Device for collecting back-drilling dropped slag of long vertical shaft

Abstract

The utility model discloses a long shaft back drilling fallen slag collecting device, the structure mainly comprises a collecting piece, a blowing piece and a slag collecting piece, the collecting piece is provided with a collecting cavity and a discharging cavity, slag stones are collected through the collecting cavity, the slag stones falling into the collecting cavity move transversely under the action of the blowing piece, and the slag stones are discharged through the discharging cavity. According to the slag collecting device, the impact of the slag stones on the inner wall of the collecting cavity in the falling direction is reduced, the situation that the inner wall of the collecting cavity is damaged due to the fact that the impact is large when the slag stones fall into the collecting cavity is avoided, and then the slag stones enter the slag collecting piece under the action of the inclined inner wall of the collecting cavity, the inclined bottom inner wall of the discharging cavity and the gravity.

Description

Technical Field

[0001] The utility model relates to the technical field of slag collection, in particular to a slag collection device for backdrilling a long vertical shaft. Background Art

[0002] When digging a water diversion tunnel, a long ventilation shaft is an important component of the water diversion tunnel. Due to the longitudinal construction characteristics of the long shaft, a reverse well drilling rig is usually used for digging. During digging, a smaller diameter drill bit is needed to dig a guide channel from top to bottom, and then the smaller drill bit is replaced with a larger drill bit, and then the hole is reversed from bottom to top to form a guide well. Finally, the long shaft is dug using manual drilling and blasting.

[0003] In the prior art, the debris generated during the back-drilling of the pilot well falls into the tunnel through the pilot well and is finally cleaned up by a forklift. However, this cleaning method still has the following problems:

[0004] 1. As the height of the long vertical shaft backdrilling becomes higher and higher, the impact of the slag falling onto the inner wall of the tunnel, the support device or the collection device is greater, which will cause damage to the inner wall of the tunnel, the support device or the collection device.

[0005] Therefore, there is an urgent need for a long shaft backdrilling slag collection device that can collect slag in time, thereby improving the situation where slag causes damage to the tunnel inner wall, support device and collection device. Utility Model Content

[0006] The purpose of the utility model is to provide a long shaft back drilling slag collection device, so that the slag can be collected in time, thereby improving the technical problem that the slag causes damage to the tunnel inner wall, support device and collection device.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A device for collecting debris dropped during back drilling of a long vertical shaft, used for collecting debris dropped from a guide shaft during tunnel excavation, characterized by comprising:

[0009] A device for collecting debris dropped during back drilling of a long vertical shaft, used for collecting debris dropped from a guide shaft during tunnel excavation, characterized by comprising:

[0010] The top of the collecting piece is in contact with the inner wall of the tunnel. The collecting piece is provided with a collecting cavity and a discharging cavity. The collecting cavity is connected to the guide well. The inner wall of the collecting cavity is inclined.

[0011] The discharge cavity is arranged at the bottom of the collecting cavity and is communicated with the collecting cavity, and the bottom of the vertical discharge cavity is arranged obliquely;

[0012] a blowing member connected to the collecting chamber through a pipe; and

[0013] The slag collecting piece is connected to the bottom of the outer wall of the collecting piece, and the slag collecting piece is connected to the discharge cavity.

[0014] In some embodiments, the distances between the opposite side walls of the collection chamber decrease sequentially along the direction of gravity.

[0015] In some embodiments, a vibration chamber is provided at the bottom of the discharge chamber, a vibration member is provided in the vibration chamber, the top end of the vibration member is connected to the bottom of the discharge chamber, and the bottom end of the vibration member is connected to the inner wall of the bottom of the vibration chamber.

[0016] In some embodiments, there are multiple vibration members, and the multiple vibration members are arranged in the vibration cavity at intervals.

[0017] In some embodiments, a crushing chamber is provided between the discharge chamber and the collection chamber, and two oppositely arranged crushing rollers are provided in the crushing chamber. Both ends of the two crushing rollers are rotatably connected to the inner wall of the crushing chamber, and the discharge chamber and the collection chamber are connected through the crushing chamber.

[0018] In some embodiments, the slag collecting member is detachably connected to the collecting member.

[0019] In some embodiments, a plurality of protrusions are provided on the crushing roller, and the plurality of protrusions are spaced apart along the axial direction and the circumferential direction of the crushing roller.

[0020] In some embodiments, a rubber pad is provided on the side wall of the collecting chamber, and a plurality of shock-absorbing springs are provided between the rubber pad and the side wall of the collecting chamber at intervals.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] In the present invention, slag is collected by a collecting chamber, and the slag that falls into the collecting chamber is displaced laterally under the action of the blowing member, so that the impact of the slag on the inner wall of the collecting chamber along the falling direction is reduced, thereby avoiding a large impact when the slag falls into the collecting chamber, thereby avoiding damage to the inner wall of the collecting chamber. Then, the slag enters the slag collecting member under the action of the inclined inner wall of the collecting chamber, the inclined bottom inner wall of the discharge chamber and gravity, thereby completing the collection of the slag, thereby making the collection of the slag sustainable while preventing the slag from causing damage to the inner wall of the tunnel, the support device and the collecting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1This is a schematic front cross-sectional view of a device for collecting slag from backdrilling of a long vertical shaft according to an embodiment of the present application;

[0025] Figure 2 This is a side cross-sectional schematic diagram of a long vertical shaft backdrilling slag collection device according to an embodiment of the present application;

[0026] Figure 3 This is a schematic top view of a device for collecting slag from backdrilling in a long vertical shaft according to an embodiment of the present application;

[0027] Figure 4 This is a schematic diagram of a collecting component of a long vertical shaft backdrilling slag collection device according to an embodiment of the present application;

[0028] Figure 5 This is a schematic diagram of the air guide duct of the long vertical shaft backdrilling slag collection device according to an embodiment of the present application;

[0029] Reference numerals:

[0030] 100-collecting element, 110-collecting chamber, 120-discharging chamber, 130-vibrating chamber, 140-crushing chamber,

[0031] 200-tunnel, 210-guide shaft,

[0032] 300-blowing parts,

[0033] 400-slag collection parts,

[0034] 500-vibration parts,

[0035] 600-crushing roller, 610-bump, 620-roller body, 630-driving element,

[0036] 700-Rubber pad,

[0037] 800- shock absorber spring,

[0038] 900-first support frame, 910-first support platform, 920-first lifting column,

[0039] 1000-second support frame, 1100-second support platform, 1200-second lifting column,

[0040] 2000-air duct, 2100-air hole. DETAILED DESCRIPTION

[0041] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0042] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0043] In the description of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] In addition, the terms "first", "second", "third", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.

[0045] Furthermore, the use of terms such as "horizontal," "vertical," and "overhanging" does not necessarily imply that the component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0046] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0047] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0048] It should be understood that when digging a long vertical shaft, a reverse drilling rig is usually used for excavation. During excavation, a smaller diameter drill bit is used to dig a guide channel from top to bottom, and then the smaller drill bit is replaced with a larger drill bit, and then the hole is reversed from bottom to top to form a guide well 210. Finally, manual drilling and blasting is used to dig the long vertical shaft.

[0049] However, it is difficult to collect and clean the debris that falls when digging the guide well 210, and it is easy to cause damage to the inner wall of the tunnel 200 and other devices in the tunnel 200. In addition, since the debris cannot be cleaned and collected at any time, if the construction workers fail to clean the accumulated debris in time, it may cause a lot of debris to accumulate, and finally block the hole at the bottom of the guide well 210, so that subsequent debris will accumulate in the guide well 210, making subsequent cleaning more difficult. When using cleaning equipment such as a forklift to clean, the debris cannot be completely cleaned, and manual auxiliary cleaning is required to clean up the debris that the forklift cannot shovel, which consumes time and labor.

[0050] In order to improve the above problems, Figure 1 and Figure 4 As shown, this embodiment provides a long vertical shaft backdrilling slag collection device, including a collecting part 100, a discharge chamber 120, a blowing part 300 and a slag collecting part 400. This device is mainly used to collect fallen slag and improve the situation where the slag causes damage to the inner wall of the tunnel 200, the support device and the collection device.

[0051] The collecting piece 100 serves as the installation base for most components. The collecting piece 100 can be a rectangular body, a cylindrical body, or other deformable bodies. In this embodiment, the collecting piece 100 is a rectangular body, wherein the opening at the top of the collecting piece 100 fits against the inner wall of the tunnel 200, thereby preventing slag from falling through the gap between the collecting piece 100 and the inner wall of the tunnel 200.

[0052] Among them, the collecting piece 100 and the tunnel 200 can be connected by a sealing device to further prevent slag and stone from falling between the collecting piece 100 and the tunnel 200. Specifically, the sealing device can be made of rubber, one end of the sealing device is adapted to the inner wall of the tunnel 200, and the other end of the sealing device is detachably connected to the top of the collecting piece 100.

[0053] When the collection device is installed, the collection piece 100 is arranged at the bottom of the guide well 210 and is connected to the guide well 210. Specifically, the collection piece 100 is provided with a collection chamber 110, a crushing chamber 140, a discharge chamber 120 and a vibration chamber 130 in sequence along the direction of gravity. The opening of the collection chamber 110 is connected to the guide well 210, so that the slag falls directly into the collection chamber 110, wherein each cavity is separated by the cavity wall.

[0054] like Figure 1-Figure 3As shown, the inner walls on the four sides of the collecting chamber 110 are arranged inclined. Specifically, the distance between the two opposite inner walls is sequentially spaced along the direction of gravity, so that the four inner walls set the collecting chamber 110 into an inverted isosceles trapezoidal structure, wherein the top with the smallest distance between the four inner walls is the discharge port of the collecting chamber 110, and the slag rolls along the inclined inner wall of the collecting chamber 110 to the discharge port, and then enters the crushing chamber 140 arranged at the bottom of the collecting chamber 110.

[0055] The spacing between the four inner walls can be selected according to the diameter of the guide well 210 .

[0056] Two crushing rollers 600 are provided in the crushing chamber 140. Figure 1-Figure 3 As shown, both ends of the crushing roller 600 are rotatably connected to the side inner wall of the crushing chamber 140, and the distance between the two crushing rollers 600 is reduced. The two crushing rollers 600 are arranged below the discharge port of the collecting chamber 110, and the two crushing rollers 600 are symmetrically arranged in the space below the discharge port of the collecting chamber 110, so that the slag falling from the collecting chamber 110 can directly fall into the gap between the two crushing rollers 600, wherein the rotating crushing roller 600 can squeeze and crush the fallen slag, thereby avoiding the slag being large and irregular in size, which in turn causes the slag to occupy a larger space, which is not conducive to the collection of the slag. At the same time, it can also avoid the slag being large in size, thereby preventing the passage between each cavity, thereby making the collection device unable to operate smoothly.

[0057] In a more complete solution, such as Figure 1-Figure 3 As shown, the surface of the crushing roller 600 is provided with a plurality of protrusions 610, and the plurality of protrusions 610 are arranged in sequence and spaced apart along the axial and circumferential directions of the crushing roller 600, so that the protrusions 610 exert a squeezing force on the slag and stone falling onto the surface of the crushing roller 600, thereby enabling the crushing roller 600 to crush the slag and stone more smoothly.

[0058] Among them, the two crushing rollers 600 in the crushing chamber 140 can adopt the structure of a roller crusher. Specifically, the crushing roller 600 mainly includes a roller body 620 and a driving member 630, which is rotatably arranged in the crushing chamber 140. One end of the roller body 620 is connected to the driving member 630, and the other end of the roller body 620 is rotatably connected to the inside of the crushing chamber 140. The driving member 630 is arranged on the outer wall of the collecting member 100. In this embodiment, the rotating shaft of the driving member 630 is axially connected to one end of the roller body 620, and the protrusions 610 are arranged in sequence along the axial and circumferential directions of the roller body 620, so that when the driving member 630 rotates, it can drive the roller body 620 to rotate, thereby crushing the slag and stone.

[0059] The discharge chamber 120 is arranged at the bottom of the crushing chamber 140 and is connected to the crushing chamber 140. Specifically, the bottom inner wall of the discharge chamber 120 is inclinedly arranged at the bottom of the crushing chamber 140, and one side of the bottom of the discharge chamber 120 is connected to the side wall of the top of the slag collecting piece 400, so that the slag crushed by the crushing roller 600 falls to the inner wall of the bottom of the discharge chamber 120, and slides along the bottom inner wall surface of the discharge chamber 120 into the slag collecting piece 400 under the action of gravity.

[0060] like Figure 1-Figure 3 As shown, a detachable first support frame 900 is provided at the bottom of the collecting piece 100. The first support frame 900 is used to support the collecting piece 100, so that the bottom of the collecting piece 100 is consistent in height with the top of the slag collecting piece 400. Under the action of gravity, the slag slides along the bottom inner wall surface of the discharge chamber 120 into the slag collecting piece 400. In addition, the setting of the first support frame 900 can also make the collecting piece 100 stably fit against the inner wall of the tunnel.

[0061] Among them, the first support frame 900 has a first support platform 910 and multiple first lifting columns 920. The multiple first lifting columns 920 are arranged in sequence along the circumference of the lower surface of the first support platform 910. Specifically, the first lifting columns 920 can adopt telescopic structures such as telescopic rods and hydraulic cylinders. In this embodiment, the first lifting columns 920 adopt hydraulic cylinders.

[0062] In this embodiment, Figure 1-Figure 3 As shown, a second support frame 1000 is provided at the bottom of the slag collecting piece 400, and the second support frame 1000 is used to support the slag collecting piece 400, so that the bottom of the collecting piece 100 is at the same height as the top of the slag collecting piece 400. Under the action of gravity, the slag slides along the bottom inner wall surface of the discharge chamber 120 into the slag collecting piece 400.

[0063] Among them, the second support frame 1000 has a second support platform 1100 and multiple second lifting columns 1200. The multiple second lifting columns 1200 are arranged in sequence along the circumference of the lower surface of the second support platform 1100. Specifically, the second lifting columns 1200 can adopt telescopic structures such as telescopic rods and hydraulic cylinders. In this embodiment, the second lifting columns 1200 adopt hydraulic cylinders.

[0064] The slag collecting member 400 is a structure having a space inside for storing slag and rocks. The slag collecting member 400 may be a rectangular body, a cylindrical body or other structures. In this embodiment, the slag collecting member 400 is a rectangular body structure.

[0065] In this embodiment, a buffer pad is provided on the upper surface of the inclined inner wall of the discharge cavity 120 to prevent the inner wall at the bottom of the discharge cavity 120 from being damaged by falling debris. The buffer pad can be made of materials such as rubber.

[0066] Among them, a vibration chamber 130 is provided at the bottom of the discharge chamber 120, and a vibration member 500 is provided in the vibration chamber 130. The number of the vibration members 500 is multiple. In this embodiment, for the convenience of description, the number of the vibration members 500 is two, and the two vibration members 500 are arranged in sequence along the inclination direction of the bottom inner wall of the discharge chamber 120, wherein the two ends of the vibration member 500 are respectively arranged on the upper surface of the bottom inner wall of the vibration chamber 130 and the lower surface of the bottom inner wall of the discharge chamber 120. In this embodiment, the vibration member 500 can drive the vibration of the bottom inner wall of the discharge chamber 120 through vibration, thereby avoiding the situation where the slag falling into the discharge chamber 120 cannot slide to the slag collection due to friction between the slag and the bottom inner wall of the discharge chamber 120.

[0067] In this embodiment, the vibration member 500 may adopt a structure such as a piston, and the vibration intensity, vibration frequency and vibration interval of the vibration member 500 may be set according to on-site regulations.

[0068] In this embodiment, Figure 1-Figure 3 As shown, the blowing member 300 is connected to the collecting chamber 110 through a pipe. Specifically, the position where the blowing member 300 is connected to the collecting chamber 110 is set on the side wall of the collecting member 100 and close to one end of the guide well 210, wherein the air outlet end of the pipe connecting the blowing member 300 and the collecting chamber 110 is perpendicular to the side wall of the collecting member 100, so that when the wind blown out by the blowing member 300 is blown into the collecting chamber 110 through the pipe, the direction of the wind intersects or is perpendicular to the direction in which the slag falls, thereby changing the falling direction of the slag, and when the slag falls into the collecting chamber 110, the impact of the slag on the inner wall of the collecting chamber 110 is smaller, so that the collecting chamber 110 is less impacted and not easily damaged.

[0069] The blowing member 300 can be a fan, a blower or a hair dryer.

[0070] In this embodiment, Figure 1 and Figure 5 As shown, there are two blowing pieces 300, and two air guide ducts 2000 are provided in the collecting chamber 110. The two air guide ducts 2000 are arranged in the collecting chamber 110 near one end of the guide tube, and the two air guide ducts 2000 are arranged in sequence along the direction of gravity, wherein the two blowing pieces 300 are respectively connected to the two air guide ducts 2000, and the air guide duct 2000 is provided with a plurality of air guide holes 2100 arranged in sequence, and the air guide holes 2100 are arranged on the side away from the air guide duct 2000 and away from the blowing piece 300, so that the slag and stone falling from any position into the collecting chamber 110 can be blown by the blowing piece 300, and the two air guide ducts 2000 are arranged in sequence along the direction of gravity to avoid interference between the two blowing pieces 300.

[0071] In some embodiments, as Figure 1-Figure 3As shown, a rubber pad 700 is provided on the side wall of the collecting chamber 110 . The rubber pad 700 is used to directly contact the slag and stone to prevent the slag and stone from damaging the inner wall of the collecting chamber 110 .

[0072] Among them, when the slag falls onto the rubber pad 700, it may not be able to slide down due to the friction between the rubber pad 700 and the slag. In order to improve the above problem, in this embodiment, a plurality of shock-absorbing springs 800 arranged in sequence are provided between the rubber pad 700 and the side wall of the collecting chamber 110, so that the rubber pad 700 can be displaced relative to the inclined inner wall of the discharge chamber 120 under the action of the shock-absorbing springs 800, wherein the impact of the slag on the inner wall of the collecting chamber 110 can be reduced by the action of the shock-absorbing springs 800, and due to the vibration of the shock-absorbing springs 800, the slag is subjected to the vibration effect of the shock-absorbing springs 800 on the rubber pad 700, thereby causing relative displacement between the rubber pad 700 and the rubber pad 700, thereby causing the slag to slide along the inner wall of the discharge chamber 120 into the discharge chamber 120.

Claims

1. A device for collecting slag dropped from a long vertical shaft back-drilling, used for collecting slag dropped from a guide shaft (210) for excavating a tunnel (200), characterized in that: include: The top of the collecting member (100) is in contact with the inner wall of the tunnel (200). The collecting member (100) is provided with a collecting chamber (110) and a discharging chamber (120). The collecting chamber (110) is connected to the guide well (210). The inner wall of the collecting chamber (110) is inclined. The discharge cavity (120) is arranged at the bottom of the collecting cavity (110) and is in communication with the collecting cavity (110), and the bottom of the vertical discharge cavity (120) is arranged at an angle; a blowing member (300) connected to the collecting chamber (110) via a pipeline; and The slag collecting member (400) is connected to the bottom of the outer wall of the collecting member (100), and the slag collecting member (400) is connected to the discharge cavity (120).

2. The long vertical shaft backdrilling slag collection device according to claim 1, characterized in that: The distance between the opposite side walls of the collecting chamber (110) decreases successively along the direction of gravity.

3. The long vertical shaft backdrilling slag collection device according to claim 2, characterized in that: A vibration chamber (130) is provided at the bottom of the discharge chamber (120), a vibration member (500) is provided in the vibration chamber (130), the top end of the vibration member (500) is connected to the bottom of the discharge chamber (120), and the bottom end of the vibration member (500) is connected to the inner wall of the bottom of the vibration chamber (130).

4. The long vertical shaft backdrilling slag collection device according to claim 3, characterized in that: There are multiple vibration members (500), and the multiple vibration members (500) are arranged in the vibration cavity (130) at intervals.

5. The long vertical shaft backdrilling slag collection device according to claim 3, characterized in that: A crushing chamber (140) is provided between the discharge chamber (120) and the collection chamber (110), and two crushing rollers (600) are provided in the crushing chamber (140) and are arranged opposite to each other. Both ends of the two crushing rollers (600) are rotatably connected to the inner wall of the crushing chamber (140), and the discharge chamber (120) and the collection chamber (110) are communicated through the crushing chamber (140).

6. The long vertical shaft backdrilling slag collection device according to claim 1, characterized in that: The slag collecting member (400) is detachably connected to the collecting member (100).

7. The long vertical shaft backdrilling slag collection device according to claim 5, characterized in that: The pulverizing roller (600) is provided with a plurality of protrusions (610), and the plurality of protrusions (610) are arranged at intervals along the axial direction and the circumferential direction of the pulverizing roller (600).

8. The long vertical shaft backdrilling slag collection device according to claim 1, characterized in that: A rubber pad (700) is provided on the side wall of the collecting chamber (110), and a plurality of shock-absorbing springs (800) are provided between the rubber pad (700) and the side wall of the collecting chamber (110).

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