation hole 12, so as to ensure the stability of the connection and fixation between the limiting clamp 5, the second splicing ring 3 and the fixing ring 2 by the staff. By setting the first splicing ring 1 and the second splicing ring 3, it is convenient for the staff to connect and fix the double heads.

[0035] The first splicing ring 1 is arranged at the rear end of the second splicing ring 3 .

[0036] A third limiting block 9 is arranged on the front side of the second splicing ring 3 , and a second limiting block 6 is arranged on the front side of the third limiting block 9 .

[0037] The implementation principle of a joint structure of a prefabricated assembled tunnel in the embodiment of the present application is as follows: place the equipment in a suitable position, and slide the installation to the surface of the second splicing ring 3 by setting the installation protrusion 11 on the surface of the second splicing ring 3 to cooperate with the limiting clamping ring 5 and the installation groove 10 on the surface, and then cooperate with the second limiting block 6 and the third limiting block 9 on the surface of the limiting clamping ring 5 to cooperate with the internal limiting screw 8 and the limiting clamping plate 7 to threadably rotate and install to the first limiting block 4 on the surface of the fixing ring 2 and the inside of the installation hole 12, so that the first splicing ring 1, the fixing ring 2, and the second splicing ring 3 can be connected. The convenience of operation during connection, fixing and installation between the ring 3 and the limit clamp 5 brings stability after the connection is completed for the staff to install and disassemble the equipment. By setting the second limit block 6 and the third limit block 9 on the surface of the limit clamp 5, they can be installed in conjunction with the limit screw 8 to the first limit block 4 on the surface of the fixing ring 2 and the inside of the mounting hole 12, which can ensure the stability of the staff during connection and fixing between the limit clamp 5, the second splicing ring 3 and the fixing ring 2. By setting the first splicing ring 1 and the second splicing ring 3, it is convenient for the staff to connect and fix the double heads.

[0038] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A joint structure of a prefabricated assembled tunnel, comprising a first splicing ring (1), a fixing ring (2) being threadedly connected to the front of the first splicing ring (1), a second splicing ring (3) being welded to the front of the fixing ring (2), and a first limit block (4) being welded to the surface of the fixing ring (2); It is characterized in that The second splicing ring (3) is provided with a mounting hole (12) inside, the mounting hole (12) is internally threadedly connected to a limit screw (8), the surface of the second splicing ring (3) is welded with a mounting protrusion (11), the surface of the mounting protrusion (11) is slidably connected to a limit clamping ring (5), the interior of the limit clamping ring (5) is provided with a mounting groove (10), the surface of the limit clamping ring (5) is welded with a second limit block (6), the interior of the second limit block (6) is threadedly connected to the limit screw (8), the surface of the limit screw (8) is threadedly connected to a limit clamping plate (7), the surface of the limit clamping ring (5) is welded with a third limit block (9), the interior of the third limit block (9) is threadedly connected to the limit screw (8).

2. A joint structure of a prefabricated assembled tunnel as claimed in claim 1, characterized in that: The first limit block (4) is symmetrically distributed with the fixing ring (2) as the center, the mounting hole (12) is symmetrically distributed with the first limit block (4) as the center, and the internal thread of the first limit block (4) is connected to the limit screw (8).

3. The joint structure of a prefabricated assembled tunnel as claimed in claim 1, characterized in that: The limiting screw (8) is symmetrically distributed with the first limiting block (4) as the center, the second limiting block (6) is symmetrically distributed with the limiting clamping ring (5) as the center, and the third limiting block (9) is symmetrically distributed with the limiting clamping ring (5) as the center.

4. A joint structure of a prefabricated assembled tunnel as claimed in claim 3, characterized in that: A limiting screw (8) is arranged on the surface of the limiting clamp ring (5), the limiting clamp plate (7) is symmetrically distributed with the limiting clamp ring (5) as the center, and the mounting protrusion (11) is symmetrically distributed with the second splicing ring (3) as the center.

5. The joint structure of a prefabricated assembled tunnel according to claim 1, characterized in that: The interior of the limiting clamp ring (5) is slidably connected with a mounting protrusion (11), and the mounting grooves (10) are symmetrically distributed with the limiting clamp ring (5) as the center.

6. A joint structure of a prefabricated assembled tunnel as claimed in claim 5, characterized in that: A first splicing ring (1) is provided at the rear end of the second splicing ring (3).

7. A joint structure of a prefabricated assembled tunnel as claimed in claim 6, characterized in that: A third limiting block (9) is arranged on the front side of the second splicing ring (3), and a second limiting block (6) is arranged on the front side of the third limiting block (9).

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