Slag chute for deslagging of inclined shaft

Abstract

The utility model provides a slag chute for inclined shaft slag discharging, and relates to the technical field of inclined shaft TBM slag chutes, the slag chute comprises a chute and a fixing assembly arranged on the chute, part of the fixing assembly is inserted underground, the fixing assembly comprises an adjusting cylinder, an adjusting rod, a connecting disc and a ground nail, the inner wall of the adjusting cylinder is provided with an internal thread, the adjusting cylinder is fixedly arranged on the side wall of the chute, and the adjusting rod is fixedly arranged on the side wall of the chute. The outer wall of the adjusting rod is provided with an external thread, the adjusting rod is in threaded connection with the adjusting cylinder, the bottom end of the adjusting rod extends out of the adjusting cylinder, the bottom end of the adjusting rod is provided with a connecting disc, the connecting disc is attached to the ground, a plurality of through holes are formed in the connecting disc, and a plurality of ground nails penetrate through the through holes of the connecting disc and are inserted into the ground, so that the chute is fixed. The stability of the chute is improved, the chute is prevented from being dislocated due to vibration or external force in the using process, and stable work of the chute is guaranteed. The problems that an existing slag chute is poor in stability and prone to dislocation in the using process, and normal use is affected are solved.

Description

Technical Field

[0001] The present application relates to the technical field of inclined shaft TBM slag chutes, and in particular to a slag chute for inclined shaft slag discharge. Background Art

[0002] TBM hard rock tunnel boring machine is a special engineering machinery for tunnel excavation. It has the functions of excavating and cutting soil, conveying mud and assembling tunnel lining, etc. It has been widely used in tunnel projects such as subway, railway, highway, municipal engineering, hydropower, etc. Conventional TBM tunnel boring machine is suitable for flat tunnel construction with a slope of ±5%, while the inclined shaft TBM with a large slope can solve the excavation problem of inclined tunnels with a large slope, and the slag chute is used for slag discharge.

[0003] The existing slag chute lacks the necessary supporting structure or has an unreasonable supporting structure, resulting in poor stability. During use, it is easily dislocated due to vibration or external force, affecting normal use. Utility Model Content

[0004] An embodiment of the present application provides a slag chute for inclined shaft slag discharge, wherein a plurality of fixing components are provided on the outer wall of the chute, and parts of the fixing components are inserted into the ground, thereby improving the stability of the slag chute and solving the problem that the existing slag chute has poor stability and is prone to dislocation during use, thus affecting normal use.

[0005] The embodiment of the present application provides a slag chute for slag discharge in an inclined shaft, comprising a chute and a fixing assembly arranged on the chute, wherein a portion of the fixing assembly is inserted into the ground;

[0006] Wherein, the fixing assembly includes an adjusting cylinder, an adjusting rod, a connecting plate and a ground nail;

[0007] The inner wall of the adjusting cylinder is provided with an internal thread, the adjusting cylinder is fixedly mounted on the side wall of the chute, and the open end of the adjusting cylinder is vertically downward, the outer wall of the adjusting rod is provided with an external thread, the adjusting rod is threadedly connected to the adjusting cylinder, the bottom end of the adjusting rod extends out of the adjusting cylinder, the connecting disk is arranged at the bottom end of the adjusting rod, a plurality of through holes are provided on the connecting disk, the plurality of through holes are evenly distributed around the center of the connecting disk, the plurality of ground nails correspond to the plurality of through holes one by one, the plurality of ground nails all penetrate the corresponding through holes and are inserted into the ground.

[0008] In a feasible implementation, the bottom end of the adjusting rod is rotatably connected to the connecting disk via a connecting piece;

[0009] The connecting piece is a spherical universal joint, the moving end of the spherical universal joint is fixedly connected to the bottom end of the adjusting rod, and the fixed end of the spherical universal joint is fixedly connected to the middle part of the connecting plate.

[0010] In a feasible implementation, a rotating rod is provided on the lower outer wall of the adjusting rod, and an extending direction of the rotating rod is perpendicular to an extending direction of the adjusting rod.

[0011] In a feasible implementation, the slag chute for inclined shaft slag discharge also includes a steel mesh;

[0012] The top of the chute is an open end, the steel mesh is arranged at the top of the chute, and the chute and the steel mesh together form a slag channel.

[0013] In a feasible implementation, the chute includes a bottom plate and a side plate;

[0014] The two side panels are mirror-imaged at the two ends of the bottom panel, the bottom ends of the side panels are fixedly connected to the outer ends of the bottom panel, and the top ends of the side panels extend obliquely upward;

[0015] The steel mesh is arranged on the top ends of the two side plates.

[0016] In a feasible implementation, the chute further includes a top plate;

[0017] The two top plates are respectively arranged at the top ends of the two side plates, the inner ends of the top plates are fixedly connected to the top ends of the side plates, and the outer ends of the top plates extend horizontally outwards;

[0018] The steel mesh is arranged on the upper surfaces of the two top plates.

[0019] In a feasible implementation, a plurality of first fixing holes are provided on the top plate, and bolts penetrate the steel mesh and the first fixing holes to fix the steel mesh on the top plate.

[0020] In a feasible implementation, fixing plates are provided at both ends of the steel mesh, and a plurality of second fixing holes corresponding to the first fixing holes are provided on the fixing plates, and bolts penetrate the first fixing holes and the second fixing holes to fix the steel mesh on the top plate.

[0021] In a feasible implementation, the chute further includes a connecting plate;

[0022] The connecting plate is fixedly mounted on the outer wall of the end of the side plate, and a connecting hole is provided on the connecting plate;

[0023] The connecting plates of adjacent chutes are connected, and bolts penetrate the connecting holes of adjacent chutes to connect the adjacent chutes.

[0024] The embodiment of the present application provides a slag chute for inclined shaft slag discharge, by arranging a fixing component on the chute, the fixing component includes an adjusting cylinder, an adjusting rod, a connecting plate and a ground nail, the inner wall of the adjusting cylinder is provided with an internal thread, the adjusting cylinder is fixedly arranged on the side wall of the chute, and the adjusting cylinder is vertically arranged, the outer wall of the adjusting rod is provided with an external thread, the adjusting rod is screwed with the adjusting cylinder, and the bottom end of the adjusting rod extends out of the adjusting cylinder, a connecting plate is provided at the bottom end of the adjusting rod, the connecting plate is in contact with the ground, a plurality of through holes are provided on the connecting plate, a plurality of ground nails penetrate the through holes of the connecting plate and are inserted into the ground, so as to fix the chute, improve the stability of the chute, avoid the chute from being dislocated due to vibration or external force during use, and ensure the stable operation of the chute. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of a slag chute for slag discharge in an inclined shaft provided in the present application;

[0026] Figure 2 It is a schematic diagram of the structure of the fixed component;

[0027] Figure 3 It is a structural diagram of the steel mesh;

[0028] Figure 4 It is a schematic diagram of the fixed state of the slag chute.

[0029] Description of reference numerals:

[0030] 1-chute; 2-fixed components; 3-steel mesh;

[0031] 11-bottom plate; 12-side plate; 13-top plate; 14-connecting plate; 21-adjusting cylinder; 22-adjusting rod; 23-connecting plate; 24-ground nail; 25-connecting piece; 26-rotating rod. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0033] TBM is a tunnel boring machine. It is a large-scale engineering machinery specially used for tunnel excavation. TBM cuts rocks or soil with a rotating cutter head and discharges the slag at the same time, which can achieve continuous excavation. It has the advantages of fast excavation speed, small impact on the surrounding environment, and high construction quality. It is widely used in various tunnel engineering construction, such as railway tunnels, highway tunnels, water conservancy tunnels, etc.

[0034] The TBM slag chute is an important part of the tunnel boring machine (TBM). It is mainly used to receive the slag and rock fragments generated during the TBM excavation process and guide them to the subsequent transportation equipment or slag yard. The slag chute usually has a certain inclination angle and a suitable shape design to ensure that the slag can slide smoothly and avoid blockage and accumulation. Its material needs to have sufficient strength and wear resistance to withstand the impact and friction of the slag.

[0035] An unstable slag chute may result in poor transportation of slag, affect construction efficiency, and even cause safety problems such as slag spilling, etc. Therefore, it is very important to ensure its stability.

[0036] The existing slag chute lacks the necessary supporting structure or has an unreasonable supporting structure, resulting in poor stability. During use, it is easily dislocated due to vibration or external force, affecting normal use. The slag chute for inclined shaft slag discharge provided in the present application has a plurality of fixed components on the outer wall of the chute, and parts of the fixed components are inserted into the ground, thereby improving the stability of the slag chute.

[0037] The specific structure of the slag chute for inclined shaft slag discharge provided in the present application is described in detail below in conjunction with the accompanying drawings.

[0038] Reference Figure 1-Figure 4 As shown, an embodiment of the present application provides a slag chute for inclined shaft slag discharge, comprising a chute 1 and a fixing assembly 2 arranged on the chute 1, wherein a portion of the fixing assembly 2 is inserted into the ground to fix the chute 1;

[0039] The fixing assembly 2 includes an adjusting cylinder 21, an adjusting rod 22, a connecting plate 23 and a ground nail 24;

[0040] The adjusting cylinder 21 is a metal tube body, the inner wall of the adjusting cylinder 21 is provided with an internal thread, the adjusting cylinder 21 is fixed to the side wall of the chute 1, the adjusting cylinder 21 can be welded to the outside of the chute 1, and the open end of the adjusting cylinder 21 is vertically downward, the adjusting rod 22 can be a metal screw, the outer wall of the adjusting rod 22 is provided with an external thread, the adjusting rod 22 is screwed to the adjusting cylinder 21, and the bottom end of the adjusting rod 22 extends out of the adjusting cylinder 21;

[0041] The connecting plate 23 can be a metal plate body, and the connecting plate 23 is arranged at the bottom end of the adjusting rod 22. A plurality of through holes are arranged on the connecting plate 23, and the plurality of through holes are evenly distributed around the center of the connecting plate 23. A plurality of ground nails 24 correspond to the plurality of through holes one by one, and the plurality of ground nails 24 all penetrate the corresponding through holes and are inserted into the ground, thereby fixing the chute 1, improving the stability of the chute 1, avoiding the chute 1 from being dislocated due to vibration or external force during use, and ensuring the stable operation of the chute 1.

[0042] Reference Figure 2As shown, in some embodiments, in order to facilitate the connection plate 23 to fit the ground, the bottom end of the adjustment rod 22 is rotatably connected to the connection plate 23 through a connection member 25;

[0043] The connecting piece 25 is a spherical universal joint, which is composed of a ball and a spherical shell. The ball is arranged in the spherical shell, and the outer wall of the ball is slidably connected to the inner wall of the spherical shell. The moving end of the spherical universal joint is fixedly connected to the bottom end of the adjusting rod 22, and the fixed end of the spherical universal joint is fixedly connected to the middle of the connecting disk 23, that is, the bottom end of the adjusting rod 22 is fixedly connected to the ball, and the spherical shell is fixed to the middle of the upper surface of the connecting disk 23, so that the connecting disk 23 can swing relative to the adjusting rod 22 by a certain amplitude and stably fit the ground.

[0044] Reference Figure 2 As shown, in some embodiments, in order to facilitate the rotation of the adjustment rod 22, a rotating rod 26 is provided on the lower outer wall of the adjustment rod 22. The rotating rod 26 may be a metal rod body, and the extending direction of the rotating rod 26 is perpendicular to the extending direction of the adjustment rod 22.

[0045] During use, when the adjusting rod 22 is rotated clockwise by the rotating rod 26, the adjusting rod 22 moves downward relative to the chute 1. Conversely, when the adjusting rod 22 is rotated counterclockwise, the adjusting rod 22 moves upward relative to the chute 1. The connecting plate 23 is driven up and down by the adjusting rod 22 to make the connecting plate 23 fit the ground. Then, a plurality of ground nails 24 are passed through the corresponding through holes and inserted into the ground to fix the chute 1.

[0046] The slag chute for inclined shaft slag discharge provided in the embodiment of the present application is provided with a fixing component 2 on the chute 1, the fixing component 2 includes an adjusting cylinder 21, an adjusting rod 22, a connecting plate 23 and a ground nail 24, the adjusting cylinder 21 is fixedly provided on the side wall of the chute 1, the adjusting rod 22 is screwed to the adjusting cylinder 21, and the bottom end of the adjusting rod 22 extends out of the adjusting cylinder 21, a connecting plate 23 is provided at the bottom end of the adjusting rod 22, the connecting plate 23 is in contact with the ground, a plurality of ground nails 24 penetrate through holes of the connecting plate 23 and are inserted into the ground, thereby fixing the chute 1, improving the stability of the chute 1, avoiding the chute 1 from being dislocated due to vibration or external force during use, and ensuring the stable operation of the chute 1.

[0047] Reference Figure 1 and Figure 3 As shown, in some embodiments, in order to prevent the slag chute from being blocked by slag and stone, the slag chute for inclined shaft slag discharge further includes a steel mesh 3, which is woven from steel wires;

[0048] The top of the chute 1 is an open end, and the steel mesh 3 is arranged at the top of the chute 1. The chute 1 and the steel mesh 3 together form a slag channel. When blockage occurs, the specific location of the blockage can be seen more intuitively for easy processing.

[0049] Reference Figure 1As shown, in some embodiments, the slag chute is manufactured in sections, and the length of each section of the slag chute is 1.5m. The chute 1 includes a bottom plate 11 and a side plate 12. The bottom plate 11 and the side plate 12 can both be steel plates. The thickness of the bottom plate 11 is adjusted according to the rock or the excavation length.

[0050] The two side panels 12 are mirror-imaged at the two ends of the bottom panel 11, the bottom ends of the side panels 12 are fixedly connected to the outer ends of the bottom panel 11, the top ends of the side panels 12 extend obliquely upward, and the bottom panel 11 and the two side panels 12 are U-shaped or trapezoidal;

[0051] The steel mesh 3 is arranged on the top ends of the two side plates 12 .

[0052] Reference Figure 1 As shown, in some embodiments, the chute 1 further includes a top plate 13, the top plate 13 may be a steel plate, and the bottom plate 11, the side plate 12 and the top plate 13 may be an integrated structure;

[0053] The two top plates 13 are respectively arranged at the top ends of the two side plates 12, the inner ends of the top plates 13 are fixedly connected to the top ends of the side plates 12, and the outer ends of the top plates 13 extend horizontally outwards;

[0054] The steel mesh 3 is arranged on the upper surfaces of the two top plates 13 .

[0055] The top plate 13 is provided with a plurality of first fixing holes, which are circular holes and are evenly distributed along the length direction of the top plate 13 . Bolts penetrate the steel mesh 3 and the first fixing holes to fix the steel mesh 3 on the top plate 13 .

[0056] Reference Figure 3 As shown, in some embodiments, fixing plates are provided at both ends of the steel mesh 3, and a plurality of second fixing holes corresponding to the first fixing holes are provided on the fixing plates, and bolts pass through the first fixing holes and the second fixing holes to fix the steel mesh 3 on the top plate 13.

[0057] Reference Figure 2 As shown, in some embodiments, the chute 1 further includes a connecting plate 14, the connecting plate 14 may be a steel plate, and the bottom plate 11, the side plate 12, the top plate 13 and the connecting plate 14 may be an integrated structure;

[0058] The connecting plate 14 is fixed to the outer wall of the end of the side plate 12. Each chute 1 is provided with four connecting plates 14. The connecting plates 14 are provided with connecting holes, which can be round holes.

[0059] The connecting plates 14 of adjacent chutes 1 are connected, and bolts penetrate the connecting holes of adjacent chutes 1 to connect the adjacent chutes 1 .

[0060] According to the above technical features, the working principle of the slag chute for inclined shaft slag discharge provided by the present application in the actual application scenario is:

[0061] like Figure 4 , determine the position of the first section of the chute 1 and fix it: rotate the adjusting rod 22 by the rotating rod 26, the adjusting rod 22 drives the connecting plate 23 to move up and down, so that the connecting plate 23 fits the ground, and then, a plurality of ground nails 24 are passed through the corresponding through holes and inserted into the ground, thereby fixing the first section of the chute 1;

[0062] The second section chute 1 is fitted with the first section chute 1, so that the connecting plates 14 of the two chutes are fitted, and bolts are passed through the connecting holes of the adjacent chutes 1 to fix the first section chute 1 with the second section chute 1. Similarly, multiple sections of chute 1 are sequentially arranged to form a slag chute;

[0063] When in use, each section of the chute 1 is fixed by multiple fixing components 2 to ensure the stability of the chute 1 and avoid the chute 1 being dislocated due to vibration or external force during use, thereby ensuring the stable operation of the chute 1 and solving the problem that the existing slag chute has poor stability and is prone to dislocation during use, affecting normal use.

[0064] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0065] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A slag chute for inclined shaft slag discharge, characterized in that: It comprises a chute (1) and a fixing assembly (2) arranged on the chute (1), wherein a part of the fixing assembly (2) is inserted into the ground; Wherein, the fixing component (2) comprises: An adjusting cylinder (21), the inner wall of which is provided with an internal thread, the adjusting cylinder (21) is fixedly mounted on the side wall of the chute (1), and the open end of the adjusting cylinder (21) is vertically downward; An adjusting rod (22), wherein the outer wall of the adjusting rod (22) is provided with an external thread, the adjusting rod (22) is threadedly connected to the adjusting cylinder (21), and the bottom end of the adjusting rod (22) extends out of the adjusting cylinder (21); A connecting disk (23), the connecting disk (23) being arranged at the bottom end of the adjusting rod (22), the connecting disk (23) being provided with a plurality of through holes, the plurality of through holes being evenly distributed around the center of the connecting disk (23); Ground nails (24), wherein a plurality of the ground nails (24) correspond one to one with the plurality of through holes, and the plurality of the ground nails (24) all penetrate the corresponding through holes and are inserted into the ground.

2. The slag chute for inclined shaft slag discharge according to claim 1, characterized in that: The bottom end of the adjusting rod (22) is rotatably connected to the connecting plate (23) via a connecting piece (25); The connecting member (25) is a spherical universal joint, the moving end of the spherical universal joint is fixedly connected to the bottom end of the adjusting rod (22), and the fixed end of the spherical universal joint is fixedly connected to the middle part of the connecting plate (23).

3. The slag chute for inclined shaft slag discharge according to claim 1, characterized in that: A rotating rod (26) is provided on the lower outer wall of the adjusting rod (22), and the extending direction of the rotating rod (26) is perpendicular to the extending direction of the adjusting rod (22).

4. The slag chute for inclined shaft slag discharge according to any one of claims 1 to 3, characterized in that: The slag chute for inclined shaft slag discharge also includes a steel mesh (3); The top end of the chute (1) is an open end, the steel mesh (3) is arranged at the top end of the chute (1), and the chute (1) and the steel mesh (3) together form a slag chute channel.

5. The slag chute for inclined shaft slag discharge according to claim 4, characterized in that: The chute (1) comprises a bottom plate (11) and a side plate (12); The two side panels (12) are mirror-imaged at the two ends of the bottom panel (11), the bottom ends of the side panels (12) are fixedly connected to the outer ends of the bottom panel (11), and the top ends of the side panels (12) extend obliquely upward; The steel mesh (3) is arranged on the top ends of the two side plates (12).

6. The slag chute for inclined shaft slag discharge according to claim 5, characterized in that: The chute (1) further comprises a top plate (13); The two top plates (13) are respectively arranged at the top ends of the two side plates (12), the inner ends of the top plates (13) are fixedly connected to the top ends of the side plates (12), and the outer ends of the top plates (13) extend horizontally outwards; The steel mesh (3) is arranged on the upper surfaces of the two top plates (13).

7. The slag chute for inclined shaft slag discharge according to claim 6, characterized in that: The top plate (13) is provided with a plurality of first fixing holes, and bolts penetrate the steel mesh (3) and the first fixing holes so that the steel mesh (3) is fixed to the top plate (13).

8. The slag chute for inclined shaft slag discharge according to claim 7, characterized in that: The two ends of the steel mesh (3) are provided with fixing plates, the fixing plates are provided with a plurality of second fixing holes corresponding to the first fixing holes, and bolts penetrate the first fixing holes and the second fixing holes so that the steel mesh (3) is fixed to the top plate (13).

9. The slag chute for inclined shaft slag discharge according to claim 5, characterized in that: The chute (1) further comprises a connecting plate (14); The connecting plate (14) is fixedly mounted on the outer wall of the end of the side plate (12), and a connecting hole is provided on the connecting plate (14); The connecting plates (14) of adjacent chutes (1) are connected, and bolts penetrate the connecting holes of adjacent chutes (1) to connect the adjacent chutes (1).

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