In-situ turning mechanism of coal mine heading machine

Abstract

The utility model belongs to the field of turning-around mechanisms, and particularly relates to an in-situ turning-around mechanism of a coal mine heading machine, which comprises a heading machine main body, a crawler belt is arranged on the side surface of the heading machine main body, a hydraulic cylinder is fixedly arranged at the top of the inner side of the heading machine main body, and the tail end of a telescopic shaft of the hydraulic cylinder is fixedly connected with a linkage plate. The linkage plate is slidably connected to the interior of the heading machine body, the bottom of the linkage plate is fixedly connected with a connecting seat, the inner side of the connecting seat is rotatably connected with a reversing seat, and the bottom of the reversing seat is fixedly connected with a conical nail. The linkage plate driven by the hydraulic cylinder to ascend and descend is arranged in the heading machine body, the connecting base is arranged at the bottom of the linkage plate, the reversing base rotating relative to the connecting base is arranged in the connecting base, and the conical nails are arranged at the bottom of the reversing base, so that when the reversing base abuts against the ground and the conical nails are inserted into the ground, the whole heading machine is lifted relatively, and the heading machine is convenient to use. Therefore, the axis of the reversing seat can be reversed simply and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to a U-turn mechanism field, concretely is a coal mine heading machine's spot U-turn mechanism. BACKGROUND

[0002] The coal mine heading machine is a kind of engineering equipment specially used for coal mine roadway heading, it can improve heading efficiency, reduce labor intensity, and improve the security of operation, and the combined unit of cutting, loading transportation, self walking and spray dust collection is integrated.

[0003] By searching, in the application public disclosure number for CN119373519A the invention application patent discloses a kind of coal mine heading machine, including track walking mechanism, its setting bottom of heading machine, for the inside of entire heading machine in roadway is carried out walking work;Conveying mechanism, it is set in the intermediate position of 2 track walking mechanisms, heading drill bit includes the adjusting drill plate of arc-shaped equiangular distribution, and the outer wall of adjusting drill plate is evenly distributed with mining drill.

[0004] And existing coal mine heading machine is generally needed to be completed by the track of driver control in mine, it is more troublesome.Therefore, it needs to be improved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of coal mine heading machine's spot U-turn mechanism, solve the existing coal mine heading machine in mine, it is generally needed to be completed by the track of driver control, it is more troublesome problem.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of coal mine heading machine's spot U-turn mechanism, including heading machine main body, the side of the heading machine main body is provided with track, the inner side top of the heading machine main body is fixedly installed with hydraulic cylinder, the telescopic shaft end of the hydraulic cylinder is fixedly connected with linkage plate, the linkage plate is slidably connected in the inside of heading machine main body, the bottom of the linkage plate is fixedly connected with connecting seat, the inner side of the connecting seat is rotatably connected with reversing seat, the bottom of the reversing seat is fixedly connected with taper nail, the inside of the heading machine main body is fixedly connected with guide rod, the guide rod passes through linkage plate and is slidably connected with linkage plate, and the guide rod is provided with lubricating mechanism.

[0007] Preferably, the side of the connecting seat is slidably connected with limit pin, and the limit pin is arranged through the connecting seat, one end of the limit pin is slidably connected with the reversing seat, the other end of the limit pin is fixedly connected with pull ring, and the outer side of the limit pin is provided with spring one. Through the setting of limit pin, the reversing seat has the limiting effect in the vertical direction.

[0008] Preferably, the circumferential surface of the reversing seat is provided with a ring groove, and the end of the limiting pin is located in the ring groove. Through the arrangement of the ring groove, the limiting pin does not affect the relative rotation between the reversing seat and the connecting seat.

[0009] Preferably, one end of the spring one is fixedly connected with the pull ring, and the other end of the spring one is fixedly connected with the outer wall of the connecting seat. Through the arrangement of the spring one, the elastic force can be applied to the limiting pin through the pull ring.

[0010] Preferably, the side of the linkage plate is provided with a ball, and the ball is in contact with the inner surface of the tunneling machine body. Through the arrangement of the ball, the relative friction between the linkage plate and the inner wall of the tunneling machine body can be reduced.

[0011] Preferably, the lubricating mechanism comprises an oil storage box fixedly connected to the upper segment of the guide rod, a pad, a sponge block and a baffle are slidably connected to the inner side of the oil storage box, the pad and the baffle are in contact with the sponge block, a spring two is fixedly connected to the inner top of the oil storage box, the spring two is fixedly connected with the baffle, a stroke limiting block is fixedly connected to the inner top of the oil storage box, the stroke limiting block is sleeved on the inner side of the spring two, an oil collecting groove is fixedly connected to the upper end of the linkage plate, and the oil collecting groove is located below the oil storage box, and a top rod is fixedly connected to the inner side of the oil collecting groove. Through the arrangement of the lubricating mechanism, the sliding connection between the linkage plate and the guide rod is lubricated, and the wear is reduced.

[0012] Preferably, the bottom of the oil storage box is provided with a plug hole and an oil outlet hole, and the position of the oil outlet hole corresponds to the top rod. Through the arrangement of the plug hole, the top rod can be inserted into the oil storage box from the bottom.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1、 the utility model discloses a linkage plate driven by a hydraulic cylinder is arranged in the tunneling machine body, the bottom of the linkage plate is provided with a connecting seat, the connecting seat is provided with a reversing seat relatively rotatable, and the bottom of the reversing seat is provided with a taper nail, so that when the reversing seat is in contact with the ground and the taper nail is inserted into the ground, the whole is lifted, thereby the reversing seat can be reversed around the shaft center, and the operation is simple and convenient.

[0015] 2、 the utility model discloses a guide rod is arranged in the tunneling machine body for the lifting guide of the linkage plate, and then a lubricating mechanism is arranged on the guide rod, after the linkage plate resets, can continue to move up a certain distance, and then the top rod can be inserted into the oil storage box from the bottom, so that the pad and the baffle extrude the sponge block, thereby releasing the lubricating oil, and the lubricating oil flows to the sliding connection between the linkage plate and the guide rod under the guidance of the oil collecting groove, and the wear of the two can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the overall structure of the utility model;

[0017] Figure 2 is a perspective view of the overall structure of the utility model; Figure 1 is a front view of the utility model;

[0018] Figure 3 is a perspective view of the overall structure of the utility model; Figure 2 is a schematic view of the reversing seat structure of the utility model;

[0019] Figure 4 is a perspective view of the overall structure of the utility model; Figure 2 is an enlarged view of the A part structure of the utility model;

[0020] Figure 5 is an enlarged view of the B part structure of the utility model. Figure 2

[0021] In the figure: 1, heading machine main body; 2, track; 3, hydraulic cylinder; 4, linkage plate; 5, connecting seat; 6, reversing seat; 61, taper nail; 7, guide rod; 8, ball; 9, lubricating mechanism; 10, limit pin; 11, pull ring; 12, spring one; 91, oil collecting groove; 92, ejector rod; 93, oil storage box; 94, cushion block; 95, sponge block; 96, baffle; 97, spring two; 98, stroke limit block; 99, jack; 910, oil outlet hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-3 , a coal mine heading machine's in situ turning mechanism, including heading machine main body 1, the side of heading machine main body 1 is provided with track 2, the inner side top of heading machine main body 1 is fixedly installed with hydraulic cylinder 3, the telescopic axle end of hydraulic cylinder 3 is fixedly connected with linkage plate 4, linkage plate 4 is slidingly connected in the inside of heading machine main body 1, the bottom of linkage plate 4 is fixedly connected with connecting seat 5, the inner side of connecting seat 5 is rotatably connected with reversing seat 6, the bottom of reversing seat 6 is fixedly connected with taper nail 61, the inside of heading machine main body 1 is fixedly connected with guide rod 7, guide rod 7 penetrates linkage plate 4 and is slidingly connected with linkage plate 4.

[0024] Please refer to Figure 2 , Figure 4 ​The side of the connecting base 5 is slidably connected with a limiting pin 10, the limiting pin 10 is arranged through the connecting base 5, one end of the limiting pin 10 is slidably connected with the reversing base 6, the other end of the limiting pin 10 is fixedly connected with a pull ring 11, and the outer side of the limiting pin 10 is sleeved with a spring 12. The limiting pin 10 is arranged to limit the reversing base 6 in the vertical direction. The circumferential surface of the reversing base 6 is provided with a ring groove, and the end of the limiting pin 10 is located in the ring groove. The ring groove is arranged to prevent the limiting pin 10 from affecting the relative rotation between the reversing base 6 and the connecting base 5. One end of the spring 12 is fixedly connected with the pull ring 11, and the other end of the spring 12 is fixedly connected to the outer wall of the connecting base 5. The spring 12 is arranged to apply an elastic force to the limiting pin 10 through the pull ring 11. The side of the linkage plate 4 is provided with a ball 8, and the ball 8 is in contact with the inner surface of the tunneling machine body 1. The ball 8 is arranged to reduce the relative friction between the linkage plate 4 and the inner wall of the tunneling machine body 1.

[0025] Please refer to Figure 2 、 Figure 5 The guide rod 7 is provided with a lubricating mechanism 9. The lubricating mechanism 9 is arranged to lubricate the sliding connection between the linkage plate 4 and the guide rod 7, thereby reducing wear. The lubricating mechanism 9 includes an oil storage box 93 fixedly connected to the upper segment of the guide rod 7, a pad 94, a sponge block 95 and a baffle 96 slidably connected to the inner side of the oil storage box 93, the pad 94 and the baffle 96 being in contact with the sponge block 95, a spring 97 fixedly connected to the inner top of the oil storage box 93, the spring 97 being fixedly connected with the baffle 96, a stroke limiting block 98 fixedly connected to the inner top of the oil storage box 93, the stroke limiting block 98 being sleeved on the inner side of the spring 97, an oil collecting groove 91 fixedly connected to the upper end of the linkage plate 4, the oil collecting groove 91 being located below the oil storage box 93, and a jack 92 fixedly connected to the inner side of the oil collecting groove 91. The bottom of the oil storage box 93 is provided with a plug hole 99 and an oil outlet hole 910, and the position of the oil outlet hole 910 corresponds to the jack 92. The plug hole 99 is arranged to facilitate the insertion of the jack 92 into the oil storage box 93 from the bottom.

[0026] The specific implementation process of the utility model is as follows: in use, the linkage plate 4 is pushed downward by the hydraulic cylinder 3, the linkage plate 4 drives the connecting base 5 and the reversing base 6 to move downward until the reversing base 6 abuts against the ground, the conical nails 61 at the bottom of the reversing base 6 are inserted into the ground, and the whole body is lifted off the ground, then the reversing base can be reversed around the shaft, which is simple and convenient. In addition, after the linkage plate 4 is reset, it can be moved upward by a certain distance, then the jack 92 can be inserted into the oil storage box 93 from the bottom, so that the pad 94 and the baffle 96 can extrude the sponge block 95, thereby releasing the lubricating oil, and the lubricating oil flows to the sliding connection between the linkage plate 4 and the guide rod 7 under the guidance of the oil collecting groove 91, thereby reducing the wear of the two.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanism for turning a coal mine heading machine in situ, comprising a heading machine body (1), characterised in that: The side of the tunneling machine body (1) is provided with a track (2), the inner side top of the tunneling machine body (1) is fixedly installed with a hydraulic cylinder (3), the telescopic shaft tail of the hydraulic cylinder (3) is fixedly connected with a linkage plate (4), the linkage plate (4) is slidingly connected in the inside of the tunneling machine body (1), the bottom of the linkage plate (4) is fixedly connected with a connecting seat (5), the inner side of the connecting seat (5) is rotatably connected with a reversing seat (6), the bottom of the reversing seat (6) is fixedly connected with a tapered nail (61), the inside of the tunneling machine body (1) is fixedly connected with a guide rod (7), the guide rod (7) penetrates through the linkage plate (4) and is slidingly connected with the linkage plate (4), and the guide rod (7) is provided with a lubricating mechanism (9).

2. The in situ turning mechanism of a coal mine heading machine according to claim 1, characterized in that: The side of the connecting seat (5) is slidingly connected with a limiting pin (10), the limiting pin (10) penetrates through the connecting seat (5), one end of the limiting pin (10) is slidingly connected with the reversing seat (6), the other end of the limiting pin (10) is fixedly connected with a pull ring (11), and the outer side of the limiting pin (10) is sleeved with a spring (12).

3. A U-turn mechanism for a coal mine heading machine according to claim 2, characterised in that: The circumferential surface of the reversing seat (6) is provided with an annular groove, and the tail end of the limiting pin (10) is located in the annular groove.

4. The in situ turning mechanism of a coal mine heading machine according to claim 2, characterized in that: One end of the spring (12) is fixedly connected with the pull ring (11), and the other end of the spring (12) is fixedly connected to the outer wall of the connecting seat (5).

5. The in situ turning mechanism of a coal mine heading machine according to claim 1, characterized in that: The side of the linkage plate (4) is provided with a ball (8), and the ball (8) is in contact with the inner surface of the tunneling machine body (1).

6. The in situ turning mechanism of a coal mine heading machine according to claim 1, characterized in that: The lubricating mechanism (9) comprises a storage box (93) fixedly connected to the upper segment of the guide rod (7), the inner side of the storage box (93) is slidingly connected with a pad (94), a sponge block (95) and a baffle (96), the pad (94) and the baffle (96) are in contact with the sponge block (95), the inner side top of the storage box (93) is fixedly connected with a spring (97), the spring (97) is fixedly connected with the baffle (96), the inner side top of the storage box (93) is fixedly connected with a stroke limiting block (98), the stroke limiting block (98) is sleeved on the inner side of the spring (97), the upper end of the linkage plate (4) is fixedly connected with an oil collecting groove (91), the oil collecting groove (91) is located below the storage box (93), and the inner side of the oil collecting groove (91) is fixedly connected with a top rod (92).

7. A U-turn mechanism for a coal mine heading machine according to claim 6 wherein: The bottom of the storage box (93) is provided with a thimble (99) and an oil outlet hole (910), and the position of the oil outlet hole (910) corresponds to the top rod (92).

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