Heading machine for stripping coal mine soil layer

Abstract

The utility model discloses a heading machine for stripping a coal mine soil layer, and relates to the technical field of heading machines. The heading machine for stripping the coal mine soil layer comprises a heading machine body used for stripping the coal mine soil layer, and a bucket is installed below the heading end of the heading machine body; the rotating assemblies are symmetrically mounted on the bucket; the stirring part is slidably mounted at the output end of the rotating assembly, the stirring end of the stirring part is attached to the outer wall of the bucket, and the rotating assembly drives the stirring part to rotate to stir the coal mine stripped from the tunneling end to the material conveying belt from the bucket; according to the excavator, the compensation assembly is arranged on the bucket, in the long-term use of the excavator body, the stirring strip rotates on the bucket to sweep hard broken rocks into the conveying belt, abrasion is easily caused, the conveying efficiency of the broken rocks is reduced, and at the moment, the stirring strip can be adjusted in the direction close to the bucket by using the compensation assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling machines, in particular to a tunneling machine used for stripping soil layers in coal mines. Background Art

[0002] Roadheaders are machines used to dig tunnels on flat ground. Working method: They are mainly composed of a traveling mechanism, a working mechanism, a loading mechanism, and a transfer mechanism. As the traveling mechanism moves forward, the cutting head in the working mechanism continuously breaks up the rocks and transports the broken rocks away. Since roadheaders have the advantages of high efficiency and good tunneling quality in excavation work, they are also often used in soil stripping work in coal mines.

[0003] A coal mine boring machine disclosed in the patent application with reference publication number CN211422636U includes a boring machine body and a shovel plate, a support shaft is provided at one end of the boring machine body, a rotating shaft is plugged into the end of the support shaft away from the boring machine body, a cutting head is provided at the end of the rotating shaft away from the boring machine body, an auxiliary bracket is clamped on the side of the support shaft, a fixing plate is threadedly connected to the side of the support shaft through bolts, a micro water pump is fixedly connected to the lower surface of the fixing plate, and a water inlet pipe is provided on the side of the micro water pump. The coal mine boring machine, through the arrangement of the micro water pump, the water outlet pipe and the atomizing nozzle, when the boring machine is working, the cutting head cuts and crushes the coal seam to generate a large amount of dust, and the micro water pump sprays water from the atomizing nozzle, the atomizing nozzle just corresponds to the shovel plate, can play a good dust removal effect, and the atomizing nozzle is not easy to be blocked, ensuring the normal operation of the device for a long time.

[0004] As shown in the above-mentioned prior art, the existing coal mine tunneling machine humidifies the dust generated by the cutting head by setting an atomizing nozzle to reduce the amount of dust, and transports the crushed rock by setting a shovel, a conveyor belt and a turntable. However, the turntable is easily worn due to long-term rotation to transport hard rock. Due to the high cost of the turntable, directly replacing the turntable when it is worn will increase the working cost. If the worn turntable is not replaced in time, the transportation efficiency of the crushed rock will be affected.

[0005] Therefore, it is necessary to provide a tunneling machine for stripping coal mine soil layers to solve the above technical problems. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In order to solve the above technical problems, the utility model provides a tunneling machine for stripping soil layers in coal mines.

[0008] (II) Technical solution

[0009] To achieve the above purpose, the utility model is implemented through the following technical solutions: a tunneling machine for stripping soil layers in coal mines, comprising:

[0010] The tunneling machine body is used for stripping the soil layer in the coal mine, and a bucket is installed below the tunneling end of the tunneling machine body;

[0011] A rotating assembly is symmetrically mounted on the bucket;

[0012] A toggle member is slidably mounted on the output end of the rotating assembly, the toggle end of the toggle member is attached to the outer wall of the bucket, and the rotating assembly drives the toggle member to rotate to toggle the coal stripped from the excavation end from the bucket to the material conveyor belt;

[0013] The compensation component is installed between the toggle member and the rotating component, and is used to adjust the position of the toggle member on the rotating component and adjust the wear amount of the toggle member.

[0014] Preferably, the rotating assembly includes a motor fixed to the bottom of the bucket, a rotating shaft is fixed to the output end of the motor, the rotating shaft is rotatably connected to the bucket through a bearing, and the upper end of the rotating shaft extends above the bucket and is fixed with a turntable.

[0015] Preferably, the toggle member comprises a connecting ring slidably mounted on the outer wall of the turntable, four toggle bars are fixed at equal angles on the outer circumference of the connecting ring, and the bottom surface of the connecting ring and the bottom surface of the toggle bars are both in contact with the surface of the bucket.

[0016] Preferably, slide bars are symmetrically fixed on the outer wall of the turntable, and slide grooves are symmetrically opened on the inner wall of the connecting ring, and the slide bars are slidably nested in the slide grooves.

[0017] Preferably, the compensation assembly includes a screw rod rotatably connected to the side of the turntable away from the motor through a bearing, a handwheel is fixed to the end of the screw rod away from the turntable, a connecting strip is installed on the side of the connecting ring close to the handwheel, a threaded hole is opened in the middle of the connecting strip, and the connecting strip is threadedly connected to the screw rod through the threaded hole.

[0018] Preferably, a sliding sleeve is symmetrically fixed on one side of the connecting ring close to the screw rod, the two ends of the connecting strip are respectively inserted into the inner sides of the two sliding sleeves, and pressure sensors are symmetrically fixed on the two ends of the connecting strip, and the bottom surface of the pressure sensor contacts the top surface of the connecting ring.

[0019] (III) Beneficial effects

[0020] The utility model provides a tunneling machine for stripping soil layers in coal mines. Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. This application sets a compensation component on the bucket. During the long-term use of the tunnel boring machine body, the toggle bar rotates on the bucket to sweep the hard crushed rock onto the conveyor belt, which is very likely to cause wear and tear, resulting in reduced conveying efficiency of the crushed rock. At this time, the toggle bar can be adjusted to a direction close to the bucket by using the compensation component to compensate for the wear of the toggle bar. There is no need to directly replace the toggle bar, which saves engineering costs and does not affect the conveying efficiency of the crushed rock. It is practical;

[0022] 2. This application sets a sleeve and a pressure sensor so that the compensation component can better adjust the toggle bar. The pressure sensor indicates the pressure received by the toggle bar when it moves downward, ensuring that when the toggle bar is compensated and adjusted, it will not be pressed tightly against the bucket surface and unable to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the bucket of the utility model;

[0025] Figure 3 It is a schematic diagram of the rotating shaft of the utility model;

[0026] Figure 4 It is a schematic diagram of the motor of the utility model;

[0027] Figure 5 It is a schematic diagram of the slideway of the utility model;

[0028] Figure 6 It is a schematic diagram of the connecting strip of the utility model.

[0029] Numbers in the figure: 1. TBM body; 2. Bucket; 3. Pressure sensor; 4. Motor; 5. Rotating shaft; 6. Turntable; 7. Connecting ring; 8. Toggle bar; 9. Slide bar; 10. Slide groove; 11. Screw; 12. Hand wheel; 13. Connecting bar; 14. Sleeve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides two technical solutions:

[0032] Figures 1 to 5The first embodiment is shown: a tunneling machine body 1 is used for stripping soil layers in coal mines, and a bucket 2 is installed below the tunneling end of the tunneling machine body 1;

[0033] The rotating assembly is symmetrically mounted on the bucket 2;

[0034] The toggle member is slidably mounted on the output end of the rotating assembly, and the toggle end of the toggle member is attached to the outer wall of the bucket 2. The rotating assembly drives the toggle member to rotate to toggle the coal stripped from the excavation end from the bucket 2 to the material conveyor belt;

[0035] The compensation component is installed between the toggle member and the rotating component, and is used to adjust the position of the toggle member on the rotating component and adjust the wear amount of the toggle member.

[0036] The rotating assembly includes a motor 4 fixed to the bottom of the bucket 2, a rotating shaft 5 is fixed to the output end of the motor 4, the rotating shaft 5 is rotatably connected to the bucket 2 through a bearing, and the upper end of the rotating shaft 5 extends to the top of the bucket 2 and is fixed with a turntable 6.

[0037] The toggle member includes a connecting ring 7 slidably mounted on the outer wall of the rotating disk 6 , and four toggle bars 8 are fixed at equal angles on the outer circumference of the connecting ring 7 , and the bottom surfaces of the connecting ring 7 and the toggle bars 8 are both in contact with the surface of the bucket 2 .

[0038] Slide bars 9 are symmetrically fixed on the outer wall of the rotating disk 6 , and slide grooves 10 are symmetrically opened on the inner wall of the connecting ring 7 , and the slide bars 9 are slidably nested in the slide grooves 10 .

[0039] The compensation assembly includes a screw 11 rotatably connected to the side of the turntable 6 away from the motor 4 through a bearing, a handwheel 12 is fixed to the end of the screw 11 away from the turntable 6, and a connecting strip 13 is installed on the side of the connecting ring 7 close to the handwheel 12. A threaded hole is opened in the middle of the connecting strip 13, and the connecting strip 13 is threadedly connected to the screw 11 through the threaded hole.

[0040] This application sets a compensation component on the bucket 2. During the long-term use of the tunnel boring machine body 1, the toggle bar 8 rotates on the bucket 2 to sweep the hard crushed rock onto the conveyor belt, which is very likely to cause wear and tear, resulting in reduced conveying efficiency of the crushed rock. At this time, the toggle bar 8 can be adjusted in a direction close to the bucket 2 by using the compensation component to compensate for the wear of the toggle bar 8. There is no need to directly replace the toggle bar 8, which saves engineering costs and does not affect the conveying efficiency of the crushed rock. It is practical.

[0041] Figure 6 A second embodiment is shown, which mainly differs from the first embodiment in that a sleeve 14 is symmetrically fixed to one side of the connecting ring 7 close to the screw rod 11, the two ends of the connecting strip 13 are respectively inserted into the inner sides of the two sleeves 14, and the pressure sensors 3 are symmetrically fixed to the two ends of the connecting strip 13, and the bottom surface of the pressure sensor 3 is in contact with the top surface of the connecting ring 7.

[0042] This application sets a sleeve 14 and a pressure sensor 3 so that the compensation component can better adjust the toggle bar 8. The pressure sensor 3 indicates the pressure received by the toggle bar 8 when it moves downward, ensuring that when the toggle bar 8 is compensated and adjusted, it will not be pressed tightly against the surface of the bucket 2 and unable to rotate.

[0043] Working principle:

[0044] The tunnel boring machine body 1 is prior art and is not described in detail.

[0045] When the tunnel boring machine body 1 is stripping the coal mine soil layer, the broken coal will fall onto the bucket 2 below the tunnel boring machine body 1, and the motor 4 drives the rotating shaft 5 to rotate, so that the turntable 6 rotates, thereby driving the connecting ring 7 and the toggle bar 8 to rotate on the top of the bucket 2, and the toggle bar 8 sweeps the broken coal to the conveyor belt in the middle of the bucket 2; however, the toggle bar 8 is prone to wear during long-term use, resulting in poor transportation effect and reduced work efficiency, and directly replacing the toggle bar 8 will increase the project cost.

[0046] At this time, the screw 11 can be rotated by turning the hand wheel 12, thereby driving the connecting bar 13 to move down the outer wall of the screw 11, and the connecting ring 7 moves down along the sliding bar 9 on the outer wall of the turntable 6 until the bottom of the toggle bar 8 rests against the top of the bucket 2 again, completing the wear compensation of the toggle bar 8.

[0047] The two ends of the connecting bar 13 are inserted into the sliding sleeve 14, and pressure sensors 3 are fixed at both ends of the connecting bar 13, which can prompt the pressure generated by the downward movement of the connecting bar 13, to prevent the connecting bar 13 from moving downward and driving the toggle bar 8 to move downward, so that the toggle bar 8 is too tight against the top surface of the bucket 2, resulting in the toggle bar 8 being unable to rotate normally on the top surface of the bucket 2.

[0048] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tunneling machine for stripping soil layers in coal mines, characterized in that: include: A tunneling machine body (1) is used for stripping soil layers in coal mines, and a bucket (2) is installed below the tunneling end of the tunneling machine body (1); A rotating assembly is symmetrically mounted on the bucket (2); A toggle member is slidably mounted on the output end of the rotating assembly, the toggle end of the toggle member being in contact with the outer wall of the bucket (2), and the rotating assembly drives the toggle member to rotate to toggle the coal stripped from the excavation end from the bucket (2) to the material conveyor belt; The compensation component is installed between the toggle member and the rotating component, and is used to adjust the position of the toggle member on the rotating component and adjust the wear amount of the toggle member.

2. A tunneling machine for stripping soil layers in coal mines according to claim 1, characterized in that: The rotating assembly comprises a motor (4) fixed to the bottom of the bucket (2); a rotating shaft (5) is fixed to the output end of the motor (4); the rotating shaft (5) is rotatably connected to the bucket (2) via a bearing; and the upper end of the rotating shaft (5) extends above the bucket (2) and is fixed with a rotating disk (6).

3. A tunneling machine for stripping soil layers in coal mines according to claim 2, characterized in that: The toggle member comprises a connecting ring (7) slidably mounted on the outer wall of the rotating disk (6), four toggle bars (8) are fixed at equal angles on the outer circumference of the connecting ring (7), and the bottom surface of the connecting ring (7) and the bottom surface of the toggle bars (8) are both in contact with the surface of the bucket (2).

4. A tunneling machine for stripping soil layers in coal mines according to claim 3, characterized in that: Slide bars (9) are symmetrically fixed on the outer wall of the rotating disk (6), and slide grooves (10) are symmetrically opened on the inner wall of the connecting ring (7), and the slide bars (9) are slidably nested in the slide grooves (10).

5. A tunneling machine for stripping soil layers in coal mines according to claim 4, characterized in that: The compensation component comprises a screw (11) rotatably connected to a side of a turntable (6) away from the motor (4) via a bearing, a hand wheel (12) being fixed to one end of the screw (11) away from the turntable (6), a connecting strip (13) being installed on a side of the connecting ring (7) close to the hand wheel (12), a threaded hole being provided in the middle of the connecting strip (13), and the connecting strip (13) being threadedly connected to the screw (11) via the threaded hole.

6. A tunneling machine for stripping soil layers in coal mines according to claim 5, characterized in that: A sliding sleeve (14) is symmetrically fixed to one side of the connecting ring (7) close to the screw rod (11), and the two ends of the connecting strip (13) are respectively inserted into the inner sides of the two sliding sleeves (14). The two ends of the connecting strip (13) are symmetrically fixed to the pressure sensors (3), and the bottom surface of the pressure sensors (3) is in contact with the top surface of the connecting ring (7).

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