Track moving type loading double-hopper

Abstract

The utility model relates to the technical field of wharf unloading machinery, and discloses a track moving type loading double hopper which comprises a bearing hopper frame, an ore sand hopper, a sulfur hopper and a walking mechanism, the bearing hopper frame is of a two-layer structure, the first layer of the bearing hopper frame is used for vehicles to pass through, the second layer of the bearing hopper frame fixedly supports the ore sand hopper and the sulfur hopper, the ore sand hopper is in an inverted halfpace shape, and the sulfur hopper is in an inverted halfpace shape. A first hopper door mechanism for closing and opening a discharging port of the ore sand hopper is arranged on the second layer of the bearing hopper frame, the sulfur hopper is of an inverted cone structure, and a second hopper door mechanism for closing and opening a discharging port of the sulfur hopper is arranged on the outer side wall of the sulfur hopper. The walking mechanism comprises four first rail wheels rotationally installed at the bottom of the load-bearing bucket frame and a pair of spiral lifting column feet fixed to the bottom of the load-bearing bucket frame. The ore sand and sulfur loading machine has the following advantages and effects that the ore sand and sulfur loading machine can flexibly move and operate, and can continuously or simultaneously load ore sand and sulfur materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to wharf unloading mechanical technology field especially relates to a track mobile loading double hopper. BACKGROUND

[0002] The existing mineral sand, sulphur and other material transportation mode usually adopts a ship with large carrying capacity, transports the ship to a port set on land through long-distance ocean, uses the loading and unloading equipment of the port to load and unload the above-mentioned material to a large bulk cargo transport vehicle, then changes the inland transportation mode to transport the material to a production factory as a production raw material, or temporarily stores the cargo in a yard to wait for transfer. The loading and unloading operation of the port is generally manually using the hoisting equipment on the wharf, cooperating with a grab that can grab bulk cargo to grab the material from the ship and transfer the material to the transport vehicle of the cargo through a loading hopper. However, the existing loading hopper is large in size and inconvenient to move, is difficult to flexibly load the vehicle for different ship types of the port, and the mineral sand material and the sulphur material cannot be mixedly used in the same loading hopper, so when unloading the ship transporting the above-mentioned two materials, the loading hopper is usually replaced or cleaned to separately unload the materials, thereby causing long unloading preparation time and low unloading efficiency. SUMMARY

[0003] The utility model aims at providing a track mobile loading double hopper that can flexibly move and work and continuously or simultaneously load the mineral sand material and the sulphur material.

[0004] The above technical purpose of the utility model is realized through the following technical scheme: a track mobile loading double hopper, including a bearing frame, a mineral sand hopper, a sulphur hopper and a walking mechanism, the bearing frame is two-layer structure, the first layer of the bearing frame is used for passing vehicles, the second layer of the bearing frame fixedly supports the mineral sand hopper and the sulphur hopper, the mineral sand hopper is in the shape of an inverted ladder, the second layer of the bearing frame is provided with a hopper door mechanism one that closes and opens the discharge port of the mineral sand hopper, the sulphur hopper is in the shape of an inverted cone, the outer wall of the sulphur hopper is provided with a hopper door mechanism two that closes and opens the discharge port of the sulphur hopper, the walking mechanism includes four track wheels one rotatably installed at the bottom of the bearing frame, a pair of screw lifting column feet fixedly installed at the bottom of the bearing frame, the four track wheels one are evenly distributed at the four corners of the bearing frame and can support the bearing frame to move along the track of the wharf in a straight line, the two screw lifting column feet are located at the middle of the bottom of the bearing frame and fixedly support the bearing frame on the ground when the bearing frame is not moved.

[0005] The further setting of the utility model discloses: the mobile trolley that can move is arranged on the second layer of the load cradle, the movable gate board no.

[0006] The further setting of the utility model discloses: the mobile trolley includes the shovel-shaped car body, a pair of U-shaped support plates, the movable gate board no.

[0007] The further setting of the utility model discloses: the movable gate board no.

[0008] The further setting of the utility model discloses: the movable gate board no.

[0009] The further setting of the utility model discloses: still include the deflector, the deflector one end hinged connection load cradle is close to the side of the ship, the deflector and load cradle jointly hinged connection have the support rod, and the deflector is under the support of support rod, and is inclined to the side of load cradle.

[0010] The utility model discloses a further setting for: still include hopper cleaning mechanism, the hopper cleaning mechanism includes rectangle frame, the support leg of connecting multiple rectangle frame and the top of bearing cradle, the mobile support of one pair of mobile settings on rectangle frame, the mobile assembly of drive two mobile supports relative movement, the water supply hard pipe of one pair of respectively fixed in two mobile support bottom, the water supply hose of one pair of respectively connecting two water supply hard pipe one end, a plurality of evenly set up in water supply hard pipe lateral wall and open downward water jet head, the top opening of mineral sand hopper and sulphur hopper is located in the middle of rectangle frame, two mobile supports are driven respectively by the mobile assembly and move above the top opening of mineral sand hopper and sulphur hopper, the water supply hard pipe and water jet head are located above mineral sand hopper or sulphur hopper, the one end of water supply hose is connected water supply equipment away from water supply hard pipe, and the bearing cradle is left with the clearance of safe stay of two mobile supports before and after work in the middle of mineral sand hopper and sulphur hopper.

[0011] The utility model discloses a further setting for: two pairs of track wheel threes are rotationally arranged on the mobile support, and two pairs of track wheel threes are respectively located on two edge poles in the rectangle frame and roll.

[0012] The utility model discloses a further setting for: the mobile assembly includes the inverted L character shape long board of fixed in the top of bearing cradle, one pair of rotationally arranged in the vertical part one side of inverted L character shape long board wheel, drive one wheel rotation's servo motor, one set up on the belt of wheel, one pair of respectively fixed in two mobile supports and one end respectively connects the connecting piece of belt upper and lower two parts, the belt is located in the below of inverted L character shape long board horizontal part, the servo motor is fixed in the other side of inverted L character shape long board vertical part, and the output end rotation of servo motor passes through inverted L character shape long board vertical part, and is connected wheel.

[0013] The utility model discloses a further setting for: the top of bearing cradle is extended to one end of inverted L character shape long board, and servo motor is installed in the side of this end of inverted L character shape long board, and the protection cover of cover servo motor is fixed on the lateral wall of inverted L character shape long board.

[0014] The utility model discloses a further setting for: the top of bearing cradle is extended to one end of inverted L character shape long board, and servo motor is installed in the side of this end of inverted L character shape long board, and the protection cover of cover servo motor is fixed on the lateral wall of inverted L character shape long board.

[0015] 1、 through adopting above-mentioned mineral sand hopper and sulphur hopper's double hopper structure, not only can realize continuous or simultaneously to mineral sand and sulphur two materials and carry out loading work, to avoid midway replacement or cleaning hopper, and cooperate track wheel one and spiral lifting column foot in walking mechanism, still can flexible adjustment double hopper position, and then adapt different ship type's unloading work.

[0016] 2. The mobile trolley, movable gate plate one, electric hydraulic push rod one and other components are used to form the gate mechanism one, which can realize the opening and closing of the discharge port of the ore sand hopper, and the sleeve, guide rod and spring in the mobile trolley can make the movable gate plate one tightly adhere to the end surface of the discharge port of the ore sand hopper, thereby preventing the ore sand in the ore sand hopper from leaking and overflowing before loading.

[0017] 3. The movable gate plate one and electric hydraulic push rod are used to form the gate mechanism one, which can realize the opening and closing of the discharge port of the sulfurization hopper, and the limiting structure such as limiting baffle and limiting guide wheel can make the movable gate plate one tightly adhere to the end surface of the discharge port of the sulfurization hopper, thereby preventing the sulfur in the sulfurization hopper from leaking and overflowing before loading.

[0018] 4. The movable mobile support, water delivery hard pipe and water delivery soft pipe, and the water spraying head are used to form the hopper cleaning mechanism, which can realize the automatic cleaning effect of the ore sand hopper and the sulfur hopper, and the load support frame leaves a gap for the safe stay of the two mobile supports before and after work, thereby avoiding the influence of the mobile support on the unloading and loading work of the ore sand hopper and the sulfur hopper. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 is a schematic view of the three-dimensional structure of the present embodiment;

[0021] Figure 2 is a schematic view of the gate mechanism one structure of the present embodiment;

[0022] Figure 3 is a sectional view of the ore sand hopper and the gate mechanism one structure of the present embodiment;

[0023] Figure 4 is a sectional view of the sulfur hopper and the gate mechanism two structure of the present embodiment;

[0024] Figure 5 is a schematic view of the hopper cleaning mechanism structure of the present embodiment;

[0025] In the diagram, 1. Load-bearing bucket frame; 11. Guide rail; 12. Flow deflector; 13. Support rod; 2. Ore hopper; 3. Sulfur hopper; 31. Limiting baffle; 32. Limiting guide wheel; 4. Traveling mechanism; 41. Track wheel one; 42. Spiral lifting column foot; 5. Bucket gate mechanism one; 51. Moving trolley; 511. Shovel-shaped trolley body; 511a. Guide rod; 512. U-shaped support plate; 512a. Track wheel two; 512b. Sleeve; 512c. Spring; 52. Movable bucket gate plate one. 53. Electric hydraulic push rod one; 6. Hopper gate mechanism two; 61. Movable hopper gate plate two; 62. Electric hydraulic push rod two; 7. Hopper cleaning mechanism; 71. Rectangular frame; 72. Support leg; 73. Movable bracket; 731. Track wheel three; 74. Movable component; 741. Inverted L-shaped long plate; 741a. Protective cover; 742. Pulley; 743. Servo motor; 744. Belt; 745. Connector; 75. Water supply hard pipe; 76. Water supply hose; 77. Spray head. Detailed Implementation

[0026] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Example: A track-mounted double-hopper loading system, such as... Figures 1-5 As shown, the system includes a load-bearing bucket frame 1, an ore hopper 2, a sulfur hopper 3, and a traveling mechanism 4. The load-bearing bucket frame 1 has a two-layer structure. The first layer of the load-bearing bucket frame 1 allows vehicles to pass through, while the second layer provides fixed support for the ore hopper 2 and the sulfur hopper 3. The ore hopper 2 is shaped like an inverted trapezoid, and the second layer of the load-bearing bucket frame 1 is equipped with a gate mechanism 5 for closing and opening the outlet of the ore hopper 2. The sulfur hopper 3 has an inverted cone structure, and the outer wall of the sulfur hopper 3 is equipped with a gate mechanism 5 for closing and opening the outlet of the sulfur hopper. The bucket gate mechanism 26 at the discharge port of bucket 3 and the traveling mechanism 4 include four track wheels 41 rotatably mounted on the bottom of the load-bearing bucket frame 1 and a pair of spiral lifting columns 42 fixed to the bottom of the load-bearing bucket frame 1. The four track wheels 41 are evenly distributed on the four corners of the load-bearing bucket frame 1 and can support the load-bearing bucket frame 1 to move in a straight line along the track of the wharf. The two spiral lifting columns 42 are located in the middle of the bottom of the load-bearing bucket frame 1 and, when the load-bearing bucket frame 1 is not moving, they are fixed to the ground and support the load-bearing bucket frame 1.

[0028] By adopting the double-hopper structure of the ore sand hopper 2 and the sulfur hopper 3, not only can the loading of the two materials of ore sand and sulfur be simultaneously or continuously carried out to avoid the replacement or cleaning of the hopper in the middle, but also the position of the double hopper can be flexibly adjusted in cooperation with the track wheel one 41 and the screw lifting column foot 42 in the walking mechanism 4, thereby adapting to the unloading work of different ship types.

[0029] Further, the gate mechanism one 5 includes a movable trolley 51 movably arranged on the second layer of the load-bearing rack 1, a movable gate plate one 52 fixedly arranged on the movable trolley 51, an electric hydraulic push rod one 53 driving the movable trolley 51 to approach or move away from the discharge port of the ore sand hopper 2, the movable gate plate one 52 and the end surface of the discharge port of the ore sand hopper 2 are mutually inclined and parallel, and when the top of the movable gate plate one 52 contacts the end surface of the discharge port of the ore sand hopper 2, the movable gate plate one 52 can completely cover the discharge port of the ore sand hopper 2, and the main body of the electric hydraulic push rod one 53 is hingedly connected to the second layer of the load-bearing rack 1, and the head of the telescopic rod of the electric hydraulic push rod one 53 is hingedly connected to the movable trolley 51.

[0030] The movable trolley 51 includes a shovel-shaped trolley body 511 and a pair of U-shaped support plates 512, the movable gate plate one 52 is fixed inside the shovel-shaped trolley body 511, the U-shaped support plates 512 are rotatably installed on both sides of the U-shaped support plates 512, the second layer of the load-bearing rack 1 is fixedly provided with guide rails 11 for the rolling of the track wheels two 512a, the bottom of the shovel-shaped trolley body 511 is fixedly provided with two pairs of guide rods 511a, the middle of the two U-shaped support plates 512 is fixedly provided with sleeves 512b for the sliding insertion of the two pairs of guide rods 511a, the sleeves 512b are provided with springs 512c inside, and the two ends of the springs 512c are respectively connected to the walls of the U-shaped support plates 512 and the bottom walls of the guide rods 511a, and the head of the telescopic rod of the electric hydraulic push rod one 53 is hingedly connected to the bottom of one of the U-shaped support plates 512.

[0031] By adopting the movable trolley 51, the movable gate plate one 52, the electric hydraulic push rod one 53 and other components, the opening and closing of the discharge port of the ore sand hopper 2 can be realized, and in cooperation with the sleeve 512b, the guide rod 511a and the spring 512c in the movable trolley 51, the movable gate plate one 52 in the movable trolley 51 can be tightly attached to the end surface of the discharge port of the ore sand hopper 2, thereby preventing the ore sand in the ore sand hopper 2 from leaking and overflowing before loading.

[0032] Further, the second movable gate mechanism 6 comprises a second movable gate plate 61 slidably arranged on the outer side wall of the sulfur hopper 3, and an electric hydraulic push rod 62 for driving the second movable gate plate 61 to slide. The discharge port of the sulfur hopper 3 and the second movable gate plate 61 are located on the same inclined surface of the sulfur hopper 3, and the area of the second movable gate plate 61 is larger than that of the discharge port of the sulfur hopper 3. The lowest point of the discharge port of the sulfur hopper 3 is flush with the bottom of the sulfur hopper 3, and when the lower end of the second movable gate plate 61 is flush with the bottom of the sulfur hopper 3, the second movable gate plate 61 can completely cover the discharge port of the sulfur hopper 3. The main body of the electric hydraulic push rod 62 is hingedly connected to the outer side wall of the sulfur hopper 3, and the head of the telescopic rod of the electric hydraulic push rod 62 is hingedly connected to the second movable gate plate 61.

[0033] A pair of limiting baffle plates 31 are fixedly arranged on the outer side wall of the sulfur hopper 3 and parallel to each other, and the discharge port of the sulfur hopper 3 is located between the two limiting baffle plates 31. The second movable gate plate 61 slides up and down between the two limiting baffle plates 31, and the two sides of the second movable gate plate 61 respectively slide and contact the side walls of the two limiting baffle plates 31. A plurality of limiting guide wheels 32 are rotatably arranged on the side of the limiting baffle plate 31 close to the discharge port of the sulfur hopper 3, and the limiting guide wheels 32 press the second movable gate plate 61 to tightly abut against the side wall of the sulfur hopper 3.

[0034] By adopting the above-mentioned second movable gate plate 61 and the electric hydraulic push rod, the discharge port of the sulfur hopper can be opened and closed, and in cooperation with the limiting structure of the limiting baffle plates 31 and the limiting guide wheels 32, the second movable gate plate 61 can tightly abut against the end face of the discharge port of the sulfur hopper, thereby preventing sulfur from leaking and overflowing from the sulfur hopper before loading.

[0035] Further, the support frame 1 further comprises a guide plate 12, one end of the guide plate 12 being hingedly connected to the side of the support frame 1 close to the ship, and the guide plate 12 and the support frame 1 are jointly hingedly connected with a support rod 13. The guide plate 12 is inclined to one side of the support frame 1 under the support of the support rod 13. By adopting the above-mentioned guide plate 12 and support rod 13, part of the mineral sand spilled from the mineral sand hopper 2 can be guided back into the ship.

[0036] Further, the hopper cleaning mechanism 7 is further included, the hopper cleaning mechanism 7 includes a rectangular frame 71, a plurality of supporting legs 72 connecting the rectangular frame 71 and the top of the load rack 1, a pair of moving supports 73 movably arranged on the rectangular frame 71, a moving assembly 74 driving the relative movement of the two moving supports 73, a pair of water supply hard pipes 75 respectively fixed to the bottom of the two moving supports 73, a pair of water supply soft pipes 76 respectively connected to one end of the two water supply hard pipes 75, a plurality of water spray heads 77 evenly arranged on the outer side wall of the water supply hard pipes 75 and opening downward, the top openings of the mineral sand hopper 2 and the sulfur hopper 3 are located in the middle of the rectangular frame 71, the moving assembly 74 drives the two moving supports 73 to move above the top openings of the mineral sand hopper 2 and the sulfur hopper 3 respectively, the water supply hard pipes 75 and the water spray heads 77 are located above the mineral sand hopper 2 or the sulfur hopper 3, the water supply soft pipes 76 are connected to the water supply equipment away from one end of the water supply hard pipes 75, and the load rack 1 leaves a gap between the mineral sand hopper 2 and the sulfur hopper 3 for the safe stay of the two moving supports 73 before and after work.

[0037] By adopting the hopper cleaning mechanism 7 composed of the movable moving supports 73, the water supply hard pipes 75 and the water supply soft pipes 76, and the water spray heads 77, not only the automatic cleaning effect of the mineral sand hopper 2 and the sulfur hopper 3 can be realized, but also the load rack 1 leaves a gap between the mineral sand hopper 2 and the sulfur hopper 3 for the safe stay of the two moving supports 73 before and after work, thereby avoiding the influence of the moving supports 73 on the unloading and loading tasks of the mineral sand hopper 2 and the sulfur hopper 3. Among them, the two pairs of track wheels three 731 are rotatably arranged on the moving supports 73, and the two pairs of track wheels three 731 are respectively located on the two edge rods in the rectangular frame 71 to roll, which can effectively guarantee the stable movement of the moving supports 73

[0038] Further, the moving assembly 74 comprises an inverted L-shaped long plate 741 fixed to the top of the load-bearing rack 1, a pair of pulleys 742 rotatably arranged on one side of the vertical part of the inverted L-shaped long plate 741, a servo motor 743 driving the rotation of one pulley 742, a belt 744 sleeved on the pulleys 742, and a pair of connecting members 745 respectively fixed to the two moving supports 73 and respectively connected to the upper and lower parts of the belt 744 at one end. The belt 744 is located below the horizontal part of the inverted L-shaped long plate 741, the servo motor 743 is fixed to the other side of the vertical part of the inverted L-shaped long plate 741, and the output end of the servo motor 743 penetrates through the vertical part of the inverted L-shaped long plate 741 and is connected to the pulley 742. By adopting the above moving assembly 74, the two moving supports 73 can be synchronously and reversely moved, and then the water conveying and spraying structure such as the water conveying hard pipe 75 and the water spraying head 77 can be used to quickly spray and clean the inside of the mineral sand hopper 2 and the vulcanization hopper. The end of the inverted L-shaped long plate 741 extends out of the top of the load-bearing rack 1, the servo motor 743 is installed beside the end of the inverted L-shaped long plate 741, and a protective cover 741a is fixedly arranged on the side wall of the inverted L-shaped long plate 741 to cover the servo motor 743. The protective cover 741a can effectively protect the servo motor 743, avoid the contact between the sulfur or mineral sand and the shell of the servo motor 743, and prevent the corrosion and wear of the shell of the servo motor 743.

Claims

1. A rail-mounted car loading twin-hopper characterized by, The utility model provides a kind of sulfur loading and unloading device, including load carrier (1), ore hopper (2), sulfur hopper (3), travelling mechanism (4), the load carrier (1) is two-layer structure, and load carrier (1) first layer is for vehicle to pass through, second layer fixed support ore hopper (2) and sulfur hopper (3), the ore hopper (2) is inverted ladder shape, and the second layer of load carrier (1) is provided with hopper door mechanism one (5) that closes and opens the discharge port of ore hopper (2), the sulfur hopper (3) is inverted cone structure, and sulfur hopper (3) outside wall is provided with hopper door mechanism two (6) that closes and opens the discharge port of sulfur hopper (3), the travelling mechanism (4) includes four track wheels one (41) rotatably mounted on the bottom of load carrier (1), a pair of fixed screw lifting column foot (42) on the bottom of load carrier (1), four the track wheels one (41) are evenly distributed in the four corners of load carrier (1), and can support load carrier (1) along the track linear movement of wharf, two the screw lifting column foot (42) are located in the middle of the bottom of load carrier (1), and when load carrier (1) is not moved, top to ground fixed and support load carrier (1).

2. A rail-mounted car loading double hopper as defined in claim 1, wherein: The hopper door mechanism one (5) includes movable trolley (51) movably arranged on the second layer of load carrier (1), movable hopper door plate one (52) fixedly arranged on movable trolley (51), electric hydraulic push rod one (53) for driving movable trolley (51) to approach or away from the discharge port of ore hopper (2), the movable hopper door plate one (52) and the end surface of the discharge port of ore hopper (2) are mutually inclined parallel, and when the top of movable hopper door plate one (52) contacts the end surface of the discharge port of ore hopper (2), the discharge port of ore hopper (2) can be completely covered, the main body of electric hydraulic push rod one (53) is hingedly connected to the second layer of load carrier (1), and the head of the telescopic rod of electric hydraulic push rod one (53) is hingedly connected to movable trolley (51).

3. A rail-mounted car loading twin hopper according to claim 2, wherein: The movable trolley (51) includes shovel-shaped car body (511), a pair of U-shaped support plates (512), the movable hopper door plate one (52) is fixed in the inside of shovel-shaped car body (511), the U-shaped support plate (512) is rotatably installed with track wheel two (512a) on both sides, the second layer of load carrier (1) is fixedly provided with guide rail (11) for the rolling of track wheel two (512a), the bottom of shovel-shaped car body (511) is fixedly provided with two pairs of guide rods (511a), two the U-shaped support plates (512) are respectively fixedly provided with sleeve (512b) for the sliding insertion of two pairs of guide rods (511a) in the middle, the inside of sleeve (512b) is provided with spring (512c), and the both ends of spring (512c) are respectively connected U-shaped support plate (512) wall and guide rod (511a) bottom wall, the head of the telescopic rod of electric hydraulic push rod one (53) is hingedly connected to the bottom of one U-shaped support plate (512).

4. A rail-mounted car loading double hopper as defined in claim 1, wherein: The second gate mechanism (6) comprises a movable gate plate two (61) slidingly arranged on the outer side wall of the sulfur hopper (3), and an electric hydraulic push rod two (62) driving the movable gate plate two (61) to slide, the discharge port of the sulfur hopper (3) and the movable gate plate two (61) are located on the same slope of the sulfur hopper, and the area of the movable gate plate two (61) is larger than that of the discharge port of the sulfur hopper (3), the lowest point of the discharge port of the sulfur hopper (3) is flush with the bottom of the sulfur hopper (3), and when the lower end of the movable gate plate two (61) is flush with the bottom of the sulfur hopper (3), the discharge port of the sulfur hopper (3) can be completely covered, and the main body of the electric hydraulic push rod two (62) is hingedly connected with the outer side wall of the sulfur hopper (3), and the head of the telescopic rod of the electric hydraulic push rod two (62) is hingedly connected with the movable gate plate two (61).

5. A rail-mounted car loading twin hopper according to claim 4, wherein: A pair of limiting baffle plates (31) are fixedly arranged on the outer side wall of the sulfur hopper (3), and the discharge port of the sulfur hopper (3) is located between the two limiting baffle plates (31), the movable gate plate two (61) slides up and down between the two limiting baffle plates (31), and the two sides of the movable gate plate two (61) respectively slide and contact the side walls of the two limiting baffle plates (31), and a plurality of limiting guide wheels (32) are rotatably arranged on the side of the limiting baffle plate (31) close to the discharge port of the sulfur hopper (3), and the limiting guide wheels (32) press the movable gate plate two (61) to tightly abut against the side wall of the sulfur hopper (3).

6. A rail-mounted car loading double hopper as defined in claim 1, wherein: It also includes a guide plate (12), one end of the guide plate (12) is hingedly connected with the side of the bearing hopper frame (1) close to the ship, and the guide plate (12) and the bearing hopper frame (1) are hingedly connected with a support rod (13), and the guide plate (12) is inclined to one side of the bearing hopper frame (1) under the support of the support rod (13).

7. A rail-mounted car loading double hopper as defined in claim 1 wherein: It also includes a hopper cleaning mechanism (7), the hopper cleaning mechanism (7) includes a rectangular frame (71), a plurality of support legs (72) connecting the rectangular frame (71) and the top of the bearing hopper frame (1), a pair of moving supports (73) movably arranged on the rectangular frame (71), a moving assembly (74) driving the two moving supports (73) to move relative to each other, a pair of water delivery hard pipes (75) respectively fixed to the bottoms of the two moving supports (73), a pair of water delivery soft pipes (76) respectively connecting one ends of the two water delivery hard pipes (75), and a plurality of water spray heads (77) uniformly arranged on the outer side wall of the water delivery hard pipe (75) and opening downward, the top openings of the mineral sand hopper (2) and the sulfur hopper (3) are located in the middle of the rectangular frame (71), the moving assembly (74) drives the two moving supports (73) to move above the top openings of the mineral sand hopper (2) and the sulfur hopper (3) respectively, the water delivery hard pipe (75) and the water spray head (77) are located above the mineral sand hopper (2) or the sulfur hopper (3), and one end of the water delivery soft pipe (76) away from the water delivery hard pipe (75) is connected with a water supply device.

8. A rail-mounted car loading double hopper according to claim 7, characterized in that: Two pairs of track wheels three (731) are rotatably arranged on the moving supports (73), and the two pairs of track wheels three (731) are respectively located on two edge rods in the rectangular frame (71) to roll.

9. A rail-mounted car loading double hopper as defined in claim 7, wherein: The moving assembly (74) comprises an inverted L-shaped long plate (741) fixed on the top of the load-bearing gantry (1), a pair of belt wheels (742) rotatably arranged on one side of the vertical part of the inverted L-shaped long plate (741), a servo motor (743) for driving the rotation of one belt wheel (742), a belt (744) sleeved on the belt wheels (742), a pair of connecting pieces (745) respectively fixed on the two moving supports (73) and respectively connected to the upper and lower parts of the belt (744) at one end, the belt (744) is located below the horizontal part of the inverted L-shaped long plate (741), the servo motor (743) is fixed on the other side of the vertical part of the inverted L-shaped long plate (741), and the output end of the servo motor (743) penetrates through the vertical part of the inverted L-shaped long plate (741) and is connected to the belt wheel (742).

10. A rail-mounted car loading twin-hopper according to claim 9, characterized in that: One end of the inverted L-shaped long plate (741) extends out of the top of the load-bearing gantry (1), and the servo motor (743) is installed beside the end of the inverted L-shaped long plate (741), and a protective cover (741a) covering the servo motor (743) is fixed on the side wall of the inverted L-shaped long plate (741).

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