Movable slag removal belt conveyor device in TBM tunnel

Abstract

The utility model relates to a movable slag removal belt conveyor device in a TBM tunnel. The movable slag removal belt conveyor device in the TBM tunnel comprises a supporting truss. The slag receiving conveyor belt is obliquely arranged on one side of the supporting truss, one end of the slag receiving conveyor belt is flush with the bottom of the supporting truss, and the other end extends above the top of the supporting truss; the deslagging conveying belt is horizontally arranged on the other side of the supporting truss, and a gap is formed between the bottom of the deslagging conveying belt and the ground; and the slag transferring conveying belt is horizontally arranged at the top of the supporting truss and located between the slag receiving conveying belt and the slag discharging conveying belt. The slag receiving conveying belt, the slag transferring conveying belt and the slag discharging conveying belt are matched to form a complete transferring and conveying system, the transitivity and high efficiency of the slag removing operation procedure are effectively guaranteed, accumulated slag in a hole is conveyed out of the hole in time, multiple times of transferring through other conveying equipment are not needed in the whole conveying process, and the conveying efficiency is improved. And the accumulated slag cleaning procedure can be completed only through one-time transferring, the procedure is simple, convenient and rapid, and the slag cleaning time is shortened.

Description

Technical Field

[0001] The present application relates to the technical field of tunnel construction, and in particular to a movable slag-removing belt conveyor device in a TBM tunnel. Background Art

[0002] As a mechanized and automated tunnel excavation method, full-face hard rock tunnel boring machine (TBM) construction technology has no maximum excavation length limit, fast construction speed, and a construction progress of 400 to 1200 m / month. The comprehensive excavation efficiency is 4 to 6 times that of the drilling and blasting method. It has been widely used in the field of tunnel construction.

[0003] During the excavation of an open TBM tunnel, due to the complex and changeable surrounding rock, the cutterhead cuts the surrounding rock into fragments and powder, which falls to the bottom of the bottom arch. There is a lot of silt and seepage in the collapsed section in the unfavorable geological area, which overflows and settles and accumulates in the bottom arch area of ​​the TBM tunnel, gradually forming silty sediments that affect the subsequent track laying and secondary lining concrete pouring construction.

[0004] TBM excavation tunnels require frequent slag removal operations. The traditional TBM tunnel removal solution requires manual bagging and multiple transfers through other transportation equipment to complete the slag removal operation. The process is complicated and tedious, resulting in a long slag removal time. Utility Model Content

[0005] In order to solve or partially solve the problems existing in the related art, the present application provides a movable slag cleaning belt conveyor device in a TBM tunnel.

[0006] To achieve the above objectives, this application is implemented through the following technical solutions:

[0007] A movable slag-cleaning belt conveyor device in a TBM tunnel, the movable slag-cleaning belt conveyor device in a TBM tunnel comprising:

[0008] Support trusses;

[0009] The slag conveyor belt is obliquely arranged on one side of the supporting truss, one end of which is flush with the bottom of the supporting truss and the other end extends to above the top of the supporting truss;

[0010] The slag conveyor belt is horizontally arranged on the other side of the supporting truss, and its bottom is spaced apart from the ground;

[0011] The slag transfer conveyor belt is horizontally arranged on the top of the supporting truss and is located between the slag receiving conveyor belt and the slag discharging conveyor belt;

[0012] Among them, the upper end surface of the slag transfer conveyor belt is lower than the end of the slag receiving conveyor belt located above the top of the supporting truss, and the lower end surface of the slag transfer conveyor belt is higher than the upper end surface of the slag discharge conveyor belt.

[0013] Optionally, a first slag chute is fixed to one end of the slag conveyor belt that is flush with the bottom of the supporting truss.

[0014] Optionally, a second slag chute is fixed to one end of the slag transfer conveyor belt close to the slag receiving conveyor belt, and the upper end surface of the second slag chute is lower than the end of the slag receiving conveyor belt located above the top of the supporting truss.

[0015] Optionally, a third slag dropping trough is provided on the slag discharging conveyor belt, and an upper end surface of the third slag dropping trough is lower than an end of the slag transfer conveyor belt close to the third slag dropping trough.

[0016] Optionally, a ladder is provided on the inner side of the support truss close to the slag conveyor belt.

[0017] Optionally, a plurality of support rods are provided at equal intervals between the top of the support truss and the bottom of the slag conveyor belt, and an inspection passage is formed between adjacent support rods.

[0018] Optionally, the bottom of the supporting truss is provided with walking wheels.

[0019] Optionally, a driving motor is further provided at the bottom of the supporting truss, and the driving motor is used to provide power for the traveling wheels, the slag receiving conveyor belt, the slag discharging conveyor belt and the slag transferring conveyor belt.

[0020] The beneficial effects of the present application are as follows: the present application forms a complete transfer and transportation system through the cooperation of the slag receiving conveyor belt, the slag transfer conveyor belt and the slag discharging conveyor belt, which effectively ensures the transmission and efficiency of the slag cleaning operation process, so that the accumulated slag in the tunnel is promptly sent out of the tunnel. The entire transportation process does not require multiple transfers by other transportation equipment, and the slag cleaning process can be completed with only one transfer. The process is simple and fast, and the slag cleaning time is reduced.

[0021] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0023] Figure 1 It is a left view of a movable slag cleaning belt conveyor device in a TBM tunnel shown in an embodiment of the present application;

[0024] Figure 2 It is a front view of a movable slag cleaning belt conveyor device in a TBM tunnel shown in an embodiment of the present application;

[0025] Figure 3It is a rear view of a movable slag cleaning belt conveyor device in a TBM tunnel shown in an embodiment of the present application;

[0026] Figure 4 It is a top view of a movable slag cleaning belt conveyor device in a TBM tunnel shown in an embodiment of the present application.

[0027] Figure numerals: 1 supporting truss, 2 walking wheel, 3 driving motor, 4 slag receiving conveyor belt, 5 slag rotating conveyor belt, 6 first slag dropping chute, 7 ladder, 8 maintenance channel, 9 slag discharging conveyor belt, 10 second slag dropping chute, 11 third slag dropping chute. DETAILED DESCRIPTION

[0028] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] 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 the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific situation.

[0031] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples" or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0033] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

[0034] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0035] In order to make the purpose, technical solutions and beneficial effects of the present application clearer, the preferred embodiments of the present application will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technical personnel.

[0036] Embodiment 1:

[0037] See also Figures 1 to 4 A movable slag-removing belt conveyor device in a TBM tunnel, the movable slag-removing belt conveyor device in a TBM tunnel comprising:

[0038] Support truss 1;

[0039] The slag conveyor belt 4 is obliquely arranged on one side of the support truss 1, one end of which is flush with the bottom of the support truss 1, and the other end extends to above the top of the support truss 1;

[0040] The slag conveyor belt 9 is horizontally arranged on the other side of the supporting truss 1, and its bottom is spaced from the ground;

[0041] The slag transfer conveyor belt 5 is horizontally arranged on the top of the support truss 1 and is located between the slag receiving conveyor belt 4 and the slag discharging conveyor belt 9;

[0042] The upper end surface of the slag transfer conveyor belt 5 is lower than the end of the slag receiving conveyor belt 4 located above the top of the supporting truss 1 , and the lower end surface of the slag transfer conveyor belt 5 is higher than the upper end surface of the slag discharging conveyor belt 9 .

[0043] Specifically, the supporting truss 1 is welded by a number of columns, beams and diagonal rods. The supporting truss 1 serves as an integral supporting base to increase the stability of the device and provide safe support for the operation of the entire device; the slag receiving conveyor belt 4 and the slag discharging conveyor belt 9 are installed on both sides of the supporting truss 1, and the bottom of the slag receiving conveyor belt 4 is an end flush with the bottom of the supporting truss 1, and the top of the slag receiving conveyor belt 4 is an end located above the top of the supporting truss 1. The slag receiving conveyor belt 4 is tilted to facilitate manual delivery of accumulated slag to the slag receiving conveyor belt 4, so as to achieve the purpose of labor saving and reduce labor intensity; the end of the slag transfer conveyor belt 5 close to the slag receiving conveyor belt 4 is the starting end, and the end of the slag transfer conveyor belt 5 close to the slag discharging conveyor belt 9 is the end, the starting end of the slag transfer conveyor belt 5 is located below the top of the slag receiving conveyor belt 4, and the end of the slag transfer conveyor belt 5 is located above the slag discharging conveyor belt 9, and the bottom of the slag discharging conveyor belt 9 is spaced from the ground to leave a passage space for the convenience of operators and their related equipment to pass through;

[0044] During operation, the slag bags in the excavation process are conveyed from the bottom of the slag conveyor belt 4 to the top, unloaded into the starting end of the slag transfer conveyor belt 5 at the top of the slag conveyor belt 4, and then conveyed from there to the end of the slag transfer conveyor belt 5, and then dropped into the slag discharge conveyor belt 9, and transported to the outside of the tunnel through the slag discharge conveyor belt 9;

[0045] In this embodiment, a complete transfer and transportation system is formed by the cooperation of the slag receiving conveyor belt 4, the slag transfer conveyor belt 5 and the slag discharging conveyor belt 9, which effectively ensures the transferability and efficiency of the slag cleaning operation process, so that the accumulated slag in the tunnel is promptly sent out of the tunnel. The entire transportation process does not require multiple transfers through other transportation equipment, and only one transfer is required to complete the accumulated slag cleaning process. The process is simple and fast, and the slag cleaning time is reduced.

[0046] Embodiment 2:

[0047] See also Figures 1 to 4 Based on the first embodiment, further and optionally, a first slag chute 6 is fixed to one end of the slag conveyor belt 4 which is flush with the bottom of the support truss 1 .

[0048] Specifically, the first slag chute 6 is in the shape of a funnel that is wide at the top and narrow at the bottom, which can prevent the accumulated slag from being squeezed out and scattered to other areas, and to a certain extent ensure that the accumulated slag can be quickly transported with the advantages of safety protection and anti-scattering.

[0049] Further and optionally, a second slag chute 10 is fixed to one end of the slag transfer conveyor belt 5 close to the slag receiving conveyor belt 4 , and the upper end surface of the second slag chute 10 is lower than the end of the slag receiving conveyor belt 4 located above the top of the support truss 1 .

[0050] Specifically, the upper end surface of the second slag chute 10 is lower than the end of the slag conveyor belt 4 located above the top of the supporting truss 1, so that the accumulated slag transported to the top of the slag conveyor belt 4 can fall into the second slag chute 10. The second slag chute 10 is in the shape of a funnel that is wide at the top and narrow at the bottom. Its function is the same as that of the first slag chute 6, which is used to prevent the accumulated slag from being squeezed out and scattered to other areas. To a certain extent, it ensures that the accumulated slag can be quickly transported with the advantages of safety protection and anti-scattering.

[0051] Further and optionally, a third slag dropping trough 11 is provided on the slag discharging conveyor belt 9 , and an upper end surface of the third slag dropping trough 11 is lower than an end of the slag transfer conveyor belt 5 close to the third slag dropping trough 11 .

[0052] Specifically, the upper end surface of the third slag chute 11 is lower than the end of the slag conveyor belt 5 close to the third slag chute 11, which facilitates the accumulated slag transported to the end of the slag conveyor belt 5 to fall into the third slag chute 11. The third slag chute 11 is in the shape of a funnel that is wide at the top and narrow at the bottom. Its function is the same as that of the first slag chute 6, which is used to prevent the accumulated slag from being squeezed out and scattered to other areas. To a certain extent, it ensures that the accumulated slag can be quickly transported with the advantages of safety protection and anti-scattering.

[0053] Further and optionally, a ladder 7 is provided on the inner side of the support truss 1 close to the slag conveyor belt 4 .

[0054] Specifically, the top of the ladder 7 is fixedly connected to the top lower end of the supporting truss 1 , and the bottom is fixedly connected to the bottom upper end of the supporting truss 1 . Operators can inspect and replace parts of the slag transfer conveyor belt 5 and the slag receiving conveyor belt 4 by going up and down the ladder 7 .

[0055] Further and optionally, a plurality of support rods are provided at equal intervals between the top of the support truss 1 and the bottom of the slag conveyor belt 5 , and an inspection channel 8 is formed between adjacent support rods.

[0056] Specifically, the operating personnel can enter the maintenance passage 8 to perform maintenance and component replacement on the slag transfer conveyor belt 5 and the slag receiving conveyor belt 4 .

[0057] Further and optionally, a walking wheel 2 is provided at the bottom of the supporting truss 1 .

[0058] Specifically, the traveling wheel 2 is installed at the bottom of the supporting truss 1 by bolts, and a track is provided in the tunnel. During the excavation process, as the excavation progresses, the traveling wheel 2 drives the entire device to move synchronously along the track, thereby transporting the accumulated slag generated during the excavation process to the outside of the tunnel in time.

[0059] Further and optionally, a driving motor 3 is also provided at the bottom of the supporting truss 1 , and the driving motor 3 is used to provide power for the traveling wheels 2 , the slag receiving conveyor belt 4 , the slag discharging conveyor belt 9 and the slag transferring conveyor belt 5 .

[0060] Specifically, the drive motor 3 is installed at the bottom of the supporting truss 1 by bolts. There are multiple drive motors 3, which are respectively used to drive the walking wheel 2, the slag receiving conveyor belt 4, the slag discharging conveyor belt 9 and the slag rotating conveyor belt 5. The drive motor 3 is connected to the power supply and is controlled by the controller.

[0061] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the present application rather than to limit it. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application; the dimensions of the drawings are not related to the specific objects, and the dimensions of the objects can be changed arbitrarily.

Claims

1. A movable slag removal belt conveyor device in a TBM tunnel, characterized in that: The movable slag cleaning belt conveyor device in the TBM tunnel comprises: Support truss (1); A slag conveyor belt (4) is obliquely arranged on one side of the support truss (1), one end of which is flush with the bottom of the support truss (1), and the other end of which extends to above the top of the support truss (1); A slag conveyor belt (9) is horizontally arranged on the other side of the supporting truss (1), and a bottom thereof is spaced apart from the ground; A slag transfer conveyor belt (5) is horizontally arranged on the top of the support truss (1) and is located between the slag receiving conveyor belt (4) and the slag discharging conveyor belt (9); The upper end surface of the slag transfer conveyor belt (5) is lower than the end of the slag receiving conveyor belt (4) located above the top of the support truss (1), and the lower end surface of the slag transfer conveyor belt (5) is higher than the upper end surface of the slag discharge conveyor belt (9).

2. The movable slag-cleaning belt conveyor device in a TBM tunnel according to claim 1, characterized in that: A first slag dropping chute (6) is fixed to one end of the slag receiving conveyor belt (4) that is flush with the bottom of the supporting truss (1).

3. The movable slag cleaning belt conveyor device in a TBM tunnel according to claim 1, characterized in that: A second slag chute (10) is fixed to one end of the slag transfer conveyor belt (5) close to the slag receiving conveyor belt (4), and the upper end surface of the second slag chute (10) is lower than the end of the slag receiving conveyor belt (4) located above the top of the support truss (1).

4. The movable slag-cleaning belt conveyor device in a TBM tunnel according to claim 1, characterized in that: The slag discharge conveyor belt (9) is provided with a third slag dropping trough (11), and the upper end surface of the third slag dropping trough (11) is lower than the end of the slag transfer conveyor belt (5) close to the third slag dropping trough (11).

5. The movable slag cleaning belt conveyor device in a TBM tunnel according to claim 1, characterized in that: A ladder (7) is provided on the inner side of the support truss (1) close to the slag conveyor belt (4).

6. The movable slag-cleaning belt conveyor device in a TBM tunnel according to claim 5, characterized in that: A plurality of support rods are arranged at equal intervals between the top of the support truss (1) and the bottom of the slag conveyor belt (5), and an inspection channel (8) is formed between adjacent support rods.

7. The movable slag-cleaning belt conveyor device in a TBM tunnel according to claim 6, characterized in that: The bottom of the supporting truss (1) is provided with running wheels (2).

8. The movable slag-cleaning belt conveyor device in a TBM tunnel according to claim 7, characterized in that: A driving motor (3) is also provided at the bottom of the supporting truss (1), and the driving motor (3) is used to provide power for the traveling wheels (2), the slag receiving conveyor belt (4), the slag discharging conveyor belt (9) and the slag transferring conveyor belt (5).

Images