Straddle-type tunnel drill rig for shield machine tunneling roadway and construction method

Abstract

The object of the present invention is to disclose a straddle-type tunnel drill rig for a shield machine to drive a roadway and a construction method, which relates to the technical field of coal mine roadway drilling. It includes a chassis and a first crawler assembly and a second crawler assembly arranged on both sides below the chassis; a transverse track is arranged at the end of the chassis and a drilling assembly moving along the transverse track; the drilling assembly includes an operating platform, a slewing mechanism and a drill arm; a first space between the first crawler assembly and the second crawler assembly allows a belt conveyor to pass through; a first box body and a second box body are respectively arranged on both sides above the chassis, and a second space between the first box body and the second box body allows a single-track crane arranged on the top of the roadway to pass through. The beneficial effects are as follows: realizing the integration of tunneling, drilling and transportation. While driving with a shield machine, the coal is transported outwards through a belt conveyor, materials and personnel are transported to the roadway through a single-track crane, and the straddle-type tunnel drill rig straddles the belt conveyor and drills holes, realizing high-efficiency tunneling.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mine roadway drilling, and particularly to a straddle-type tunnel drill truck for a shield machine-driven roadway and a construction method thereof. Background Art

[0002] For coal mines with a large amount of rock, during roadway driving, the traditional driving equipment has low driving efficiency. In addition, how to drill holes and pre-draw gas in a timely manner during driving is related to the safety of the roadway. The existing drilling equipment occupies a large space and cannot drill holes normally for a narrow working surface.

[0003] In view of this, there is an urgent need to develop a straddle-type tunnel drill truck for a shield machine-driven roadway and a construction method thereof to overcome the above defects. Summary of the Invention

[0004] The purpose of the present invention is to disclose a straddle-type tunnel drill truck for a shield machine-driven roadway and a construction method thereof.

[0005] The first object of the present invention is to provide a straddle-type tunnel drill truck for a shield machine-driven roadway.

[0006] The second object of the present invention is to provide a comprehensive construction method for coal mine roadway excavation, drilling and transportation.

[0007] To achieve the above first object of the invention, the present invention provides a straddle-type tunnel drill truck for a shield machine-driven roadway, including a chassis and a first crawler assembly and a second crawler assembly arranged on both sides below the chassis;

[0008] A transverse track is arranged at the end of the chassis and a drilling assembly moving along the transverse track;

[0009] The drilling assembly includes an operation platform, a slewing mechanism and a drill arm;

[0010] A first space between the first crawler assembly and the second crawler assembly allows a belt conveyor to pass through;

[0011] A first box body and a second box body are respectively arranged on both sides above the chassis,

[0012] A second space between the first box body and the second box body allows a monorail crane arranged on the top of the roadway to pass through.

[0013] Preferably, the first crawler assembly includes a first crawler and a first crawler support.

[0014] Preferably, a first lifting oil cylinder is arranged between the first crawler support and the chassis, and first lifting slide columns are respectively arranged on both sides of the first lifting oil cylinder.

[0015] Preferably, the second crawler assembly includes a second crawler and a second crawler bracket.

[0016] Preferably, a second lifting oil cylinder and second lifting sliding columns respectively arranged on both sides of the second lifting oil cylinder are provided between the second crawler bracket and the chassis.

[0017] Preferably, a translation oil cylinder is arranged on one side of the transverse track, and the translation oil cylinder drives the drilling assembly to move along the transverse track with the chassis as a fulcrum.

[0018] Preferably, a power assembly is arranged in the first box body, and a fuel tank is arranged in the second box body;

[0019] The translation oil cylinder drives the drilling assembly to the rear of the second box body and avoids the second space.

[0020] Preferably, when the drilling assembly is located at the rear of the second box body, the slewing mechanism drives the drill arm to be in a vertical state.

[0021] Preferably, the slewing mechanism is connected to the drill arm through an L-shaped support frame;

[0022] A swing angle oil cylinder is arranged on the L-shaped support frame, and the swing angle oil cylinder drives the drill arm to swing back and forth;

[0023] A plurality of drill pipes are stored at the bottom of the second space.

[0024] Based on the same inventive principle, to achieve the above second inventive purpose, the present invention provides a comprehensive construction method for coal mine roadway excavation, drilling and transportation, including the following steps:

[0025] Step S1: Drive through a shield machine to form a coal mine roadway;

[0026] Step S2: Install a monorail hoist at the top of the coal mine roadway, and install a belt conveyor at the bottom of the coal mine roadway to transport coal;

[0027] Step S3: The straddle-type roadway drill for shield machine tunneling described in the first invention creation straddles the belt conveyor and drills holes.

[0028] Compared with the prior art, the beneficial effects of the present invention are:

[0029] Through the present invention, the integration of tunneling, drilling and transportation is achieved. That is, while using a shield machine for tunneling, coal is transported out through a belt conveyor, materials and personnel are transported to the roadway through a single-track crane, and a straddle-type tunnel drill straddles the belt conveyor for drilling. After drilling, pre-drainage of gas is carried out, achieving high-efficiency tunneling and ensuring safety. The first space of the present invention allows the belt conveyor to pass through, and the second space allows the single-track crane arranged on the top of the roadway to pass through, enabling the coordination of tunneling, coal transportation, material transportation and drilling, and greatly improving the comprehensive construction efficiency. Description of the Drawings

[0030] Figure 1 It is a three-dimensional structural schematic diagram of the straddle-type tunnel drill for tunneling a roadway by the shield machine of the present invention.

[0031] Figure 2 It is a front view schematic diagram of the straddle-type tunnel drill for tunneling a roadway by the shield machine of the present invention.

[0032] Figure 3 It is a three-dimensional structural schematic diagram of the drilling assembly of the present invention.

[0033] Figure 4 It is a side view schematic diagram of the first crawler assembly or the second crawler assembly of the present invention.

[0034] Figure 5 It is a three-dimensional structural schematic diagram of the straddle-type tunnel drill for tunneling a roadway by the shield machine of the present invention.

[0035] Figure 6 It is a flow chart of the comprehensive construction method for tunneling, drilling and transportation in a coal mine roadway of the present invention.

[0036] Wherein, 1. Chassis; 11. First crawler assembly; 111. First crawler; 112. First crawler support; 113. First lifting oil cylinder; 114. First lifting sliding column; 12. Second crawler assembly; 121. Second crawler; 122. Second crawler support; 123. Second lifting oil cylinder; 124. Second lifting sliding column; 13. Transverse track; 14. First box body; 15. Second box body; 2. Drilling assembly; 21. Operating platform; 22. Rotary mechanism; 23. Drilling arm; 24. L-shaped support frame; 25. Swing angle oil cylinder; 3. Drill pipe; 4. First space; 5. Belt conveyor; 6. Second space; 7. Single-track crane; 8. Translation oil cylinder; 9. Leg; 10. Crane operating platform. Detailed Embodiments

[0037] The present invention will be described in detail below in conjunction with the various embodiments shown in the drawings. However, it should be noted that these embodiments are not limitations on the present invention, and any equivalent transformation or substitution in terms of function, method, or structure made by those of ordinary skill in the art according to these embodiments shall fall within the protection scope of the present invention.

[0038] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0039] The following elaborates on the specific implementation process of the present invention through multiple embodiments. Embodiment 1

[0040] See Figures 1 to 5 , this embodiment discloses a specific implementation manner of a straddle-type tunnel drill rig (hereinafter referred to as "drill rig") for a shield tunneling roadway.

[0041] See Figures 1 to 5 , the straddle-type tunnel drill rig for a shield tunneling roadway includes a chassis 1 and a first crawler assembly 11 and a second crawler assembly 12 arranged on both sides below the chassis 1. The first crawler assembly 11 includes a first crawler 111 and a first crawler support 112. A first lifting oil cylinder 113 and first lifting sliding columns 114 respectively arranged on both sides of the first lifting oil cylinder 113 are arranged between the first crawler support 112 and the chassis 1. The second crawler assembly 12 includes a second crawler 121 and a second crawler support 122. A second lifting oil cylinder 123 and second lifting sliding columns 124 respectively arranged on both sides of the second lifting oil cylinder 123 are arranged between the second crawler support 122 and the chassis 1; a transverse track 13 and a drilling assembly 2 moving along the transverse track 13 are arranged at the end of the chassis 1; the drilling assembly 2 includes an operating platform 21, a slewing mechanism 22 and a drill arm 23; a first space 4 between the first crawler assembly 11 and the second crawler assembly 12 allows a belt conveyor 5 to pass through; a first box body 14 and a second box body 15 are respectively arranged on both sides above the chassis 1, and a second space 6 between the first box body 14 and the second box body 15 allows a monorail crane 7 arranged on the top of the roadway to pass through.

[0042] Specifically, see Figures 1 to 5, for coal mine roadways with high rock content, the traditional roadheader has low tunneling efficiency and slow construction progress. Therefore, in this embodiment, a high-efficiency shield machine is used for roadway tunneling. The excavated coal is transported to the outside through the belt conveyor 5, while the materials and personnel required for the roadway are transported through the monorail crane 7 at the top of the roadway. The purpose of the first space 4 is to provide a transportation path for the belt conveyor 5. The first space 4 is a rectangular space with a width of 2500 mm - 2900 mm and a height of 1150 mm - 1400 mm. The purpose of the second space 6 is to allow operators to stand and provide a passage for the monorail crane 7. The second space 6 has a width of 1300 mm - 1600 mm, and the height direction of the second space 6 is an open structure. To make full use of the second space 6, several drill pipes 3 are stored at the bottom of the second space 6. Through this embodiment, the integration of tunneling, drilling, and transportation is achieved, that is, while using the shield machine for tunneling, the coal is transported out through the belt conveyor, the materials and personnel are transported into the roadway through the monorail crane, and the cross-riding roadway drill rig straddles the belt conveyor and drills holes, achieving high-efficiency tunneling.

[0043] See Figures 1 to 5 , the drilling assembly 2 of this embodiment drills holes through drill pipes. The drilling is used for pre-draining gas or for support to ensure the safety of roadway tunneling. The working principle of the drilling assembly 2 is as follows: A translation oil cylinder 8 is arranged on one side of the transverse track 13. The translation oil cylinder 8 drives the drilling assembly 2 to move along the transverse track 13 with the chassis 1 as a fulcrum. The fulcrum is located behind the first box body 14. A power assembly is arranged in the first box body 14, and an oil tank is arranged in the second box body 15. The translation oil cylinder 8 drives the drilling assembly 2 to the rear of the second box body 15 and avoids the second space 6. The purpose of avoiding is to facilitate the passage of the monorail crane 7. That is, when the monorail crane 7 needs to pass through the second space 6, the translation oil cylinder 8 drives the drilling assembly 2 to move to the rear of the second box body 15, and the slewing mechanism 22 drives the drill arm 23 to be in a vertical state to avoid affecting the passage of the monorail crane 7.

[0044] See Figures 1 to 5, the working range of the drilling assembly 2 involves an arc-shaped roadway. To increase the working range of the drilling assembly 2, the following four aspects are guaranteed: First, the translation cylinder 8 provides an overall horizontal movement distance for the drill arm 23, and the pushing stroke of the translation cylinder 8 is 1000 mm - 1500 mm; second, the slewing mechanism 22 drives the drill arm to swing left and right, that is, it can drill holes in the left arc and the right arc of the roadway; third, through the synchronous lifting of the first lifting cylinder 113 and the second lifting cylinder 123, the drill arm 23 is provided with freedom in the height direction; fourth, the slewing mechanism 22 is connected to the drill arm 23 through the L-shaped support frame 24, and a swing angle cylinder 25 is arranged on the L-shaped support frame 24. The swing angle cylinder 25 drives the drill arm 23 to swing back and forth. The purpose of the swing angle cylinder 25 is to finely adjust the front and back positions of the drill arm 23, and the swing angle of the swing angle cylinder is ±10°, so as to improve the drilling accuracy; the above four aspects jointly ensure the working range and working accuracy of the drill arm 23. It should be further noted that the lifting strokes of the first lifting cylinder 113 and the second lifting cylinder 123 are 150 mm - 200 mm. When the first lifting cylinder 113 and the second lifting cylinder 123 are at the maximum lifting stroke, the height of the chassis 1 from the monorail crane 7 still needs to ensure a height space of 100 mm, so as to ensure the smooth passage of the monorail crane 7 when the first lifting cylinder 113 and the second lifting cylinder 123 are lifted.

[0045] When drilling, in order to keep the drill jumbo stable, legs 9 facing the top of the roadway are respectively designed at the rear of the first box body 14 and the second box body 15, and telescopic cylinders are built in the legs 9; for the convenience of traveling, a traveling operation platform 10 is also arranged beside the legs 9. Embodiment 2

[0046] See Figure 6 , this embodiment discloses a specific implementation manner of a comprehensive construction method for coal mine roadway excavation, drilling and transportation (hereinafter referred to as "construction method").

[0047] The comprehensive construction method for coal mine roadway excavation, drilling and transportation includes the following steps:

[0048] Step S1: Tunneling through a shield machine to form a coal mine roadway;

[0049] Step S2: Install a monorail crane at the top of the coal mine roadway and install a belt conveyor at the bottom of the coal mine roadway to transport coal.

[0050] Step S3: The straddle-type tunnel drill jumbo for shield machine tunneling roadway described in Embodiment 1 straddles the belt conveyor and drills holes.

[0051] Specifically, for the coal mine roadway with high rock, the traditional roadheader has low tunneling efficiency and slow construction progress. Therefore, in this embodiment, a high-efficiency shield machine is used for roadway tunneling to form a circular roadway. The excavated coal is transported outwards through the belt conveyor 5, and the belt conveyor 5 is usually located in the middle of the bottom of the roadway. Due to the presence of the belt conveyor 5, the space between the belt conveyor 5 and the sidewall of the roadway is narrow, and it is difficult for traditional drilling vehicles to drive in. Manual drilling not only has low efficiency but also faces the risk of gas outburst. Therefore, after installing the monorail crane and the belt conveyor, the straddle-type tunnel drill for shield machine tunneling roadway in Embodiment 1 straddles the belt conveyor and drills holes. The purpose of drilling is to serve as a pre-drainage gas hole or a support hole. The straddle-type tunnel drill for shield machine tunneling roadway in Embodiment 1 has a first space 4 and a second space 6. The purpose of the first space 4 is to provide a transportation path for the belt conveyor 5. The first space 4 is a rectangular space with a width of 2500 mm - 2900 mm and a height of 1150 mm - 1400 mm. The purpose of the second space 6 is to allow operators to stand and provide a passing path for the monorail crane 7. The width of the second space 6 is 1300 mm - 1600 mm, and the height direction of the second space 6 is an open structure to make full use of the second space 6. Through this embodiment, the integration of tunneling, drilling, and transportation is achieved, that is, while using a shield machine for tunneling, the coal is transported outwards through the belt conveyor, materials and personnel are transported into the roadway through the monorail crane, and the straddle-type tunnel drill straddles the belt conveyor and drills holes, realizing high-efficiency tunneling.

[0052] For the technical solutions with the same parts in the comprehensive construction method of coal mine roadway tunneling, drilling, and transportation disclosed in this embodiment and Embodiment 1, please refer to what is described in Embodiment 1 and will not be elaborated here.

Claims

1. A straddle-type tunnel drilling vehicle for tunneling with a shield machine, characterized in that: It comprises a chassis and a first crawler assembly and a second crawler assembly arranged on both sides below the chassis; a transverse track and a drilling assembly moving along the transverse track are arranged at the end of the chassis; The drilling assembly includes an operating table, a slewing mechanism and a drilling arm, and the drilling arm is used to drill holes in the left and right arcs of the tunnel, and pre-extract gas after drilling; A first space between the first crawler assembly and the second crawler assembly allows a conveyor belt to pass through; A first box and a second box are respectively arranged on both sides above the chassis. The second space between the first box and the second box allows the monorail crane set at the top of the tunnel to pass through, and the second space is an open structure in the height direction; the first crawler assembly includes a first crawler and a first crawler bracket; a first lifting cylinder is set between the first crawler bracket and the chassis; the second crawler assembly includes a second crawler and a second crawler bracket; a second lifting cylinder is set between the second crawler bracket and the chassis, and the first lifting cylinder and the second lifting cylinder are lifted and lowered synchronously and provide the drilling arm with a degree of freedom in the height direction; When the first lifting cylinder and the second lifting cylinder are at their maximum lifting stroke, the height of the chassis from the monorail crane must ensure a height clearance of 100 mm; A translation cylinder is arranged on one side of the transverse track, and the translation cylinder drives the drilling assembly to move along the transverse track with the chassis as a fulcrum; The slewing mechanism is connected to the drill arm via an L-shaped support frame; A swing angle oil cylinder is arranged on the L-shaped support frame, and the swing angle oil cylinder drives the drill arm to swing forward and backward, and the swing angle of the swing angle oil cylinder is ±10°; The translation cylinder drives the drilling assembly to the rear of the second box and avoids the second space; When the drilling assembly is located at the rear of the second box, the rotary mechanism drives the drill arm to be in a vertical state.

2. The straddle-type tunnel drilling vehicle for tunneling with a shield machine as claimed in claim 1, characterized in that: A power assembly is disposed in the first housing, and an oil tank is disposed in the second housing.

3. The straddle-type tunnel drilling vehicle for tunneling with a shield machine as claimed in claim 1, characterized in that: First lifting slide columns are respectively arranged on both sides of the first lifting cylinder.

4. The straddle-type tunnel drilling vehicle for tunneling with a shield machine as claimed in claim 1, characterized in that: Second lifting slide columns are respectively arranged on both sides of the second lifting cylinder.

5. The straddle-type tunnel drilling vehicle for tunneling with a shield machine as claimed in claim 1, characterized in that: A number of drill rods are stored at the bottom of the second space.

6. A comprehensive construction method for digging, drilling and transporting coal mine tunnels, characterized in that: The following steps are involved: Step S1: Excavating and forming a coal mine tunnel by a shield machine; Step S2: installing a monorail crane at the top of the coal mine tunnel, installing a belt conveyor at the bottom of the coal mine tunnel and transporting coal; Step S3: a straddle-type tunnel drilling vehicle used for tunneling a tunnel with a shield machine straddles the belt conveyor and performs drilling, and pre-extracts gas after drilling; A straddle-type tunnel boring vehicle for tunneling with a shield machine comprises a chassis and a first crawler assembly and a second crawler assembly arranged on both sides below the chassis; A transverse track and a drilling assembly moving along the transverse track are arranged at the end of the chassis; The drilling assembly includes an operating table, a slewing mechanism and a drilling arm, and the drilling arm is used to drill holes in the left and right arcs of the tunnel; A first space between the first crawler assembly and the second crawler assembly allows a conveyor belt to pass through; A first box and a second box are respectively arranged on both sides above the chassis. The second space between the first box and the second box allows the monorail crane arranged at the top of the tunnel to pass through; the first crawler assembly includes a first crawler and a first crawler bracket; a first lifting cylinder is arranged between the first crawler bracket and the chassis; the second crawler assembly includes a second crawler and a second crawler bracket; a second lifting cylinder is arranged between the second crawler bracket and the chassis; When the first lifting cylinder and the second lifting cylinder are at their maximum lifting stroke, the height of the chassis from the monorail crane must ensure a height clearance of 100 mm; A translation cylinder is arranged on one side of the transverse track, and the translation cylinder drives the drilling assembly to move along the transverse track with the chassis as a fulcrum; The translation cylinder drives the drilling assembly to the rear of the second box and avoids the second space; When the drilling assembly is located at the rear of the second box, the rotary mechanism drives the drill arm to be in a vertical state.

7. The coal mine tunnel excavation, drilling and transportation integrated construction method as claimed in claim 6, characterized in that: A power assembly is disposed in the first housing, and an oil tank is disposed in the second housing.

8. The coal mine tunnel excavation, drilling and transportation integrated construction method as claimed in claim 6, characterized in that: First lifting slide columns are respectively arranged on both sides of the first lifting cylinder.

9. The coal mine tunnel excavation, drilling and transportation integrated construction method according to claim 6, characterized in that: Second lifting slide columns are respectively arranged on both sides of the second lifting cylinder.

10. The coal mine tunnel excavation, drilling and transportation integrated construction method according to claim 6, characterized in that: The slewing mechanism is connected to the drill arm via an L-shaped support frame; A swing angle oil cylinder is arranged on the L-shaped support frame, and the swing angle oil cylinder drives the drill arm to swing forward and backward, and the swing angle of the swing angle oil cylinder is ±10°; A number of drill rods are stored at the bottom of the second space.

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