Shield tunneling machine cutter positioning and mounting structure

Abstract

The utility model discloses a shield tunneling machine cutter positioning and mounting structure, which relates to the technical field of shield tunneling machines, and comprises a bearing mechanism, a locking mechanism, a synchronous driving mechanism and a cutter positioning and mounting mechanism, the locking mechanism is used for locking the carried cutter of the shield tunneling machine; the synchronous driving mechanism is used for synchronously driving the two locking mechanisms; the synchronous driving mechanism comprises a limiting groove, a rotating shaft, a driving disc, a reset spring, a rotating disc, a limiting rod and a connecting rod. The multiple limiting grooves and the multiple limiting rods are both arranged, the multiple limiting grooves are evenly formed in the top of the inner side of the U-shaped cutter head, and the top end of the rotating shaft is rotationally arranged at the top of the inner side of the U-shaped cutter head in a nested mode through a pin shaft. According to the tool locking device, the tool can be locked more conveniently, the operation difficulty is lowered, and meanwhile the actual use effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machines, in particular to a cutter positioning and installation structure for shield machines. Background Art

[0002] The cutter is an important component of the shield machine. In order to adapt to the cutting of different strata from soft soil to hard rock, different types of cutting tools need to be selected during the construction of the shield machine. At present, common cutters on the shield machine include rollers, cutters, scrapers, guide cutters, etc. Different cutters are installed in different positions on the cutterhead.

[0003] The utility model patent with patent authorization announcement number CN 218265912 U discloses a shield machine tool quick installation structure, including a U-shaped cutter disc and a cutter body; two positioning blocks are arranged on the inner side of the end of the U-shaped cutter disc, a positioning groove is opened on one side of the positioning block, convex shafts are integrally formed on both sides of the cutter body, the convex shafts are slidably connected in the positioning grooves, an installation cavity is arranged in the positioning block, an installation component is installed in the installation cavity and the installation component is connected to the convex shaft, a fixing port for installing the installation component which is connected to the installation cavity is opened on the front side of the positioning block, a protective component is arranged on the positioning block, and the protective component is arranged on the fixing port.

[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that when fixing the cutter body, the operator needs to rotate the two hand-tightened bolts in turn, and then close the two sealing plates. The overall operation is too cumbersome and is still not convenient enough in actual use.

[0005] Therefore, it is necessary to invent a shield machine cutter positioning and installation structure to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a shield machine tool positioning and installation structure, which is provided with a synchronous driving mechanism, so that when locking the tool, the turntable is pulled downward, and the limit rod is driven to move out from the inner side of the limit groove when the turntable moves downward to release the lock, and the reset spring is stretched at the same time, and then the turntable is rotated. When the turntable rotates, the driving disk is driven to rotate by multiple limit rods. When the driving disk rotates, the two locking mechanisms are pulled respectively by two connecting rods to complete the locking, so as to solve the problem proposed in the above background technology that when fixing the tool body, the operator needs to rotate the two hand-tightened bolts in turn and then close the two blocking plates, and the overall operation is too cumbersome and still not convenient enough in actual use.

[0007] According to one aspect of the present disclosure, the following technical solution is provided: a shield machine cutter positioning and installation structure, comprising:

[0008] A bearing mechanism, which is used to install the locking mechanism and the synchronous drive mechanism and to carry the shield machine cutter;

[0009] A locking mechanism, the locking mechanism being used to lock the carried shield machine cutter; and

[0010] A synchronous driving mechanism, wherein the synchronous driving mechanism is used to synchronously drive the two locking mechanisms;

[0011] The synchronous drive mechanism comprises a limit groove, a rotating shaft, a driving disc, a return spring, a rotating disc, a limit rod and a connecting rod;

[0012] There are multiple limit grooves and limit rods, and the multiple limit grooves are evenly opened at the top of the inner side of the U-shaped cutter disc. The top of the rotating shaft is rotatably nested in the top of the inner side of the U-shaped cutter disc through a pin shaft. The driving disk and the return spring are sequentially sleeved on the outside of the rotating shaft from top to bottom. The driving disk is fixedly connected to the rotating shaft, and the return spring is fixedly linked between the driving disk and the turntable. The turntable fits the bottom end of the rotating shaft. Multiple limit rods are evenly fixed on the top of the turntable and slide through the driving disk. There are two connecting rods, and the two connecting rods are respectively rotatably arranged on both sides of the bottom of the driving disk through a pin shaft.

[0013] According to the shield machine cutter positioning and installation structure of at least one embodiment of the present disclosure, the bearing mechanism includes a U-shaped cutter disc, a guide groove, a positioning block and a positioning groove.

[0014] According to the shield machine tool positioning and installation structure of at least one embodiment of the present disclosure, the guide groove is opened on the inner side of the U-shaped cutter disc, the positioning block is fixedly arranged on the inner bottom end of the U-shaped cutter disc, and the positioning groove is opened on the top of the positioning block.

[0015] According to the shield machine cutter positioning and installation structure of at least one embodiment of the present disclosure, the locking mechanism includes an L-shaped locking rod and a traction rod.

[0016] According to the shield machine tool positioning and installation structure of at least one embodiment of the present disclosure, the L-shaped locking rod is slidably arranged on the inner side of the guide groove and slides through the positioning block, and the traction rod is fixedly arranged on the top end of the L-shaped locking rod and is rotatably connected with the connecting rod through a pin shaft.

[0017] Technical effects and advantages of the utility model:

[0018] The utility model is provided with a synchronous driving mechanism, so that when locking the tool, the turntable is pulled downward, and when the turntable moves downward, the limit rod is driven to move out from the inner side of the limit groove to release the lock, and the reset spring is stretched at the same time, and then the turntable is rotated. When the turntable rotates, the driving disk is driven to rotate through multiple limit rods. When the driving disk rotates, the two locking mechanisms are respectively pulled by two connecting rods to complete the locking. Compared with the same type of device in the prior art, the utility model can complete the locking operation of the tool more conveniently, reduce the difficulty of operation and have a better actual use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0020] Figure 1 It is a schematic diagram of the overall structure of a shield machine cutter positioning and installation structure according to an embodiment of the present disclosure.

[0021] Figure 2 It is a schematic diagram of the bearing mechanism and locking mechanism structure of a cutter positioning and mounting structure of a shield machine according to an embodiment of the present disclosure.

[0022] Figure 3 It is a schematic diagram of the structure of a synchronous drive mechanism of a cutter positioning and mounting structure of a shield machine according to an embodiment of the present disclosure.

[0023] The specific reference numerals in the figure are:

[0024] 1. Carrying mechanism; 11. U-shaped cutter disc; 12. Guide groove; 13. Positioning block; 14. Positioning groove;

[0025] 2. Locking mechanism; 21. L-shaped locking rod; 22. Towing rod;

[0026] 3. Synchronous driving mechanism; 31. Limiting groove; 32. Rotating shaft; 33. Driving disk; 34. Return spring; 35. Turntable; 36. Limiting rod; 37. Connecting rod. DETAILED DESCRIPTION

[0027] The present disclosure is further described in detail below in conjunction with the accompanying drawings and implementations. It is understood that the specific implementations described herein are only used to explain the relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only the parts related to the present disclosure are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure can be combined with each other. The technical solution of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] Unless otherwise specified, the exemplary embodiments / embodiments shown will be understood as providing exemplary features of various details of some ways in which the technical concept of the present disclosure can be implemented in practice. Therefore, unless otherwise specified, the features of the various embodiments / embodiments can be combined, separated, interchanged and / or rearranged without departing from the technical concept of the present disclosure.

[0030] The use of cross-hatching and / or shading in the accompanying drawings is generally used to make the boundaries between adjacent components clear. As such, unless otherwise specified, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for the specific materials, material properties, dimensions, proportions, commonalities between the components shown, and / or any other characteristics, attributes, properties, etc. of the components. In addition, in the accompanying drawings, the sizes and relative sizes of the components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, the specific process sequence can be performed in a different order than described. For example, two successively described processes can be performed substantially simultaneously or in an order opposite to the described order. In addition, the same figure numbers represent the same components.

[0031] When a component is referred to as being "on" or "over," "connected to," or "coupled to" another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being "directly on," "directly connected to," or "directly coupled to" another component, there are no intervening components. For this purpose, the term "connected" may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0032] For descriptive purposes, the present disclosure may use spatially relative terms such as "under," "beneath," "under," "down," "over," "upper," "above," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, components described as "under" or "beneath" other components or features would subsequently be positioned "over" the other components or features. Thus, the exemplary term "under" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.

[0033] The terms used here are for the purpose of describing specific embodiments, and are not intended to be restrictive. As used here, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, it is explained that there are stated features, integral bodies, steps, operations, parts, assemblies and / or their groups, but it is not excluded that there are or add one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups. It should also be noted that, as used here, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0034] Figure 1 It is a schematic diagram of the overall structure of a shield machine cutter positioning and installation structure according to an embodiment of the present disclosure.

[0035] like Figure 1-Figure 3 As shown, the shield machine cutter positioning and installation structure disclosed in the present invention may include: a bearing mechanism 1, a locking mechanism 2, a synchronous drive mechanism 3 and other components.

[0036] Figure 2 It is a structural schematic diagram of a bearing mechanism 1 and a locking mechanism 2 of a cutter positioning and mounting structure for a shield machine according to an embodiment of the present disclosure.

[0037] like Figure 2As shown, in the present disclosure, the supporting mechanism 1 includes a U-shaped cutter disc 11, a guide groove 12, a positioning block 13 and a positioning groove 14, wherein the guide groove 12 is opened on the inner side of the U-shaped cutter disc 11, the positioning block 13 is fixedly arranged at the inner bottom end of the U-shaped cutter disc 11, and the positioning groove 14 is opened on the top of the positioning block 13.

[0038] like Figure 2 As shown, in a preferred embodiment, the locking mechanism 2 includes an L-shaped locking rod 21 and a traction rod 22, wherein the L-shaped locking rod 21 is slidably arranged on the inner side of the guide groove 12 and slides through the positioning block 13, and the traction rod 22 is fixedly arranged at the top end of the L-shaped locking rod 21 and is rotatably connected to the connecting rod 37 through a pin shaft.

[0039] Therefore, the positioning groove 14 is used to carry the tool. When the traction rod 22 is pulled, the L-shaped locking rod 21 moves outward inside the guide groove 12 and then inserts into the locking groove on the side of the tool to complete the locking of the tool.

[0040] Figure 3 It is a structural schematic diagram of a synchronous drive mechanism 3 of a cutter positioning and installation structure of a shield machine according to an embodiment of the present disclosure.

[0041] like Figure 3 As shown, in the present disclosure, the synchronous drive mechanism 3 includes a limit groove 31, a rotating shaft 32, a driving disk 33, a return spring 34, a rotating disk 35, a limit rod 36 and a connecting rod 37, wherein the limit groove 31 and the limit rod 36 are each provided in plurality, and the plurality of limit grooves 31 are evenly opened at the inner top of the U-shaped blade disc 11, the top of the rotating shaft 32 is rotatably nested at the inner top of the U-shaped blade disc 11 through a pin shaft, the driving disk 33 and the return spring 34 are sequentially sleeved and arranged on the outer side of the rotating shaft 32 from top to bottom, the driving disk 33 is fixedly connected to the rotating shaft 32, the return spring 34 is fixedly linked between the driving disk 33 and the rotating disk 35, the rotating disk 35 is fitted to the bottom end of the rotating shaft 32, the plurality of limit rods 36 are evenly fixedly arranged on the top of the rotating disk 35 and all slide through the driving disk 33, and two connecting rods 37 are provided, and the two connecting rods 37 are respectively rotatably arranged on both sides of the bottom of the driving disk 33 through a pin shaft.

[0042] Therefore, when locking the tool, the turntable 35 is pulled downward, and when the turntable 35 moves downward, it drives the limit rod 36 to move out from the inner side of the limit groove 31 to release the lock, and at the same time stretches the reset spring 34, and then rotates the turntable 35. When the turntable 35 rotates, it drives the driving disk 33 to rotate through multiple limit rods 36. When the driving disk 33 rotates, the two locking mechanisms 2 are pulled respectively through two connecting rods 37, thereby completing the locking.

[0043] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments / methods or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.

[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0045] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. A shield machine cutter positioning and installation structure, characterized in that: include: A bearing mechanism, which is used to install the locking mechanism and the synchronous drive mechanism and to carry the shield machine cutter; A locking mechanism, the locking mechanism is used to lock the shield machine cutter being carried; as well as A synchronous driving mechanism, wherein the synchronous driving mechanism is used to synchronously drive the two locking mechanisms; The synchronous drive mechanism comprises a limit groove, a rotating shaft, a driving disc, a return spring, a rotating disc, a limit rod and a connecting rod; There are multiple limit grooves and limit rods, and the multiple limit grooves are evenly opened at the top of the inner side of the U-shaped cutter disc. The top of the rotating shaft is rotatably nested in the top of the inner side of the U-shaped cutter disc through a pin shaft. The driving disk and the return spring are sequentially sleeved on the outside of the rotating shaft from top to bottom. The driving disk is fixedly connected to the rotating shaft, and the return spring is fixedly linked between the driving disk and the turntable. The turntable fits the bottom end of the rotating shaft. Multiple limit rods are evenly fixed on the top of the turntable and slide through the driving disk. There are two connecting rods, and the two connecting rods are respectively rotatably arranged on both sides of the bottom of the driving disk through a pin shaft.

2. The shield machine tool positioning and installation structure according to claim 1 is characterized in that: The bearing mechanism comprises a U-shaped cutter disc, a guide groove, a positioning block and a positioning groove.

3. The shield machine tool positioning and installation structure according to claim 2 is characterized in that: The guide groove is arranged on the inner side of the U-shaped cutter disc, the positioning block is fixedly arranged on the inner bottom end of the U-shaped cutter disc, and the positioning groove is arranged on the top of the positioning block.

4. The shield machine tool positioning and installation structure according to claim 3 is characterized in that: The locking mechanism comprises an L-shaped locking rod and a traction rod.

5. The shield machine tool positioning and installation structure according to claim 4 is characterized in that: The L-shaped locking rod is slidably arranged inside the guide groove and slidably penetrates the positioning block. The traction rod is fixedly arranged on the top end of the L-shaped locking rod and is rotatably connected with the connecting rod through a pin shaft.

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