Walking device of coal mine tunnel heading machine

Abstract

The utility model relates to the technical field of walking devices, in particular to a coal mine tunnel heading machine walking device which enables the bottom of an inserting rod to be inserted into the ground and then drives a cross arm to horizontally move backwards through a supporting device, so that the inserting rod provides advancing pushing force for a base, and walking reliability of the base is improved. Comprising a base and crawler wheels, and the multiple sets of crawler wheels are all arranged on the base; the crawler wheels are sleeved with the crawler, the cross arm is rotationally installed on the outer side wall of the base through the supporting device, the inserting rod is installed at the end of the cross arm, the supporting device is used for limiting the cross arm and providing elastic pushing force, and the supporting device is used for driving the cross arm to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of walking device, in particular to a coal mine roadway heading machine walking device. BACKGROUND

[0002] The coal mine roadway heading technology is a key link in coal mining, and directly affects the efficiency and safety of coal production. Among them, the heading machine as the core equipment, its performance improvement plays a key role in promoting the progress of heading technology.

[0003] At present, in the existing heading machine walking equipment, such as the patent for authorized announcement No. CN212359778U, the utility model discloses a cantilever swing type hard rock roadway heading machine, including walking assembly, rack, translation assembly and cutting assembly, the rack is installed on the walking assembly, the translation assembly includes first oil cylinder and cantilever seat, the first oil cylinder one end is connected with the support plate vertically arranged on the rack, and the other end drives the cantilever seat to slide on the rack.

[0004] The walking assembly of the heading machine adopts the track type walking, when the ground appears the situation of skidding, the advancing reliability of the heading machine is reduced, and the convenience of use is reduced. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a coal mine roadway heading machine walking device, which inserts the bottom of the inserting rod into the ground, then drives the horizontal rear movement of the cross arm through the supporting device, so that the inserting rod provides the advancing pushing force for the base, and improves the walking reliability of the base.

[0006] The utility model relates to a coal mine roadway heading machine walking device, which comprises a base and a track wheel, a plurality of track wheels are arranged on the base, a supporting device, a track, a cross arm and an inserting rod, the track is sleeved outside the plurality of track wheels, the cross arm is rotatably installed on the outer side wall of the base through the supporting device, the inserting rod is installed at the end of the cross arm, the supporting device is used for limiting the cross arm and providing elastic pushing force, and the supporting device is used for driving the cross arm to move, the track wheel is driven to rotate by the power equipment on the base, the track wheel walks through the track, when the track and the roadway ground appear skidding, the supporting device stops limiting the cross arm, the cross arm is quickly swung downward under the elastic pushing force of the supporting device, so that the cross arm drives the inserting rod to move downward, the bottom of the inserting rod is inserted into the ground, then the horizontal rear movement of the cross arm is driven by the supporting device, so that the inserting rod provides the advancing pushing force for the base, and the walking reliability of the base is improved.

[0007] Preferably, the supporting device comprises a limiting device, a driving device, a first guide, a sliding block, a support, a telescopic rod and a spring, the first guide is installed on the outer side wall of the base, the sliding block is horizontally slidably installed on the first guide through the driving device, the bottom end of the support is connected with the outer side wall of the sliding block, the cross arm is rotatably installed on the support, the telescopic rod is arranged between the support and the cross arm, the spring is sleeved on the outer side wall of the telescopic rod, the limiting device is arranged on the sliding block, and the limiting device is used for limiting the support of the cross arm; the end of the cross arm is pressed downward through the limiting device, so that the cross arm drives the inserting rod to move upward, at this time, the cross arm compresses the telescopic rod and the spring, when the inserting rod needs to be used, the cross arm is released through the limiting device, the cross arm drives the inserting rod to move downward and inserts into the ground through the elastic pushing force of the spring, and then the sliding block is horizontally moved backward through the driving device, so that the inserting rod provides a pushing force for the walking of the base.

[0008] Preferably, the limiting device comprises an electric rotating table, a second guide, a limiting block and a circular table, the electric rotating table is installed on the outer side wall of the sliding block, the second guide is arranged on the rotating end of the electric rotating table, the limiting block is slidably installed on the second guide, and the circular table is arranged on the end of the cross arm; the limiting block is moved downward, the limiting block presses the circular table downward, so that the cross arm drives the inserting rod to move upward and separate from the ground, and the cross arm compresses the telescopic rod and the spring, when the cross arm needs to be released, the second guide is rotated through the electric rotating table, the limiting block moves towards one side after the second guide rotates, and the cross arm is quickly released after the limiting block and the circular table are separated, thereby improving the effect of the inserting rod inserted into the ground.

[0009] Preferably, the driving device comprises a lead screw and a motor, the lead screw is rotatably installed on the inner side wall of the first guide, the sliding block is screwedly connected with the lead screw, the motor is installed on the outer side wall of the first guide, and the output end of the motor is connected with the lead screw; the lead screw is rotated through the motor, so that the lead screw drives the sliding block to move horizontally.

[0010] Preferably, the hydraulic cylinder is installed on the outer side wall of the second guide, and the moving end of the hydraulic cylinder is connected with the outer side wall of the limiting block; the extension length of the moving end of the hydraulic cylinder is controlled, and the convenience of the lifting movement adjustment of the limiting block is improved.

[0011] Preferably, the reinforcing member is arranged between the cross arm and the inserting rod; the structural firmness between the cross arm and the inserting rod is improved.

[0012] Preferably, the bottom end of the inserting rod is provided as a conical surface; the convenience of the inserting rod inserted into the ground is improved.

[0013] The utility model discloses a beneficial effect compared with prior art is: through the power equipment on the base drive caterpillar wheel rotation, makes caterpillar wheel go walking through caterpillar, when the caterpillar and the roadway ground between the skidding, through the support device and stop to the cross arm spacing, and the cross arm is pushed down fast swing under the elasticity of support device, thereby making cross arm drive the plug -in rod move down, makes the plug -in rod bottom insert ground inside, after through support device drive cross arm horizontal rearward movement, thereby making the plug -in rod provide the propelling force of advance to base, improve the reliability of base walking. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the axonometric structure schematic diagram of the utility model, and

[0015] Figure 2 It is the axonometric local structure schematic diagram of cross arm and plug -in rod etc.

[0016] Figure 3 It is the axonometric local structure schematic diagram of second guide piece and spacing block etc.

[0017] Figure 4 It is the axonometric structure schematic diagram of base and first guide piece etc.

[0018] Figure 5 It is the axonometric local structure schematic diagram of second guide piece and hydraulic cylinder etc.

[0019] Mark in drawing: 1, base, 2, caterpillar wheel, 3, caterpillar, 4, cross arm, 5, plug -in rod, 6, first guide piece, 7, sliding block, 8, support, 9, telescopic link, 10, spring, 11, electric rotary table, 12, second guide piece, 13, spacing block, 14, circular table, 15, lead screw, 16, motor, 17, hydraulic cylinder, 18, reinforcing piece. DETAILED DESCRIPTION

[0020] In order to facilitate understanding the utility model, below will refer to relevant drawings and carry out more comprehensive description to the utility model. The utility model can realize in many different forms, and is not limited to the embodiment described in this paper. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 5As shown in the utility model discloses a coal mine roadway heading machine walking device, including base 1 and track wheel 2, and a plurality of track wheel 2 are all arranged on base 1;Still include support device, track 3, cross arm 4 and insert rod 5, track 3 is sleeved in the outside of a plurality of track wheel 2, and cross arm 4 is rotatably installed on the lateral wall of base 1 through support device, and insert rod 5 is installed in the end of cross arm 4, and support device is used for limiting and providing elastic pushing force to cross arm 4, and support device is used for moving position with cross arm 4;

[0023] As Figure 2 Shown, the support device includes limiting device, drive device, first guide piece 6, sliding block 7, support 8, telescopic rod 9 and spring 10, and first guide piece 6 is installed on the lateral wall of base 1, and sliding block 7 is rotatably installed on first guide piece 6 through drive device, and the lateral wall of sliding block 7 is connected with the bottom of support 8, and cross arm 4 is rotatably installed on support 8, and telescopic rod 9 is arranged between support 8 and cross arm 4, and spring 10 is sleeved on the lateral wall of telescopic rod 9, and limiting device is arranged on sliding block 7, and limiting device is used for supporting and limiting cross arm 4;

[0024] In the embodiment, through the power equipment on base 1, track wheel 2 is rotated, makes track wheel 2 walk through track 3, when track 3 and roadway ground appear skidding, through support device, cross arm 4 is stopped and is limited, and cross arm 4 is swung downwards quickly by the elastic pushing force of support device, to make cross arm 4 drive insert rod 5 and move downwards, make the bottom of insert rod 5 insert into the inside of ground, then through support device, cross arm 4 is moved horizontally rearward, to make insert rod 5 provide the pushing force of advance to base 1, improve the reliability of base 1 walking.

[0025] Embodiment 2

[0026] On the basis of embodiment 1, as Figure 2 Shown, the utility model discloses a coal mine roadway heading machine walking device, the limiting device includes electric rotary table 11, second guide piece 12, limiting block 13 and circular table 14, and electric rotary table 11 is installed on the lateral wall of sliding block 7, and second guide piece 12 is arranged on the rotating end of electric rotary table 11, and limiting block 13 is slidably installed on second guide piece 12, and circular table 14 is arranged in the end of cross arm 4;

[0027] As Figure 3 Shown, the drive device includes lead screw 15 and motor 16, and lead screw 15 is rotatably installed on the inner lateral wall of first guide piece 6, and sliding block 7 is cooperatively screwed on lead screw 15, and motor 16 is installed on the lateral wall of first guide piece 6, and the output end of motor 16 is connected with lead screw 15;

[0028] As Figure 2As shown, further comprising a hydraulic cylinder 17 mounted on the outer wall of the second guide 12, and the moving end of the hydraulic cylinder 17 is connected with the outer wall of the limiting block 13;

[0029] As shown, Figure 2 As shown, further comprising a reinforcing member 18 arranged between the cross arm 4 and the insertion rod 5.

[0030] As shown, Figure 1 As shown, the bottom end of the insertion rod 5 is provided as a conical surface.

[0031] In the embodiment, the end of the cross arm 4 is pressed downward by the limiting device, so that the cross arm 4 drives the insertion rod 5 to move upward, at this time, the telescopic rod 9 and the spring 10 are compressed by the cross arm 4, when the insertion rod 5 needs to be used, the cross arm 4 is released by the limiting device, the cross arm 4 drives the insertion rod 5 to move downward and insert into the ground by the elastic pushing force of the spring 10, then the sliding block 7 is driven to move horizontally backward by the driving device, so that the insertion rod 5 provides a pushing force for the base 1 to walk, the limiting block 13 is moved downward, so that the limiting block 13 presses the circular table 14 downward, thereby the cross arm 4 drives the insertion rod 5 to move upward and separate from the ground, at the same time, the telescopic rod 9 and the spring 10 are compressed by the cross arm 4, when the cross arm 4 needs to be released, the second guide 12 is rotated by the electric rotating table 11, the limiting block 13 moves towards one side after the second guide 12 is rotated, when the limiting block 13 is separated from the circular table 14, the cross arm 4 is quickly released, and the effect of the insertion rod 5 inserting into the ground is improved.

[0032] The coal mine roadway tunneling machine walking device of the utility model, when working, the power equipment on the base 1 drives the track wheel 2 to rotate, the track wheel 2 walks through the track 3, when the track 3 and the roadway ground slide, the supporting device stops limiting the cross arm 4, the cross arm 4 is quickly swung downward by the elastic pushing force of the supporting device, so that the cross arm 4 drives the insertion rod 5 to move downward, the bottom of the insertion rod 5 inserts into the ground, then the cross arm 4 is driven to move horizontally backward by the supporting device, so that the insertion rod 5 provides a pushing force for the base 1 to advance.

[0033] The electric rotating table 11, the motor 16 and the hydraulic cylinder 17 of the coal mine roadway tunneling machine walking device of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0034] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A traveling device for a coal mine roadway tunneling machine, comprising a base (1) and track wheels (2), wherein multiple sets of track wheels (2) are mounted on the base (1); characterized in that, It also includes a support device, track (3), cross arm (4) and insert rod (5). The track (3) is fitted on the outside of multiple sets of track wheels (2). The cross arm (4) is rotatably mounted on the outer wall of the base (1) through the support device. The insert rod (5) is mounted on the end of the cross arm (4). The support device is used to limit the cross arm (4) and provide elastic pushing force, and the support device is used to drive the cross arm (4) to move position.

2. The traveling device for a coal mine roadway tunneling machine as described in claim 1, characterized in that, The support device includes a limiting device, a driving device, a first guide (6), a slider (7), a bracket (8), a telescopic rod (9), and a spring (10). The first guide (6) is installed on the outer wall of the base (1). The slider (7) is horizontally slidably installed on the first guide (6) through the driving device. The bottom end of the bracket (8) is connected to the outer wall of the slider (7). The cross arm (4) is rotatably installed on the bracket (8). The telescopic rod (9) is set between the bracket (8) and the cross arm (4). The spring (10) is fitted on the outer wall of the telescopic rod (9). The limiting device is set on the slider (7) and is used to limit the support of the cross arm (4).

3. The traveling device for a coal mine roadway tunneling machine as described in claim 2, characterized in that, The limiting device includes an electric rotary table (11), a second guide (12), a limiting block (13), and a frustum (14). The electric rotary table (11) is installed on the outer wall of the slider (7). The second guide (12) is set on the rotating end of the electric rotary table (11). The limiting block (13) is slidably installed on the second guide (12). The frustum (14) is set at the end of the cross arm (4).

4. The traveling device for a coal mine roadway tunneling machine as described in claim 2, characterized in that, The drive device includes a lead screw (15) and a motor (16). The lead screw (15) is rotatably mounted on the inner wall of the first guide (6). The slider (7) is screwed onto the lead screw (15). The motor (16) is mounted on the outer wall of the first guide (6). The output end of the motor (16) is connected to the lead screw (15).

5. The traveling device for a coal mine roadway tunneling machine as described in claim 3, characterized in that, It also includes a hydraulic cylinder (17), which is mounted on the outer wall of the second guide (12), and the moving end of the hydraulic cylinder (17) is connected to the outer wall of the limiting block (13).

6. The traveling device for a coal mine roadway tunneling machine as described in claim 1, characterized in that, It also includes a reinforcing member (18), which is disposed between the cross arm (4) and the insert (5).

7. The traveling device for a coal mine roadway tunneling machine as described in claim 1, characterized in that, The bottom end of the insertion rod (5) is set as a conical surface.

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