Mechanism for preventing coal feeder from being blocked

Abstract

The utility model discloses a mechanism for preventing a coal feeder from being blocked, which belongs to the technical field of coal feeders and comprises a main body structure, a coal feeder body, a feed inlet and a barrel, the feed inlet is arranged at the top of the coal feeder body, and the barrel penetrates through the feed inlet and extends towards an inner cavity of the coal feeder body. The periphery of the barrel is fixedly connected with the top of the coal feeder body through a mounting frame, and the cleaning assembly is arranged in an inner cavity of the barrel and comprises a feeding part, a rotating shaft, a synchronous belt, a first shifting block, a push plate, a beating rod, a sliding block, a sliding rod, a first spring, a scraping part and a reset part. The coal scraper can maintain fluidity of coal, is linked with the beating rod to reciprocate to continuously beat the barrel to prevent the coal from being attached to the inner wall of the barrel, and can be linked with the lifting ring to drive the scraping part to move to scrape the coal on the inner wall of the barrel to prevent blockage caused by accumulated materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal feeder technical field, concretely is a kind of mechanism of preventing coal feeder block. BACKGROUND

[0002] Coal feeder is a kind of mechanical equipment that can accurately adjust the coal supply of coal mill according to load requirement, it is arranged between raw coal hopper and coal mill, in direct-fired pulverizing system, coal supply is directly adapted to boiler load, coal feeder is various, according to structural characteristics and working principle, there are volumetric and gravity two kinds, belong to a part of blast furnace ironmaking technical field, coal feeder often appears that coal is not transported smoothly in working process, even block phenomenon, increase the mechanism of preventing block in the feed inlet of coal feeder, coal powder can be ensured to enter coal feeder smoothly by a series of technical means, to avoid block phenomenon.

[0003] In prior art, when block appears, it is cleared by artificial knocking, but artificial knocking processing mode needs to consume a lot of manpower, and block can influence the continuous stable operation of boiler, in conclusion, coal feeder block can increase artificial cost and downtime, reduce the reliability of continuous stable operation of boiler.

[0004] Therefore, the technical personnel in the art provide a kind of mechanism of preventing coal feeder block to solve the problems mentioned in the above prior art. CONTENT OF UTILITY MODEL

[0005] To solve the above problems, the utility model provides a kind of mechanism of preventing coal feeder block.

[0006] The utility model is realized by the following technical schemes:

[0007] The utility model provides a mechanism is prevented to block of coal feeder, including main body structure, including coal feeder body, feed inlet and cylinder, the feed inlet is set up in the top of coal feeder body, the cylinder penetrates feed inlet, and extends to the inner chamber of coal feeder body, the circumference of cylinder is fixedly connected with the top of coal feeder body through mounting bracket, and, cleaning assembly is located in the inner chamber of cylinder, including feeding piece, pivot, synchronous belt, first dial block, push plate, knock stick, sliding block, slide rod, first spring, scraping piece and reset piece, the feeding piece is fixedly connected in the top of cylinder, the pivot is set up in one side of cylinder, and is connected with feeding piece transmission through synchronous belt, the first dial block is fixedly connected in the surface of pivot, the push plate is contacted with one side of first dial block, the knock stick is fixedly connected in the top of push plate, the sliding block is fixedly connected in both sides of knock stick, the slide rod is connected with one side of sliding block and is fixedly connected in one side of cylinder, the first spring is sleeved in the surface of slide rod, one side of first spring is fixedly connected with sliding block, the other side of first spring is fixedly connected with cylinder, the scraping piece is fixedly connected in the bottom of pivot, and the reset piece is located in one side of scraping piece.

[0008] As preferable, the feeding piece includes a fixed plate fixedly connected to the top of the cylinder, a motor fixedly connected to the top of the fixed plate, and a feeding auger fixedly connected to the output shaft of the motor, the feeding auger penetrating the cylinder and extending into the inner chamber of the cylinder, and the surface of the feeding auger being in transmission connection with the pivot through the synchronous belt.

[0009] As preferable, the scraping piece includes a second dial block fixedly connected to the bottom of the pivot, a triangular block provided on one side of the second dial block and in contact with one side of the triangular block, a lifting ring fixedly connected to one side of the triangular block, the lifting ring penetrating the cylinder and extending into the inner chamber of the cylinder, and a scraping portion provided on the top of the lifting ring.

[0010] As preferable, the scraping portion includes a scraping plate provided on the top of the lifting ring, and the outer circle of the scraping plate being in contact with the inner wall of the cylinder.

[0011] As preferable, the number of the scraping plates is multiple, and the scraping plates are equidistantly distributed.

[0012] As preferable, one side of the scraping plate is provided with a connecting rod, the scraping plate is fixedly connected with the lifting ring through the connecting rod, and the connecting rod has multiple groups and is uniformly distributed on the top of the lifting ring.

[0013] As preferable, the reset piece includes first reset plates fixedly connected to both sides of the lifting ring, a second spring fixedly connected to the top of the first reset plate, a second reset plate fixedly connected to the top of the second spring, and the second reset plate being fixedly connected with one side of the cylinder.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a structure design through the cleaning assembly, through the feeding spare to the coal material is transported, maintains coal material fluidity, and the linkage knock stick reciprocating motion is beaten, prevents the coal material from adhering in the cylinder inner wall, and simultaneously linkage lifting ring can drive the scraping part and move, and the coal material of cylinder inner wall is scraped, prevents the material and blocks. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the cylinder cross section structure schematic diagram of the utility model;

[0018] Fig. 3 It is the A area enlarged structure schematic diagram of the utility model;

[0019] Fig. 4 It is the cleaning assembly structure schematic diagram of the utility model.

[0020] In the drawing: 100, main body structure;101, coal feeder body;102, feed inlet;103, cylinder;200, cleaning assembly;201, feeding spare;202, rotating shaft;203, synchronous belt;204, first shift block;205, push plate;206, knock stick;207, sliding block;208, slide rod;209, first spring;210, scraping piece;211, reset piece;2011, fixed plate;2012, motor;2013, feeding auger;2101, second shift block;2102, triangular block;2103, lifting ring;2104, scraping part;2104a, scraper;2104b, connecting rod;2111, first reset plate;2112, second spring;2113, second reset plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of 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 work belong to the scope of protection of the utility model.

[0022] Please refer to Figs. 1-4 The embodiments provided by the utility model include:

[0023] The embodiment of the application discloses a mechanism for preventing coal feeder from being blocked, which comprises a main body structure 100, a coal feeder body 101, a feeding port 102 and a cylinder 103, the feeding port 102 is arranged at the top of the coal feeder body 101, the cylinder 103 penetrates through the feeding port 102 and extends to the inner cavity of the coal feeder body 101, the periphery of the cylinder 103 is fixedly connected with the top of the coal feeder body 101 through a mounting bracket, and a cleaning assembly 200 is arranged in the inner cavity of the cylinder 103 and comprises a feeding piece 201, a rotating shaft 202, a synchronous belt 203, a first shifting block 204, a push plate 205, a knocking rod 206, a sliding block 207, a sliding rod 208, a first spring 209, a scraping piece 210 and a reset piece 211, the feeding piece 201 is fixedly connected with the top of the cylinder 103, the rotating shaft 202 is arranged at one side of the cylinder 103 and is in transmission connection with the feeding piece 201 through the synchronous belt 203, the first shifting block 204 is fixedly connected with the surface of the rotating shaft 202, the push plate 205 is in contact with one side of the first shifting block 204, the knocking rod 206 is fixedly connected with the top of the push plate 205, the sliding block 207 is fixedly connected with the two sides of the knocking rod 206, the sliding rod 208 is in sliding connection with one side of the sliding block 207 and is fixedly connected with one side of the cylinder 103, the first spring 209 is sleeved on the surface of the sliding rod 208, one side of the first spring 209 is fixedly connected with the sliding block 207, and the other side of the first spring 209 is fixedly connected with the cylinder 103, the scraping piece 210 is fixedly connected with the bottom of the rotating shaft 202, and the reset piece 211 is located at one side of the scraping piece 210.

[0024] As a technical optimization scheme of the utility model, the feeding piece 201 can ensure the continuous input of coal, avoid the blockage caused by the accumulation of coal powder, and when the feeding piece 201 works, the rotating shaft 202 and the first shifting block 204 can be driven to rotate together through the synchronous belt 203, so that the push plate 205, the knocking rod 206 and the sliding block 207 are pushed to one side, and the first spring 209 is stretched, when the first shifting block 204 continuously rotates and separates from the push plate 205, the first spring 209 resets and drives the push plate 205, the knocking rod 206 and the sliding block 207 to reset to one side, so that the knocking rod 206 knocks the surface of the cylinder 103, prevents the attachment of coal, and with the continuous rotation of the first shifting block 204, the knocking rod 206 reciprocates, and the reciprocating action of the knocking rod 206 can effectively reduce the problem that the coal powder adheres to the inner wall of the cylinder 103, wherein the sliding rod 208 can support and limit the sliding block 207, and further limit the knocking rod 206, so that it can always keep linear motion when moving.

[0025] The feeding piece 201 comprises a fixed plate 2011 fixedly connected to the top of the barrel 103, the top of the fixed plate 2011 is fixedly connected with a motor 2012, the output shaft of the motor 2012 is fixedly connected with a feeding auger 2013, the feeding auger 2013 penetrates through the barrel 103 and extends into the inner cavity of the barrel 103, and the surface of the feeding auger 2013 is in transmission connection with the rotating shaft 202 through a synchronous belt 203.

[0026] As a technical optimization scheme of the utility model, the feeding auger 2013 can be driven to rotate by the motor 2012, so that the feeding auger 2013 can uniformly feed the coal in the barrel 103 and maintain the flowability of the coal.

[0027] The scraping piece 210 comprises a second shifting block 2101 fixedly connected to the bottom of the rotating shaft 202, one side of the second shifting block 2101 is provided with a triangular block 2102 in contact with one side of the triangular block 2102, one side of the triangular block 2102 is fixedly connected with a lifting ring 2103, the top of the lifting ring 2103 penetrates through the barrel 103 and extends into the inner cavity of the barrel 103, and the top of the lifting ring 2103 is provided with a scraping part 2104.

[0028] As a technical optimization scheme of the utility model, one side of the triangular block 2102 is a slope, when the second shifting block 2101 is driven to rotate by the rotating shaft 202 and contacts the slope of the triangular block 2102, the triangular block 2102 is pushed to drive the lifting ring 2103 and the scraping part 2104 to rise, so that the coal adhered to the inner wall of the barrel 103 is scraped.

[0029] The scraping part 2104 comprises a scraper 2104a arranged on the top of the lifting ring 2103, and the outer circle of the scraper 2104a is in contact with the inner wall of the barrel 103.

[0030] As a technical optimization scheme of the utility model, the cooperation of the plurality of scrapers 2104a can more effectively cover different areas of the barrel 103.

[0031] The number of the scrapers 2104a is multiple, and the scrapers 2104a are equidistantly distributed.

[0032] As a technical optimization scheme of the utility model, the equidistant arrangement can make the plurality of scrapers 2104a have the same action range when performing the task, so that the cleaning or working effect of each part remains consistent.

[0033] One side of the scraper 2104a is provided with a connecting rod 2104b, the scraper 2104a is fixedly connected with the lifting ring 2103 through the connecting rod 2104b, the connecting rod 2104b has multiple groups and is uniformly distributed on the top of the lifting ring 2103.

[0034] As a technical optimization scheme of the utility model, multiple connecting rods 2104b are evenly distributed on the top of the lifting ring 2103, which can help evenly distribute the load of the scraper 2104a, which means that each connecting rod 2104b bears the pressure of the scraper 2104a together, avoiding a single connecting rod 2104b bearing excessive load, thereby improving the stability of the system and preventing damage or deformation of a certain connecting rod 2104b due to local overload.

[0035] The reset member 211 includes a first reset plate 2111 fixedly connected to both sides of the lifting ring 2103, a second spring 2112 fixedly connected to the top of the first reset plate 2111, and a second reset plate 2113 fixedly connected to the top of the second spring 2112, the second reset plate 2113 being fixedly connected to one side of the cylinder 103.

[0036] As a technical optimization scheme of the utility model, when the second dial block 2101 contacts the triangular block 2102 and pushes the triangular block 2102 to drive the lifting ring 2103 and the scraping part 2104 to rise, the first reset plate 2111 will also rise and compress the second spring 2112, and vice versa when the second dial block 2101 moves away from the triangular block 2102, the second spring 2112 will release the elastic potential energy, thereby driving the first reset plate 2111 to reset, and thereby causing the triangular block 2102, the lifting ring 2103, and the scraping part 2104 to reset.

[0037] Working principle: when feeding, the coal first passes through the cylinder 103, then enters the inner cavity of the coal feeder body 101 through the feed inlet 102, first rotates the feeding auger 2013 driven by the motor 2012, thereby uniformly conveying the coal to avoid clogging, and simultaneously rotates the shaft 202 and the first dial block 204 through the synchronous belt 203, thereby pushing the push plate 205, the knocking rod 206, and the sliding block 207 using the first dial block 204, stretching the first spring 209, when the first dial block 204 continuously rotates away from the push plate 205, the first spring 209 drives the push plate 205, the knocking rod 206, and the sliding block 207 to reset, and knocks the cylinder 103 through the knocking rod 206, and subsequently continuously knocks the cylinder 103 through the reciprocating motion of the knocking rod 206 to prevent coal adhesion;

[0038] And the rotating shaft 202 will drive the second block 2101 to rotate, and push the triangular block 2102, the lifting ring 2103 and the scraper 2104a to rise, thereby scraping the coal in the inner wall of the cylinder 103 through the scraper 2104a, and in the process of lifting the lifting ring 2103, the second spring 2112 will be compressed through the first reset plate 2111, and when the second block 2101 rotates away from the triangular block 2102, the scraper 2104a can be reset through the reset of the second spring 2112, so that the reciprocating movement of the scraper 2104a can continuously scrape the inner wall of the cylinder 103.

[0039] In the utility model, unless another definite provision and limitation, the terms "mount", "set", "connect", "fix", "screw" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements of two elements inside, unless another definite limitation, for the ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0040] In conclusion, only for the preferred embodiment of the utility model, and not use to limit the scope of the utility model implementation, the shape, configuration, feature and spirit of the utility model claimed range described for the equal change and modification, all should include in the claim range of the utility model.

Claims

1. A mechanism for preventing coal feeder from being blocked, comprising a main body structure (100), including a coal feeder body (101), a feeding port (102) and a barrel (103), the feeding port (102) is opened at the top of the coal feeder body (101), the barrel (103) penetrates the feeding port (102) and extends to the inner cavity of the coal feeder body (101), the periphery of the barrel (103) is fixedly connected with the top of the coal feeder body (101) through a mounting frame, characterized in that: And, the cleaning assembly (200) is arranged in the inner cavity of the barrel (103), comprising a feeding piece (201), a rotating shaft (202), a synchronous belt (203), a first shifting block (204), a push plate (205), a knocking rod (206), a sliding block (207), a sliding rod (208), a first spring (209), a scraping piece (210) and a reset piece (211), the feeding piece (201) is fixedly connected to the top of the barrel (103), the rotating shaft (202) is arranged on one side of the barrel (103) and is drivingly connected with the feeding piece (201) through the synchronous belt (203), the first shifting block (204) is fixedly connected to the surface of the rotating shaft (202), the push plate (205) is in contact with one side of the first shifting block (204), the knocking rod (206) is fixedly connected to the top of the push plate (205), the sliding block (207) is fixedly connected to the two sides of the knocking rod (206), the sliding rod (208) is slidingly connected with one side of the sliding block (207) and is fixedly connected to one side of the barrel (103), the first spring (209) is sleeved on the surface of the sliding rod (208), one side of the first spring (209) is fixedly connected with the sliding block (207), the other side of the first spring (209) is fixedly connected with the barrel (103), the scraping piece (210) is fixedly connected to the bottom of the rotating shaft (202), and the reset piece (211) is located on one side of the scraping piece (210). ​ 2. A mechanism for preventing the blockage of a coal feeder according to claim 1, characterized in that: The feeding piece (201) comprises a fixed plate (2011) fixedly connected to the top of the barrel (103), a motor (2012) fixedly connected to the top of the fixed plate (2011), a feeding auger (2013) fixedly connected to the output shaft of the motor (2012), the feeding auger (2013) penetrating through the barrel (103) and extending into the inner cavity of the barrel (103), and the feeding auger (2013) being drivingly connected with the rotating shaft (202) through the synchronous belt (203).

3. A mechanism for preventing the blockage of a coal feeder as claimed in claim 2, wherein: The scraping piece (210) comprises a second shifting block (2101) fixedly connected to the bottom of the rotating shaft (202), a triangular block (2102) arranged on one side of the second shifting block (2101) and in contact with one side of the triangular block (2102), a lifting ring (2103) fixedly connected to one side of the triangular block (2102), the lifting ring (2103) penetrating through the barrel (103) and extending into the inner cavity of the barrel (103), and a scraping portion (2104) arranged on the top of the lifting ring (2103).

4. A mechanism for preventing the blockage of a coal feeder as claimed in claim 3, wherein: The scraping portion (2104) comprises a scraper (2104a) arranged on the top of the lifting ring (2103), and the outer ring of the scraper (2104a) is in contact with the inner wall of the barrel (103).

5. A mechanism for preventing the blockage of a coal feeder as claimed in claim 4, wherein: The number of the scrapers (2104a) is multiple, and the scrapers (2104a) are equidistantly distributed.

6. A mechanism for preventing the blockage of a coal feeder as claimed in claim 5, wherein: One side of the scraper (2104a) is provided with connecting rods (2104b), the scraper (2104a) is fixedly connected with the lifting ring (2103) through the connecting rods (2104b), the connecting rods (2104b) are in multiple groups and are distributed on the top of the lifting ring (2103).

7. The mechanism for preventing the coal feeder from being blocked according to claim 1, characterized in that: The reset member (211) comprises first reset plates (2111) fixedly connected to the two sides of the lifting ring (2103), the top of each first reset plate (2111) is fixedly connected with a second spring (2112), the top of each second spring (2112) is fixedly connected with a second reset plate (2113), and each second reset plate (2113) is fixedly connected with one side of the barrel (103).

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