阅读说明：本技术 一种煤矿开采用的角度可调的移动式传输装置 (Angle-adjustable mobile transmission device for coal mining ) 是由 陈磊 李红霞 田方圆 田水承 赵琳 苏子馨 樊恒子 于 2021-10-09 设计创作，主要内容包括：本发明公开一种煤矿开采用的角度可调的移动式传输装置,涉及煤矿开采领域。该煤矿开采用的角度可调的移动式传输装置,包括第一U形槽,第一U形槽的内部设有第一传送带,第一U形槽的下表面固定安装有第一驱动电机,第一驱动电机与第一传送带传动连接,第一U形槽的一端下表面固定安装有单排滚轮,第一U形槽的另一端下表面滑动连接有活动支撑杆,活动支撑杆的底端固定安装有双排滚轮。该煤矿开采用的角度可调的移动式传输装置,能够对整个装置的传输高度和传输角度进行调节,一方面达到节约能耗的作用,另一方面提升传输效率,不需要在更换煤矿输送对象时进行停机。(The invention discloses a movable transmission device with an adjustable angle for coal mining, and relates to the field of coal mining. This portable transmission device of angularly adjustable that coal mining adopted, including first U-shaped groove, the inside in first U-shaped groove is equipped with first conveyer belt, and the fixed surface of lower fixed surface in first U-shaped groove installs first driving motor, and first driving motor is connected with first conveyer belt transmission, and fixed surface installs single row gyro wheel under the one end in first U-shaped groove, and the other end lower surface sliding connection in first U-shaped groove has movable support rod, and movable support rod's bottom fixed mounting has double gyro wheel. This portable transmission device of angularly adjustable that coal mining adopted can adjust the transmission height and the transmission angle of whole device, reaches the effect of practicing thrift the energy consumption on the one hand, and on the other hand promotes transmission efficiency, need not shut down when changing the colliery transport object.)

1. A movable conveying device with adjustable angle for coal mining is characterized by comprising a conveying device, a conveying device and a conveying device, wherein the conveying device is used for conveying coal;

the device comprises a first U-shaped groove (1), wherein a first conveyor belt (2) is arranged inside the first U-shaped groove (1), a first driving motor (6) is fixedly installed on the lower surface of the first U-shaped groove (1), the first driving motor (6) is in transmission connection with the first conveyor belt (2), a single-row roller (9) is fixedly installed on the lower surface of one end of the first U-shaped groove (1), a movable support rod (7) is slidably connected to the lower surface of the other end of the first U-shaped groove (1), and double-row rollers (31) are fixedly installed at the bottom end of the movable support rod (7);

rotate connecting plate (10), the lower surface that rotates connecting plate (10) rotates and is connected with second U-shaped groove (8), the last fixed surface who rotates connecting plate (10) installs the second and connects hopper (11), the inside in second U-shaped groove (8) is equipped with second conveyer belt (22), the lower fixed surface who installs in second U-shaped groove (8) has second driving motor (23), second driving motor (23) are connected with second conveyer belt (22) transmission.

2. The mobile conveying device with adjustable angle for coal mining according to claim 1, characterized in that: the utility model discloses a material receiving hopper, including first U-shaped groove (1), the front end lower surface fixedly connected with fixed strip (15) of first U-shaped groove (1), the one end of rotating connecting plate (10) rotates the surface of connection at fixed strip (15), the equal activity in front end both sides of first U-shaped groove (1) articulates there is movable strip (12), the other end sliding connection who rotates connecting plate (10) is between two sets of fixed strips (15), material unloading hole (19) have been seted up to the other end lower surface of rotating connecting plate (10), the second connects hopper (11) to be linked together through the inside of material unloading hole (19) with second U-shaped groove (8).

3. The mobile conveying device with adjustable angle for coal mining according to claim 2, characterized in that: the inside of unloading hole (19) rotates and is connected with rotation unloading pipe (26), the fixed cover in top surface that rotates unloading pipe (26) has connect fender ring (27), fender ring (27) rotate to be connected the interior bottom that connects hopper (11) at the second, the bottom fixed connection that rotates unloading pipe (26) is at the top of second U-shaped groove (8).

4. The mobile conveying device with adjustable angle for coal mining use according to claim 3, characterized in that: the outer surface of the middle of the rotary blanking pipe (26) is fixedly sleeved with a driving gear (28), the inner thread of the rotary connecting plate (10) is connected with a second adjusting screw rod (20), the second adjusting screw rod (20) is in transmission connection with the driving gear (28), and the outer surface of the end part of the second adjusting screw rod (20) is fixedly provided with a first rotary table (21).

5. The mobile conveying device with adjustable angle for coal mining use according to claim 3, characterized in that: an inclined material guide plate (25) is fixedly mounted inside the second U-shaped groove (8) and below the rotary discharging pipe (26), the bottom end of the inclined material guide plate (25) is over against the upper surface of the second conveying belt (22), and a second driving belt (24) is arranged on the second driving motor (23) and the second conveying belt (22).

6. The mobile conveying device with adjustable angle for coal mining according to claim 1, characterized in that: fixed surface installs first hopper (3) that connects on the bottom in first U-shaped groove (1), the inside in first U-shaped groove (1) just is located the first below that connects hopper (3) and is equipped with striker plate (4), be equipped with first drive belt (5) between first driving motor (6) and first conveyer belt (2).

7. The mobile conveying device with adjustable angle for coal mining according to claim 2, characterized in that: spout (13) have been seted up to the surface of activity strip (12), the equal fixedly connected with spacing slide bar (14) in both sides of rotating connecting plate (10), spacing slide bar (14) swing joint is in the inside of spout (13), the bottom of activity strip (12) is rotated and is connected with rotation pin (17), the lower surface activity hinge who rotates connecting plate (10) has spliced pole (16), the bottom of spliced pole (16) is rotated and is connected with first adjusting screw (36), first adjusting screw (36) threaded connection is in the inside of rotating pin (17).

8. The mobile conveying device with adjustable angle for coal mining according to claim 1, characterized in that: the front end both sides of first U-shaped groove (1) all rotate and are connected with support bar (29), activity bracing piece (7) sliding connection is at the surface of support bar (29), the bottom fixedly connected with limiting plate (30) of support bar (29), the upper surface rotation of double gyro wheel (31) is connected with third adjusting screw (32), the top threaded connection of third adjusting screw (32) is in the inside of limiting plate (30).

9. The mobile conveyor of claim 8, further comprising: the outer fixed surface in bottom of third adjusting screw (32) installs second carousel (33), the terminal surface of rotating connecting plate (10) has seted up U-shaped movable groove (18), the top of third adjusting screw (32) extends to the inside in U-shaped movable groove (18).

10. The mobile conveyor of claim 8, further comprising: the surface fixed connection of support bar (29) has T shape spacing (34), T shape spacing groove (35) have been seted up to the inside of activity bracing piece (7), T shape spacing (34) sliding connection is in the inside of T shape spacing groove (35).

Technical Field

The invention relates to the technical field of coal mining, in particular to a movable conveying device with an adjustable angle for coal mining.

Background

In the coal mining process, the coal mine is usually mined and then stacked on an open pit mine, then the coal mine is transported to a designated coal using place through a transport vehicle, and when the coal mine is loaded, a conveyor belt is generally adopted for conveying, so that the coal mine is directly conveyed to the inside of a hopper of the transport vehicle, and the labor intensity of workers is reduced.

However, in the actual operation process, a plurality of transport vehicles are usually arranged beside the mine pile for coal extraction, and the transport angle of the existing transport belt is basically fixed, so that in the actual use, coal mine transportation can be performed only for a fixed position, and therefore after one transport vehicle is full, the next transport vehicle needs to be immediately driven away, and then the next transport vehicle moves to the lower part of the transport belt for secondary transportation and loading, which wastes time, and the conveyor needs to be intermittently stopped, and meanwhile, in order to be used for vehicles with different heights, the inclination angle of the common transport belt is very high, so that more power energy sources need to be consumed in the transportation process, and the waste situation exists, and therefore, an angle-adjustable mobile transmission device for coal mine mining needs to be provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention discloses a movable conveying device with an adjustable angle for coal mining, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a movable conveying device with adjustable angle for coal mining comprises a conveying device body;

the device comprises a first U-shaped groove, a first conveyor belt is arranged inside the first U-shaped groove, a first driving motor is fixedly mounted on the lower surface of the first U-shaped groove and is in transmission connection with the first conveyor belt, a single-row roller is fixedly mounted on the lower surface of one end of the first U-shaped groove, a movable support rod is slidably connected to the lower surface of the other end of the first U-shaped groove, and double-row rollers are fixedly mounted at the bottom end of the movable support rod;

the connecting plate rotates, the lower surface that rotates the connecting plate rotates and is connected with the second U-shaped groove, the last fixed surface who rotates the connecting plate installs the second and connects the hopper, the inside in second U-shaped groove is equipped with the second conveyer belt, the lower fixed surface in second U-shaped groove installs second driving motor, second driving motor is connected with the transmission of second conveyer belt.

Preferably, the fixed strip of front end lower surface fixedly connected with in first U-shaped groove, the surface of connection at the fixed strip is rotated to the one end of rotation connecting plate, the equal activity hinge in front end both sides in first U-shaped groove has movable strip, the other end sliding connection who rotates the connecting plate is between two sets of fixed strips, the unloading hole has been seted up to the other end lower surface of rotation connecting plate, the second connects the hopper to be linked together through the inside in unloading hole and second U-shaped groove.

Preferably, the inside of unloading hole rotates and is connected with and rotates the unloading pipe, the fixed cover in top surface that rotates the unloading pipe has connect the fender ring, the fender ring rotates to be connected and connects the interior bottom at the second and connect the hopper, the bottom fixed connection that rotates the unloading pipe is at the top of second U-shaped groove.

Preferably, the outer surface of the middle part of the rotary blanking pipe is fixedly sleeved with a driving gear, the inner thread of the rotary connecting plate is connected with a second adjusting screw, the second adjusting screw is in transmission connection with the driving gear, and the outer surface of the end part of the second adjusting screw is fixedly provided with a first turntable.

Preferably, an inclined material guide plate is fixedly mounted inside the second U-shaped groove and below the rotary discharging pipe, the bottom end of the inclined material guide plate is opposite to the upper surface of the second conveying belt, and the second driving motor and the second conveying belt are provided with a second transmission belt.

Preferably, the first hopper that connects is installed to the bottom fixed surface in first U-shaped groove, the inside in first U-shaped groove just is located the first below that connects the hopper and is equipped with the striker plate, be equipped with first drive belt between first driving motor and the first conveyer belt.

Preferably, the spout has been seted up to the surface of activity strip, the equal fixedly connected with spacing slide bar in both sides of rotating the connecting plate, spacing slide bar swing joint is in the inside of spout, the bottom of activity strip is rotated and is connected with the rotation pin, the lower surface activity of rotating the connecting plate articulates there is the spliced pole, the bottom of spliced pole is rotated and is connected with first adjusting screw, first adjusting screw threaded connection is in the inside of rotating the pin.

Preferably, the front end both sides in first U-shaped groove all rotate and are connected with the support bar, movable support pole sliding connection is at the surface of support bar, the bottom fixedly connected with limiting plate of support bar, the upper surface of double gyro wheel rotates and is connected with third adjusting screw, third adjusting screw's top threaded connection is in the inside of limiting plate.

Preferably, the outer surface of the bottom end of the third adjusting screw is fixedly provided with a second turntable, the outer surface of the tail end of the rotating connecting plate is provided with a U-shaped movable groove, and the top end of the third adjusting screw extends to the inside of the U-shaped movable groove.

Preferably, the outer surface of the supporting bar is fixedly connected with a T-shaped limiting strip, a T-shaped limiting groove is formed in the movable supporting bar, and the T-shaped limiting strip is connected to the inside of the T-shaped limiting groove in a sliding mode.

The invention discloses a movable transmission device with an adjustable angle for coal mining, which has the following beneficial effects:

1. this portable transmission device of angularly adjustable that coal mining adopted, through driving two transport vechicles to the bottom both sides in second U-shaped groove, then carry out the colliery to first transport vechicle earlier and load, when first transport vechicle is full, first transport vechicle drives away this moment, simultaneously through rotating first carousel, make first carousel drive second adjusting screw rotate, make second adjusting screw and drive gear mesh mutually carry out the transmission, it rotates to drive the lower surface of second U-shaped groove at the rotation connecting plate, make the end in second U-shaped groove rotate to the car fill top that enters into second transport vechicle, do not need to shut down the processing this moment, change in turn through two transport vechicles, carry out the colliery transport celessly, promote holistic colliery transport efficiency.

2. This portable transmission device of angularly adjustable that coal mining adopted, at first remove the device to appointed position through single gyro wheel and double gyro wheel, then highly adjust according to the actual need conveying, through rotating the second carousel, make the second carousel drive third adjusting screw and rotate, make the limiting plate drive the support bar rebound, the spacing of T shape is inside the rebound in the T shape spacing groove this moment, make the height of first U-shaped groove promote to be the same with the vehicle height that needs carried, accord with actual transmission colliery demand, it is extravagant to avoid setting up too high transmission height simultaneously and produce the power energy.

3. This portable transmission device of angularly adjustable that coal mining adopted, through rotating first adjusting screw, make first adjusting screw take place to rotate in the inside of rotating the pin, the top of first adjusting screw takes place to rotate in the bottom of spliced pole this moment, and through the spliced pole with the tip jack-up that makes progress of rotating the connecting plate, make to rotate the connecting plate and take place to rotate in the side of fixed strip, spacing slide bar upwards slides in the spout is inside simultaneously, finally make to rotate the connecting plate and rotate to the horizontality, be convenient for adjust the conveying angle of second conveyer belt.

Drawings

FIG. 1 is a schematic side view of the whole body of the present invention;

FIG. 2 is a schematic view of the overall backside structure of the present invention;

FIG. 3 is a schematic view of the outer surface configuration of the second U-shaped channel and the rotating web of the present invention;

FIG. 4 is a schematic view of the outer surface structure of the rotating connecting plate according to the present invention;

FIG. 5 is a schematic view of a portion of the outer surface of a second U-shaped groove according to the present invention;

FIG. 6 is a schematic diagram of the upper surface structure of the dual-row roller according to the present invention.

In the figure: 1. a first U-shaped slot; 2. a first conveyor belt; 3. a first receiving hopper; 4. a striker plate; 5. a first drive belt; 6. a first drive motor; 7. a movable support rod; 8. a second U-shaped slot; 9. a single row of rollers; 10. rotating the connecting plate; 11. a second receiving hopper; 12. a movable bar; 13. a chute; 14. a limiting slide bar; 15. a fixing strip; 16. connecting columns; 17. rotating the stop lever; 18. a U-shaped groove; 19. a blanking hole; 20. a second adjusting screw; 21. a first turntable; 22. a second conveyor belt; 23. a second drive motor; 24. a second drive belt; 25. inclining the material guide plate; 26. rotating the blanking pipe; 27. a baffle ring; 28. a drive gear; 29. a supporting strip; 30. a limiting plate; 31. double rows of rollers; 32. a third adjusting screw; 33. a second turntable; 34. a T-shaped limiting strip; 35. a T-shaped limiting groove; 36. a first adjusting screw.

Detailed Description

The embodiment of the invention discloses a movable transmission device with an adjustable angle for coal mining, which comprises a first U-shaped groove 1, wherein a first conveyor belt 2 is arranged in the first U-shaped groove 1, a first driving motor 6 is fixedly arranged on the lower surface of the first U-shaped groove 1, the first driving motor 6 is in transmission connection with the first conveyor belt 2, a single-row roller 9 is fixedly arranged on the lower surface of one end of the first U-shaped groove 1, a movable support rod 7 is slidably connected to the lower surface of the other end of the first U-shaped groove 1, and a double-row roller 31 is fixedly arranged at the bottom end of the movable support rod 7;

meanwhile, the device further comprises a rotating connecting plate 10, the lower surface of the rotating connecting plate 10 is connected with a second U-shaped groove 8 in a rotating mode, a second receiving hopper 11 is fixedly arranged on the upper surface of the rotating connecting plate 10, a second conveying belt 22 is arranged inside the second U-shaped groove 8, a second driving motor 23 is fixedly arranged on the lower surface of the second U-shaped groove 8, and the second driving motor 23 is in transmission connection with the second conveying belt 22.

Referring to the attached drawings 3-4, the front end lower surface of the first U-shaped groove 1 is fixedly connected with a fixing strip 15, one end of a rotating connecting plate 10 is rotatably connected to the outer surface of the fixing strip 15, two sides of the front end of the first U-shaped groove 1 are movably hinged with movable strips 12, the other end of the rotating connecting plate 10 is slidably connected between the two groups of fixing strips 15, a blanking hole 19 is formed in the lower surface of the other end of the rotating connecting plate 10, the second receiving hopper 11 is communicated with the inside of the second U-shaped groove 8 through the blanking hole 19, ores are fed into the inside of the first U-shaped groove 1 through the first receiving hopper 3, are conveyed to the top end of the first U-shaped groove 1 through the first conveyor belt 2, fall into the inside of the second receiving hopper 11, and then fall downwards to the upper surface of the second conveyor belt 22.

Referring to fig. 5, the inside of the blanking hole 19 is rotatably connected with a rotary blanking pipe 26, the outer surface of the top end of the rotary blanking pipe 26 is fixedly sleeved with a baffle ring 27, the baffle ring 27 is rotatably connected to the inner bottom of the second material receiving hopper 11, the bottom end of the rotary blanking pipe 26 is fixedly connected to the top of the second U-shaped groove 8, and the baffle ring 27 plays a role in preventing falling.

Referring to fig. 4-5, a driving gear 28 is sleeved on the outer surface of the middle of the rotating blanking pipe 26, a second adjusting screw 20 is connected to the inner thread of the rotating connecting plate 10, the second adjusting screw 20 is in transmission connection with the driving gear 28, a first rotary disc 21 is installed on the outer surface of the end of the second adjusting screw 20, and by rotating the first rotary disc 21, the first rotary disc 21 drives the second adjusting screw 20 to rotate, so that the second adjusting screw 20 is meshed with the driving gear 28 for transmission, and the second U-shaped groove 8 is driven to rotate on the lower surface of the rotating connecting plate 10.

Referring to fig. 5, an inclined material guiding plate 25 is fixedly installed inside the second U-shaped groove 8 and below the rotary blanking pipe 26, the bottom end of the inclined material guiding plate 25 faces the upper surface of the second conveyor belt 22, the second driving motor 23 and the second conveyor belt 22 are provided with a second driving belt 24, and the inclined material guiding plate 25 facilitates directional material transmission.

Referring to the attached drawing 1, a first receiving hopper 3 is fixedly arranged on the upper surface of the bottom end of a first U-shaped groove 1, a baffle plate 4 is arranged inside the first U-shaped groove 1 and below the first receiving hopper 3, a first transmission belt 5 is arranged between a first driving motor 6 and a first transmission belt 2, and the baffle plate 4 effectively prevents a coal mine from rolling down from the bottom end of the first U-shaped groove 1.

Referring to fig. 4, a sliding groove 13 is formed in the outer surface of the movable strip 12, a limiting sliding rod 14 is fixedly connected to each of two sides of the rotating connecting plate 10, the limiting sliding rod 14 is movably connected to the inside of the sliding groove 13, a rotating stop lever 17 is rotatably connected to the bottom end of the movable strip 12, a connecting post 16 is movably hinged to the lower surface of the rotating connecting plate 10, a first adjusting screw 36 is rotatably connected to the bottom end of the connecting post 16, the first adjusting screw 36 is in threaded connection with the inside of the rotating stop lever 17, the first adjusting screw 36 is rotated inside the rotating stop lever 17 by rotating the first adjusting screw 36, the top end of the first adjusting screw 36 is rotated at the bottom end of the connecting post 16, the end of the rotating connecting plate 10 is pushed up by the connecting post 16, the rotating connecting plate 10 is rotated on the side surface of the fixed strip 15, and the limiting sliding rod 14 slides upwards inside the sliding groove 13, eventually, the rotation connecting plate 10 is rotated to a horizontal state.

Referring to fig. 6, both sides of the front end of the first U-shaped groove 1 are rotatably connected with the support bars 29, the movable support bars 7 are slidably connected to the outer surfaces of the support bars 29, the bottom end of the support bars 29 are fixedly connected with the limiting plates 30, the upper surface of the double-row roller 31 is rotatably connected with the third adjusting screw rods 32, the top ends of the third adjusting screw rods 32 are threadedly connected to the inner portions of the limiting plates 30, the bottom end of the third adjusting screw rods 32 is fixedly mounted with the second rotary disc 33, the end outer surface of the connecting plate 10 is rotated to provide the U-shaped movable groove 18, the top ends of the third adjusting screw rods 32 extend to the inner portions of the U-shaped movable groove 18, the second rotary disc 33 is rotated to drive the third adjusting screw rods 32 to rotate, the limiting plates 30 drive the support bars 29 to move upwards, and the front end of the first U-shaped groove 1 is highly lifted.

Referring to fig. 6, the outer surface of the supporting bar 29 is fixedly connected with a T-shaped limiting bar 34, a T-shaped limiting groove 35 is formed in the movable supporting bar 7, and the T-shaped limiting bar 34 is slidably connected in the T-shaped limiting groove 35 to limit the vertical sliding of the supporting bar 29.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below by way of examples with reference to the accompanying drawings in the present invention.

The first embodiment,

As shown in fig. 1-6, an angle-adjustable mobile transmission device for coal mining comprises a first U-shaped groove 1 and a rotary connecting plate 10, wherein a first conveyor belt 2 is arranged in the first U-shaped groove 1, a first driving motor 6 is fixedly arranged on the lower surface of the first U-shaped groove 1, the first driving motor 6 is in transmission connection with the first conveyor belt 2, a single-row roller 9 is fixedly arranged on the lower surface of one end of the first U-shaped groove 1, a movable support rod 7 is slidably connected to the lower surface of the other end of the first U-shaped groove 1, a double-row roller 31 is fixedly arranged at the bottom end of the movable support rod 7, a second U-shaped groove 8 is rotatably connected to the lower surface of the rotary connecting plate 10, a second receiving hopper 11 is fixedly arranged on the upper surface of the rotary connecting plate 10, a second conveyor belt 22 is arranged in the second U-shaped groove 8, and a second driving motor 23 is fixedly arranged on the lower surface of the second U-shaped groove 8, the second driving motor 23 is in transmission connection with the second conveyor belt 22;

the two sides of the front end of the first U-shaped groove 1 are rotatably connected with supporting bars 29, the movable supporting bar 7 is slidably connected to the outer surface of the supporting bars 29, the bottom end of each supporting bar 29 is fixedly connected with a limiting plate 30, the upper surface of the double-row roller 31 is rotatably connected with a third adjusting screw 32, the top end of the third adjusting screw 32 is in threaded connection with the inside of the limiting plate 30, the outer surface of the bottom end of the third adjusting screw 32 is fixedly provided with a second turntable 33, the outer surface of the tail end of the rotating connecting plate 10 is provided with a U-shaped movable groove 18, the top end of the third adjusting screw 32 extends to the inside of the U-shaped movable groove 18, the outer surface of the supporting bar 29 is fixedly connected with a T-shaped limiting bar 34, the inside of the movable supporting bar 7 is provided with a T-shaped limiting groove 35, and the T-shaped limiting bar 34 is slidably connected to the inside of the T-shaped limiting groove 35;

when the device is used, the device is firstly moved to an appointed position through the single-row roller 9 and the double-row roller 31, then the height conveyed according to actual needs is adjusted, the second turntable 33 is rotated, the second turntable 33 drives the third adjusting screw 32 to rotate, the limiting plate 30 drives the supporting bar 29 to move upwards, the T-shaped limiting bar 34 slides upwards in the T-shaped limiting groove 35 at the moment, and the height of the first U-shaped groove 1 is increased to be the same as the height of a vehicle needing to be conveyed.

Example II,

As shown in fig. 1-6, an angle-adjustable mobile transmission device for coal mining is provided, based on the first embodiment, a fixed strip 15 is fixedly connected to a lower surface of a front end of a first U-shaped groove 1, one end of a rotary connecting plate 10 is rotatably connected to an outer surface of the fixed strip 15, two sides of the front end of the first U-shaped groove 1 are movably hinged with movable strips 12, the other end of the rotary connecting plate 10 is slidably connected between two sets of the fixed strips 15, a second driving motor 23 and a second conveyor belt 22 are provided with a second driving belt 24, a first receiving hopper 3 is fixedly installed on an upper surface of a bottom end of the first U-shaped groove 1, a material baffle 4 is arranged inside the first U-shaped groove 1 and below the first receiving hopper 3, a first driving belt 5 is arranged between the first driving motor 6 and the first conveyor belt 2, a chute 13 is arranged on an outer surface of the movable strip 12, two sides of the rotary connecting plate 10 are fixedly connected with limit slide bars 14, the limiting slide bar 14 is movably connected inside the sliding groove 13, the bottom end of the movable bar 12 is rotatably connected with a rotating stop lever 17, the lower surface of the rotating connecting plate 10 is movably hinged with a connecting column 16, the bottom end of the connecting column 16 is rotatably connected with a first adjusting screw 36, and the first adjusting screw 36 is in threaded connection inside the rotating stop lever 17;

the first adjusting screw rod 36 is rotated in the rotating stop lever 17 by rotating the first adjusting screw rod 36, at the moment, the top end of the first adjusting screw rod 36 rotates at the bottom end of the connecting column 16, the end part of the rotating connecting plate 10 is jacked upwards through the connecting column 16, the rotating connecting plate 10 rotates on the side surface of the fixing strip 15, the limiting slide rod 14 slides upwards in the sliding chute 13, finally, the rotating connecting plate 10 rotates to a horizontal state, then, a first group of ore transport vehicles are driven to the position below the end part right opposite to the second U-shaped groove 8, the other transport vehicle moves to the position side by side with the first transport vehicle, at the moment, the first drive motor 6 and the second drive motor 23 are started, the first conveyor belt 2 and the second conveyor belt 22 are respectively driven to operate by the first drive motor 6 and the second drive motor 23, at the moment, ores are put into the first U-shaped groove 1 by the first receiving hopper 3, and is conveyed to the top end of the first U-shaped groove 1 through the first conveyor belt 2, then falls into the interior of the second receiving hopper 11, then falls downwards to the upper surface of the second conveyor belt 22 and finally is conveyed into the hopper of the first transport vehicle, and the conveying of ore is completed.

Example III,

As shown in fig. 1-6, on the basis of the first and second embodiments, a discharging hole 19 is formed in the lower surface of the other end of a rotary connecting plate 10, a second receiving hopper 11 is communicated with the inside of a second U-shaped groove 8 through the discharging hole 19, a rotary discharging pipe 26 is rotatably connected to the inside of the discharging hole 19, a baffle ring 27 is fixedly sleeved on the outer surface of the top end of the rotary discharging pipe 26, the baffle ring 27 is rotatably connected to the inner bottom of the second receiving hopper 11, the bottom end of the rotary discharging pipe 26 is fixedly connected to the top of the second U-shaped groove 8, a driving gear 28 is fixedly sleeved on the outer surface of the middle of the rotary discharging pipe 26, a second adjusting screw 20 is connected to the inner thread of the rotary connecting plate 10, the second adjusting screw 20 is in transmission connection with the driving gear 28, a first rotary disc 21 is fixedly mounted on the outer surface of the end of the second adjusting screw 20, an inclined material guide plate 25 is fixedly arranged in the second U-shaped groove 8 and below the rotary discharging pipe 26, and the bottom end of the inclined material guide plate 25 is opposite to the upper surface of the second conveyor belt 22;

in the second embodiment, when the first transport vehicle is full, the first transport vehicle moves away at this time, and meanwhile, by rotating the first rotary table 21, the first rotary table 21 drives the second adjusting screw 20 to rotate, so that the second adjusting screw 20 is meshed with the driving gear 28 to perform transmission, the second U-shaped groove 8 is driven to rotate on the lower surface of the rotating connecting plate 10, so that the tail end of the second U-shaped groove 8 rotates to the position above the hopper of the second transport vehicle, at this time, the stop processing is not needed, the two transport vehicles are alternately replaced, coal mine transportation is performed ceaselessly, and the overall coal mine transportation efficiency is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.