Offshore shield tunneling bearing device

Abstract

The utility model relates to the technical field of shield tunneling, in particular to an offshore shield tunneling bearing device which comprises a bottom frame and a bearing block, the bearing block acts on the surface of the bottom frame, the surface of the bottom frame is connected with a placing plate in an abutting mode, the surface of the bottom frame is fixedly connected with a connecting plate, and an electric air cylinder is placed on the surface of the connecting plate. An inserting block is fixedly connected to one end of the bearing block, an inserting groove is formed in the other end of the bearing block, a storage bin and a flow guide bin are formed in the bearing block, and a sealing plug is connected to the inner side of the storage bin in an inserted mode. Under the action of the connecting rod, the limiting and supporting effect on the acting position of the connecting block in the connecting frame is achieved, then the placing and supporting effect on the position of the electric air cylinder on the connecting plate is achieved, the using effect and performance of the bearing block are improved, under the action of the lubricating rotating ball, the sliding lubricating effect between the inserting block and the inserting groove is achieved, and the service life of the inserting block is prolonged. And the sliding operation performance between the bearing blocks is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machines, in particular to an offshore shield tunnel exit supporting device. Background Art

[0002] After the construction of the shield machine is completed, it is necessary to receive the shield machine components at sea. Since there is a certain height difference between the bottom plate of the shield machine receiving shaft and the shield machine exit position, and the elevations of the left and right shield tunnels are different, a supporting device is required after the shield machine exits the tunnel. However, the existing supporting device has a constant effective height. During installation and use, the height is manufactured and used according to the data measured in advance. The device cannot be adjusted to any height. Once any accident occurs, the scope of construction use and performance will be affected. Utility Model Content

[0003] The purpose of the utility model is to provide an offshore shield tunnel exit support device to solve the problem proposed in the above-mentioned background technology that during installation and use, the height is manufactured and used according to the data measured in advance, and the device cannot be adjusted to any height. Once any accident occurs, the scope of construction use and performance are affected.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an offshore shield tunneling support device, comprising a base frame and a support block, the support block acts on the surface of the base frame, the surface of the base frame is abutted and connected with a placement plate, the surface of the base frame is fixedly connected with a connecting plate, the surface of the connecting plate is placed with an electric cylinder, one end of the support block is fixedly connected with an insertion block, the other end of the support block is provided with a slot, a storage bin and a diversion bin are provided inside the support block, the inner side of the storage bin is plugged and connected with a sealing plug, the inner side of the diversion bin is movably connected with a lubricating rotating ball, the surface of the connecting plate is fixedly connected with a connecting frame, the surface of the electric cylinder is fixedly connected with a connecting block, the surface of the connecting frame is provided with an action groove, the surface of the connecting frame is provided with a screw groove, the inner side of the action groove is plugged and connected with a baffle, the surface of the baffle is provided with a connecting hole, and the inner side of the connecting hole is connected with a connecting rod through a thread.

[0005] Preferably, the supporting blocks are distributed in two groups on both sides of the base frame, the supporting blocks act on both sides of the placement plate through the base frame, and the supporting blocks are slidably connected through plug blocks and slots.

[0006] Preferably, the cross-sections of the insert block and the slot are in a "T" shape, the storage bin and the diversion bin are connected by a passage, and the storage bin and the diversion bin are vertically distributed inside the supporting block.

[0007] Preferably, the sealing plug is cylindrical in shape, the material of the sealing plug is rubber, and the lubricating beads are evenly distributed on the inner side of the slot.

[0008] Preferably, the connecting plates are arranged in two groups and are oppositely distributed on both sides of the base frame, and the connecting blocks are arranged in two groups and are fixedly connected to both sides of the bottom end of the electric cylinder.

[0009] Preferably, the cross section of the connecting frame is in an "L" shape, the connecting block and the connecting frame are plug-in and slidably connected, and the action groove is in a long groove shape and is opened through the surface of the connecting frame.

[0010] Preferably, the cross section of the baffle is in an "L" shape, the baffle passes through the surface of the connecting frame through the action groove, and the connecting rod passes through the connecting hole and the screw groove for threaded connection.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Through the connection between the base frame and the supporting block, under the connection between the base frame and the connecting plate, through the connection between the connecting plate and the connecting frame, through the connection between the electric cylinder and the connecting block, and the plug-in connection between the connecting block and the connecting frame, the limited support effect of the action position of the electric cylinder on the connecting plate is achieved. Under the action of the electric cylinder, the effect of regulating the action height of the supporting block on the base frame is achieved. Under the plug-in connection of the baffle plate and the action groove, through the action of the connecting rod, the limited support effect of the action position of the connecting block in the connecting frame is achieved, thereby achieving the placement support effect of the electric cylinder on the connecting plate, and improving the use effect and performance of the supporting block.

[0013] 2. Through the connection between the supporting block and the storage bin, under the action of the storage bin and the guide bin, the storage operation of the lubricating oil is facilitated. Through the rotational connection between the lubricating ball and the guide bin, under the action of the lubricating ball, the sliding lubrication effect between the plug block and the slot is achieved, thereby improving the sliding operation performance between the supporting blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a three-dimensional schematic diagram of the local structure of the utility model;

[0016] Figure 3 It is a three-dimensional exploded schematic diagram of the structure of the support block of the utility model;

[0017] Figure 4 It is a partial cross-sectional three-dimensional schematic diagram of the structure of the support block of the utility model;

[0018] Figure 5 It is a partial three-dimensional exploded schematic diagram of the connection structure of the connection plate and the electric cylinder of the utility model;

[0019] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. base frame; 2. supporting block; 21. plug block; 22. slot; 23. sealing plug; 24. storage bin; 25. guide bin; 26. lubricating bead; 3. placement plate; 4. connecting plate; 5. electric cylinder; 6. connecting block; 7. connecting frame; 71. action groove; 72. screw groove; 73. baffle; 74. connecting hole; 75. connecting rod. DETAILED DESCRIPTION

[0021] See also Figure 1-6 , an embodiment provided by the utility model:

[0022] A shield tunneling support device for offshore tunneling comprises a base frame 1 and a support block 2, wherein the support block 2 acts on the surface of the base frame 1, a placement plate 3 is abutted and connected to the surface of the base frame 1, a connecting plate 4 is fixedly connected to the surface of the base frame 1, an electric cylinder 5 is placed on the surface of the connecting plate 4, an insert block 21 is fixedly connected to one end of the support block 2, a slot 22 is provided at the other end of the support block 2, a storage bin 24 and a diversion bin 25 are provided inside the support block 2, a sealing plug 23 is plugged and connected to the inner side of the storage bin 24, a lubricating rotating bead 26 is movably connected to the inner side of the diversion bin 25, a connecting frame 7 is fixedly connected to the surface of the connecting plate 4, and a connecting block 6 is fixedly connected to the surface of the electric cylinder 5 A working groove 71 is provided on the surface of the connecting frame 7, a screw groove 72 is provided on the surface of the connecting frame 7, a baffle plate 73 is plugged and connected to the inner side of the working groove 71, a connecting hole 74 is provided on the surface of the baffle plate 73, and a connecting rod 75 is threadedly connected to the inner side of the connecting hole 74. Through the connection between the base frame 1 and the supporting block 2, under the connection between the electric cylinder 5 and the connecting plate 4, a screw hole is provided on the surface where the supporting block 2 and the output end of the electric cylinder 5 contact, the output shaft of the electric cylinder 5 and the supporting block 2 are connected by the screw and the screw hole, and the disassembly operation of the electric cylinder 5 on the connecting plate 4 is convenient. Under the action of the placing plate 3, it is convenient to receive and use the mud and sand brought out by the shield machine.

[0023] Furthermore, the supporting blocks 2 are distributed in two groups on both sides of the base frame 1. The supporting blocks 2 act on both sides of the placement plate 3 through the base frame 1. The supporting blocks 2 are slidably connected through the plug blocks 21 and the slots 22. Through the action of the supporting blocks 2, the supporting effect of the shield machine exiting the hole is achieved.

[0024] Furthermore, the cross-section of the plug block 21 and the slot 22 is in a "T" shape, the storage bin 24 and the diversion bin 25 are connected by a passage, the storage bin 24 and the diversion bin 25 are vertically distributed inside the supporting block 2, and through the connection between the supporting block 2 and the plug block 21, and the connection between the slot 22 and the supporting block 2, under the sliding connection between the plug block 21 and the slot 22, a connection sliding effect between the supporting blocks 2 is achieved.

[0025] Furthermore, the sealing plug 23 is cylindrical in shape and is made of rubber. The lubricating beads 26 are evenly distributed on the inner side of the slot 22. The sealing plug 23 and the storage bin 24 are plugged together. Under the action of the storage bin 24 and the guide bin 25, the lubricating oil is stored. Under the action of the lubricating beads 26, the lubrication operation effect of the plug 21 in the slot 22 is realized.

[0026] Furthermore, the connecting plates 4 are distributed in two opposite groups on both sides of the base frame 1, and the connecting blocks 6 are fixedly connected in two groups on both sides of the bottom end of the electric cylinder 5. Through the connection between the connecting plates 4 and the base frame 1, and the connection between the electric cylinder 5 and the connecting plates 4, the supporting and controlling effect of the action position of the electric cylinder 5 is achieved.

[0027] Furthermore, the cross-section of the connecting frame 7 is in an "L" shape, the connecting block 6 and the connecting frame 7 are plug-in and slidably connected, and the action groove 71 is in the shape of a long groove and penetrates through the surface of the connecting frame 7. Through the connection between the electric cylinder 5 and the connecting block 6, and the connection between the connecting frame 7 and the connecting plate 4, under the action of the connecting frame 7, the fixed support effect of the action position of the electric cylinder 5 on the connecting plate 4 is achieved.

[0028] Furthermore, the cross-section of the baffle 73 is in an "L" shape. The baffle 73 passes through the surface of the connecting frame 7 through the action groove 71. The connecting rod 75 passes through the connecting hole 74 and the screw groove 72 for threaded connection. Under the connection between the connecting frame 7 and the action groove 71, the baffle 73 and the action groove 71 are plugged into each other to achieve a limiting effect on the action position of the connecting block 6 in the connecting frame 7. Under the connection between the connecting rod 75 and the screw groove 72, a fixed support effect on the action position of the baffle 73 on the connecting frame 7 is achieved.

[0029] Working principle: When adjusting the height of the supporting block 2, place the electric cylinder 5 on the connecting plate 4, and limit the action position of the electric cylinder 5 on the connecting plate 4 under the insertion and sliding of the connecting block 6 and the connecting frame 7. Then insert the baffle 73 into the action groove 71, and connect the connecting rod 75 and the screw groove 72 to achieve the fixed support effect of the position of the connecting block 6 in the connecting frame 7. Under the connection between the supporting block 2 and the plug-in block 21, the sliding connection between the plug-in block 21 and the slot 22 facilitates the sliding operation between the supporting blocks 2. Under the rotational connection of the lubricating ball 26 and the guide bin 25, the lubrication operation of the plug-in block 21 in the slot 22 is achieved, which facilitates the segmented operation of the action height of the supporting block 2 and improves the performance and range of the supporting block 2.

Claims

1. An offshore shield tunneling support device, comprising a base frame and a support block, characterized in that: The supporting block acts on the surface of the base frame, the surface of the base frame is abutted and connected with a placement plate, the surface of the base frame is fixedly connected with a connecting plate, an electric cylinder is placed on the surface of the connecting plate, one end of the supporting block is fixedly connected with an insertion block, the other end of the supporting block is provided with a slot, the interior of the supporting block is provided with a storage bin and a guide bin, the inner side of the storage bin is plugged and connected with a sealing plug, the inner side of the guide bin is movably connected with a lubricating bead, the surface of the connecting plate is fixedly connected with a connecting frame, the surface of the electric cylinder is fixedly connected with a connecting block, the surface of the connecting frame is provided with an action groove, the surface of the connecting frame is provided with a screw groove, the inner side of the action groove is plugged and connected with a baffle, the surface of the baffle is provided with a connecting hole, and the inner side of the connecting hole is connected with a connecting rod through a thread.

2. The offshore shield tunneling support device according to claim 1, characterized in that: The supporting blocks are distributed in two groups on both sides of the base frame. The supporting blocks act on both sides of the placement plate through the base frame. The supporting blocks are slidably connected through insert blocks and slots.

3. The offshore shield tunneling support device according to claim 1, characterized in that: The cross-sections of the insert block and the slot are in a "T" shape, the storage bin and the diversion bin are connected by a passage, and the storage bin and the diversion bin are vertically distributed inside the supporting block.

4. The offshore shield tunneling support device according to claim 1, characterized in that: The sealing plug is cylindrical in shape, made of rubber, and the lubricating beads are evenly distributed on the inner side of the slot.

5. The offshore shield tunneling support device according to claim 1, characterized in that: The connecting plates are arranged in two groups and are oppositely distributed on both sides of the bottom frame, and the connecting blocks are arranged in two groups and are fixedly connected to both sides of the bottom end of the electric cylinder.

6. The offshore shield tunneling support device according to claim 1, characterized in that: The cross section of the connecting frame is in an "L" shape, the connecting block and the connecting frame are plug-in and slidably connected, and the action groove is in a long groove shape and penetrates through the surface of the connecting frame.

7. The offshore shield tunneling support device according to claim 1, characterized in that: The cross section of the baffle is in an "L" shape. The baffle passes through the surface of the connecting frame through the action groove, and the connecting rod passes through the connecting hole and the screw groove for threaded connection.

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