Coal conveyor for closed coal yard

Abstract

The utility model relates to the field of coal conveying equipment, in particular to a coal conveyor for a closed coal yard. According to the coal conveyor for the closed coal yard, the conveyor belt can be limited, guided and supported, deviation of the conveyor belt caused by uneven coal distribution is avoided, and conveying stability and safety are improved. A coal conveyor for a closed coal yard comprises a conveying rack, transmission rollers and the like, and the left portion and the right portion of the conveying rack are both rotationally connected with the transmission rollers. The supporting wheel is driven to rotate and support the conveying belt during transmission of the conveying belt, the guide wheel is driven to rotate on the sliding frame during transmission of the conveying belt, the guide wheel is used for guiding, and the guide wheel is tightly attached to the conveying belt under the action of the spring, so that the conveying belt can be limited, guided and supported; and deviation of the conveying belt caused by non-uniform coal distribution is avoided, and the conveying stability and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal conveying equipment field especially relates to a coal conveying machine for closed coal yard. BACKGROUND

[0002] The coal conveying machine is a kind of mechanical equipment specially used for conveying coal, is widely used in thermal power plant, coal mine, port wharf, steel plant, cement plant and other industrial sites needing to handle and transport a lot of coal, it can efficiently and continuously transmit coal from one place to another place, is the important component in coal supply chain.

[0003] The existing coal conveying machine for closed coal yard usually discharges coal into the conveying belt of coal conveying machine, and transports coal by coal conveying machine, but since coal is usually directly stacked on the conveying belt, uneven distribution of coal can cause the conveying belt to deviate, thereby affecting the stability and safety of conveying.

[0004] Therefore, it is necessary to design a coal conveying machine for closed coal yard, which can limit and guide and support the conveying belt, avoid the deviation of the conveying belt caused by uneven distribution of coal, and improve the stability and safety of conveying. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing coal conveying machine for closed coal yard, coal is usually directly stacked on the conveying belt, uneven distribution of coal can cause the conveying belt to deviate, thereby affecting the stability and safety of conveying, the utility model provides a coal conveying machine for closed coal yard, which can limit and guide and support the conveying belt, avoid the deviation of the conveying belt caused by uneven distribution of coal, and improve the stability and safety of conveying.

[0006] Technical scheme: a coal conveying machine for closed coal yard, comprising a conveying frame, a transmission roller, a motor, a conveying belt and a guide assembly, the left and right two parts of the conveying frame are rotatably connected with the transmission roller, the left rear part of the conveying frame is connected with the motor on the upper side, the output shaft of the motor is connected with the left part of the transmission roller, the conveying belt is wound between the transmission rollers, and the conveying frame is provided with the guide assembly capable of limiting, guiding and supporting the conveying belt.

[0007] As a further preferred, the guide assembly comprises support frame, fixed frame, support wheel, guide wheel, telescopic spring, sliding frame and fixed block, the upper part of the conveyor frame is connected with a plurality of support frames, the upper side of the middle part of the conveyor frame is connected with a plurality of fixed frames, a plurality of support wheels are rotatably connected on the fixed frame, a plurality of fixed blocks are connected on the front and rear parts of the conveyor frame, a sliding frame is slidably connected on the fixed block, a sliding frame is also connected on the front and rear parts of the support frame, a guide wheel is rotatably connected on the sliding frame, the guide wheel is in contact with the outer side of the conveying belt, the support frame is connected with the adjacent sliding frame through two telescopic springs, and the fixed block is also connected with the adjacent sliding frame through two telescopic springs.

[0008] As a further preferred, the guide assembly comprises support frame, fixed frame, support wheel, guide wheel, telescopic spring, sliding frame and fixed block, the upper part of the conveyor frame is connected with a plurality of support frames, the upper side of the middle part of the conveyor frame is connected with a plurality of fixed frames, a plurality of support wheels are rotatably connected on the fixed frame, a plurality of fixed blocks are connected on the front and rear parts of the conveyor frame, a sliding frame is slidably connected on the fixed block, a sliding frame is also connected on the front and rear parts of the support frame, a guide wheel is rotatably connected on the sliding frame, the guide wheel is in contact with the outer side of the conveying belt, the support frame is connected with the adjacent sliding frame through two telescopic springs, and the fixed block is also connected with the adjacent sliding frame through two telescopic springs.

[0009] As a further preferred, the guide assembly comprises support frame, fixed frame, support wheel, guide wheel, telescopic spring, sliding frame and fixed block, the upper part of the conveyor frame is connected with a plurality of support frames, the upper side of the middle part of the conveyor frame is connected with a plurality of fixed frames, a plurality of support wheels are rotatably connected on the fixed frame, a plurality of fixed blocks are connected on the front and rear parts of the conveyor frame, a sliding frame is slidably connected on the fixed block, a sliding frame is also connected on the front and rear parts of the support frame, a guide wheel is rotatably connected on the sliding frame, the guide wheel is in contact with the outer side of the conveying belt, the support frame is connected with the adjacent sliding frame through two telescopic springs, and the fixed block is also connected with the adjacent sliding frame through two telescopic springs.

[0010] As a further preferred, the guide assembly comprises support frame, fixed frame, support wheel, guide wheel, telescopic spring, sliding frame and fixed block, the upper part of the conveyor frame is connected with a plurality of support frames, the upper side of the middle part of the conveyor frame is connected with a plurality of fixed frames, a plurality of support wheels are rotatably connected on the fixed frame, a plurality of fixed blocks are connected on the front and rear parts of the conveyor frame, a sliding frame is slidably connected on the fixed block, a sliding frame is also connected on the front and rear parts of the support frame, a guide wheel is rotatably connected on the sliding frame, the guide wheel is in contact with the outer side of the conveying belt, the support frame is connected with the adjacent sliding frame through two telescopic springs, and the fixed block is also connected with the adjacent sliding frame through two telescopic springs.

[0011] As a further preferred, the guide assembly comprises support frame, fixed frame, support wheel, guide wheel, telescopic spring, sliding frame and fixed block, the upper part of the conveyor frame is connected with a plurality of support frames, the upper side of the middle part of the conveyor frame is connected with a plurality of fixed frames, a plurality of support wheels are rotatably connected on the fixed frame, a plurality of fixed blocks are connected on the front and rear parts of the conveyor frame, a sliding frame is slidably connected on the fixed block, a sliding frame is also connected on the front and rear parts of the support frame, a guide wheel is rotatably connected on the sliding frame, the guide wheel is in contact with the outer side of the conveying belt, the support frame is connected with the adjacent sliding frame through two telescopic springs, and the fixed block is also connected with the adjacent sliding frame through two telescopic springs.

[0012] The utility model has the advantages of: 1, the utility model passes through the support wheel rotation of conveying belt drive, to the support of conveying belt, the guide wheel rotation of conveying belt drive is driven on the sliding frame, the guide of guide wheel is carried out, under the action of spring, make the guide wheel close to the conveying belt, reach the effect of being able to to the location guide and support of conveying belt, avoid the deviation of conveying belt due to uneven distribution of coal, improve the stability and safety of conveying.

[0013] 2, the utility model carries out the spray dust suppression of dust suppression machine, again through the water source of cooling water gun external connection, make water through the cooling water gun and be sprayed to the coal conveying area, reach the effect of being able to to the spray dust suppression and water spray cooling treatment of coal conveying area, reduce the dust concentration in air and coal temperature, prevent the spontaneous combustion of coal, improve the effect of operation safety. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the guide assembly of the utility model.

[0016] Figure 3 It is the partial three-dimensional structure schematic diagram of the guide assembly of the utility model.

[0017] Figure 4The utility model discloses a dust removal gun machine and the three-dimensional structure schematic diagram of blanking frame.

[0018] Among them: 1 - conveyor frame, 2 - transmission drum, 21 - motor, 3 - conveying belt, 31 - support frame, 4 - fixed frame, 41 - support wheel, 5 - guide wheel, 6 - extension spring, 7 - sliding frame, 71 - fixed block, 8 - cooling water gun, 9 - dust removal gun machine, 10 - blanking frame. DETAILED DESCRIPTION

[0019] The utility model will be further explained in combination with specific embodiment, still need to explain, except for another explicit stipulation and limitation, the term such as: set up, install, connect, connect should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0020] A coal conveying machine for closing coal yard, as shown in Figures 1-4 The utility model discloses a dust removal gun machine and the three-dimensional structure schematic diagram of blanking frame. Left and right two parts of conveyor frame 1 are rotatably connected with transmission drum 2, the left rear part of conveyor frame 1 is connected with motor 21 on the upper side, the output shaft of motor 21 is connected with the transmission drum 2 of left part, and transmission drum 2 is connected with conveying belt 3. The upper part of conveyor frame 1 is connected with five support frames 31, and the upper side of the middle part of conveyor frame 1 is connected with fourteen fixed frames 4. Three support wheels 41 are rotatably connected on each fixed frame 4. Four fixed blocks 71 are connected on the front and rear parts of conveyor frame 1, and sliding frame 7 is slidably connected on each fixed block 71. Sliding frame 7 is rotatably connected with guide wheel 5 on the front and rear parts of support frame 31, and guide wheel 5 is in contact with the outer side of conveying belt 3. Two extension springs 6 are connected between support frame 31 and its adjacent sliding frame 7, and two extension springs 6 are also connected between fixed block 71 and its adjacent sliding frame 7. Cooling water gun 8 is connected on the middle upper part of support frame 31, dust removal gun machine 9 is installed on the right front part of conveyor frame 1, and blanking frame 10 is connected on the right upper side of conveyor frame 1. Blanking frame 10 is in the form of a funnel, which facilitates blanking.

[0021] In use of the device, first, the conveyor frame 1 is placed in the coal conveying area of the closed coal yard, then the coal is discharged into the conveyor belt 3 through the discharging frame 10, and then the motor 21 is started to drive the transmission drum 2 to rotate, so that the transmission drum 2 rotates and the conveyor belt 3 rotates around the transmission drum 2, and the coal is conveyed through the conveyor belt 3. During the conveying of the coal, the conveyor belt 3 contacts the supporting wheel 41 through the weight of the coal on the conveyor belt 3, and the supporting wheel 41 rotates on the fixed frame 4 when the conveyor belt 3 is driven to support the conveyor belt 3. The guide wheel 5 rotates on the sliding frame 7 when the conveyor belt 3 is driven, and the sliding frame 7 moves inward under the action of the spring, so that the guide wheel 5 is tightly attached to the conveyor belt 3, thereby limiting and guiding the conveyor belt 3 and supporting the conveyor belt 3, avoiding the deviation of the conveyor belt 3 due to uneven distribution of the coal, and improving the stability and safety of the conveying. Then, the dust suppression cannon 9 can be used for spraying dust suppression, and the cooling water gun 8 is connected to a water source, so that water is sprayed to the coal conveying area through the cooling water gun 8, thereby spraying and dusting the coal conveying area and spraying and cooling the coal conveying area, reducing the dust concentration in the air and the temperature of the coal, preventing the coal from self-igniting, and improving the operation safety.

[0022] The technical principles of the embodiments of the present application are described above in combination with specific examples. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be interpreted as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific embodiments of the embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the embodiments of the present application.

Claims

1. A coal conveyor for closing a coal yard, characterized in that: The utility model provides a kind of conveying frame (1), transmission drum (2), motor (21), conveying belt (3) and guide assembly, conveying frame (1) left and right two parts are rotatably connected with transmission drum (2), the left rear part of conveying frame (1) is connected with motor (21), the output shaft of motor (21) is connected with the transmission drum (2) of left part, transmission drum (2) is connected with conveying belt (3) between, and conveying frame (1) is equipped with the guide assembly that can be positioned and guided and supported to conveying belt (3).

2. A coal conveyor for enclosing a coal yard as claimed in claim 1, characterized in that: Guide assembly includes support frame (31), fixed frame (4), support wheel (41), guide wheel (5), telescopic spring (6), sliding frame (7) and fixed block (71), conveying frame (1) upper portion is connected with multiple support frames (31), conveying frame (1) middle upper side is connected with multiple fixed frames (4), multiple support wheels (41) are rotatably connected on fixed frame (4), multiple fixed blocks (71) are connected on conveying frame (1) front and rear two parts, multiple sliding frames (7) are slidably connected on fixed block (71), the front and rear two parts of support frame (31) are also connected with sliding frame (7), guide wheel (5) is rotatably connected on sliding frame (7), and guide wheel (5) is contacted with the outside of conveying belt (3), and multiple telescopic springs (6) are connected between support frame (31) and its adjacent sliding frame (7), and multiple telescopic springs (6) are also connected between fixed block (71) and its adjacent sliding frame (7).

3. A coal conveyor for enclosing a coal yard as claimed in claim 2 wherein: It also includes cooling water gun (8), and support frame (31) middle upper portion is connected with cooling water gun (8).

4. A coal conveyor for enclosing a coal yard as defined in claim 1, characterized in that: It also includes dust gun (9), and conveying frame (1) right front portion is installed with dust gun (9).

5. A coal conveyor for enclosing a coal yard as defined in claim 1, characterized in that: It also includes discharging frame (10), and conveying frame (1) right portion upper side is connected with discharging frame (10).

6. A coal conveyor for enclosing a coal yard as claimed in claim 5 wherein: Discharging frame (10) is funnel structure.

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