Crushing and conveying device for pebble coal

Abstract

The invention provides a pebble coal crushing and conveying device, and relates to the technical field of coal crushing and conveying equipment.The pebble coal crushing and conveying device comprises a bottom plate, a mounting frame, a hopper mechanism, a feeding mechanism, a crushing mechanism, a conveying mechanism, a sliding spraying dust removal mechanism and a control cabinet, the mounting frame is fixedly arranged on the right side of the top of the bottom plate, and the hopper mechanism is fixedly mounted on the top of the mounting frame; a feeding mechanism is fixedly arranged in the hopper mechanism, a conveying mechanism in the left-right direction is fixedly arranged at the output end of the feeding mechanism, a sliding spraying dust removal mechanism is fixedly arranged above the conveying mechanism, and the output end of the conveying mechanism is fixedly connected with a crushing mechanism. The feeding mechanism, the crushing mechanism, the conveying mechanism and the sliding spraying dust removal mechanism are electrically connected with the control cabinet, the structure is compact, the occupied area is small, and installation and maintenance are convenient. And continuous and stable material conveying and finer crushing treatment can be realized. And the sliding spray dust removal mechanism effectively reduces dust pollution and improves the working environment.

Description

Technical Field

[0001] The present invention relates to the technical field of coal crushing and conveying equipment, and in particular to a crushing and conveying device for pebble coal. Background Art

[0002] Pebble coal is produced when the coal mill in the pulverizing system of a thermal power plant is working. It has the characteristics of high specific gravity, high temperature, large particles and high hardness, which makes the transportation of pebble coal more difficult than general ash. The small space around the coal mill and the high requirements for safe and civilized production all bring challenges to the transportation of pebble coal.

[0003] Traditional methods of conveying pebble coal include manual conveying, hydraulic conveying, negative pressure conveying, etc., but there are some problems. For example, manual conveying is labor-intensive, hydraulic conveying consumes a lot of water and the conveying pipe valve wears quickly, and negative pressure conveying may have problems such as unstable air pressure. In addition, the traditional pebble coal crushing device has a large crushing thickness and particle size, which is not easy for the pebble coal to burn fully. In addition, traditional transportation produces a lot of dust and powder, which affects the respiratory health of the operator. Summary of the invention

[0004] The present invention provides a crushing and conveying device for stone coal, which is used to solve the technical problems raised by the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides a crushing and conveying device for stone coal, comprising: a base plate, a mounting frame, a hopper mechanism, a feeding mechanism, a crushing mechanism, a conveying mechanism, a sliding spray dust removal mechanism and a control cabinet, wherein a mounting frame is fixedly provided on the top right side of the base plate, a hopper mechanism is fixedly installed on the top of the mounting frame, a feeding mechanism is fixedly provided inside the hopper mechanism, a conveying mechanism along the left and right directions is fixedly provided at the output end of the feeding mechanism, a sliding spray dust removal mechanism is fixedly provided above the conveying mechanism, the output end of the conveying mechanism is fixedly connected to the crushing mechanism, and the feeding mechanism, crushing mechanism, conveying mechanism and sliding spray dust removal mechanism are electrically connected to the control cabinet respectively.

[0006] Preferably, the hopper mechanism comprises: a conical hopper, the conical hopper is fixedly mounted on the top of the mounting frame, a level meter is fixedly mounted outside the conical hopper, two vibration motors are fixedly mounted on the left and right outer walls of the conical hopper, and the bottom of the conical hopper is fixedly connected to a discharge pipe.

[0007] Preferably, the feeding mechanism includes: a feeding wheel rotatably connected along the front-to-back direction below the bottom outlet of the conical hopper in the discharge pipe, the rear end of the axis of the feeding wheel is fixedly connected to a feeding motor, a bracket is fixedly installed on the outside of the right side wall of the discharge pipe, a hydraulic telescopic rod is fixedly installed on the bracket along the left and right directions, the left sliding end of the hydraulic telescopic rod is fixedly connected to a horizontal blocking plate, the blocking plate slides left and right and passes through the discharge pipe, a partition plate is fixedly connected in the horizontal direction above the blocking plate in the discharge pipe, and a discharge hole is provided in the center of the partition plate.

[0008] Preferably, the conveying mechanism includes: a frame, a frame fixedly installed along the left and right directions on the bottom plate at the lower left of the discharge pipe, the frame is in a state of being higher on the left and lower on the right, the left and right ends of the frame are respectively rotatably connected to feed rollers along the front and back directions, the left and right feed rollers are connected by anti-slip belts, and the anti-slip belts are provided with a number of anti-slip plates, a reducer is fixedly installed at the front end of the axis of the left feed roller, the reducer is fixedly connected to the front side of the frame, and the input end of the reducer is fixedly connected to the output shaft end of the conveying motor.

[0009] Preferably, the crushing mechanism includes: a feed hopper, a feed hopper is fixedly provided below the left output end of the anti-slip belt, the feed hopper is hingedly connected to a dust removal cover, the feed hopper is fixedly connected to a cylindrical crushing box below, the bottom of the crushing box is fixedly connected to a support frame, the support frame is fixedly connected to the bottom plate, a number of raised blocks are fixedly distributed on the inner wall of the crushing box, a rotating shaft rotatably connected to the front and rear directions in the crushing box, a number of crushing hammers are hingedly connected to the rotating shaft, the bottom of the crushing box is fixedly connected to a discharge hopper, the front end of the rotating shaft located outside the crushing box is fixedly connected to a pulley, and the pulley is connected to a driving mechanism.

[0010] Preferably, the electromagnetic iron removal mechanism comprises: a bracket three fixedly installed on the left outer wall of the discharge pipe, the bracket three fixedly installed an electric telescopic rod one downward, the bottom movable end of the electric telescopic rod one was fixedly connected to a box body one, an iron suction port was opened on the left side of the bottom wall of the box body one, a magnet rotating roller was rotatably provided above the iron suction port in the box body one along the front-to-back direction, the magnet rotating roller pressed against an inclined scraper on the right side, the inclined scraper was fixedly connected to the inner bottom wall of the box body one, the front end of the magnet rotating roller was fixedly connected to the output shaft end of a motor four, and the motor four was fixedly connected to the front end of the box body one.

[0011] Preferably, the sliding spray dust removal mechanism includes: a support frame 2, a group of support frames 2 symmetrically installed on the top of the frame, the top of the support frame 2 is fixedly connected to a linear slide rail along the left and right directions, the top of the linear slide rail is fixedly connected to a rack 1, the linear slide rail is connected to a sliding seat for left and right sliding movement, the sliding seat is connected to a spur gear 1 for rotation inside, the spur gear 1 is meshed with the rack 1, the front end of the spur gear 1 is fixedly connected to the output shaft end of the travel motor, each sliding seat top part is fixedly installed with a vertical electric lifting column 1, the tops of the front and rear two electric lifting columns 1 are fixedly connected to a spray pipe, and a plurality of atomizing nozzles are fixedly provided on the spray pipe.

[0012] Preferably, the water supply mechanism includes: a water tank, the water tank is fixedly installed on the base plate below the frame, the bottom outlet of the water tank is fixedly connected to a water supply pump through a water pipe, and the water outlet end of the water supply pump is fixedly connected to the water inlet end of the sprinkler pipe through a water hose.

[0013] Preferably, a fine grinding and screening classification mechanism is also provided at the bottom of the discharging hopper, and the fine grinding and screening classification mechanism comprises: a fine grinding hopper, the bottom of the discharging hopper is fixedly connected to the fine grinding hopper, a pair of grinding rollers along the left and right directions are provided at the top of the fine grinding hopper for rotating symmetrically front and back, and a number of grinding teeth are fixedly distributed on the surface of each grinding roller, the left end of the front grinding roller is fixedly connected to spur gear two, the left end of the rear grinding roller is fixedly connected to spur gear three, spur gear three is meshingly connected to spur gear two, the left end of the axis of spur gear two is fixedly connected to bevel gear one, the right end of the axis of the front grinding roller is fixedly connected to pulley three, the bottom of the fine grinding hopper is rotatably connected to a spiral rod along the left and right directions, the right end of the spiral rod is fixedly connected to pulley four, and pulley three is connected to pulley four through belt two.

[0014] Preferably, it includes: a discharge port 1 is provided at the left bottom of the fine grinding bucket, an inclined filter screen which is higher on the left and lower on the right is slidably connected inside the fine grinding bucket along the left and right directions, a roller is provided on the right inner wall of the fine grinding bucket below the inclined filter screen, the roller is pressed against the right bottom end of the inclined filter screen, and a discharge port 2 is provided in the fine grinding bucket on the right side of the inclined filter screen, the right end of the inclined filter screen is hingedly connected to a cross bar 1, the cross bar 1 slides left and right and passes through the left side wall of the fine grinding bucket, a spring 1 is provided on the outer sleeve of the cross bar 1, the left end of the cross bar 1 is fixedly connected to a baffle 1, and the baffle 1 is fixedly connected to a driving mechanism 1.

[0015] Compared with the prior art, the invention has the following beneficial effects: the crushing and conveying device for stone coal provided by the invention receives materials through the hopper mechanism, and the feeding mechanism quantitatively and evenly feeds the materials into the conveying mechanism. The conveying mechanism conveys the materials to the right to the crushing mechanism for crushing. The sliding spray dust removal mechanism sprays and dusts the materials during the conveying process and the crushing process to reduce dust pollution. All mechanisms are electrically connected to the control cabinet to realize automatic control.

[0016] Beneficial effects:

[0017] Compact structure, small footprint, easy to install and maintain.

[0018] The high degree of automation enables continuous and stable material transportation and crushing.

[0019] The sliding spray dust removal mechanism effectively reduces dust pollution and improves the working environment.

[0020] The centralized control of the control cabinet improves the convenience and safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a front view schematic diagram of a crushing and conveying device for stone coal of the present invention;

[0023] Figure 2 It is a top view schematic diagram of the conveying mechanism of the present invention;

[0024] Figure 3 It is a front cross-sectional schematic diagram of the discharge pipe of the present invention;

[0025] Figure 4 It is a front cross-sectional schematic diagram of the electromagnetic iron removal mechanism of the present invention;

[0026] Figure 5 It is a front cross-sectional schematic diagram of the crushing mechanism and the fine grinding and screening classification mechanism of the present invention;

[0027] Figure 6 It is a left side schematic diagram of the crushing mechanism and the fine grinding and screening classification mechanism of the present invention;

[0028] Figure 7 It is a front sectional schematic diagram of a driving mechanism 1 and a fine grinding bucket of the present invention.

[0029] Reference numerals:

[0030] 1. Bottom plate; 2. Mounting frame; 3. Hopper mechanism; 301. Conical hopper; 302. Level meter; 303. Vibrating motor; 304. Discharging pipe; 4. Feeding mechanism; 401. Digging wheel; 402. Digging motor; 403. Bracket 1; 404. Hydraulic telescopic rod; 405. Blocking plate; 406. Partition 1; 407. Discharging hole; 5. Crushing mechanism; 501. Feed hopper; 502. Dust cover; 503. Crushing box; 504. Raised block; 505. Rotating shaft 1; 506. Breaking hammer; 507. Discharging hopper; 508 , pulley 1; 509, support frame 1; 6, conveying mechanism; 601, frame; 602, feed roller; 603, anti-skid belt; 604, anti-skid plate; 605, reducer; 606, conveying motor; 7, sliding spray dust removal mechanism; 701, support frame 2; 702, linear slide rail; 703, rack 1; 704, sliding seat; 705, spur gear 1; 706, walking motor; 707, electric lifting column 1; 708, spray pipe; 709, atomizing nozzle; 8, control cabinet; 9, electromagnetic iron removal mechanism; 901, bracket 3; 90 2. Electric telescopic rod 1; 903. Box 1; 904. Magnetizing port; 905. Magnet rotating roller; 906. Motor 4; 907. Inclined scraper; 10. Water supply mechanism; 1001. Water storage tank; 1002. Water supply pump; 1003. Water pipe 1; 1004. Water hose; 11. Fine grinding and screening classification mechanism; 1101. Fine grinding bucket; 1102. Grinding roller; 1103. Grinding teeth; 1104. Spur gear 2; 1105. Spur gear 3; 1106. Bevel gear 1; 1107. Pulley 3; 1108. Screw rod; 1109, pulley four; 1110, discharge port one; 1111, inclined filter; 1112, roller; 1113, discharge port two; 1114, cross bar one; 1115, spring one; 1116, baffle one; 12, driving mechanism one; 1201, driving motor; 1202, rotating shaft; 1203, pulley two; 1204, belt one; 1205, bevel gear two; 1206, bearing bracket; 1207, vertical axis one; 1208, bevel gear three; 1209, bevel gear four; 1210, cam; 1211, belt two. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0033] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] The present invention provides the following embodiments

[0035] Example 1

[0036] The embodiment of the present invention provides a crushing and conveying device for stone coal, such as Figure 1-Figure 2 As shown, a base plate 1, a mounting frame 2, a hopper mechanism 3, a feeding mechanism 4, a crushing mechanism 5, a conveying mechanism 6, a sliding spray dust removal mechanism 7 and a control cabinet 8, the base plate 1 is fixedly provided with a mounting frame 2 on the top right side, the mounting frame 2 is fixedly provided with a hopper mechanism 3 on the top, the hopper mechanism 3 is fixedly provided with a feeding mechanism 4 inside the hopper mechanism 3, the output end of the feeding mechanism 4 is fixedly provided with a conveying mechanism 6 along the left and right directions, the upper part of the conveying mechanism 6 is fixedly provided with a sliding spray dust removal mechanism 7, the output end of the conveying mechanism 6 is fixedly connected to the crushing mechanism 5, and the feeding mechanism 4, the crushing mechanism 5, the conveying mechanism 6 and the sliding spray dust removal mechanism 7 are electrically connected to the control cabinet 8 respectively.

[0037] The working principle and beneficial effects of the above technical solution are:

[0038] Working principle:

[0039] The crushing and conveying device for stone coal provided by the present invention receives materials through the hopper mechanism 3, and the feeding mechanism 4 quantitatively and evenly feeds the materials into the conveying mechanism 6. The conveying mechanism 6 conveys the materials to the right to the crushing mechanism 5 for crushing. The sliding spray dust removal mechanism 7 sprays and dusts the materials during the conveying process and the crushing process to reduce dust pollution. All mechanisms are electrically connected to the control cabinet 8 to realize automatic control.

[0040] Beneficial effects:

[0041] Compact structure, small footprint, easy to install and maintain.

[0042] The high degree of automation enables continuous and stable material transportation and crushing.

[0043] The sliding spray dust removal mechanism 7 effectively reduces dust pollution and improves the working environment.

[0044] The centralized control of the control cabinet 8 improves the convenience and safety of operation.

[0045] Example 2

[0046] On the basis of Example 1, Figure 1-Figure 4 As shown, the hopper mechanism 3 includes: a conical hopper 301, the conical hopper 301 is fixedly installed on the top of the mounting frame 2, a level meter 302 is fixedly installed outside the conical hopper 301, two vibration motors 303 are fixedly installed on the left and right outer walls of the conical hopper 301, and the bottom of the conical hopper 301 is fixedly connected to a discharge pipe 304.

[0047] The feeding mechanism 4 includes: a feeding wheel 401 rotatably connected along the front-to-back direction and located below the bottom outlet of the conical hopper 301 in the discharge pipe 304, the rear end of the axis of the feeding wheel 401 is fixedly connected to a feeding motor 402, a bracket 403 is fixedly installed on the right side wall of the discharge pipe 304, a hydraulic telescopic rod 404 is fixedly installed on the bracket 403 along the left-right direction, the left sliding end of the hydraulic telescopic rod 404 is fixedly connected to a horizontal blocking plate 405, the blocking plate 405 slides left and right and passes through the discharge pipe 304, a partition 406 is fixedly connected to the discharge pipe 304 above the blocking plate 405 in the horizontal direction, and a discharge hole 407 is provided in the center of the partition 406.

[0048] The conveying mechanism 6 includes: a frame 601, a frame 601 fixedly installed along the left and right directions on the bottom left of the bottom plate 1 at the discharge pipe 304, the frame 601 is in a state of being higher on the left and lower on the right, the left and right ends of the frame 601 are respectively rotatably connected to the feed rollers 602 along the front and rear directions, the feed rollers 602 on the left and right sides are connected by anti-skid belts 603, and a plurality of anti-skid plates 604 are provided on the anti-skid belts 603, a reducer 605 is fixedly installed at the front end of the axis of the feed roller 602 on the left side, the reducer 605 is fixedly connected to the front side of the frame 601, and the input end of the reducer 605 is fixedly connected to the output shaft end of the conveying motor 606.

[0049] The working principle and beneficial effects of the above technical solution are:

[0050] Working principle:

[0051] On the basis of Example 1, the hopper mechanism 3 receives materials through the conical hopper 301 and prevents material blockage through the vibrating motor 303. The material level meter 302 monitors the material height to ensure stable material supply. The feeding mechanism 4 realizes quantitative feeding through the blocking plate 405 controlled by the material wheel 401 and the hydraulic telescopic rod 404. The conveying mechanism 6 ensures stable material transportation through the anti-skid belt 603 and the anti-skid plate 604.

[0052] Beneficial effects:

[0053] The design of the conical hopper 301 and the vibrating motor 303 effectively prevents material blockage and improves the stability and accuracy of feeding.

[0054] The monitoring of the material level meter 302 ensures the stability of material supply and avoids equipment failure caused by insufficient or excessive materials.

[0055] The sealing plate 405 controlled by the hydraulic telescopic rod 404 realizes quantitative feeding and improves the crushing efficiency.

[0056] The design of the anti-skid belt 603 and the anti-skid plate 604 ensures the stability and continuity of the materials during the conveying process.

[0057] Example 3

[0058] On the basis of Example 2, Figure 1-Figure 4 As shown, the crushing mechanism 5 includes: a feed hopper 501, a feed hopper 501 is fixedly provided below the left output end of the anti-slip belt 603, a dust cover 502 is hinged on the feed hopper 501, a cylindrical crushing box 503 is fixedly connected below the feed hopper 501, the bottom of the crushing box 503 is fixedly connected to a support frame 509, the support frame 509 is fixedly connected to the bottom plate 1, a plurality of protrusions 504 are fixedly distributed on the inner wall of the crushing box 503, a rotating shaft 505 rotatably connected to the front and rear directions in the crushing box 503, a plurality of crushing hammers 506 are hinged on the rotating shaft 505, the bottom of the crushing box 503 is fixedly connected to a discharge hopper 507, the front end of the rotating shaft 505 located outside the crushing box 503 is fixedly connected to a pulley 508, and the pulley 508 is connected to a driving mechanism 12.

[0059] The electromagnetic iron removal mechanism 9 includes: a bracket three 901 fixedly installed on the left outer wall of the discharge pipe 304, the bracket three 901 fixedly installed with an electric telescopic rod 902 pointing downward, the bottom movable end of the electric telescopic rod 902 is fixedly connected to a box body 903, an iron suction port 904 is opened on the left side of the bottom wall of the box body 903, a magnet rotating roller 905 is rotatably arranged above the iron suction port 904 in the box body 903 along the front-to-back direction, the magnet rotating roller 905 is pressed against an inclined scraper 907 on the right side, the inclined scraper 907 is fixedly connected to the inner bottom wall of the box body 903, the front end of the magnet rotating roller 905 is fixedly connected to the output shaft end of a motor four 906, and the motor four 906 is fixedly connected to the front end of the box body 903.

[0060] The working principle and beneficial effects of the above technical solution are:

[0061] Working principle:

[0062] On the basis of Example 2, the crushing mechanism 5 crushes the material through the crushing hammer 506 and the protruding block 504. The electromagnetic iron removal mechanism 9 removes iron impurities in the material through the magnet rotating roller 905 and the inclined scraper 907.

[0063] Beneficial effects:

[0064] The design of the breaker 506 and the raised block 504 achieves uniform crushing of the material, thereby improving the crushing efficiency and quality.

[0065] The electromagnetic iron removal mechanism 9 effectively removes iron impurities in the material, avoiding equipment damage and material contamination.

[0066] The combined use of the crushing mechanism 5 and the electromagnetic iron removal mechanism 9 improves the purity and utilization rate of the material.

[0067] Example 4

[0068] On the basis of Example 2, Figure 1 , Figure 5-Figure 6 As shown, the sliding spray dust removal mechanism 7 includes: a support frame 701, a group of support frames 701 symmetrically installed on the top of the frame 601, the top of the support frame 701 is fixedly connected to a linear slide rail 702 along the left and right directions, the top of the linear slide rail 702 is fixedly connected to a rack 703, the linear slide rail 702 is connected to a sliding seat 704 for sliding left and right sliding, the sliding seat 704 is rotatably connected to a spur gear 705, the spur gear 705 is meshed and connected to the rack 703, the front end of the spur gear 705 is fixedly connected to the output shaft end of the travel motor 706, each sliding seat 704 top portion is fixedly installed with a vertical electric lifting column 707, the tops of the front and rear two electric lifting columns 707 are fixedly connected to a spray pipe 708, and a plurality of atomizing nozzles 709 are fixedly provided on the spray pipe 708.

[0069] The water supply mechanism 10 includes: a water tank 1001, the water tank 1001 is fixedly installed on the base plate 1 below the frame 601, the bottom outlet of the water tank 1001 is fixedly connected to a water supply pump 1002 through a water pipe 1003, and the water outlet end of the water supply pump 1002 is fixedly connected to the water inlet end of the spray pipe 708 through a water hose 1004.

[0070] The working principle and beneficial effects of the above technical solution are:

[0071] Working principle:

[0072] On the basis of Example 2, the sliding spray dust removal mechanism 7 realizes the left and right movement and up and down lifting of the spray pipe 708 through the linear slide rail 702 and the electric lifting column, and sprays the material for dust removal through the atomizing nozzle 709. The water supply mechanism 10 provides water source for the spray pipe 708 through the water supply pump 1002 and the water delivery hose 1004.

[0073] Beneficial effects:

[0074] The design of the sliding spray dust removal mechanism 7 realizes comprehensive dust removal during material transportation and crushing, effectively reducing dust pollution.

[0075] The use of the atomizing nozzle 709 improves the spraying effect, reduces the water consumption, and saves resources.

[0076] The design of the water supply mechanism 10 ensures that the spray pipe 708 has sufficient water for spray dust removal, thereby improving the dust removal efficiency.

[0077] Example 5

[0078] On the basis of Example 1, Figure 5-Figure 7 As shown, the bottom of the discharge hopper 507 is also provided with a fine grinding and screening classification mechanism 11, which includes: a fine grinding hopper 1101, the bottom of the discharge hopper 507 is fixedly connected to the fine grinding hopper 1101, and the top of the fine grinding hopper 1101 is provided with a pair of grinding rollers 1102 along the left and right directions for symmetrical rotation front and back, and a plurality of grinding teeth 1103 are fixedly distributed on the surface of each grinding roller 1102, the left end of the front grinding roller 1102 is fixedly connected to the spur gear 2 1104, and the left end of the rear grinding roller 1102 is fixedly connected to the spur gear 1104. The spur gear three 1105 is fixedly connected, and the spur gear three 1105 is meshed with the spur gear two 1104. The left end of the axis of the spur gear two 1104 is fixedly connected to the bevel gear one 1106. The right end of the axis of the front grinding roller 1102 is fixedly connected to the pulley three 1107. The bottom of the fine grinding bucket 1101 is rotatably connected to the spiral rod 1108 along the left and right directions. The right end of the spiral rod 1108 is fixedly connected to the pulley four 1109. The pulley three 1107 is connected to the pulley four 1109 through the belt two 1211.

[0079] A discharge port 1110 is provided at the bottom left side of the fine grinding bucket 1101, and an inclined filter screen 1111 which is higher on the left and lower on the right is slidably connected inside the fine grinding bucket 1101 along the left-right direction. A roller 1112 is provided on the right inner wall of the fine grinding bucket 1101 below the inclined filter screen 1111, and the roller 1112 presses against the right bottom end of the inclined filter screen 1111. A discharge port 1113 is provided on the right side of the inclined filter screen 1111 in the fine grinding bucket 1101, and the right end of the inclined filter screen 1111 is hingedly connected to a cross bar 1114, and the cross bar 1114 slides left and right and penetrates the left side wall of the fine grinding bucket 1101. A spring 1115 is provided on the outer sleeve of the cross bar 1114, and the left end of the cross bar 1114 is fixedly connected to a baffle plate 1116, and the baffle plate 1116 is fixedly connected to the driving mechanism 12;

[0080] The driving mechanism 12 comprises: a driving motor 1201, a driving motor 1201 fixedly mounted on the left rear column of the support frame 1 509 along the front-to-back direction, a rotating shaft 1202 rotatably connected to the left front column of the support frame 1 509 along the front-to-back direction, a rear end of the rotating shaft 1202 fixedly connected to the output shaft end of the driving motor 1201, a front end of the rotating shaft 1202 fixedly connected to a pulley 2 1203, and the pulley 2 1203 is connected to the pulley 1 508 via a belt 1204, The center of shaft 1202 is fixedly connected to bevel gear two 1205, and the left front side column of the support frame one 509 is symmetrically fixedly connected to a pair of bearing brackets 1206. The bearing bracket 1206 is rotatably connected to vertical shaft one 1207. Vertical shaft one 1207 is fixedly connected to bevel gear three 1208, bevel gear four 1209 and cam 1210 from top to bottom in sequence. Bevel gear three 1208 is meshingly connected to bevel gear two 1205, and bevel gear four 1209 is meshingly connected to bevel gear one 1106.

[0081] The working principle and beneficial effects of the above technical solution are:

[0082] Working principle:

[0083] On the basis of Example 1, the fine grinding and screening classification mechanism 11 further grinds and screens the crushed material through the grinding roller 1102 and the screw rod 1108. The design of the inclined filter 1111 and the roller 1112 realizes the screening and classification of the material, and realizes automatic control through the driving mechanism 12.

[0084] Beneficial effects:

[0085] The design of the fine grinding and screening classification mechanism 11 realizes further processing and classification of the crushed materials, thereby improving the quality and utilization rate of the materials.

[0086] The use of the grinding roller 1102 and the spiral rod 1108 improves the grinding efficiency and screening accuracy of the material.

[0087] The design of the oblique filter 1111 and the roller 1112 realizes automatic screening and classification of materials and improves work efficiency.

[0088] The automatic control of the driving mechanism 12 improves the stability and reliability of the equipment and reduces the difficulty of operation.

[0089] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A crushing and conveying device for stone coal, characterized in that: include: A base plate (1), a mounting frame (2), a hopper mechanism (3), a feeding mechanism (4), a crushing mechanism (5), a conveying mechanism (6), a sliding spray dust removal mechanism (7) and a control cabinet (8); a mounting frame (2) is fixedly provided on the right side of the top of the base plate (1); a hopper mechanism (3) is fixedly installed on the top of the mounting frame (2); a feeding mechanism (4) is fixedly provided inside the hopper mechanism (3); a conveying mechanism (6) along the left-right direction is fixedly provided at the output end of the feeding mechanism (4); a sliding spray dust removal mechanism (7) is fixedly provided above the conveying mechanism (6); the output end of the conveying mechanism (6) is fixedly connected to the crushing mechanism (5); the feeding mechanism (4), the crushing mechanism (5), the conveying mechanism (6) and the sliding spray dust removal mechanism (7) are electrically connected to the control cabinet (8) respectively.

2. A crushing and conveying device for stone coal according to claim 1, characterized in that: The hopper mechanism (3) comprises: a conical hopper (301), the conical hopper (301) is fixedly mounted on the top of the mounting frame (2), a material level meter (302) is fixedly mounted outside the conical hopper (301), two vibration motors (303) are fixedly mounted on the left and right outer walls of the conical hopper (301), and the bottom of the conical hopper (301) is fixedly connected to a discharge pipe (304).

3. The crushing and conveying device for stone coal according to claim 2 is characterized in that: The feeding mechanism (4) comprises: a feeding wheel (401), a feeding wheel (401) rotatably connected in the front-to-back direction and located below the bottom outlet of the conical hopper (301) in the discharge pipe (304), a feeding wheel (401) fixedly connected to a feeding motor (402) at the rear end of the axis of the feeding wheel (401), a bracket (403) fixedly installed on the right side wall of the discharge pipe (304), a hydraulic telescopic rod (404) fixedly installed on the bracket (403) in the left-right direction, a left sliding end of the hydraulic telescopic rod (404) fixedly connected to a horizontal blocking plate (405), the blocking plate (405) slidingly passes through the discharge pipe (304) in the left-right direction, a partition (406) fixedly connected in the horizontal direction and located above the blocking plate (405) in the discharge pipe (304), and a discharge hole (407) is provided in the center of the partition (406).

4. The crushing and conveying device for stone coal according to claim 3 is characterized in that: The conveying mechanism (6) comprises: a frame (601), the frame (601) being fixedly installed along the left and right directions on the bottom plate (1) and located at the lower left of the discharge pipe (304), the frame (601) being in a state of being higher on the left and lower on the right, the left and right ends of the frame (601) being rotatably connected to feeding rollers (602) along the front and rear directions respectively, the feeding rollers (602) on the left and right sides being connected by anti-skid belts (603), the anti-skid belts (603) being provided with a plurality of anti-skid plates (604), a reducer (605) being fixedly installed at the front end of the axis of the feeding roller (602) on the left side, the reducer (605) being fixedly connected to the front side of the frame (601), and the input end of the reducer (605) being fixedly connected to the output shaft end of the conveying motor (606).

5. The crushing and conveying device for stone coal according to claim 4, characterized in that: The crushing mechanism (5) comprises: a feed hopper (501), a feed hopper (501) is fixedly provided below the left output end of the anti-slip belt (603), a dust cover (502) is hingedly connected to the feed hopper (501), a cylindrical crushing box (503) is fixedly connected below the feed hopper (501), a support frame (509) is fixedly connected to the bottom of the crushing box (503), and the support frame (509) is fixedly connected to the bottom plate (1). ) is fixedly provided with a plurality of raised blocks (504) on the inner wall; a rotating shaft (505) is rotatably connected in the front-rear direction in the crushing box (503); a plurality of crushing hammers (506) are hingedly connected to the rotating shaft (505); the bottom of the crushing box (503) is fixedly connected to a discharge hopper (507); the front end of the rotating shaft (505) outside the crushing box (503) is fixedly connected to a pulley (508); and the pulley (508) is connected to a driving mechanism (12).

6. The crushing and conveying device for stone coal according to claim 3, characterized in that: It also includes an electromagnetic iron removal mechanism (9), which includes: a bracket three (901) fixedly installed on the left outer wall of the discharge pipe (304), the bracket three (901) fixedly installed with a downward electric telescopic rod one (902), the bottom movable end of the electric telescopic rod one (902) fixedly connected to a box body one (903), an iron suction port (904) is opened on the left side of the bottom wall of the box body one (903), a magnet rotating roller (905) is rotatably provided above the iron suction port (904) in the box body one (903) along the front and rear directions, the magnet rotating roller (905) is pressed against an inclined scraper (907) on the right side, the inclined scraper (907) is fixedly connected to the inner bottom wall of the box body one (903), the front end of the magnet rotating roller (905) is fixedly connected to the output shaft end of a motor four (906), and the motor four (906) is fixedly connected to the front end of the box body one (903).

7. The crushing and conveying device for stone coal according to claim 4, characterized in that: The sliding spray dust removal mechanism (7) comprises: a second support frame (701), a group of second support frames (701) symmetrically mounted on the top of the frame (601), the top of the second support frame (701) being fixedly connected to a linear slide rail (702) extending in the left-right direction, the top of the linear slide rail (702) being fixedly connected to a rack (703), the linear slide rail (702) being slidably connected to a sliding seat (704) in the left-right direction, the sliding seat (704) being rotatably connected to a spur gear (705), the spur gear (705) being meshedly connected to the rack (703), the front end of the spur gear (705) being fixedly connected to the output shaft end of a travel motor (706), the top portion of each sliding seat (704) being fixedly mounted with a vertical electric lifting column (707), the tops of the front and rear two electric lifting columns (707) being fixedly connected to a spray pipe (708), and the spray pipe (708) being fixedly provided with a plurality of atomizing nozzles (709).

8. The crushing and conveying device for stone coal according to claim 7, characterized in that: It also includes a water supply mechanism (10), which includes: a water tank (1001), the water tank (1001) is fixedly installed on the bottom plate (1) below the frame (601), the bottom outlet of the water tank (1001) is fixedly connected to a water supply pump (1002) through a water pipe (1003), and the water outlet end of the water supply pump (1002) is fixedly connected to the water inlet end of the spray pipe (708) through a water hose (1004).

9. The crushing and conveying device for stone coal according to claim 8, characterized in that: The bottom of the discharge hopper (507) is also provided with a fine grinding and screening classification mechanism (11), which comprises: a fine grinding hopper (1101), the bottom of the discharge hopper (507) is fixedly connected to the fine grinding hopper (1101), the top of the fine grinding hopper (1101) is provided with a pair of grinding rollers (1102) along the left and right directions, and the surface of each grinding roller (1102) is fixedly distributed with a plurality of grinding teeth (1103), the left end of the front grinding roller (1102) is fixedly connected to the spur gear 2 (1104), and the left end of the rear grinding roller (1102) is fixedly connected to the spur gear 1 (1104). The spur gear three (1105) is meshed with the spur gear two (1104); the left end of the axis of the spur gear two (1104) is fixedly connected to the bevel gear one (1106); the right end of the axis of the front grinding roller (1102) is fixedly connected to the pulley three (1107); the bottom of the fine grinding bucket (1101) is rotatably connected to the spiral rod (1108) along the left and right directions; the right end of the spiral rod (1108) is fixedly connected to the pulley four (1109); the pulley three (1107) is connected to the pulley four (1109) through the belt two (1211).

10. The crushing and conveying device for stone coal according to claim 9, characterized in that: include: The left bottom of the fine grinding bucket (1101) is provided with a discharge port (1110), and an inclined filter screen (1111) which is higher on the left and lower on the right is slidably connected in the left-right direction in the fine grinding bucket (1101). A roller (1112) is provided on the right inner wall of the fine grinding bucket (1101) below the inclined filter screen (1111), and the roller (1112) is pressed against the right bottom end of the inclined filter screen (1111). The fine grinding bucket (1101) is located at the inclined filter screen ( A discharge port 2 (1113) is provided on the right side of the inclined filter screen (1111); the right end of the inclined filter screen (1111) is hingedly connected to a cross bar (1114); the cross bar (1114) slides left and right and penetrates the left side wall of the fine grinding bucket (1101); a spring (1115) is provided on the outer sleeve of the cross bar (1114); the left end of the cross bar (1114) is fixedly connected to a baffle plate (1116); and the baffle plate (1116) is fixedly connected to a driving mechanism (12).

Images