An all-round anchor drilling device mounted on a full-section tunnel boring machine for a coal mine hard rock tunnel

Abstract

The application discloses a kind of coal mine hard rock roadway full-face tunneling machine on-board all-direction anchor rod drilling rig device, including annular slide rail, sliding base, telescopic adjusting mechanism, connecting adjusting mechanism and drilling rig mechanism, the annular slide rail is arranged in sliding base, the sliding base is arranged on telescopic adjusting mechanism, and the telescopic adjusting mechanism is connected with drilling rig mechanism by connecting adjusting mechanism.Connection.The device can reduce the space occupation of on-board anchor rod drilling rig to small coal mine hard rock roadway full-face tunneling machine, greatly improve the operation space of on-board anchor rod drilling rig, expand the pose adjustment range of on-board anchor rod drilling rig, improve the efficiency of full-face tunneling machine on-board anchor rod support, meet the all-direction support requirement of coal mine hard rock roadway, and then improve the matching degree and excavation efficiency of hard rock roadway excavation and support, with wide application value, will be widely used in the full-face tunneling field of various space limited roadway.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of coal mine hard rock roadway rapid excavation and supporting device, and particularly relates to a coal mine hard rock roadway full-face tunneling machine on-board all-directional anchor rod drilling machine device. BACKGROUND

[0002] At present, the traditional drilling and blasting method and the fully mechanized excavation method have the disadvantages of poor safety and insufficient cutting capacity in the coal mine hard rock roadway rapid excavation, which leads to the problems of low coal mine hard rock roadway excavation efficiency, great safety threat, great labor intensity of personnel, complex manual operation and the like, which cannot be solved. With the introduction of the full-face tunneling machine into the coal mine hard rock roadway excavation, new problems such as insufficient on-board anchor rod supporting operation space, insufficient construction efficiency and insufficient supporting range of the full-face tunneling machine come along, which leads to the mismatching of the excavation and supporting construction speed of the full-face tunneling machine in the coal mine hard rock roadway, and limits the construction efficiency of the coal mine hard rock roadway full-face tunneling machine.

[0003] Therefore, at present, it is urgent to design a coal mine hard rock roadway full-face tunneling machine on-board all-directional anchor rod drilling machine device to realize the rapid and all-directional supporting operation of the small coal mine hard rock roadway full-face tunneling machine on-board anchor rod drilling machine, and improve the matching degree of the roadway excavation and anchor rod supporting. SUMMARY

[0004] The technical problem solved by the present application is that the coal mine hard rock roadway full-face tunneling machine on-board all-directional anchor rod drilling machine device can effectively solve the problems of insufficient on-board anchor rod supporting operation space, insufficient construction efficiency and insufficient supporting range of the full-face tunneling machine.

[0005] The technical scheme is that the coal mine hard rock roadway full-face tunneling machine on-board all-directional anchor rod drilling machine device comprises a ring-shaped sliding rail, a sliding base, an extension adjustment mechanism, a connection adjustment mechanism and a drilling machine mechanism, the ring-shaped sliding rail is arranged in the sliding base, the sliding base is arranged on the extension adjustment mechanism, and the extension adjustment mechanism is connected with the drilling machine mechanism through the connection adjustment mechanism.

[0006] Preferably, the sliding base comprises a rotating motor I, a sliding base support, a vertical limiting wheel, an axial limiting wheel, a driving gear and a rotating motor II, the rotating motor I is arranged on the sliding base support through a rotating pair, the vertical limiting wheels are symmetrically arranged on the sliding base support, the axial limiting wheels are symmetrically arranged on both sides of the upper part of the sliding base support, the driving gear is arranged in the interior of the sliding base support and is engaged with the rack of the ring-shaped sliding rail, and the rotating motor II is vertically arranged at the bottom of the sliding base support.

[0007] Preferably, the telescopic adjusting mechanism comprises a swing motor, a first telescopic arm, a second telescopic arm and a telescopic oil cylinder, the swing motor is arranged at the end of the sliding base, one end of the first telescopic arm is connected with the swing motor, and the other end is connected with the second telescopic arm, the telescopic oil cylinder is arranged in the first telescopic arm, one end of the telescopic oil cylinder is connected with the first telescopic arm, and the other end is connected with the second telescopic arm.

[0008] Preferably, the connecting adjusting mechanism comprises an adjusting motor I, a connecting support and an adjusting motor II, the adjusting motor I and the adjusting motor II are arranged on two sides of the connecting support respectively, the adjusting motor I is connected with the telescopic adjusting mechanism, and the adjusting motor II is connected with the drilling machine mechanism.

[0009] Preferably, the drilling machine mechanism comprises a drilling machine support, a pushing oil cylinder, a drilling machine and an anchor rod, the drilling machine support is connected with the connecting adjusting mechanism, the pushing oil cylinder is arranged on the drilling machine support, the drilling machine is connected with the drilling machine support through the pushing oil cylinder, and the anchor rod is arranged at the output end of the drilling machine.

[0010] Preferably, the top of the annular slide rail is provided with a vertical clamping groove and an axial clamping groove.

[0011] Preferably, the annular slide rail is arranged on the first shield body after temporary support and perpendicular to the central axis of the full-face tunneling machine.

[0012] Beneficial effects: The device can reduce the space occupation of the on-board anchor rod drilling machine on the small coal mine hard rock roadway full-face tunneling machine, greatly improve the operation space of the on-board anchor rod drilling machine, expand the pose adjustment range of the on-board anchor rod drilling machine, improve the on-board anchor rod supporting efficiency of the full-face tunneling machine, meet the full-range supporting requirements of the coal mine hard rock roadway, and further improve the matching degree and tunneling efficiency of the hard rock roadway tunneling and supporting, which has wide application value and will be widely applied to the full-face tunneling field of various space-limited roadways. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the on-board full-range anchor rod drilling machine device of the coal mine hard rock roadway full-face tunneling machine of the present application;

[0014] Figure 2 It is a structural schematic view of the sliding base in the present application;

[0015] Figure 3 It is a sectional view of the annular slide rail in the present application;

[0016] Figure 4 It is a schematic view of the mechanism kinematic pair of the present application;

[0017] Figure 5 It is a schematic view of the axial working range of the present application;

[0018] Figure 6 This is a schematic diagram of the full-section working range of the present invention;

[0019] Serial numbers in the figure: 1. annular slide rail, 1-1. vertical slot, 1-2. axial slot, 2. sliding base, 2-1. rotating motor I, 2-2. sliding base bracket, 2-3. vertical limiting wheel, 2-4. axial limiting wheel, 2-5. driving gear, 2-6. rotating motor II, 3. telescopic adjustment mechanism, 3-1. swing motor, 3-2. first-stage telescopic arm, 3-3. second-stage telescopic arm, 3-4. telescopic cylinder, 4. connecting adjustment mechanism, 4-1. adjusting motor I, 4-2. connecting bracket, 4-3. adjusting motor II, 5. drilling mechanism, 5-1. drilling bracket, 5-2. thrust cylinder, 5-3. drilling rig, 5-4. anchor rod. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments: Example 1

[0021] like Figure 1-Figure 3 As shown, a full-face tunnel boring machine for a coal mine hard rock roadway is equipped with an all-round anchor drilling rig, comprising an annular slide rail 1, a sliding base 2, a telescopic adjustment mechanism 3, a connecting adjustment mechanism 4, and a drilling mechanism 5. The annular slide rail 1 is arranged in the sliding base 2, the sliding base 2 is arranged on the telescopic adjustment mechanism 3, and the telescopic adjustment mechanism 3 is connected to the drilling mechanism 5 via the connecting adjustment mechanism 4.

[0022] The sliding base 2 includes a rotating motor I2-1, a sliding base bracket 2-2, a vertical limiting wheel 2-3, an axial limiting wheel 2-4, a driving gear 2-5 and a rotating motor II2-6. The telescopic adjustment mechanism 3 includes a swing motor 3-1, a first-stage telescopic arm 3-2, a second-stage telescopic arm 3-3 and a telescopic cylinder 3-4. The connecting adjustment mechanism 4 includes an adjustment motor I4-1, a connecting bracket 4-2 and an adjustment motor II4-3. The drilling mechanism 5 includes a drilling bracket 5-1, a propulsion cylinder 5-2, a drilling rig 5-3 and an anchor rod 5-4. The top of the annular slide rail 1 is provided with a vertical card slot 1-1 and an axial card slot 1-2.

[0023] The above-mentioned rotating motor I2-1 is installed on the sliding base bracket 2-2 in the form of a rotating pair, and can adjust the swing angle of the sliding base bracket 2-2 on the annular slide rail 1 to realize the drilling of the vertical tunnel roof or side wall by the drilling rig 5-2; a number of vertical limiting wheels 2-3 are symmetrically arranged on the sliding base bracket 2-2, which can be stuck in the vertical track groove 1-1 on the top of the annular slide rail 1 to limit the relative movement of the sliding base 2 along the radial direction of the annular slide rail 1; a number of axial limiting wheels 2-4 are symmetrically arranged on both sides of the upper part of the sliding base bracket 2-2, which can be stuck in the axial track grooves 1-2 on both sides of the top of the annular slide rail 1 to limit the axial relative movement of the sliding base 2 and the annular slide rail 1; the driving gear 2-5 is arranged inside the sliding base bracket 2-2 in the form of a rotating pair, and is engaged with the rack mechanism on the inner side of the annular slide rail 1, driving the sliding base 2 and the subsequent connecting structure to move circumferentially along the annular slide rail 1; the rotating motor II2-6 is vertically arranged at the bottom of the sliding base bracket 2-2, and drives the subsequent connecting structure to rotate around the axis of the rotating motor II2-6 through the rotating pair, thereby realizing a large range of position adjustment of the drilling rig mechanism 5; the swing motor 3-1 is arranged at the end of the sliding base 2, one end of the first-level telescopic arm 3-2 is connected to the swing motor 3-1, and the other end is connected to the second-level telescopic arm 3-3, and the telescopic cylinder 3-4 is arranged inside the first-level telescopic arm 3-2 (such as Figure 5 As shown), one end of the telescopic cylinder 3-4 is connected to the first-level telescopic arm 3-2, and the other end is connected to the second-level telescopic arm 3-3; the adjustment motor I4-1 and the adjustment motor II4-3 are respectively arranged on the two sides of the connecting bracket 4-2, the adjustment motor I4-1 is connected to the telescopic adjustment mechanism 3, and the adjustment motor II4-3 is connected to the drilling rig mechanism 5; the drilling rig bracket 5-1 is connected to the connecting adjustment mechanism 4, the propulsion cylinder 5-2 is arranged on the drilling rig bracket 5-1, and the drilling rig 5-3 is connected to the drilling rig bracket 5-1 through the propulsion cylinder 5-2, and the anchor rod 5-4 is arranged at the output end of the drilling rig 5-3.

[0024] The above-mentioned sliding base 2 reciprocates along the annular slide rail 1 through the kinematic pair formed by the gear 2-5 and the rack of the annular slide rail 1, thereby realizing the circumferential position adjustment of the drilling rig mechanism 5; the telescopic adjustment mechanism 3 establishes a rotational connection with the end of the sliding base 2 through the rotating pair driven by the swing motor 3-1, and the telescopic adjustment mechanism 3 can realize the radial and axial adjustment of the position of the drilling rig mechanism 5; the connecting adjustment mechanism 4 is respectively connected to the telescopic adjustment mechanism 3 and the drilling rig mechanism 5 through the rotating pairs driven by two adjustment motors, which can realize the adjustment of the circumferential angle and axial angle of the drilling rig mechanism 5; the drilling rig mechanism 5 is fixedly connected to the adjustment motor II4-3 of the connecting adjustment mechanism 4 through the drilling rig bracket 5-1, and the drilling rig 5-3 can be pushed forward and retreated by the thrust cylinder 5-2.

[0025] like Figure 4As shown, the mechanism kinematic pair of the device includes the rotating pair of the sliding base 2 and the annular slide rail 1, the rotating pair of the rotating motor I2-1 and the sliding base support 2-2, the rotating pair of the rotating motor II2-6 and the sliding base support 2-2, the rotating pair of the swing motor 3-1 and the sliding base support 2-2, the moving pair of the telescopic oil cylinder 3-4 and the first telescopic arm 3-2, the rotating pair of the adjustment motor I4-1 and the second telescopic arm 3-3, the rotating pair of the adjustment motor II4-3 and the drilling machine support 5-1, and the moving pair of the pushing oil cylinder 5-2 and the drilling machine support 5-1.

[0026] As shown in Figure 5 and Figure 6 The device can expand the working range of the anchor rod drilling machine on the full-face tunneling machine through reasonable combination of the multi-degree-of-freedom kinematic pair, reduce the space occupied by the drilling machine on the shield, and realize the anchor rod drilling operation in all directions of the roadway roof and side slope in various postures.

[0027] The working principle of the device is as follows: the annular slide rail 1 is used to hoist the anchor rod drilling machine which is traditionally installed in the middle of the shield of the full-face tunneling machine, which greatly improves the space utilization rate of the anchor rod operation on the full-face tunneling machine in the small cross-section coal mine hard rock roadway; the sliding base 2 drives the gear rack transmission mechanism through the rotating motor I2-1 to drive the whole device to reciprocate along the annular slide rail 1, which can realize the coverage of the anchor rod supporting range in all directions of the roof and both sides of the coal mine roadway section, and the sliding base 2 can drive the subsequent structure to rotate along the axis through the rotating pair driven by the end rotating motor II2-6, which realizes the pose adjustment space when the drilling machine operates in a complex position while expanding the working range of the drilling machine; the telescopic adjustment mechanism 3 is connected to the rotating shaft of the end rotating motor II2-6 of the sliding base 2 through the rotating pair driven by the swing motor 3-1 on the telescopic adjustment mechanism 3, which can realize the up-and-down swing action adjustment of the telescopic adjustment mechanism and the subsequent structure; the connecting adjustment mechanism 4 is connected to the second telescopic arm 3-3 at the end of the telescopic adjustment mechanism 3 through the rotating pair driven by the adjustment motor I4-1, which can realize the rapid adjustment of the axial construction angle of the drilling machine mechanism 5, the connecting adjustment mechanism 4 drives the drilling machine mechanism 5 to rotate through the rotating pair driven by the end adjustment motor II4-3, which can realize the rapid adjustment of the circumferential construction angle of the drilling machine mechanism 5, and the radial construction range of the drilling machine mechanism 5 can be rapidly adjusted through the cooperation of the swing motor 3-1, the pushing oil cylinder 5-2 and the adjustment motor I4-1; the drilling machine mechanism 5 is fixedly connected to the connecting adjustment mechanism 4 through the end adjustment motor II4-3 of the drilling machine support 5-1, and the drilling machine 5-3 is connected to the drilling machine support 5-1 through the pushing oil cylinder 5-2, which can realize the rapid pushing and retraction of the anchor rod 5-4.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A coal mine hard rock tunnel full-section tunnel boring machine onboard omnidirectional anchor drilling device, characterized by: The invention comprises an annular slide rail (1), a sliding base (2), a telescopic adjustment mechanism (3), a connection adjustment mechanism (4) and a drilling mechanism (5), wherein the annular slide rail (1) is arranged in the sliding base (2), the sliding base (2) is arranged on the telescopic adjustment mechanism (3), and the telescopic adjustment mechanism (3) is connected to the drilling mechanism (5) via the connection adjustment mechanism (4); The sliding base (2) includes a rotating motor I (2-1), a sliding base bracket (2-2), a vertical limiting wheel (2-3), an axial limiting wheel (2-4), a driving gear (2-5) and a rotating motor II (2-6), wherein the rotating motor I (2-1) is arranged on the sliding base bracket (2-2) through a rotating pair, the vertical limiting wheel (2-3) is symmetrically arranged on the sliding base bracket (2-2), the axial limiting wheel (2-4) is symmetrically arranged on both sides of the upper part of the sliding base bracket (2-2), the driving gear (2-5) is arranged inside the sliding base bracket (2-2) and meshes with the rack of the annular slide rail (1), and the rotating motor II (2-6) is vertically arranged at the bottom of the sliding base bracket (2-2); The telescopic adjustment mechanism (3) comprises a swing motor (3-1), a first-stage telescopic arm (3-2), a second-stage telescopic arm (3-3) and a telescopic oil cylinder (3-4); the swing motor (3-1) is arranged at the end of the sliding base (2); one end of the first-stage telescopic arm (3-2) is connected to the swing motor (3-1), and the other end is connected to the second-stage telescopic arm (3-3); the telescopic oil cylinder (3-4) is arranged inside the first-stage telescopic arm (3-2); one end of the telescopic oil cylinder (3-4) is connected to the first-stage telescopic arm (3-2), and the other end is connected to the second-stage telescopic arm (3-3); The connection adjustment mechanism (4) comprises an adjustment motor I (4-1), a connection bracket (4-2) and an adjustment motor II (4-3), wherein the adjustment motor I (4-1) and the adjustment motor II (4-3) are respectively arranged on two side surfaces of the connection bracket (4-2), the adjustment motor I (4-1) is connected to the telescopic adjustment mechanism (3), and the adjustment motor II (4-3) is connected to the drilling mechanism (5); The drilling rig mechanism (5) comprises a drilling rig support (5-1), a propulsion cylinder (5-2), a drilling rig (5-3) and an anchor rod (5-4); the drilling rig support (5-1) is connected to a connection adjustment mechanism (4); the propulsion cylinder (5-2) is arranged on the drilling rig support (5-1); the drilling rig (5-3) is connected to the drilling rig support (5-1) via the propulsion cylinder (5-2); and the anchor rod (5-4) is arranged at the output end of the drilling rig (5-3); The kinematic pairs of the mechanism of the device include a rotation pair of the sliding base (2) and the annular slide rail (1), a rotation pair of the rotating motor I (2-1) and the sliding base bracket (2-2), a rotation pair of the rotating motor II (2-6) and the sliding base bracket (2-2), a rotation pair of the swing motor (3-1) and the sliding base bracket (2-2), a moving pair of the telescopic cylinder (3-4) and the first-stage telescopic arm (3-2), a rotation pair of the adjusting motor I (4-1) and the second-stage telescopic arm (3-3), a rotation pair of the adjusting motor II (4-3) and the drilling rig bracket (5-1), and a moving pair of the propulsion cylinder (5-2) and the drilling rig bracket (5-1).

2. The coal mine hard rock tunnel full-face tunnel boring machine mounted omnidirectional anchor drilling device according to claim 1, characterized in that: The top of the annular slide rail (1) is provided with a vertical clamping groove (1-1) and an axial clamping groove (1-2).

3. The coal mine hard rock tunnel full-face tunnel boring machine mounted omnidirectional anchor drilling device according to claim 1, characterized in that: The annular slide rail (1) is arranged perpendicular to the central axis of the full-face tunnel boring machine on the first shield section after temporary support.

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