Isolating ring applied to hob of shield tunneling machine

Abstract

The utility model relates to the technical field of shield tunneling machines, and provides an isolating ring applied to a shield tunneling machine hob, which comprises a base ring, uniformly distributed movable grooves are arranged in the base ring, the middle of the inner wall of each movable groove is rotatably connected with a driving rod, one end of each driving rod is fixedly connected with a first bevel gear, and the other end of each driving rod is fixedly connected with a second bevel gear. The first bevel gear can be driven to rotate through the driving rod, the first bevel gear is in meshing transmission with the upper second bevel gear and the lower second bevel gear at the same time, the two threaded rods can be driven to rotate at the same time, and therefore the two threaded rods can be driven to rotate at the same time; through the transmission effect between a threaded rod and a threaded sleeve, a fixed plate can be driven to rotate in the opposite direction, so that two adjusting rings can be driven to move in the opposite direction relative to a base ring through a telescopic rod at the same time, the thickness of the whole isolating ring can be adjusted, deformation caused by extrusion after adjustment is avoided, and the service life of the isolating ring is prolonged. And the stability can be kept when being extruded.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shield machine technical field, specifically, relate to a kind of isolation ring applied to shield machine cutter. BACKGROUND

[0002] Shield machine, full name is shield tunnel boring machine or full-face tunnel boring machine, is a kind of tunnel boring machine using shield method, shield machine construction method is tunneling machine while laying tunnel support pipe piece, the machine has the characteristic of tunnel excavation completed once, excavation, advance, prop open all by it, can improve the efficiency of subway excavation 8 to 10 times.

[0003] After retrieval, the isolation ring applied to shield machine cutter of the application number CN222501734U is described, it includes base body, base body is circular, the outer periphery of base body is recessed to the inner periphery of base body and forms several avoidance grooves, each avoidance groove is around and is arranged on the outer periphery of base body, several avoidance grooves are distributed along the axial direction of base body, with the characteristics of improving the assembly efficiency of isolation ring.

[0004] However, the above-mentioned isolation ring still has the following problems: the isolation ring is deformed by extrusion, and the thickness of the isolation ring is adjusted, but after the isolation ring is extruded to a certain intensity, the isolation ring is continuously extruded, which changes the thickness of the isolation ring, thereby affecting the adjustment accuracy and making it inconvenient to assemble the isolation ring. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of isolation ring applied to shield machine cutter, solve the problem that the existing isolation ring is continuously deformed when being extruded and leads to poor accuracy.

[0006] The technical scheme of the utility model is as follows: a kind of isolation ring applied to shield machine cutter, including base ring, the inside of the base ring is provided with uniformly distributed movable slot, the middle part of the inner wall of the movable slot is rotatably connected with drive rod, one end of the drive rod is fixedly connected with first bevel gear, the inner wall of the movable slot is provided with support assembly that can support drive rod;

[0007] The upper and lower inner walls of the movable slot are slidably connected with telescopic rod, and the telescopic rod is fixedly connected with adjusting ring on the upper and lower sides of the base ring.

[0008] Preferably, the support assembly includes a support frame, the support frame is fixedly connected to the middle part of the inner wall of the movable slot, the inside of the support frame is rotatably connected with a limiting block, and one end of the drive rod is fixedly connected with the limiting block through the support frame.

[0009] Preferably, the middle part of the upper and lower inner walls of the movable groove is fixedly connected with a movable seat, the inside of the movable seat is rotationally connected with a threaded rod, and one end of the threaded rod is fixedly connected with a second bevel gear.

[0010] Preferably, the second bevel gear is located on the upper and lower sides of the first bevel gear, and the second bevel gears are meshingly connected with the first bevel gear.

[0011] Preferably, one side of the threaded rod is threadedly connected with a threaded sleeve, one side of the threaded sleeve is fixedly connected with a fixed plate, and the other side of the fixed plate is fixedly connected with one end of the telescopic rod.

[0012] Preferably, the upper and lower inner walls of the movable groove are fixedly connected with a limiting sleeve, and one end of the telescopic rod is slidingly connected in the inside of the limiting sleeve.

[0013] Preferably, one side of the base ring is rotationally connected with an adjusting block, one side of the adjusting block is provided with a connecting clamping groove, and one end of the adjusting block is fixedly connected with the limiting block through the base ring.

[0014] The utility model discloses a beneficial effect is:

[0015] In the utility model, the driving rod can drive the first bevel gear to rotate by rotating the adjusting block, the first bevel gear is simultaneously meshingly connected with the upper and lower second bevel gears, can drive two threaded rods to rotate, can drive the fixed plate to rotate to the opposite direction through the transmission effect between the threaded rod and the threaded sleeve, thereby, the telescopic rod can drive two adjusting rings to move to the opposite direction of the base ring, can adjust the thickness of the whole isolation ring, and will not be deformed after adjusting, can keep stable when being extruded. ACCURACY OF DRAWINGS

[0016] The utility model makes further detailed explanation in combination with the drawings and specific embodiment.

[0017] Figure 1 The structure schematic view for the utility model is provided.

[0018] Figure 2 The internal structure schematic view for the utility model is provided.

[0019] Figure 3 The support assembly structure schematic view for the utility model is provided. Figure 1 The enlarged structure schematic view of the middle A of the utility model is provided.

[0020] Figure 4 The support assembly structure schematic view for the utility model is provided.

[0021] In the figure: 1, base ring; 2, adjusting ring; 3, telescopic rod; 4, movable groove; 5, drive rod; 6, first bevel gear; 7, movable seat; 8, threaded rod; 9, support assembly; 91, support frame; 92, limiting block; 10, second bevel gear; 11, threaded sleeve; 12, limiting sleeve; 13, adjusting block; 14, fixed plate; 15, connecting clamping groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0023] Please refer to Figures 1-3 The utility model provides a kind of isolation ring for application to shield machine cutter technical scheme: a kind of isolation ring for application to shield machine cutter, including base ring 1, the inside of base ring 1 is evenly distributed with movable groove 4, the middle part of movable groove 4 inner wall is rotatably connected with drive rod 5, one end of drive rod 5 is fixedly connected with first bevel gear 6, the middle part of the upper and lower two inner walls of movable groove 4 is fixedly connected with movable seat 7, the inside of movable seat 7 is rotatably connected with threaded rod 8, one end of threaded rod 8 is fixedly connected with second bevel gear 10, second bevel gear 10 is located on the upper and lower sides of first bevel gear 6, by drive rod 5 drive first bevel gear 6 rotation, make first bevel gear 6 and the second bevel gear 10 on both sides are mutually engaged, by rotating drive rod 5 can simultaneously drive two second bevel gear 10 rotation, make second bevel gear 10 can drive threaded rod 8 to rotate, second bevel gear 10 is all engaged with first bevel gear 6, the inner wall of movable groove 4 is provided with the support assembly 9 that can support drive rod 5, one side of base ring 1 is rotatably connected with adjusting block 13, one side of adjusting block 13 is provided with connecting clamping groove 15, one end of adjusting block 13 passes through base ring 1 and is fixedly connected with limiting block 92, by adjusting block 13 can drive drive rod 5 to rotate, and by connecting clamping groove 15 is connected with the convenience of using tool, by tool can drive drive rod 5 to rotate, by the thread transmission between threaded rod 8 and threaded sleeve 11, can drive threaded sleeve 11 move towards both sides;

[0024] The upper and lower inner walls of the movable groove 4 are slidably connected with the telescopic rods 3, one side of the threaded rod 8 is threadedly connected with a threaded sleeve 11, one side of the threaded sleeve 11 is fixedly connected with a fixed plate 14, the other side of the fixed plate 14 is fixedly connected with one end of the telescopic rod 3, through the transmission of the threaded rod 8 and the threaded sleeve 11, the fixed plate 14 can be driven to move in the opposite direction, so that the fixed plate 14 can drive the telescopic rod 3 to move on both sides of the base ring 1, thereby driving the adjusting ring 2 to move in the opposite direction, the thickness of the entire isolation ring can be adjusted, and when the entire isolation ring is extruded, stable support can be provided, the telescopic rods 3 are fixedly connected with the adjusting rings 2 on both sides of the base ring 1, the upper and lower inner walls of the movable groove 4 are fixedly connected with limiting sleeves 12, and one end of the telescopic rod 3 is slidably connected in the limiting sleeve 12, through the sliding of the telescopic rod 3 in the limiting sleeve 12, the telescopic rod 3 can be kept stable during movement, so that the telescopic rod 3 is prevented from deviating during movement and from being skewed.

[0025] Please refer to Figure 4 The support assembly 9 comprises a support frame 91 which is fixedly connected to the middle of the inner wall of the movable groove 4, the inner portion of the support frame 91 is rotatably connected with a limiting block 92, one end of the driving rod 5 is fixedly connected with the limiting block 92 through the support frame 91, the limiting block 92 can be driven to rotate in the inner portion of the support frame 91 through the rotation of the adjusting block 13, so that the driving rod 5 can be limited, the position of the driving rod 5 is prevented from deviating, the first bevel gear 6 is prevented from being separated from the second bevel gear 10, the position of the adjusting ring 2 cannot be adjusted, the entire isolation ring can be accurately adjusted according to the need, and the position deviation caused by deformation during the supporting process is avoided.

[0026] The working principle and use process of the utility model are as follows: the base ring 1 is sleeved in the specified position, a tool is inserted in the connecting clamping groove 15, the tool is rotated to drive the adjusting block 13 to rotate, the adjusting block 13 drives the driving rod 5 to rotate the first bevel gear 6, the first bevel gear 6 is meshed with the two second bevel gears 10 to drive the two second bevel gears 10 to rotate at the same time, thereby the threaded rod 8 and the threaded sleeve 11 are threadedly transmitted, the two threaded sleeves 11 are driven to move in the opposite direction, thereby the telescopic rods 3 are simultaneously driven to move in the opposite direction, the telescopic rods 3 are extended from the inner portion of the base ring 1, the adjusting ring 2 is driven to move away from the base ring 1, the two adjusting rings 2 are driven to move through the rotation of the adjusting block 13, and the thickness of the entire isolation ring is adjusted.

[0027] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A spacer ring applied to a disc cutter of a tunnel boring machine, comprising a base ring (1), characterized in that, The inner part of the base ring (1) is provided with uniformly distributed movable grooves (4), the middle part of the inner wall of the movable groove (4) is rotatably connected with a driving rod (5), one end of the driving rod (5) is fixedly connected with a first bevel gear (6), the inner wall of the movable groove (4) is provided with a supporting assembly (9) capable of supporting the driving rod (5). The upper and lower inner walls of the movable groove (4) are slidably connected with telescopic rods (3), and the telescopic rods (3) are fixedly connected with adjusting rings (2) on the upper and lower sides of the base ring (1).

2. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 1, wherein The supporting assembly (9) comprises a supporting frame (91), the supporting frame (91) is fixedly connected to the middle part of the inner wall of the movable groove (4), the inside of the supporting frame (91) is rotatably connected with a limiting block (92), and one end of the driving rod (5) is fixedly connected with the limiting block (92) through the supporting frame (91).

3. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 1, wherein The middle part of the upper and lower inner walls of the movable groove (4) is fixedly connected with a movable seat (7), the inside of the movable seat (7) is rotatably connected with a threaded rod (8), and one end of the threaded rod (8) is fixedly connected with a second bevel gear (10).

4. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 3, wherein The second bevel gear (10) is located on the upper and lower sides of the first bevel gear (6), and the second bevel gear (10) is meshed with the first bevel gear (6).

5. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 3, wherein One side of the threaded rod (8) is threadedly connected with a threaded sleeve (11), one side of the threaded sleeve (11) is fixedly connected with a fixed plate (14), and the other side of the fixed plate (14) is fixedly connected with one end of the telescopic rod (3).

6. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 1, wherein The upper and lower inner walls of the movable groove (4) are fixedly connected with limiting sleeves (12), and one end of the telescopic rod (3) is slidably connected in the inside of the limiting sleeve (12).

7. The spacer ring for application to a disc cutter of a tunnel boring machine according to claim 2, wherein One side of the base ring (1) is rotatably connected with an adjusting block (13), one side of the adjusting block (13) is provided with a connecting clamping groove (15), and one end of the adjusting block (13) is fixedly connected with the limiting block (92) through the base ring (1).

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