Double coal scraping device capable of being automatically adjusted

Abstract

The utility model discloses a double coal scraping device capable of being automatically adjusted. The double coal scraping device comprises a U-shaped beam erected above a coal conveying belt, a back supporting frame rotationally arranged on the front surface of the U-shaped beam, an inclined baffle fixed to the front end of the back supporting frame, a coal scraping baffle installed on the front surface of the inclined baffle, and a driving cylinder hinged between the back supporting frame and the U-shaped beam. The self-adjusting coal scraping device is arranged on the back surface of the inclined baffle; the wear-resistant round steel is fixed on the surface of the bottom end of the coal scraping baffle; a coal plough supporting frame is optimized and transformed, the whole supporting frame is lengthened, the cut-in angle is reduced, the coal plough resistance of the coal plough is reduced, abrasion-resistant round steel is adopted at the bottom of the coal plough, a coal scraping device is designed on the rear side, and belt teeth made of the same material as a coal conveying belt are installed through spring self-adjusting compensation devices at the two ends. The device is integrated with the coal plough, so that the device is convenient to mount and use on site, the use effect of the coal plough is guaranteed, and the coal leakage phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plough coal device technical field, concretely relates to a double coal scraping device of automatic regulation. BACKGROUND

[0002] The coal conveying belt is one of the indispensable facilities in the coal industry, mainly used for conveying coal, and in the coal industry, the coal conveying belt generally adopts a single coal falling mode, and a plough coal device is designed at the coal falling position to plough the coal on the coal conveying belt to the coal falling position on one side.

[0003] The plough coal device on the coal conveying belt in the prior art generally adopts a semicircular arc design, the coal falling angle is large, a large amount of coal is accumulated, coal is easily leaked from the front end of the plough coal device baffle, and the bottom of the existing plough coal device adopts a belt as a coal scraping baffle, which is easily worn during operation, causing serious powder leakage and hiding fire risks in the scene. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a double coal scraping device of automatic regulation to solve the problems in the background art, i.e., the plough coal device on the coal conveying belt in the prior art generally adopts a semicircular arc design, the coal falling angle is large, a large amount of coal is accumulated, coal is easily leaked from the front end of the plough coal device baffle, and the bottom of the existing plough coal device adopts a belt as a coal scraping baffle, which is easily worn during operation, causing serious powder leakage and hiding fire risks in the scene.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double coal scraping device of automatic regulation, comprising

[0006] A U-shaped beam is erected above the coal conveying belt, a back support frame is rotationally arranged on the front surface of the U-shaped beam, an inclined baffle is fixed at the front end of the back support frame, a coal scraping baffle is installed on the front surface of the inclined baffle, and a drive cylinder is hingedly connected between the back support frame and the U-shaped beam.

[0007] A self-adjusting coal scraping device is arranged on the back surface of the inclined baffle.

[0008] A wear-resistant round steel is fixed on the bottom end surface of the coal scraping baffle, and the wear-resistant round steel is located on the top surface of the coal conveying belt.

[0009] Preferably, the back support frame comprises a three-pronged plate, a side plate, and a connecting inclined plate, the front end of the three-pronged plate and the front end of the side plate are both fixed on the back surface of the inclined baffle.

[0010] Preferably, the front surface of the U-shaped beam is symmetrically fixed with two support plates, and the rear ends of the three-pronged plate and the side plate are respectively hingedly connected with the two support plates.

[0011] Preferably, the connecting inclined plate is fixed between the three-pronged plate and the side plate.

[0012] Preferably, the top surface of the back support frame is fixed with a connecting block corresponding to the free end of the driving cylinder, the top end of the U-shaped beam is fixed with a U-shaped seat corresponding to the driving cylinder, the top end of the driving cylinder is hinged to the U-shaped seat, and the free end of the bottom end of the driving cylinder is hinged to the connecting block.

[0013] Preferably, the self-adjusting coal scraping device comprises two clamping plates and a belt strip, the belt strip is fixed between the two clamping plates through bolts, and the bottom end of the belt strip extends to the top of the coal conveying belt, the self-adjusting coal scraping device further comprises two movable structures, the movable structures are arranged between the clamping plates and the inclined baffle, the movable structures comprise a round rod, a seat plate one and a seat plate two, the seat plate one and the seat plate two are fixed to the back of the inclined baffle, the round rod penetrates through the seat plate one and the seat plate two at the same time, the bottom end of the round rod is fixed to the surface of the clamping plate, a spring is sleeved between the surface of the round rod and the seat plate one and the seat plate two, an annular seat one is fixed between the surface of the round rod and the seat plate one and the seat plate two, and the annular seat one is located at the bottom of the spring, and an annular seat two is further fixed to the top of the seat plate two relative to the top surface of the round rod.

[0014] Preferably, the annular seat one is welded to the surface of the round rod, and the annular seat two is fixed to the top surface of the round rod through a nut.

[0015] Preferably, adjustable fixing structures are arranged between the inclined baffle and the coal scraping baffle, the adjustable fixing structures comprise fixing bolts and strip bolt holes, a plurality of strip bolt holes corresponding to the fixing bolts are formed in the surfaces of the inclined baffle and the coal scraping baffle, the fixing bolts penetrate through the inclined baffle and the coal scraping baffle through the strip bolt holes and are locked and fixed through a nut.

[0016] Compared with the prior art, the plow coal device support frame is optimized and transformed, the support frame is integrally lengthened and the cutting angle is reduced, the plowing resistance of the plow coal device is reduced, a wear-resistant round steel is arranged at the bottom of the plow coal device, a coal scraping device is designed at the rear side, the two-end spring self-adjusting compensation device is mounted, the belt teeth of the same material as the coal conveying belt are arranged, and the plow coal device forms an integral whole, so that the on-site installation and use are facilitated, the use effect of the plow coal device is guaranteed, and the coal leakage phenomenon is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a back view of the utility model;

[0019] Figure 3It is a structure schematic view of the back support frame of the utility model;

[0020] Figure 4 It is a structure schematic view of the self-adjusting coal scraping device of the utility model;

[0021] Figure 5 It is a structure schematic view of the utility model Figure 1 It is a local enlarged view of A area in the middle;

[0022] In the drawing: 1, U-shaped beam; 11, support plate; 12, U-shaped seat; 2, drive cylinder; 3, back support frame; 31, three-pronged plate; 32, side plate; 33, connecting inclined plate; 4, inclined baffle; 5, coal scraping baffle; 51, wear-resistant round steel; 6, coal conveying belt; 7, connecting block; 8, self-adjusting coal scraping device; 81, clamping plate; 82, belt strip; 83, round rod; 84, seat plate one; 85, seat plate two; 86, ring seat one; 87, spring; 88, ring seat two; 91, fixing bolt; 92, strip-shaped bolt hole. DETAILED DESCRIPTION

[0023] 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 protection scope of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1 to 5 , the first embodiment of the utility model provides a technical scheme: a double coal scraping device capable of automatic adjustment, comprising

[0026] The U-shaped beam 1 is erected above the coal conveying belt 6, the back support frame 3 is rotationally arranged on the front surface of the U-shaped beam 1, the inclined baffle 4 is fixed on the front end of the back support frame 3, the coal scraping baffle 5 is installed on the front surface of the inclined baffle 4, and the drive cylinder 2 is hingedly connected between the back support frame 3 and the U-shaped beam 1.

[0027] The self-adjusting coal scraping device 8 is arranged on the back of the inclined baffle 4, can form an integral whole with the inclined baffle 4, guarantees the use effect, and avoids the occurrence of coal leakage.

[0028] The wear-resistant round steel 51 is fixed on the bottom end surface of the coal scraping baffle 5, the wear-resistant round steel 51 is located on the top surface of the coal conveying belt 6 and adheres to the coal conveying belt 6, can cooperate with the coal scraping baffle 5 to effectively scrape the coal on the top of the coal conveying belt 6, so that the coal can be discharged from one side, and the design of the circular cross section can reduce wear and play a wear-resistant effect.

[0029] In the embodiment, preferably, the back support frame 3 comprises a three-pronged plate 31, a side plate 32 and a connecting inclined plate 33, the front end of the three-pronged plate 31 and the front end of the side plate 32 are both welded and fixed on the back of the inclined baffle 4, the front surface of the U-shaped beam 1 is symmetrically welded and fixed with two support plates 11, and the rear end of the three-pronged plate 31 and the side plate 32 are respectively hinged with the two support plates 11, so that the back support frame 3 can be smoothly installed in front of the U-shaped beam 1, and the subsequent back support frame 3 can be raised or inclined with the inclined baffle 4, the connecting inclined plate 33 is welded and fixed between the three-pronged plate 31 and the side plate 32, so that the three-pronged plate 31 and the side plate 32 can be stably fixed on the back of the inclined baffle 4.

[0030] In the embodiment, preferably, the top surface of the back support frame 3 is welded and fixed with a connecting block 7 corresponding to the free end of the driving cylinder 2, the top end of the U-shaped beam 1 is welded and fixed with a U-shaped seat 12 corresponding to the driving cylinder 2, the top end of the driving cylinder 2 is hinged with the U-shaped seat 12, and the free end of the bottom end of the driving cylinder 2 is hinged with the connecting block 7, so that when the free end of the bottom end of the driving cylinder 2 is retracted during the subsequent operation of the driving cylinder 2, the back support frame 3 and the inclined baffle 4 will be raised and stored, which is convenient for the operator to maintain the top of the coal conveying belt 6.

[0031] In the embodiment, preferably, the self-adjusting coal scraping device 8 comprises two clamping plates 81 and a belt strip 82, the belt strip 82 is fixed between the two clamping plates 81 by bolts, and the bottom end of the belt strip 82 extends to the top of the coal conveying belt 6, the belt strip 82 is made of old belts, which can reduce the cost and promote the repair and utilization of waste, the self-adjusting coal scraping device 8 further comprises two movable structures, the movable structures are arranged between the clamping plates 81 and the inclined baffle 4, the movable structures comprise a round rod 83, a seat plate one 84 and a seat plate two 85, the seat plate one 84 and the seat plate two 85 are welded and fixed on the back of the inclined baffle 4, the round rod 83 penetrates through the seat plate one 84 and the seat plate two 85 at the same time, and the bottom end of the round rod 83 is welded and fixed on the surface of the clamping plate 81, a spring 87 is sleeved between the surface of the round rod 83 and the seat plate one 84 and the seat plate two 85, an annular seat one 86 is fixed between the surface of the round rod 83 and the seat plate one 84 and the seat plate two 85, and the annular seat one 86 is at the bottom of the spring 87, and an annular seat two 88 is further fixed on the top surface of the round rod 83 relative to the top of the seat plate two 85, under the pushing of the spring 87, the round rod 83 is always subjected to a downward force, so that the bottom end of the belt strip 82 can always be elastically attached to the coal conveying belt 6, so that the height of the belt strip 82 can be self-adaptively adjusted under the action of the spring 87, and the belt strip 82 can effectively scrape the coal on the top of the coal conveying belt 6.

[0032] In this embodiment, preferably, the ring seat one 86 is welded and fixed on the surface of the round rod 83, and the ring seat two 88 is fixed on the top surface of the round rod 83 through a nut, and the height of the ring seat two 88 can be adjusted by screwing the nut later.

[0033] In summary, in actual use, under the premise of not changing the width of the coal conveying belt 6 and the unilateral coal dropping mode (the construction investment of widening the belt or changing the two-side coal dropping mode is relatively large), the plough coal device and the coal scraping device of the coal conveying system are optimized, the overall support frame is lengthened and the cutting angle is reduced, the plough coal resistance of the plough coal device is reduced, the wear-resistant round steel 51 is used at the bottom of the plough coal device, and a self-adjusting coal scraping device 8 is designed at the rear side, the self-compensation device at both ends is equipped with the belt strip 82 made of the same material as the coal conveying belt 6 (made of the old belt, reducing the cost), and the inclined baffle 4 and the coal scraping baffle 5 form an integral whole, which is convenient for on-site installation and use, guarantees the coal scraping effect, avoids the occurrence of coal leakage, the optimization and transformation are easy for future maintenance work, two people can cooperate to work, the work load is reduced, and the belt strip 82 can be adjusted or replaced once a year, and the later investment cost is low.

[0034] Embodiment 2

[0035] Please refer to Figures 1 to 5 For the second embodiment of the utility model, which is based on the previous embodiment, the difference is that an adjustable fixing structure is arranged between the inclined baffle 4 and the coal scraping baffle 5, the adjustable fixing includes a fixing bolt 91 and a strip-shaped bolt hole 92, a plurality of strip-shaped bolt holes 92 corresponding to the fixing bolt 91 are arranged on the surfaces of the coal scraping baffle 5 and the inclined baffle 4, the fixing bolt 91 penetrates through the inclined baffle 4 and the coal scraping baffle 5 through the strip-shaped bolt hole 92 and is locked and fixed through a nut, so that the operator can loosen the nut later, and then the height of the coal scraping baffle 5 can be adjusted up and down, and when the height is adjusted to a suitable height, the nut is locked and fixed, so that the installation height of the coal scraping baffle 5 can be adaptively adjusted.

[0036] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatically adjustable double coal scraper device, characterized by: include A U-shaped beam (1) mounted above a coal conveying belt (6), a back support frame (3) rotatably mounted on the front surface of the U-shaped beam (1), an inclined baffle (4) fixed to the front end of the back support frame (3), a coal scraping baffle (5) mounted on the front surface of the inclined baffle (4), and a driving cylinder (2) hinged between the back support frame (3) and the U-shaped beam (1); and a self-adjusting coal scraping device (8) arranged on the back of the inclined baffle (4); and a wear-resistant round steel (51) fixed on the bottom end surface of the coal scraping baffle (5), wherein the wear-resistant round steel (51) is located on the top surface of the coal conveying belt (6).

2. The automatically adjustable double coal scraper device according to claim 1, characterized in that: The back support frame (3) comprises a three-pronged plate (31), a side plate (32) and a connecting inclined plate (33), and the front end of the three-pronged plate (31) and the front end of the side plate (32) are both fixed to the back side of the inclined baffle (4).

3. The automatically adjustable double coal scraper device according to claim 2, characterized in that: Two support plates (11) are symmetrically fixed to the front surface of the U-shaped beam (1), and the rear ends of the three-pronged plate (31) and the side plate (32) are hinged to the two support plates (11) respectively.

4. The automatically adjustable double coal scraper device according to claim 2, characterized in that: The connecting inclined plate (33) is fixed between the three-pronged plate (31) and the side plate (32).

5. The automatically adjustable double coal scraper device according to claim 1, characterized in that: A connecting block (7) corresponding to the free end of the driving cylinder (2) is fixed on the top surface of the back support frame (3); a U-shaped seat (12) corresponding to the driving cylinder (2) is fixed at the top end of the U-shaped beam (1); the top end of the driving cylinder (2) is hinged to the U-shaped seat (12); and the free end of the bottom end of the driving cylinder (2) is hinged to the connecting block (7).

6. The automatically adjustable double coal scraper device according to claim 1, characterized in that: The self-adjusting coal scraping device (8) includes two clamping plates (81) and a belt strip (82), wherein the belt strip (82) is fixed between the two clamping plates (81) by bolts, and the bottom end of the belt strip (82) extends to the top of the coal conveying belt (6), and the self-adjusting coal scraping device (8) also includes two movable structures, wherein the movable structures are arranged between the clamping plates (81) and the inclined baffle (4), and the movable structures include a round rod (83), a seat plate 1 (84) and a seat plate 2 (85), wherein the seat plate 1 (84) and the seat plate 2 (85) are fixed on the back of the inclined baffle (4). The round rod (83) passes through the seat plate 1 (84) and the seat plate 2 (85) at the same time, and the bottom end of the round rod (83) is fixed on the surface of the clamping plate (81), and a spring (87) is provided between the surface of the round rod (83) relative to the seat plate 1 (84) and the seat plate 2 (85), and a ring seat 1 (86) is fixed between the surface of the round rod (83) relative to the seat plate 1 (84) and the seat plate 2 (85), and the ring seat 1 (86) is at the bottom of the spring (87), and a ring seat 2 (88) is also fixed on the top surface of the round rod (83) relative to the top of the seat plate 2 (85).

7. The automatically adjustable double coal scraper device according to claim 6, characterized in that: The first ring seat (86) is welded and fixed on the surface of the round rod (83), and the second ring seat (88) is fixed on the top surface of the round rod (83) through a nut.

8. The automatically adjustable double coal scraper device according to claim 1, characterized in that: An adjustable fixing structure is provided between the inclined baffle (4) and the coal scraping baffle (5), wherein the adjustable fixing structure comprises a fixing bolt (91) and a strip-shaped bolt hole (92). A plurality of strip-shaped bolt holes (92) corresponding to the fixing bolts (91) are provided on the surfaces of the coal scraping baffle (5) and the inclined baffle (4). The fixing bolts (91) pass through the inclined baffle (4) and the coal scraping baffle (5) through the strip-shaped bolt holes (92) and are locked and fixed by a nut.

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