Angle-adjustable shield spiral conveyor

Abstract

The utility model relates to an angle-adjustable shield spiral conveyor, and belongs to the technical field of spiral conveyors. A cutterhead is arranged at the front end of a shield body, is connected with a main drive through a connecting piece and is used for excavating a soil body; a screw conveyor is arranged on one side of the shield body, and an outer barrel section of the screw conveyor is connected with a hydraulic oil cylinder; the two ends of the oil cylinder are fixed to the oil cylinder fixing frame and the oil cylinder base respectively, and the hydraulic oil cylinder is used for achieving angle adjustment of the screw conveyor. Meanwhile, the screw conveyor head and the shield body are connected through the ball bearing, and 360-degree rotation is allowed. The inclination angle of the screw conveyor is adjusted by controlling the telescopic stroke of the hydraulic oil cylinder, and the problems that a fixed screw conveyor is low in muck conveying efficiency, inconvenient to maintain and detect and large in disassembly and assembly difficulty are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral conveyor technical field especially angle adjustable formula shield spiral conveyor. BACKGROUND

[0002] With the development of underground tunnel excavation technology, spiral conveyor technology appears, and this technology is mainly used for conveying spoil.

[0003] In the related art, in order to deal with the problem of spoil conveying in underground tunnel excavation, a fixed spiral conveyor is usually used.However, when dealing with spoil, the fixed spiral conveyor often leads to low conveying efficiency, cannot meet the demand of efficient excavation, and has the problem of low spoil conveying efficiency.

[0004] In order to solve this problem, it is the social need to develop an angle adjustable shield spiral conveyor. UTILITY MODEL CONTENT

[0005] The applicant provides an angle adjustable shield spiral conveyor to better meet the requirements of spoil conveying efficiency adjustment of the spiral conveyor in underground tunnel excavation, and also makes the assembly, escape, disassembly, maintenance and other work of the tunnel boring machine more convenient and fast.

[0006] The technical scheme adopted by the utility model is as follows: an angle adjustable shield spiral conveyor, comprising:

[0007] A shield body, the front end of the shield body is provided with a cutter head, the cutter head is connected with a main drive through a connecting piece, and the main drive is used for driving the cutter head to excavate soil body;

[0008] A spiral machine is arranged below the inner side of the shield body, and the outer cylinder section of the spiral machine is provided with a hydraulic oil cylinder on both sides;

[0009] An oil cylinder fixing frame is fixedly connected to the outer cylinder section of the spiral machine;

[0010] An oil cylinder seat is fixed in the tunnel, one end of the hydraulic oil cylinder is connected with the spiral machine through the oil cylinder fixing frame, and the other end is fixed on the oil cylinder seat;

[0011] A ball bearing is connected between the head of the spiral machine and the shield body, and the ball bearing is configured to allow the spiral machine to rotate 360 degrees around its axis;

[0012] Wherein, by controlling the extension stroke of the hydraulic oil cylinder, the inclination angle of the spiral machine is adjusted to realize the regulation and control of the spoil conveying efficiency.

[0013] As a further improvement of the above technical scheme:

[0014] Preferably, the hydraulic cylinders are symmetrically arranged on both sides of the screw machine, and the extension and retraction actions of the hydraulic cylinders on each side are synchronously or independently controlled.

[0015] Preferably, the head of the screw machine is located below the front end of the shield body, and the screw machine is rotatably connected to the shield body through the ball bearing.

[0016] Preferably, the cylinder seat is fixed to the inner wall of the tunnel by anchoring or welding.

[0017] Preferably, the extension and retraction strokes of the hydraulic cylinders are linearly corresponding to the inclination angle of the screw machine.

[0018] Preferably, the rotation range of the ball bearing is 360 degrees, and the axial load capacity of the ball bearing is adapted to the working load of the screw machine.

[0019] Preferably, the cylinder fixing frame is fixedly connected to the outer cylinder section of the screw machine by bolts or welding.

[0020] Preferably, the main drive is configured as a hydraulic motor or an electric motor, and the output end of the main drive is connected to the driving flange of the cutter head.

[0021] The beneficial effects of the utility model are as follows:

[0022] The utility model has the advantages of compact structure, convenient operation, adjustable angle, flexible adjustment of the inclination angle of the screw machine through the extension and retraction strokes of the hydraulic cylinders, optimized efficiency of the delivery of the muck, and adaptation to different tunneling conditions and requirements.

[0023] The utility model also has the following advantages:

[0024] (1) The head of the screw machine is rotatably connected to the shield body through the ball bearing, which not only facilitates the adjustment of the angle, but also facilitates the assembly, escape, disassembly and maintenance of the tunneling machine.

[0025] (2) The hydraulic cylinders are symmetrically arranged on both sides of the screw machine, and the extension and retraction actions are synchronously or independently controlled, thereby enhancing the adaptability and flexibility of the equipment.

[0026] (3) The cylinder seat is fixed to the inner wall of the tunnel, thereby providing a stable support foundation. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a schematic diagram of the overall structure of the utility model.

[0028] Fig. 2 It is a schematic diagram of the overall structure in the angle adjustment state.

[0029] Wherein: 1, shield body; 2, cutter head; 3, main drive; 4, screw machine; 5, oil cylinder fixing frame; 6, hydraulic oil cylinder; 7, oil cylinder seat; 8, ball bearing. DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be described below with reference to the accompanying drawings.

[0031] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application herein is only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] In the case of using "include", "have", and "contain" described herein, unless a clear limiting term is used, such as "only", "consisting of", etc., another component can be added. Unless otherwise mentioned, the singular form of the term can include the plural form and cannot be understood as one in number.

[0034] It should be understood that although the terms "first", "second", etc. can be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of the present application, a first element can be referred to as a second element, and similarly, a second element can be referred to as a first element.

[0035] In addition, the drawings are not drawn to scale 1:1, and the relative sizes of the elements are only drawn by example in the drawings, not necessarily in true proportion.

[0036] As Figs. 1-2 shown, the present application provides an angle adjustable type shield screw conveyor, which comprises a shield body 1, a cutter head 2, a main drive 3, a screw machine 4, an oil cylinder fixing frame 5, a hydraulic oil cylinder 6, an oil cylinder seat 7 and a ball bearing 8.

[0037] In the embodiment, the front end of the shield body 1 is provided with a cutter head 2, the cutter head 2 is connected with a main drive 3 through a connecting piece, the main drive 3 is used for driving the cutter head 2 to rotate, and the soil body is excavated.

[0038] In the embodiment, the screw machine 4 is arranged below the inner side of the shield body 1 and is used for conveying the spoil generated by excavation.

[0039] In the embodiment, the oil cylinder fixing frame 5 is fixedly connected to the outer cylinder section of the screw machine 4.

[0040] In the embodiment, the oil cylinder seat 7 is fixed in the tunnel, and can be fixed to the inner wall of the tunnel through an anchoring piece or welding.

[0041] In the embodiment, the ball bearing 8 is connected between the head of the screw machine 4 and the shield body 1, and is configured to allow the screw machine 4 to rotate by 360 degrees around the axis.

[0042] In actual work, the inclination angle of the screw machine 4 can be adjusted by controlling the extension stroke of the hydraulic oil cylinder 6, and the extension stroke of the hydraulic oil cylinder 6 and the inclination angle of the screw machine 4 are in linear correspondence.

[0043] The structure of the utility model is reasonable, the inclination angle of the screw machine 4 can be flexibly adjusted through the extension stroke of the hydraulic oil cylinder 6, so that the spoil conveying efficiency is optimized, and different tunneling conditions and requirements are adapted.

[0044] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0045] The above-described embodiments only express the implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the present application patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. An angle adjustable shield screw conveyor, characterized by, The utility model relates to a shield tunneling machine, which comprises: a shield body (1) provided with a cutter head (2) at the front end, the cutter head (2) being connected with a main drive (3) for driving the cutter head (2) to excavate soil body through a connecting member; a screw machine (4) arranged below the inner side of the shield body (1), the screw machine (4) being provided with hydraulic oil cylinders (6) on both sides of the outer cylinder section of the screw machine (4); an oil cylinder fixing frame (5) fixedly connected to the outer cylinder section of the screw machine (4); an oil cylinder seat (7) fixed in a tunnel, one end of the hydraulic oil cylinder (6) being connected with the screw machine (4) through the oil cylinder fixing frame (5) and the other end being fixed on the oil cylinder seat (7); a ball bearing (8) connected between the head of the screw machine (4) and the shield body (1), the ball bearing (8) being configured to allow the screw machine (4) to rotate by 360 degrees around the axis thereof; wherein the inclination angle of the screw machine (4) is adjusted by controlling the extension and retraction stroke of the hydraulic oil cylinder (6) to realize the regulation and control of the spoil conveying efficiency.

2. The angle adjustable shield screw conveyor according to claim 1, wherein, The hydraulic oil cylinders (6) are symmetrically arranged on both sides of the screw machine (4), and the extension and retraction actions of the hydraulic oil cylinders (6) on each side are synchronously or independently controlled.

3. The angle adjustable shield screw conveyor according to claim 1, wherein, The head of the screw machine (4) is located below the front end of the shield body (1) and is rotatably connected with the shield body (1) through the ball bearing (8).

4. The angle adjustable shield screw conveyor according to claim 1, wherein, The oil cylinder seat (7) is fixed to the inner wall of the tunnel through anchoring or welding.

5. The angle adjustable shield auger of claim 1, wherein, The extension and retraction stroke of the hydraulic oil cylinder (6) is linearly corresponding to the inclination angle of the screw machine (4).

6. The angle adjustable shield auger of claim 1, wherein, The rotation range of the ball bearing (8) is 360 degrees, and the axial load capacity thereof is adapted to the working load of the screw machine (4).

7. The angle adjustable shield auger of claim 1, wherein, The oil cylinder fixing frame (5) and the outer cylinder section of the screw machine (4) are fixedly connected through bolts or welding.

8. The angle adjustable auger conveyor of any one of claims 1 to 7, wherein, The main drive (3) is configured as a hydraulic motor or an electric motor, and the output end of the main drive (3) is connected with the driving flange of the cutter head (2) through a transmission.

Images