Shield connecting node of shield tunneling machine

Abstract

The utility model discloses a shield connecting node of a shield tunneling machine, which relates to the technical field of shield tunneling machine accessories and comprises a mounting plate, and two connecting seats are symmetrically arranged above the mounting plate. The mounting plate is arranged, the two connecting seats are arranged above the mounting plate, and the connecting seats can be connected with the connecting lugs fixed on the inner side of the shield body through the locking bolts, so that connection between the device and the shield body is realized; the positions between the shield bodies and the mounting plate can be adjusted through the attaching plates, so that adjustment of the device in the expanding, tensioning and storage states can be achieved, when the device is expanded, the position between every two adjacent shield bodies can be fixed, when the device is stored, the two adjacent shield bodies can move inwards along with the device, and therefore the shield bodies can be fixed. Therefore, the shield body can be mounted and dismounted in a narrow space.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machine accessories, and particularly relates to a shield connection node of a shield machine. Background Technique

[0002] The shield of a shield machine is a main part of the shield machine. The shield is mainly used to protect the main drive and hydraulic propulsion device of the shield machine. The shield is composed of a top shield, a bottom shield, left / right shields, left / right overlapping shields and an outer shield. The main function of the shield is to bear the bottom pressure, play a protective role, protect the safety of the equipment and operators, bear the horizontal thrust of the jacks, enable the shield machine drive to advance in the soil layer, and at the same time it is the skeleton and foundation of each mechanism of the shield machine. The shield is located at the front end of the shield machine, with a cylindrical structure, surrounding the main drive in a circle, and is connected to the main drive through connecting pins, bolts and hydraulic cylinders.

[0003] The traditional shield of a shield machine is only installed through connecting pins and bolts. Although this installation method is relatively simple, it has high requirements for the installation environment. When the shield machine is in the tunnel, since the outside of the shield is blocked by rocks and soil, it is inconvenient to install and disassemble the shield.

[0004] Therefore, it is very necessary to invent a shield connection node of a shield machine to solve the above problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a shield connection node of a shield machine to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A shield connection node of a shield machine, including a mounting plate, two connecting seats are arranged above the mounting plate, and the two connecting seats are symmetrically arranged. Both ends of each connecting seat are movably provided with movable arms through pin shafts, and the bottom ends of the movable arms are movably connected to the outside of the mounting plate through pin shafts. Mounting screw holes are penetrated through both ends of the outer side wall of the connecting seat, a locking bolt is penetrated through the inside of the mounting screw hole, a connecting ear is sleeved outside the locking bolt, a shield body is arranged above the mounting plate, the connecting ear is fixedly arranged at one end of the inner side wall of the shield body, a fitting plate is arranged above the mounting plate, and the fitting plate is in contact with the inner side wall of the shield body. A threaded groove is penetrated through the middle of the mounting plate, an adjusting screw rod is penetrated through the inside of the threaded groove, and the top end of the adjusting screw rod is movably arranged at the middle of the lower surface of the fitting plate through a bearing.

[0007] Preferably, jack holes are penetrated through both ends of the lower surface of the mounting plate, plug rods are penetrated through the inside of the jack holes, and the top ends of the plug rods are fixedly arranged at the lower surface of the fitting plate. [[ID=2,7]]

[0008] Preferably, a groove is formed in the middle of the top end of the outer side wall of the connecting seat, and two rotating blocks are arranged inside the groove, and the two rotating blocks are respectively fixedly arranged at one end of the two locking bolts.

[0009] Preferably, a positioning pin hole is formed through one end of the locking bolt, and a positioning pin rod is arranged through the positioning pin hole.

[0010] Preferably, mounting brackets are fixedly arranged at both ends of the lower surface of the mounting plate, and fixing seats are fixedly arranged at the bottom ends of the mounting brackets.

[0011] Preferably, mounting holes are formed through both ends of the upper surface of the fixing seat.

[0012] The technical effects and advantages of the present utility model are as follows:

[0013] 1. By providing a mounting plate in the present utility model, two connecting seats are arranged above the mounting plate, and the connecting seats can be connected to the connecting ears fixed inside the shield body through locking bolts to realize the connection between the device and the shield body. By providing a fitting plate above the mounting plate, the fitting plate can adjust the position between the shield body and the mounting plate, so as to realize the adjustment of the device in the expanded and tightened state and the retracted state. When the device is expanded, the positions between adjacent shield bodies can be fixed, and when the device is retracted, the adjacent shield bodies can move inward accordingly to realize the installation and disassembly of the shield body in a narrow space;

[0014] 2. By providing a connecting seat in the present utility model, mounting screw holes are arranged at both ends of the connecting seat, and locking bolts are arranged in the mounting screw holes. The locking bolts are used to realize the connection between the connecting seat and the shield body. By providing a groove at the outer top end of the connecting seat, the position of the locking bolt can be adjusted by rotating the rotating block in the groove, so as to realize the connection and disassembly between the connecting seat and the shield body, and the operation process is carried out in the groove without being affected by the narrow external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model.

[0016] Figure 2 is a front schematic diagram of the overall structure of the present utility model.

[0017] Figure 3 is a schematic diagram of the structure of the mounting plate of the present utility model.

[0018] In the figure: 1. mounting plate; 2. connecting seat; 3. movable arm; 4. mounting screw hole; 5. locking bolt; 6. connecting ear; 7. shield body; 8. fitting plate; 9. threaded groove; 10. adjusting screw; 11. jack; 12. plug rod; 13. groove; 14. rotating block; 15. positioning pin hole; 16. positioning pin rod; 17. mounting bracket; 18. fixed seat. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] The present invention provides a shield connection node of a shield machine as shown in Figures 1-3 which includes a mounting plate 1. Above the mounting plate 1, there are two connecting seats 2, and the two connecting seats 2 are symmetrically arranged. Both ends of the connecting seat 2 are movably provided with movable arms 3 through pins, and the bottom end of the movable arm 3 is movably connected to the outside of the mounting plate 1 through a pin. Through holes are provided through both ends of the outer side wall of the connecting seat 2, and a locking bolt 5 is provided through the inside of the mounting screw hole 4. A connecting ear 6 is sleeved outside the locking bolt 5. Above the mounting plate 1, there is a shield body 7, and the connecting ear 6 is fixedly arranged at one end of the inner side wall of the shield body 7;

[0021] Specifically, a fitting plate 8 is provided above the mounting plate 1, and the fitting plate 8 is in contact with the inner side wall of the shield body 7. A threaded groove 9 is provided through the middle of the mounting plate 1, and an adjusting screw 10 is provided through the inside of the threaded groove 9. The top end of the adjusting screw 10 is movably provided through a bearing at the middle of the lower surface of the fitting plate 8. The adjusting screw 10 can adjust the position between the mounting plate 1 and the fitting plate 8;

[0022] More specifically, through holes 11 are provided through both ends of the lower surface of the mounting plate 1, and plug rods 12 are provided through the inside of the through holes 11. The top end of the plug rod 12 is fixedly arranged on the lower surface of the fitting plate 8. The cooperation of the through holes 11 and the plug rods 12 can ensure the stability of the movement between the mounting plate 1 and the fitting plate 8;

[0023] Moreover, a groove 13 is provided in the middle of the top end of the outer side wall of the connecting seat 2. Two rotating blocks 14 are provided inside the groove 13, and the two rotating blocks 14 are respectively fixedly arranged at one end of the two locking bolts 5. A positioning pin hole 15 is provided through one end of the locking bolt 5, and a positioning pin rod 16 is provided through the inside of the positioning pin hole 15. The setting of the positioning pin rod 16 can play an insurance role between the locking bolt 5 and the connecting ear 6;

[0024] Moreover, mounting brackets 17 are fixedly arranged at both ends of the lower surface of the mounting plate 1. Fixed seats 18 are fixedly arranged at the bottom ends of the mounting brackets 17. Mounting holes penetrate through both ends of the upper surface of the fixed seats 18. Bolts can be inserted into the mounting holes to realize the connection between the device and the main drive of the shield machine.

[0025] Working principle of the utility model:

[0026] When the device is in use, first, the mounting plate 1 is fixed on the outside of the main drive of the shield machine through the mounting brackets 17 and the fixed seats 18. Then, the two shield bodies 7 to be spliced are respectively placed on both sides above the mounting plate 1, and the connecting ears 6 inside the shield bodies 7 are made to correspond to the connecting seats 2. Then, the rotating block 14 is rotated, so that the rotating block 14 drives the locking bolt 5 to move until the locking bolt 5 is inserted into the inside of the connecting ear 6. Then, the positioning pin rod 16 is inserted into the positioning pin hole 15, and the connection between the connecting seat 2 and the shield body 7 can be completed. By rotating the adjusting screw rod 10, the adjusting screw rod 10 drives the fitting plate 8 to move until the fitting plate 8 is in contact with the inner side wall of the shield body 7. Continuing to rotate the adjusting screw rod 10, at this time, the adjusting screw rod 10 can adjust the position between the fitting plate 8 and the mounting plate 1, and make the mounting plate 1 move away from the shield body 7. The mounting plate 1 pulls the connecting seat 2 through the movable arm 3, so that the two connecting seats 2 approach each other, and the connecting seat 2 can drive the shield body 7 to move, so that the two shield bodies 7 are spliced. Thus, the installation of the shield body 7 can be completed.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A shield connection node of a shield machine, including a mounting plate (1), characterized in that: Above the mounting plate (1), there are two connecting seats (2) which are symmetrically arranged. Both ends of each connecting seat (2) are movably provided with movable arms (3) through pin shafts, and the bottom ends of the movable arms (3) are movably connected to the outer side of the mounting plate (1) through pin shafts. Through holes for mounting screws (4) are respectively arranged at both ends of the outer side wall of the connecting seat (2). A locking bolt (5) is arranged through the interior of the mounting screw hole (4). A connecting ear (6) is sleeved on the outer side of the locking bolt (5). Above the mounting plate (1), there is a shield body (7). The connecting ear (6) is fixedly arranged at one end of the inner side wall of the shield body (7). Above the mounting plate (1), there is a fitting plate (8) which is in contact with the inner side wall of the shield body (7). A threaded groove (9) is arranged through the middle of the mounting plate (1). An adjusting screw rod (10) is arranged through the interior of the threaded groove (9), and the top end of the adjusting screw rod (10) is movably arranged at the middle of the lower surface of the fitting plate (8) through a bearing.

2. The shield connection node of a shield machine according to claim 1, characterized in that: Through holes (11) are respectively arranged at both ends of the lower surface of the mounting plate (1). A plug rod (12) is arranged through the interior of the through hole (11), and the top end of the plug rod (12) is fixedly arranged at the lower surface of the fitting plate (8).

3. The shield connection node of a shield machine according to claim 2, characterized in that: A groove (13) is formed in the middle of the top end of the outer side wall of the connecting seat (2). Two rotating blocks (14) are arranged in the groove (13), and the two rotating blocks (14) are respectively fixedly arranged at one end of the two locking bolts (5).

4. The shield connection node of a shield machine according to claim 3, characterized in that: A positioning pin hole (15) is arranged through one end of the locking bolt (5). A positioning pin rod (16) is arranged through the interior of the positioning pin hole (15).

5. A shield connection node of a shield machine according to claim 4, characterized in that: Mounting brackets (17) are respectively fixedly arranged at both ends of the lower surface of the mounting plate (1). A fixing seat (18) is fixedly arranged at the bottom end of the mounting bracket (17).

6. The shield connection node of a shield machine according to claim 5, characterized in that: Mounting holes are respectively arranged through both ends of the upper surface of the fixing seat (18).

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