Slag transferring hopper for inclined shaft TBM (Tunnel Boring Machine)

Abstract

The utility model provides a slag transferring hopper for an inclined shaft TBM, and relates to the technical field of TBM equipment, the slag transferring hopper comprises a slag conveying mechanism and a slag transferring mechanism, the discharging end of the slag conveying mechanism is matched with the feeding end of the slag transferring mechanism, a fixing assembly is arranged on the slag conveying mechanism, and a rotating shaft is rotationally connected with the fixing assembly; the first connecting assembly is arranged at the top end of the rotating shaft, the slag material chute is connected with the first connecting assembly, the first end of the first telescopic assembly is hinged to the slag material conveying mechanism or the fixing assembly, and the second end of the first telescopic assembly is hinged to the first connecting assembly or the slag material chute. The slag chute, the first connecting assembly and the rotating shaft are driven to rotate, so that the position of the discharging end of the slag chute is adjusted, the slag chute can convey slag for slag conveying vehicles at multiple positions, the multiple slag conveying vehicles can receive materials under the chute at the same time, continuous slag loading and discharging and continuous tunneling and slag discharging of equipment are achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of TBM equipment, and in particular to a slag hopper for inclined shaft TBM. 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. Conventional TBM tunnel boring machine is suitable for flat tunnel construction with a slope of ±5%. The slag transfer method uses a continuous belt to transfer it to the outside of the tunnel. For inclined shaft TBM tunnel boring machine with a large slope, a slag hopper needs to be designed to solve the problem of continuous slag discharge in inclined tunnels with a large slope.

[0003] The slag hopper is a component used in conjunction with the TBM. Its main function is to receive the slag, rock, etc. that falls from the TBM, and temporarily store and transport them to the outside of the tunnel for further processing through specific methods (such as conveyor belts, mine cars, etc.). Existing slag hoppers are usually fixed. When the slag is transported by a slag truck, it is necessary to stop transporting when the slag truck is full. When the next slag truck arrives at the designated location, it will continue to transport. This working method requires a certain waiting time, and continuous excavation and slag discharge are impossible, resulting in reduced work efficiency. Utility Model Content

[0004] The embodiment of the present application provides a slag hopper for an inclined shaft TBM. The slag hopper can rotate at a certain angle to allow two slag trucks to receive materials under the chute at the same time, continuously load and discharge slag, and the equipment to continuously excavate and discharge slag. This solves the problem that the existing slag hopper can only allow one slag truck to receive materials under the chute, there is a certain waiting time during operation, and continuous excavation and slag discharge are impossible, resulting in reduced work efficiency.

[0005] The embodiment of the present application provides a slag transfer hopper for an inclined shaft TBM, comprising a slag conveying mechanism and a slag transfer mechanism, wherein the discharge end of the slag conveying mechanism cooperates with the feed end of the slag transfer mechanism;

[0006] Wherein, the slag transfer mechanism comprises:

[0007] A fixed component, wherein the fixed component is fixedly mounted on the slag conveying mechanism;

[0008] A rotating shaft, the rotating shaft is rotatably connected to the fixed assembly, and the rotating shaft is vertically arranged;

[0009] A first connecting component, wherein the first connecting component is disposed at a top end of the rotating shaft;

[0010] A slag chute, the slag chute is connected to the first connecting assembly, the slag chute has a feed end and a discharge end, the feed end of the slag chute cooperates with the discharge end of the slag conveying mechanism;

[0011] A first telescopic component, wherein the first end of the first telescopic component is hinged to the slag conveying mechanism or the fixed component, the second end of the first telescopic component is hinged to the first connecting component or the slag chute, and the first telescopic component drives the rotating shaft, the first connecting component and the slag chute to rotate so as to adjust the position of the discharge end of the slag chute.

[0012] In a feasible implementation, the slag hopper for inclined shaft TBM further includes a second connecting assembly and a second telescopic assembly;

[0013] The second connecting component is arranged at the bottom end of the rotating shaft, the first end of the second telescopic component is connected to the second connecting component, the second end of the second telescopic component is hinged to the slag chute, and the second telescopic component drives the slag chute to swing to adjust the inclination angle of the slag chute.

[0014] In a feasible implementation, the first connection assembly includes a bow-shaped plate, a connection shaft and a support plate;

[0015] The bow-shaped plate is fixed on the top of the rotating shaft, the connecting shaft is rotatably connected to the bow-shaped plate, the connecting shaft is horizontally arranged, a plurality of support plates are evenly arranged on the connecting shaft, and the tops of the plurality of support plates are connected to the outer wall of the slag chute.

[0016] In a feasible implementation, the fixing assembly includes a fixing plate, a connecting plate and a cylinder;

[0017] The fixed plate is fixedly arranged on the slag conveying mechanism, one end of the connecting plate is fixedly connected to the fixed plate, and the other end is fixedly connected to the cylinder, and the rotating shaft is plugged into the cylinder.

[0018] In a feasible implementation, a thrust ball bearing is provided at the upper end of the cylinder, the rotating shaft is plugged into the thrust ball bearing, and the bottom end of the bow-shaped plate is connected to the top end of the thrust ball bearing.

[0019] In a feasible implementation, the first ends of the two first telescopic components are respectively hinged to the two ends of the fixed plate, the second ends of the two first telescopic components are respectively hinged to the two ends of the bow-shaped plate, and the two first telescopic components are arranged in parallel or in an eight-shaped arrangement.

[0020] In a feasible implementation, a plurality of first through holes are provided on both sides of the fixed plate, and a plurality of second through holes are provided on the frame of the slag conveying mechanism. The plurality of first through holes correspond one to one with the plurality of second through holes. Bolts penetrate the corresponding first through holes and the second through holes to fix the slag transfer mechanism and the slag conveying mechanism in connection.

[0021] In a feasible implementation, a hopper is provided at the feed end of the slag chute, the hopper cooperates with the discharge end of the slag conveying mechanism, and the hopper is coaxial with the rotating shaft.

[0022] The embodiment of the present application provides a slag hopper for an inclined shaft TBM, which is provided with a fixed component on a slag conveying mechanism, a rotating shaft is rotatably connected to the fixed component, and the rotating shaft is vertically arranged, a first connecting component is arranged at the top end of the rotating shaft, a slag chute is connected to the first connecting component, the slag chute has a feeding end and a discharging end, a first end of the first telescopic component is hinged to the slag conveying mechanism or the fixed component, and a second end of the first telescopic component is hinged to the first connecting component or the slag chute, and the slag chute, the first connecting component and the rotating shaft are driven to rotate by the telescopic first telescopic component, so as to adjust the position of the discharging end of the slag chute, so that the slag chute can convey slag to slag trucks at multiple positions, and multiple slag trucks can simultaneously receive materials under the chute, thereby realizing continuous slag loading and discharging, continuous excavation and discharging of equipment, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a slag hopper for inclined shaft TBM provided by the present application;

[0024] Figure 2 It is a structural schematic diagram of the slag transfer mechanism;

[0025] Figure 3 is a schematic diagram of a first telescopic assembly and its connection structure;

[0026] Figure 4 It is a schematic diagram of the working status of the slag hopper.

[0027] Description of reference numerals:

[0028] 1- slag conveying mechanism; 2- slag transfer mechanism;

[0029] 21-fixed component; 22-rotating shaft; 23-first connecting component; 24-slag chute; 25-first telescopic component; 26-second connecting component; 27-second telescopic component;

[0030] 211 -fixed plate; 212 -connecting plate; 213 -cylinder; 231 -bow-shaped plate; 232 -connecting shaft; 233 -supporting plate. DETAILED DESCRIPTION

[0031] 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.

[0032] 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.

[0033] The TBM slag hopper is a component used in conjunction with the TBM. It is usually located below the excavation end of the TBM, and its main function is to receive the slag, rocks, etc. that fall from the TBM, and temporarily store and transport them. Existing slag hoppers are usually fixed. When the slag is transported by a slag truck, it is necessary to stop transporting when the slag truck is full. When the next slag truck arrives at the designated location, it continues to transport. This working method involves a certain waiting time, and continuous excavation and slag discharge are impossible, resulting in reduced work efficiency. The slag hopper for the inclined shaft TBM provided in this application can be rotated at a certain angle, which can meet the needs of two slag trucks to receive materials under the chute at the same time, realize continuous slag loading and discharge, and continuous excavation and slag discharge of the equipment, thereby improving work efficiency.

[0034] The specific structure of the slag hopper for inclined shaft TBM provided by the present application is described in detail below with reference to the accompanying drawings.

[0035] Reference Figure 1-Figure 4 As shown, the embodiment of the present application provides a slag hopper for inclined shaft TBM, including a slag conveying mechanism 1 and a slag transfer mechanism 2. The slag conveying mechanism 1 is used to convey slag, rock fragments, etc. generated during TBM excavation. The discharge end of the slag conveying mechanism 1 cooperates with the feed end of the slag transfer mechanism 2. The slag transfer mechanism 2 is used to store and transport the slag to a slag transport vehicle.

[0036] The slag transfer mechanism 2 includes a fixed component 21, a rotating shaft 22, a first connecting component 23, a slag chute 24 and a first telescopic component 25;

[0037] The fixed component 21 can be a fixed frame, the fixed component 21 is fixedly mounted on the slag conveying mechanism 1, the rotating shaft 22 is rotatably connected to the fixed component 21, the rotating shaft 22 is vertically arranged, the first connecting component 23 can be a metal support frame, the first connecting component 23 is arranged at the top of the rotating shaft 22, the slag chute 24 is a slag slide, and can be made of metal. The slag chute 24 is connected to the first connecting component 23, and the slag chute 24 has a feeding end and a discharging end, and the feeding end of the slag chute 24 cooperates with the discharging end of the slag conveying mechanism 1;

[0038] The first telescopic component 25 can be a telescopic part such as an electric push rod, a telescopic rod, etc. The first end of the first telescopic component 25 is hinged to the slag conveying mechanism 1 or the fixed component 21, and the second end of the first telescopic component 25 is hinged to the first connecting component 23 or the slag chute 24. The first telescopic component 25 drives the rotating shaft 22, the first connecting component 23 and the slag chute 24 to rotate to adjust the position of the discharge end of the slag chute 24.

[0039] The embodiment of the present application provides a slag hopper for an inclined shaft TBM, wherein a fixed component 21 is arranged on a slag conveying mechanism 1, a rotating shaft 22 is rotatably connected to the fixed component 21, and the rotating shaft 22 is arranged vertically, a first connecting component 23 is arranged at the top of the rotating shaft 22, a slag chute 24 is connected to the first connecting component 23, the slag chute 24 has a feeding end and a discharging end, a first end of a first telescopic component 25 is hinged to the slag conveying mechanism 1 or the fixed component 21, and a second end of the first telescopic component 25 is hinged to the first connecting component 23 or the slag chute 24, and the first telescopic component 25 is telescoped to drive the slag chute 24, the first connecting component 23 and the rotating shaft 22 to rotate, thereby adjusting the position of the discharging end of the slag chute 24, and then the slag chute 24 can convey slag to slag trucks at multiple positions, so that multiple slag trucks can receive materials under the chute at the same time, thereby realizing continuous slag loading and discharging, continuous excavation and discharging of equipment, and improving work efficiency.

[0040] Reference Figure 1 As shown, in some embodiments, the slag hopper for inclined shaft TBM further includes a second connecting assembly 26 and a second telescopic assembly 27, the second connecting assembly 26 can be a connecting frame, and the second telescopic assembly 27 can be a telescopic member such as an electric push rod and a telescopic rod;

[0041] The second connecting component 26 is arranged at the bottom end of the rotating shaft 22, the first end of the second telescopic component 27 is connected to the second connecting component 26, and the second end of the second telescopic component 27 is hinged to the slag chute 24. The slag chute 24 is driven to swing up and down by the telescopic movement of the second telescopic component 27 to adjust the inclination angle of the slag chute 24.

[0042] Reference Figure 2 As shown, in some embodiments, the first connecting assembly 23 includes a bow-shaped plate 231, a connecting shaft 232, and a supporting plate 233;

[0043] The arch plate 231 is an arched metal part, which is fixed to the top of the rotating shaft 22, and the axis of the rotating shaft 22 passes through the center of the arch plate 231. The length of the connecting shaft 232 matches the rotation of the arch plate 231. The connecting shaft 232 is rotatably connected to the arch plate 231. The connecting shaft 232 is horizontally arranged, and a plurality of support plates 233 are evenly arranged on the connecting shaft 232. The tops of the plurality of support plates 233 are all connected to the lower surface of the slag chute 24, thereby supporting the slag chute 24.

[0044] The rotating shaft 22 drives the bow plate 231, the rotating shaft 22 and multiple support plates 233 to rotate, thereby driving the slag chute 24 to rotate left and right; when the second telescopic component 27 is extended and retracted, the slag chute 24 drives the multiple support plates 233 and the connecting shaft 232 to rotate relative to the bow plate 231 and the rotating shaft 22, so that the discharge end of the slag chute 24 swings up and down.

[0045] Reference Figure 2 As shown, in some embodiments, the fixing assembly 21 includes a fixing plate 211, a connecting plate 212 and a cylinder 213;

[0046] The fixed plate 211 can be a square metal plate body, and the fixed plate 211 is fixedly mounted on the slag conveying mechanism 1. The connecting plate 212 can be a vertically arranged plate body, and the cylinder 213 is a vertically arranged metal cylinder. The rear end of the connecting plate 212 is fixedly connected to the fixed plate 211, and the front end is fixedly connected to the cylinder 213. The rotating shaft 22 is inserted into the cylinder 213, and the rotating shaft 22 is rotatably connected to the cylinder 213.

[0047] Reference Figure 1 and Figure 2 As shown, in some embodiments, a thrust ball bearing is provided at the upper end of the cylinder 213, and the thrust ball bearing mainly bears the axial load and can bear the thrust load when running at high speed. The thrust ball bearing is composed of a seat ring, a shaft ring, a steel ball and a retainer. The thrust ball bearing is inserted into the rotating shaft 22, and the bottom end of the arch plate 231 is connected to the top end of the thrust ball bearing, so as to avoid friction between the cylinder 213 and the arch plate 231.

[0048] Reference Figure 3 As shown, in some embodiments, two first telescopic components 25 are provided, the right ends of the two first telescopic components 25 are respectively hinged to the two ends of the fixed plate 211, the left ends of the two first telescopic components 25 are respectively hinged to the two ends of the bow plate 231, the two first telescopic components 25 are arranged in parallel or in an eight-shaped arrangement, and the two first telescopic components 25 cooperate with each other to push the bow plate 231 to rotate, thereby driving the slag chute 24 to rotate.

[0049] Reference Figure 2As shown, in some embodiments, a plurality of first through holes are provided on both sides of the fixing plate 211, and a plurality of second through holes are provided on the frame of the slag conveying mechanism 1. The plurality of first through holes correspond to the plurality of second through holes one by one, and bolts penetrate the corresponding first through holes and second through holes to fix the slag transfer mechanism 2 and the slag conveying mechanism 1 in connection.

[0050] Reference Figure 1 As shown, in some embodiments, a hopper is provided at the feed end of the slag chute 24 , the hopper cooperates with the discharge end of the slag conveying mechanism 1 , and the hopper is coaxial with the rotating shaft 22 .

[0051] According to the above technical features, the working principle of the slag hopper for inclined shaft TBM provided by this application in actual application scenarios is:

[0052] like Figure 4 As shown, the slag transport vehicle on the left is located at the first working position, and the slag transport vehicle on the right is located at the second working position. At this time, the slag chute 24 transports slag to the slag transport vehicle on the right. When the slag transport vehicle on the right is full, the first telescopic assembly 25 on the left is shortened, and the first telescopic assembly 25 on the right is extended, so that the first connecting assembly 23 and the rotating shaft 22 rotate clockwise, so that the feeding end of the front end of the slag chute 24 rotates leftward, so that the slag chute 24 transports slag to the slag transport vehicle on the left, thereby realizing uninterrupted transportation.

[0053] Then, the slag truck on the right side that is full of slag drives out of the second workstation, and the empty slag truck drives into the second workstation to wait for loading. When the slag truck on the left side is full, the first telescopic assembly 25 on the left side extends, and the first telescopic assembly 25 on the right side shortens, so that the first connecting assembly 23 and the rotating shaft 22 rotate counterclockwise, so that the feeding end of the front end of the slag chute 24 rotates to the right, so that the slag chute 24 transports slag to the slag truck in the second workstation.

[0054] The slag hopper for inclined shaft TBM provided in the present application can rotate at a certain angle, which can meet the needs of two slag trucks to receive materials under the chute at the same time, continuously load and discharge slag, and the equipment continuously excavates and discharges slag. This solves the problem that the existing slag hopper can only allow one slag truck to receive materials under the chute, there is a certain waiting time during operation, and continuous excavation and slag discharge are impossible, resulting in reduced work efficiency.

[0055] 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.

[0056] 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 hopper for inclined shaft TBM, characterized by: It comprises a slag conveying mechanism (1) and a slag transfer mechanism (2), wherein the discharge end of the slag conveying mechanism (1) cooperates with the feed end of the slag transfer mechanism (2); Wherein, the slag transfer mechanism (2) comprises: A fixing component (21), wherein the fixing component (21) is fixedly mounted on the slag conveying mechanism (1); A rotating shaft (22), the rotating shaft (22) is rotatably connected to the fixing assembly (21), and the rotating shaft (22) is vertically arranged; A first connecting component (23), wherein the first connecting component (23) is arranged at the top end of the rotating shaft (22); a slag chute (24), the slag chute (24) being connected to the first connecting assembly (23), the slag chute (24) having a feed end and a discharge end, the feed end of the slag chute (24) being matched with the discharge end of the slag conveying mechanism (1); A first telescopic component (25), wherein a first end of the first telescopic component (25) is hinged to the slag conveying mechanism (1) or the fixed component (21), and a second end of the first telescopic component (25) is hinged to the first connecting component (23) or the slag chute (24), and the first telescopic component (25) drives the rotating shaft (22), the first connecting component (23) and the slag chute (24) to rotate so as to adjust the position of the discharge end of the slag chute (24).

2. The slag hopper for inclined shaft TBM according to claim 1, characterized in that: The slag transfer hopper for inclined shaft TBM also includes a second connecting assembly (26) and a second telescopic assembly (27); The second connecting component (26) is arranged at the bottom end of the rotating shaft (22), the first end of the second telescopic component (27) is connected to the second connecting component (26), the second end of the second telescopic component (27) is hinged to the slag chute (24), and the second telescopic component (27) drives the slag chute (24) to swing so as to adjust the inclination angle of the slag chute (24).

3. The slag hopper for inclined shaft TBM according to claim 2, characterized in that: The first connecting assembly (23) comprises a bow-shaped plate (231), a connecting shaft (232) and a supporting plate (233); The bow-shaped plate (231) is fixedly arranged at the top end of the rotating shaft (22), the connecting shaft (232) is rotatably connected to the bow-shaped plate (231), the connecting shaft (232) is horizontally arranged, and a plurality of support plates (233) are evenly arranged on the connecting shaft (232), and the top ends of the plurality of support plates (233) are all connected to the outer wall of the slag chute (24).

4. The slag hopper for inclined shaft TBM according to claim 3, characterized in that: The fixing assembly (21) comprises a fixing plate (211), a connecting plate (212) and a cylinder (213); The fixed plate (211) is fixedly mounted on the slag conveying mechanism (1); one end of the connecting plate (212) is fixedly connected to the fixed plate (211) and the other end is fixedly connected to the cylinder (213); and the rotating shaft (22) is plugged into the cylinder (213).

5. The slag hopper for inclined shaft TBM according to claim 4, characterized in that: A thrust ball bearing is provided at the upper end of the cylinder (213), the rotating shaft (22) is plugged into the thrust ball bearing, and the bottom end of the bow-shaped plate (231) is connected to the top end of the thrust ball bearing.

6. The slag transfer hopper for inclined shaft TBM according to claim 4, characterized in that: The first ends of the two first telescopic components (25) are respectively hinged to the two ends of the fixed plate (211), and the second ends of the two first telescopic components (25) are respectively hinged to the two ends of the arch plate (231), and the two first telescopic components (25) are arranged in parallel or in an eight-shaped arrangement.

7. The slag hopper for inclined shaft TBM according to claim 4, characterized in that: A plurality of first through holes are provided on both sides of the fixing plate (211), and a plurality of second through holes are provided on the frame of the slag conveying mechanism (1), the plurality of first through holes correspond to the plurality of second through holes one by one, and bolts penetrate the corresponding first through holes and second through holes, so that the slag transfer mechanism (2) and the slag conveying mechanism (1) are fixedly connected.

8. The slag hopper for inclined shaft TBM according to any one of claims 1 to 7, characterized in that: A hopper is provided at the feed end of the slag chute (24), the hopper cooperates with the discharge end of the slag conveying mechanism (1), and the hopper is coaxial with the rotating shaft (22).

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