Scraper conveyer and machine head thereof

Abstract

The utility model discloses a scraper conveyor and a machine head thereof, the machine head of the scraper conveyor comprises a machine head fixed frame, a machine head movable frame and two oppositely arranged machine head movable frame moving power pieces, one end of each machine head movable frame moving power piece is connected to the machine head movable frame, and the other end of each machine head movable frame moving power piece is connected to the machine head fixed frame. The other end of the machine head movable frame moving power piece is connected to the machine head fixing frame. The machine head movable frame is connected to the machine head fixed frame in a sliding mode through the machine head movable frame moving power piece, the machine head movable frame moves in a reciprocating mode under the action of the machine head movable frame moving power piece, and in the coal transferring process, the position of a discharging point of the scraper conveyor relative to a discharging inlet of the reversed loader can be adjusted within a certain range. The problem that coal of the scraper conveyor cannot be unloaded onto the reversed loader due to the change of the distance between the unloading point of the scraper conveyor and the feeding port of the reversed loader can be effectively solved, the transfer efficiency of the mined coal can be improved, the production cost is reduced, and the economic benefits of enterprises are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mining equipment, and in particular relates to a scraper conveyor and a head thereof. Background Art

[0002] In the prior art, coal mined by underground workers in coal mines is usually transported to the surface through links such as scraper conveyors, transfer machines, and belt conveyors.

[0003] In the transportation link between the scraper conveyor and the transfer machine, due to the influence of the geological conditions of the coal seam or the ups and downs of the scraper conveyor on the working face, the distance between the unloading point of the scraper conveyor and the feeding port of the transfer machine will become larger or smaller, resulting in the coal transported by the scraper conveyor unable to be accurately transferred to the transfer machine, affecting production efficiency, increasing production costs, and reducing the economic benefits of the enterprise. Summary of the Invention

[0004] The first technical problem to be solved by the utility model is to provide a scraper conveyor head, which can improve the transportation efficiency of mined coal, reduce production costs, and improve the economic benefits of the enterprise.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A scraper conveyor head includes a head fixed frame, a head movable frame, and two oppositely arranged head movable frame moving power parts, one end of the head movable frame moving power part is connected to the head movable frame, and the other end of the head movable frame moving power part is connected to the head fixed frame; the head movable frame is slidably connected to the head fixed frame through the head movable frame moving power part, and the head movable frame moves back and forth under the action of the head movable frame moving power part.

[0007] Furthermore, the machine head also includes a machine head base, and the lower surface of the machine head fixing frame is fixedly connected to the upper surface of the machine head base.

[0008] Furthermore, the upper surface of the head base is an inclined structure. When in use, the end close to the transfer machine unloading chute is defined as the first end, and the other end is defined as the second end. The height of the first end is higher than the height of the second end.

[0009] Furthermore, the machine head movable frame includes a machine head movable frame middle plate, and a protrusion is provided on the machine head movable frame middle plate; the machine head fixed frame includes a machine head fixed frame middle plate, and a groove is provided on the machine head fixed frame middle plate; when the machine head movable frame is retracted, the protrusion is inserted into the groove.

[0010] Furthermore, the machine head movable frame includes a machine head movable frame middle plate, and a groove is provided on the machine head movable frame middle plate; the machine head fixed frame includes a machine head fixed frame middle plate, and a protrusion is provided on the machine head fixed frame middle plate; when the machine head movable frame is retracted, the protrusion is inserted into the groove.

[0011] Furthermore, the machine head movable frame includes two oppositely arranged machine head movable frame side panels, and a slide groove is provided on the outer side of the machine head movable frame side panels; two sliders are fixedly provided on the upper surface of the machine head fixed frame, and the two sliders are oppositely arranged, and the two sliders are located on both sides of the machine head movable frame; the slider is inserted into the slide groove on its corresponding side.

[0012] Furthermore, the machine head also includes two relatively arranged machine head movable frame limiting mechanisms, the machine head movable frame limiting mechanisms include a limiting power part, the upper end of the limiting power part is a fixed end, the fixed end is fixedly connected to the machine head movable frame, the lower end of the limiting power part is an action end, and a limiting component is provided at the lower end of the action end, and the limiting component includes a limiting block; the machine head fixed frame includes a machine head fixed frame bottom plate, and two limiting block drop-in holes are provided on the machine head fixed frame bottom plate.

[0013] Furthermore, the limiting assembly also includes a support block fixedly connected to the action end; there are multiple limiting blocks, and the upper end of the limiting block is provided with a horizontal hanging portion, and the hanging portion is hung on the support block.

[0014] Based on a general inventive concept, the second technical problem to be solved by the present invention is to provide a scraper conveyor that can improve the transportation efficiency of mined coal, reduce production costs, and improve the economic benefits of the enterprise.

[0015] A scraper conveyor includes the head as described above and also includes a tail.

[0016] Furthermore, the tail has the same structure as the nose, and the tail and the nose are arranged symmetrically.

[0017] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] The head of the scraper conveyor includes a head fixed frame, a head movable frame, and two oppositely arranged head movable frame moving power parts. One end of the head movable frame moving power part is connected to the head movable frame, and the other end of the head movable frame moving power part is connected to the head fixed frame. The head movable frame is slidably connected to the head fixed frame through the head movable frame moving power part. The head movable frame moves back and forth under the action of the head movable frame moving power part. During the coal transfer process, the position of the scraper conveyor's unloading point relative to the transfer machine's unloading inlet can be adjusted within a certain range. This can effectively solve the problem of the scraper conveyor's coal not being able to be unloaded onto the transfer machine due to the change in the distance between the scraper conveyor's unloading point and the transfer machine's inlet. This can improve the transfer efficiency of the mined coal, reduce production costs, and improve the company's economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the scraper conveyor of the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the scraper conveyor head of the utility model;

[0021] Figure 3 This is a structural diagram of the scraper conveyor head of the utility model;

[0022] Figure 4 yes Figure 3 A top view of

[0023] Figure 5 yes Figure 3 Side view of

[0024] Figure 6 yes Figure 2 Schematic diagram of the structure of the middle machine head movable frame;

[0025] Figure 7 yes Figure 6 A top view of

[0026] Figure 8 yes Figure 6 Side view of

[0027] Figure 9 yes Figure 2 Schematic diagram of the structure of the middle machine head fixing frame;

[0028] Figure 10 yes Figure 9 A top view of

[0029] Figure 11 yes Figure 2 Schematic diagram of the structure of the middle nose base;

[0030] Figure 12 yes Figure 11 A top view of

[0031] Figure 13 yes Figure 2 Schematic diagram of the structure of the middle nose base;

[0032] Figure 14 yes Figure 13 A top view of

[0033] In the figure, the direction of the arrow indicates the direction of coal transportation;

[0034] In the figure, 1. unloading chute of the transfer machine; 2. movable frame of the machine head; 21. middle plate of the movable frame of the machine head; 211. protrusion; 22. side plate of the movable frame of the machine head; 221. slide groove; 3. fixed frame of the machine head; 31. middle plate of the fixed frame of the machine head; 311. groove; 32. hole for falling into the limit block; 4. moving power part of the movable frame of the machine head; 5. base of the machine head; 6. limiting mechanism of the movable frame of the machine head; 61. limiting power part; 62. limiting block; 621. hanging part; 63. support block; 7. machine head lifting slot; 8. slide block; 9. machine tail lifting slot; 10. machine tail. DETAILED DESCRIPTION

[0035] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0036] Combine Figure 1 As shown, a scraper conveyor includes a head and a tail 10, and also includes a head lifting groove 7 and a tail lifting groove 9. The head lifting groove 7 is connected to the head, and the tail lifting groove 9 is connected to the tail 10.

[0037] The machine head lifting slot 7 includes a machine head lifting slot base and a middle slot fixedly installed on the upper surface of the machine head lifting slot base. The end of the machine head lifting slot base connected to the machine head is recorded as the first end, and the other end is recorded as the second end. The height of the first end is higher than the height of the second end.

[0038] The tail lifting slot 9 includes a tail lifting slot base and a middle slot fixedly installed on the upper surface of the tail lifting slot base. The end of the tail lifting slot base connected to the tail 10 is recorded as the first end, and the other end is recorded as the second end. The height of the first end is higher than the height of the second end.

[0039] The structure of the middle groove is prior art and will not be described in detail here.

[0040] Preferably, the tail 10 has the same structure as the head, and the tail 10 and the head are arranged symmetrically. When in use, the head and the tail 10 can be interchanged, making the use of the scraper conveyor of the present invention more convenient.

[0041] Combine Figure 2 、 Figure 3 、 Figure 4 ,as well as Figure 5 As shown together, the head of the scraper conveyor includes a head fixed frame 3, a head movable frame 2, and two oppositely arranged head movable frame moving power members 4, one end of the head movable frame moving power member 4 is connected to the head movable frame 2, and the other end of the head movable frame moving power member 4 is connected to the head fixed frame 3. One end of the head movable frame moving power member 4 is preferably connected to the head movable frame 2 through a pin shaft, and the other end of the head movable frame moving power member 4 is preferably connected to the head fixed frame 3 through a pin shaft.

[0042] The machine head movable frame 2 is slidably connected to the machine head fixed frame 3 through the machine head movable frame moving power member 4, and the machine head movable frame 2 moves back and forth under the action of the machine head movable frame moving power member 4.

[0043] Combine Figure 2 、 Figure 13 ,as well as Figure 14 As shown together, the machine head further includes a machine head base 5 , and the lower surface of the machine head fixing frame 3 is fixedly connected to the upper surface of the machine head base 5 .

[0044] Preferably, the upper surface of the head base 5 is an inclined structure. When in use, one end of the transfer machine unloading chute 1 close to the transfer machine (not shown in the figure) is defined as the first end, and the other end is defined as the second end. The height of the first end is higher than the height of the second end.

[0045] Combine Figure 1 As shown, the machine head base 5 is used to lift the entire machine head and form a certain angle with the ground. A machine head lifting groove 7 is set between the machine head and the middle groove for transition connection. In this way, the height of the center of the machine head sprocket can meet the unloading requirements, and the overlapping part between the machine head fixed frame 3 and the machine head movable frame 2 can still be freely extended and retracted on the inclined plane.

[0046] Combine Figure 2 、 Figure 6 、 Figure 7 ,as well as Figure 8 As shown, the machine head movable frame 2 includes two opposing machine head movable frame side panels 22, each with a slide groove 221 disposed on its outer side. Upper wing panels are disposed at the upper ends of the two machine head movable frame side panels 22, each with an inner cavity. The machine head movable frame 2 also includes a machine head movable frame middle panel 21 and a machine head movable frame bottom panel. The two machine head movable frame side panels 22, the machine head movable frame bottom panel, and the machine head movable frame middle panel 21 are welded together.

[0047] Combine Figure 2 、 Figure 9 ,as well as Figure 10As shown, the head mount 3 includes two opposing head mount side panels, each with a mount upper wing panel disposed at its upper end. The head mount 3 also includes a head mount middle panel 31 and a head mount bottom panel. The two head mount side panels, the head mount bottom panel, and the head mount middle panel 31 are welded together.

[0048] Two sliding blocks 8 are fixedly mounted on the upper surface of the machine head fixing frame 3 , and the two sliding blocks 8 are arranged opposite to each other.

[0049] Combine Figures 2 to 10 As shown together, the two slide blocks 8 are located on both sides of the machine head movable frame 2, and the slide blocks 8 are inserted into the slide grooves 221 on the corresponding sides thereof.

[0050] Preferably, a protrusion 211 is provided on the middle plate 21 of the machine head movable frame, and the protrusion 211 extends along the length direction of the middle plate 21 of the machine head movable frame; a groove 311 is provided on the middle plate 31 of the machine head fixed frame, and the groove 311 extends along the length direction of the middle plate 31 of the machine head fixed frame; when the machine head movable frame 2 is retracted, the protrusion 211 is inserted into the groove 311.

[0051] Alternatively, a groove (not shown in the figure) is provided on the middle plate 21 of the machine head movable frame, and the groove extends along the length direction of the middle plate 21 of the machine head movable frame; a protrusion (not shown in the figure) is provided on the middle plate 31 of the machine head fixed frame, and the protrusion extends along the length direction of the middle plate 31 of the machine head fixed frame; when the machine head movable frame 2 is retracted, the protrusion is inserted into the groove.

[0052] The upper wing plate of the fixed frame is inserted into the inner cavity of the upper wing plate of the movable frame on the corresponding side, and the overlapping part of the upper wing plate of the fixed frame and the upper wing plate of the movable frame is greater than the stroke of the moving power part 4 of the head movable frame. When the action end of the moving power part 4 of the head movable frame is fully extended, it can effectively prevent the upper wing plate of the fixed frame from being disengaged from the upper wing plate of the movable frame, thereby ensuring the reliability of the scraper conveyor.

[0053] Combine Figure 2 、 Figure 11 ,as well as Figure 12As shown together, the machine head also includes two relatively arranged machine head movable frame limiting mechanisms 6, and the machine head movable frame limiting mechanisms 6 include a limiting power member 61. The upper end of the limiting power member 61 is a fixed end, and the fixed end is fixedly connected to the machine head movable frame 2. The lower end of the limiting power member 61 is an action end, and the lower end of the action end is provided with a limiting assembly, and the limiting assembly includes a limiting block 62. The limiting assembly also includes a support block 63 fixedly connected to the action end. Preferably, there are multiple limiting blocks 62, and the limiting block 62 is a U-shaped structure. The support block 63 is arranged in the U-shaped groove of the limiting block 62, and the width of the support block 63 is slightly smaller than the width of the U-shaped groove of the limiting block 62. The upper end of the limiting block 62 is provided with a horizontal hanging portion 621, and the hanging portion 621 is hung on the support block 63. When the limiting block 62 is installed on the support block 63, the limiting block 62 is installed on the support block 63 in sequence from the end of the support block 63.

[0054] Combine Figure 10 As shown, two limiting block drop-in holes 32 are provided on the bottom plate of the machine head fixed frame, and the two limiting block drop-in holes 32 correspond to the two machine head movable frame limiting mechanisms 6 respectively.

[0055] The other parts of the scraper conveyor are the same as those in the prior art and will not be described in detail here.

[0056] The moving power member 4 and the limiting power member 61 of the machine head movable frame in this embodiment are preferably oil cylinders. Of course, they can also be other conventional power members that can provide power, such as electric cylinders and air cylinders, which will not be described in detail here.

[0057] The following is a detailed description of the process of transporting coal using the scraper conveyor of the present invention:

[0058] The head movable frame 2 of the machine head and the tail movable frame 10 of the machine tail are both designed to be extended and retracted. Their functions are, first, to adjust the head movable frame 2 to facilitate the smooth transfer of coal to the transfer machine unloading chute 1, and second, to adjust the tightness of the chain to ensure the normal operation of the scraper conveyor. The chain tension adjustment process is as follows: when the head movable frame 2 needs to be extended, the action end of the tail movable frame moving power part of the tail 10 must first be retracted to loosen the chain, and then the action end of the head movable frame moving power part 4 of the machine head is extended. After the head movable frame 2 reaches the predetermined position, the action end of the tail power frame moving power part of the tail 10 is adjusted to make the chain appropriately tight. When the head movable frame 2 needs to be retracted, the action end of the head movable frame moving power part 4 of the machine head can be directly retracted, and then the action end of the tail movable frame moving power part of the tail 10 is extended to tighten the chain. Note that during initial installation, do not allow the operating ends of the nose movable frame moving power member 4 and the tail movable frame moving power member to be in the extended or retracted state at the same time, so as to ensure that the nose movable frame 2 can be extended and retracted.

[0059] The coal carried on the scraper conveyor is transported to the head of the machine. The extension or retraction of the head movable frame 2 is adjusted according to the distance between the head of the machine and the transfer machine discharge chute 1. When the head movable frame 2 needs to be extended, the action end of the head movable frame moving power member 4 extends, and the head movable frame 2 moves toward the transfer machine discharge chute 1. At the same time, the action end of the limiting power part 61 extends out, the lower end of the limiting block 62 contacts the upper surface of the head fixing frame bottom plate of the head fixing frame 3, the hanging part 621 of the limiting block 62 disengages from the supporting block 63, and the head movable frame 2 continues to move toward the transfer machine unloading chute 1. When the head movable frame limiting mechanism 6 moves to the limiting block falling hole 32, the limiting block 62 falls into the limiting block falling hole 32 under the action of its own gravity. As the head movable frame 2 continues to move forward, more limiting blocks 62 fall into the limiting block falling hole 32 until the head movable frame 2 moves to the predetermined position, the head movable frame moving power part 4 stops working, and the head movable frame 2 stops moving further. The limiting block 62 that falls into the limiting block falling hole 32 limits the head movable frame 2, effectively preventing the head movable frame 2 from sliding down.

[0060] When the head movable frame 2 needs to be retracted, the action end of the limiting power part 61 is retracted, the lower end of the limiting block 62 is disengaged from the upper surface of the head fixed frame 3, and the hanging part 621 of the limiting block 62 is hung on the support block 63. The action end of the head movable frame moving power part 4 is retracted, and the head movable frame 2 moves away from the transfer machine unloading chute 1 until the head movable frame 2 moves to the predetermined position. The head movable frame moving power part 4 stops working, and the head movable frame 2 stops moving further. If there is still a limiting block 62 that can fall into the limiting block falling hole 32, the action end of the limiting power part 61 extends out, and the limiting block 62 falls into the limiting block falling hole 32 to limit the head movable frame 2, thereby effectively preventing the head movable frame 2 from sliding down.

[0061] The technical features named with serial numbers (such as the first end, the second end, etc.) involved in this specification are only for distinguishing the various technical features and do not represent the positional relationship, installation sequence, working sequence, etc. between the various technical features.

[0062] In the description of this specification, it should be understood that the orientation or positional relationship described in terms of "head base", "upper surface", "lower surface", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is 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 therefore cannot be understood as a limitation on the present invention.

[0063] Although the above describes specific embodiments of the present invention, those skilled in the art should understand that the embodiments described are only some of the embodiments of the present invention, not all of them, and are merely illustrative. The scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention and without any creative work, and such changes and modifications shall fall within the scope of protection of the present invention.

Claims

1. A scraper conveyor head, characterized in that: It includes a machine head fixed frame, a machine head movable frame, and two oppositely arranged machine head movable frame moving power parts, one end of the machine head movable frame moving power part is connected to the machine head movable frame, and the other end of the machine head movable frame moving power part is connected to the machine head fixed frame; the machine head movable frame is slidably connected to the machine head fixed frame through the machine head movable frame moving power part, and the machine head movable frame moves back and forth under the action of the machine head movable frame moving power part.

2. The scraper conveyor head according to claim 1, characterized in that: The machine head further includes a machine head base, and the lower surface of the machine head fixing frame is fixedly connected to the upper surface of the machine head base.

3. The scraper conveyor head according to claim 2, characterized in that: The upper surface of the head base is an inclined structure. When in use, the end close to the transfer machine unloading chute is defined as the first end, and the other end is defined as the second end. The height of the first end is higher than the height of the second end.

4. The scraper conveyor head according to claim 1, characterized in that: The machine head movable frame includes a machine head movable frame middle plate, and a protrusion is provided on the machine head movable frame middle plate; the machine head fixed frame includes a machine head fixed frame middle plate, and a groove is provided on the machine head fixed frame middle plate; when the machine head movable frame is retracted, the protrusion is inserted into the groove.

5. The scraper conveyor head according to claim 1, characterized in that: The machine head movable frame includes a machine head movable frame middle plate, and a groove is provided on the machine head movable frame middle plate; the machine head fixed frame includes a machine head fixed frame middle plate, and a protrusion is provided on the machine head fixed frame middle plate; when the machine head movable frame is retracted, the protrusion is inserted into the groove.

6. The scraper conveyor head according to claim 1, characterized in that: The machine head movable frame includes two oppositely arranged machine head movable frame side panels, and a slide groove is provided on the outer side of the machine head movable frame side panels; two sliders are fixedly provided on the upper surface of the machine head fixed frame, and the two sliders are oppositely arranged, and the two sliders are located on both sides of the machine head movable frame; the slider is inserted into the slide groove on its corresponding side.

7. The scraper conveyor head according to claim 1, characterized in that: The machine head also includes two relatively arranged machine head movable frame limiting mechanisms, the machine head movable frame limiting mechanisms include a limiting power part, the upper end of the limiting power part is a fixed end, the fixed end is fixedly connected to the machine head movable frame, the lower end of the limiting power part is an action end, and the lower end of the action end is provided with a limiting component, the limiting component includes a limiting block; the machine head fixed frame includes a machine head fixed frame bottom plate, and two limiting block drop-in holes are provided on the machine head fixed frame bottom plate.

8. The scraper conveyor head according to claim 7, characterized in that: The limiting assembly further comprises a support block fixedly connected to the action end; a plurality of the limiting blocks are provided, and a transverse hanging portion is provided on the upper end of the limiting block, and the hanging portion is hung on the support block.

9. A scraper conveyor, characterized in that: The scraper conveyor includes the head according to any one of claims 1 to 8, and the scraper conveyor also includes a tail.

10. The scraper conveyor according to claim 9, characterized in that: The tail has the same structure as the nose, and the tail and the nose are arranged symmetrically.

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