A powder unloading equipment for container dump truck

Abstract

The invention discloses a container dump truck powder unloading device, comprising a follow-up lifting mechanism (13) connected to a container, a telescopic hopper mechanism (12) installed on a lifting beam (131) of the follow-up lifting mechanism (13), and a gas-locking rotary valve (15) whose feeding port (153) is connected to the rear end of a barrel (122) of the telescopic hopper mechanism (12) and is installed on a frame (138) of the follow-up lifting mechanism (13); a material outlet (155) of the gas-locking rotary valve (15) is connected to a storage silo (4); an air inlet (156) of the gas-locking rotary valve (15) is connected to an air source; a front end of a barrel (122) of the telescopic hopper mechanism (12) can be sealed and connected to a material outlet (211) of a container liner bag (21); and when the container is turned over, the lifting beam (131) can be driven to lift vertically and the frame (138) can be driven to move horizontally. The powder unloading equipment of the container dump truck effectively expands the material drop, and there is no discharge blockage during unloading, ensuring smooth unloading.

Description

Technical Field

[0001] The invention relates to the technical field of powder pneumatic conveying, in particular to powder unloading equipment for a container dump truck. Background Art

[0002] Currently, in the field of transport packaging, when loading dry bulk cargo, the common shipping and trucking methods have the problems of environmental pollution and multiple transshipment and loading and unloading, so the conversion from bulk to container has become a global trend.

[0003] The transportation of powder and granular materials in packaging bags is gradually decreasing with the use of small bags and ton bags. The main problem is that the packaging and loading and unloading costs are very high, and the transportation cycle is long.

[0004] Standard container bulk transportation uses sea bags to turn hundreds of small packaging bags or dozens of ton bags into a large container liner bag. Therefore, the packaging cost and loading and unloading cost can be greatly reduced, and the waterway, road and railway lines are fully connected.

[0005] Modern logistics container transportation is becoming more and more widespread. Merchants and factories (fields) at both ends of the logistics chain use containers for material loading and shipping in increasing quantities and frequencies, widely involving flour, grain, feed, chemicals, lithium batteries and many other industries.

[0006] Container dump trucks not only meet customers' actual "door-to-door" needs, but also have a container flipping function that facilitates unloading. Therefore, they are increasingly used in the field of medium and short-distance powder transportation.

[0007] Powder and granular materials are collectively referred to as powder materials and granular materials. Generally speaking, when the container is tilted at a certain angle, most powder and granular materials can fall into the pit or other receiving ports by gravity, such as corn, soybeans, coal and other materials.

[0008] In the absence of an underground silo, this type of container dump truck is parked on the ground by itself and cannot transport materials to the high-level silo on the customer's site. It requires specially matched unloading equipment to complete the material loading, unloading and transportation tasks.

[0009] On the other hand, the fluidity of many powder materials is general, and it is difficult to complete the entire unloading work by relying solely on the downward movement of gravity caused by the inclination; such as flour, clay, zinc oxide, etc.

[0010] However, the existing container powder unloading devices have the following disadvantages: the unloading device suspended above the container is complicated to connect to the container and requires the assistance of a forklift. It is difficult for workers to operate at high altitudes, and the installation is time-consuming and labor-intensive, with low efficiency; the discharge hopper of some container powder unloading devices, that is, the sheath, is a rigid hopper made of stainless steel and other materials. In the initial stage of unloading, especially in the middle stage of unloading, the friction resistance between the materials formed by the structural characteristics of the discharge hopper and its location gradually increases, and discharge blockage often occurs, restricting the flow of materials; since the entire set of unloading devices is rigidly connected to the container to form a whole, attached and suspended above the container, the height difference of gravity falling materials is limited, which is not conducive to the smooth unloading of the container; although the floor-standing unloading device expands the height difference between the container and the unloading device, the tailings are also difficult to handle cleanly, and repeated air blowing and extrusion or manual assistance in shaking off and handling the tailings are required.

[0011] In summary, how to improve the disadvantages of the prior art container dump truck powder unloading equipment in a targeted manner is an issue that the technicians in this field urgently need to solve. Summary of the invention

[0012] The object of the present invention is to provide a powder unloading device for a container dump truck, which does not cause material discharge blockage during the unloading stage, effectively expands the material drop, and is conducive to smooth unloading of the container.

[0013] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0014] A powder unloading device for a container dump truck comprises a follow-up lifting mechanism connected to a container and having a lifting beam capable of lifting to a position parallel to a truck bed, a telescopic hopper mechanism installed on the lifting beam of the follow-up lifting mechanism, and an air-locking rotary valve whose feed port is connected to the rear end of a barrel of the telescopic hopper mechanism and is installed on a frame of the follow-up lifting mechanism, wherein the discharge port of the air-locking rotary valve is connected to a storage silo, the air inlet of the air-locking rotary valve is connected to an air source, the front end of the barrel of the telescopic hopper mechanism can be sealed and connected to the discharge port of a liner bag in the container, and the container can be turned over to drive the lifting beam to rise and fall vertically and drive the frame to move horizontally.

[0015] Preferably, the follow-up lifting mechanism includes a frame, a fixing frame fixed to one end of the frame, a top plate fixed to the top surface of the fixing frame and having a socket, a follow-up lifting rod inserted into the socket, and a lifting beam fixed to the upper end surface of the follow-up lifting rod.

[0016] Preferably, the top plate has a through hole, a nitrogen spring is inserted into the through hole, the lower end of the nitrogen spring is hinged to the frame and the upper end is hinged to the lifting beam, and the nitrogen spring is used to lift the lifting beam to a position parallel to the truck bed.

[0017] Preferably, it also includes several groups of guide wheel groups fixed in the vertical direction of the fixed frame, the side of the follower lifting rod has a strip guide rail, the strip guide rail is inserted between the two guide wheels of the guide wheel group and can slide along the guide wheel, and the follower lifting rod and the guide wheel group form a longitudinal motion pair.

[0018] Preferably, the telescopic hopper mechanism includes a support frame hinged to the lifting beam at multiple points, a support mounted on the support frame, a barrel hinged to the support, and a nylon baffle connected between the support frame and the support, the support frame has a guide rod, and the support can slide on the support frame along the guide rod.

[0019] Preferably, a first capstan angle adjustment mechanism is provided at one end of the air locking rotary valve close to the support frame, and the support frame is softly connected to the first capstan angle adjustment mechanism through a first connecting rope. The first capstan angle adjustment mechanism is used to drive the support frame to flip, and the adjustment range of the angle θ at which the first capstan angle adjustment mechanism drives the support frame to flip is between 25° and 55°.

[0020] Preferably, a pin is provided under the support, and a second capstan angle adjustment mechanism is provided on the frame. The pin is softly connected to the second capstan angle adjustment mechanism through a second connecting rope, and the second capstan angle adjustment mechanism is used to drive the support to slide along the guide rod.

[0021] Preferably, it also includes two sets of bottom lock swing mechanisms for connecting the powder unloading equipment of the container dump truck to the two corner pieces at the bottom of the container, the two sets of bottom lock swing mechanisms are respectively arranged at the two ends of the lifting beam, and the bottom lock swing mechanism includes a locking component and a swing component.

[0022] The swing assembly includes a swing shaft whose rear end is fixedly connected to the inner surface of the lifting beam, a swing shaft sleeve which is connected to the swing shaft and whose front end is fixed to the swing shaft through a standard part, and a swing shaft seat which is fixedly connected to the swing shaft sleeve. The lower lock fixing plate of the swing shaft seat has a mounting hole.

[0023] The locking assembly includes a latch lock installed in the installation hole and a front end block capable of inserting into the corner piece hole of the corner piece, a locking nut installed at the thread of the latch lock for locking the latch lock and the corner piece, and a handle connected to the rear end of the latch lock.

[0024] Preferably, it also includes a self-lubricating sleeve fixed to the lock fixing plate by screws, the self-lubricating sleeve is arranged between the fixing plate and the locking nut, the latch lock sleeve is arranged in the self-lubricating sleeve, the mounting hole is a longitudinal waist-shaped hole, the locking assembly can move in the longitudinal waist-shaped hole, the latch lock of the locking assembly can move longitudinally by a length of 0 to 50 mm, the swing shaft seat and the swing shaft sleeve can move along the swing shaft, and the locking assembly can move on the swing shaft by a length of 0 to 50 mm.

[0025] Preferably, it also includes a negative pressure suction device capable of generating negative pressure airflow, the negative pressure suction device is connected to the material accumulation hopper of the air lock rotary valve, the negative pressure suction device includes a connecting pipe with one end connected to the short pipe on the side of the material accumulation hopper of the air lock rotary valve, a venturi tube connected to the other end of the connecting pipe, a long vertical pipe connected to the upper port of the venturi tube, a short vertical pipe connected to the lower port of the venturi tube, a horizontal pipe connected to both the short vertical pipe and the lower port of the long vertical pipe, a first butterfly valve installed at the connection between the material accumulation hopper and the filter bag of the air lock rotary valve, a second butterfly valve installed on the connecting pipe, a third butterfly valve installed on the long vertical pipe, a fourth butterfly valve installed on the short vertical pipe, and a fifth butterfly valve installed on the horizontal pipe between the long vertical pipe and the short vertical pipe, one end of the horizontal pipe is connected to the air inlet of the air lock rotary valve, and the other end is connected to the output hose.

[0026] Preferably, a traveling wheel is installed under the base of the air locking rotary valve, and the traveling wheel is on the strip guide rail of the frame and can move along the strip guide rail. An anti-turnover positioning frame is provided on the frame, and the anti-turnover positioning frame has a plurality of positioning holes. The base of the air locking rotary valve has a positioning port that matches the positioning hole. After the position of the air locking rotary valve is adjusted, the positioning hole and the positioning port are connected in real time through a positioning pin.

[0027] The container dump truck powder unloading equipment provided by the present invention includes a follow-up lifting mechanism, a telescopic hopper mechanism and an air-locking rotary valve. The follow-up lifting mechanism is connected to the container, and the lifting beam of the follow-up lifting mechanism can be lifted to a position parallel to the truck bed of the container. The telescopic hopper mechanism is installed on the lifting beam of the follow-up lifting mechanism, and the front end of the barrel of the telescopic hopper mechanism can be sealed and connected with the material outlet of the liner bag in the container. The air-locking rotary valve is installed on the frame of the follow-up lifting mechanism, the feed port of the air-locking rotary valve is connected to the rear end of the barrel of the telescopic hopper mechanism, the discharge port of the air-locking rotary valve is connected to the storage silo, and the air inlet of the air-locking rotary valve is connected to the air source.

[0028] During the unloading process, the container is constantly flipped, and the container flipping can drive the lifting beam to descend vertically and drive the frame to move horizontally outward, that is, the container dump truck powder unloading equipment is pulled outward horizontally by a set distance.

[0029] By applying the technical solution provided in the embodiment of the present invention, the follow-up lifting mechanism of the powder unloading equipment of the container dump truck is flexibly connected to the container, and the follow-up lifting mechanism moves downward and outward as the container flips, effectively expanding the material drop and facilitating smooth unloading of the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only 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.

[0031] Figure 1 A schematic diagram of the structure of a container dump truck powder unloading device provided in a specific embodiment of the present invention;

[0032] Figure 2 It is a first connection diagram of the container dump truck powder unloading equipment and the container dump truck;

[0033] Figure 3 It is a second connection schematic diagram of the container dump truck powder unloading equipment and the container dump truck;

[0034] Figure 4 It is a schematic diagram of the third connection between the powder unloading equipment of the container dump truck and the container dump truck;

[0035] Figure 5 A first schematic diagram of a container flipping of a container dump truck;

[0036] Figure 6 A second schematic diagram of a container flipping of a container dump truck;

[0037] Figure 7 A schematic diagram of the air lock rotary valve close to the inner side;

[0038] Figure 8 It is a schematic diagram of the air lock rotary valve near the outside;

[0039] Fig. 9 It is a structural schematic diagram of the follow-up lifting mechanism;

[0040] Fig.10 It is an exploded schematic diagram of the follow-up lifting mechanism;

[0041] Fig.11 It is a connection diagram of the follow-up lifting mechanism and the telescopic hopper mechanism;

[0042] Fig.12 It is a structural schematic diagram of the telescopic hopper mechanism;

[0043] Fig.13 It is a schematic diagram of the inclination adjustment of the support frame of the telescopic hopper mechanism;

[0044] Fig.14 It is a structural schematic diagram of the bottom lock swing mechanism;

[0045] Fig.15 It is an axonometric view of the negative pressure suction device;

[0046] Fig.16 It is a front view of the negative pressure suction device;

[0047] Fig.17 This is a flow chart of the unloading method of the powder unloading equipment for container dump trucks.

[0048] The following are marked in the accompanying drawings:

[0049] Container dump truck powder unloading equipment 1, container dump truck 2, output hose 3, storage silo 4, bottom lock swing mechanism 11, telescopic hopper mechanism 12, follow-up lifting mechanism 13, negative pressure suction device 14, air lock rotary valve 15, anti-rollover positioning frame 16, positioning pin 17, container liner bag 21, corner piece 22, swing shaft seat 110, swing shaft 111, swing shaft sleeve 112, lock fixing plate 113, latch lock 114, handle 115, locking nut 116, self-lubricating sleeve 117, hexagon socket head screw 118, flat washer 1191, hexagon bolt 1192, non-standard washer 1193, spring washer 1194, support frame 121, barrel 122, support 123, nylon stop Plate 124, pin shaft 125, first capstan angle adjustment mechanism 126, second capstan angle adjustment mechanism 127, lifting beam 131, follow-up lifting rod 132, nitrogen spring 133, top plate 134, guide wheel group 135, fixed frame 136, wheel 137, frame 138, reinforcement plate 139, first butterfly valve 140, connecting pipe 141, second butterfly valve 142, long vertical pipe 143, third butterfly valve 144, fifth butterfly valve 145, horizontal pipe 146, fourth butterfly valve 147, short vertical pipe 148, venturi tube 149, filter bag 151, material hopper 152, feed port 153, walking wheel 154, discharge port 155, air inlet 156, material discharge port 211, strip guide rail 1381. DETAILED DESCRIPTION

[0050] The core of the present invention is to provide a powder unloading device for a container dump truck, which does not cause material discharge blockage during the unloading stage, effectively expands the material drop, and is conducive to smooth unloading of the container.

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0052] Please refer to Figures 1 to 17 , Figure 1 A schematic diagram of the structure of a container dump truck powder unloading device provided in a specific embodiment of the present invention; Figure 2 It is a first connection diagram of the container dump truck powder unloading equipment and the container dump truck; Figure 3 It is a second connection schematic diagram of the container dump truck powder unloading equipment and the container dump truck; Figure 4 It is a schematic diagram of the third connection between the powder unloading equipment of the container dump truck and the container dump truck; Figure 5 A first schematic diagram of a container flipping of a container dump truck; Figure 6 A second schematic diagram of a container flipping of a container dump truck; Figure 7 A schematic diagram of the air lock rotary valve close to the inner side; Figure 8 It is a schematic diagram of the air lock rotary valve near the outside; Fig. 9 It is a structural schematic diagram of the follow-up lifting mechanism; Fig.10 It is an exploded schematic diagram of the follow-up lifting mechanism; Fig.11 It is a connection diagram of the follow-up lifting mechanism and the telescopic hopper mechanism; Fig.12 It is a structural schematic diagram of the telescopic hopper mechanism; Fig.13 It is a schematic diagram of the inclination adjustment of the support frame of the telescopic hopper mechanism; Fig.14 It is a structural schematic diagram of the bottom lock swing mechanism; Fig.15 It is an axonometric view of the negative pressure suction device; Fig.16 It is a front view of the negative pressure suction device; Fig.17 This is a flow chart of the unloading method of the powder unloading equipment for container dump trucks.

[0053] In a specific embodiment, the container dump truck powder unloading equipment provided by the present invention includes a follow-up lifting mechanism 13 connected to the container and whose lifting beam 131 can be lifted to a position parallel to the truck bed, a telescopic hopper mechanism 12 installed on the lifting beam 131, and a gas locking rotary valve 15 whose feed port 153 is connected to the rear end of the barrel 122 of the telescopic hopper mechanism 12 and is installed on the frame 138 of the follow-up lifting mechanism 13, the discharge port 155 of the gas locking rotary valve 15 is connected to the storage silo 4, the air inlet 156 of the gas locking rotary valve 15 is connected to the air source, the front end of the barrel 122 can be sealed and connected to the material discharge port 211 of the container liner bag 21, and the container flipping can drive the lifting beam 131 to lift vertically and drive the frame 138 to move horizontally.

[0054] In the above structure, the container dump truck powder unloading equipment 1 includes a follow-up lifting mechanism 13, a telescopic hopper mechanism 12 and an air-locking rotary valve 15. The follow-up lifting mechanism 13 is connected to the container, and the lifting beam 131 of the follow-up lifting mechanism 13 can be lifted to a position parallel to the truck board. The telescopic hopper mechanism 12 is installed on the lifting beam 131 of the follow-up lifting mechanism 13, and the front end of the barrel 122 of the telescopic hopper mechanism 12 can be sealed and connected with the material outlet 211 of the container liner bag 21. The air-locking rotary valve 15 is installed on the frame 138 of the follow-up lifting mechanism 13, and the feed port 153 of the air-locking rotary valve 15 is connected to the rear end of the barrel 122 of the telescopic hopper mechanism 12, and the discharge port 155 of the air-locking rotary valve 15 is connected to the storage silo 4 through the output hose 3, and the air inlet 156 of the air-locking rotary valve 15 is connected to the air source.

[0055] The above-mentioned container flipping can drive the lifting beam 131 to lift vertically and drive the frame 138 to move horizontally, which means that: during the unloading process, the container is continuously flipped, and the container flipping can drive the lifting beam 131 to descend vertically and drive the frame 138 to move horizontally outward, that is, the horizontal position of the container dump truck powder unloading equipment 1 is pulled outward by a set distance.

[0056] The specific unloading process is as follows:

[0057] Initial stage of unloading: container tilt angle 0~10°:

[0058] The container dump truck 2 slowly raises its inclination angle from the horizontal position, and its overturning pressure is transmitted to the follow-up lifting mechanism 13, and drives the container dump truck powder unloading equipment 1 to move downward and outward.

[0059] When the container is gradually turned over (0-10°), the material flows into the air lock rotary valve 15 from the material outlet 211 of the container liner bag 21 and is sent out.

[0060] Unloading intermediate stage: container tilt angle 10-30° (maximum 60°, depending on material fluidity):

[0061] The force transmission path of the container dump truck powder unloading equipment 1 is the same as above.

[0062] During unloading, the follow-up lifting mechanism 13 moves downward with the turning of the container, and the horizontal force pushes the container dump truck powder unloading device 1 to move outward. The container dump truck powder unloading device 1 is pulled outward in the horizontal position, and the air lock rotary valve 15 gradually moves from the innermost end to the outermost end.

[0063] Equipment dismantling stage: the container tilt angle is restored to 0°:

[0064] The container truck lays down the container body, stops the machine, dismantles the powder unloading equipment 1 for the container dump truck, and transports the powder unloading equipment 1 for the container dump truck to a storage location for standby use.

[0065] By applying the technical solution provided in the embodiment of the present invention, the follow-up lifting mechanism 13 of the powder unloading equipment 1 of the container dump truck is flexibly connected to the container, and the follow-up lifting mechanism 13 moves downward and outward as the container flips, effectively expanding the material drop and facilitating smooth unloading of the container.

[0066] On the basis of the above specific implementation, the follow-up lifting mechanism 13 includes a frame 138, a fixed frame 136, a top plate 134, a follow-up lifting rod 132 and a lifting beam 131. The fixed frame 136 is fixed to one end of the frame 138 close to the container. The fixed frame 136 is specifically two vertical columns, which are arranged on both sides of the frame 138. The top plate 134 is fixed to the top surface of the fixed frame 136 to connect the two vertical columns. There is a socket on the top plate 134, and the follow-up lifting rod 132 is inserted into the socket. The follow-up lifting rod 132 can move up and down in the socket. The barrel 122 is installed on the lifting beam 131 of the follow-up lifting mechanism 13, and the barrel 122 moves with the lifting beam 131. The air lock rotary valve 15 is installed on the frame 138 of the follow-up lifting mechanism 13.

[0067] The lifting beam 131 is fixed to the upper end surface of the follower lifting rod 132. The lifting beam 131 can also move up and down in the socket with the follower lifting rod 132. The lifting beam 131 can be lifted to a position parallel to the truck bed. The lifting beam 131 is connected to the container, thereby connecting the follower lifting mechanism 13 to the container, and realizing the flexible connection between the follower lifting mechanism 13 of the container dump truck powder unloading equipment 1 and the container.

[0068] In the above specific embodiment, the top plate 134 has a through hole, and a nitrogen spring 133 is inserted into the through hole. The nitrogen spring 133 is a new type of elastic component commonly seen on the market. It uses high-pressure nitrogen as the working medium, has a small size, large elastic force, a long stroke, stable operation, precise manufacturing, long service life, a flat elastic curve, and does not require pre-tightening. It has the functions that are difficult to accomplish with conventional elastic components such as metal springs, rubber and air cushions.

[0069] The lower end of the nitrogen spring 133 is hinged to the frame 138, and the upper end is hinged to the lifting beam 131, which is convenient for installation and adjustment; the nitrogen spring 133 is used to lift the lifting beam 131 to a position parallel to the truck bed, and the follow-up lifting rod 132 and the lifting beam 131 can be easily lifted to a position parallel to the truck bed with the help of the nitrogen spring 133; the frame 138 and the lifting beam 131 are flexibly connected, and the pressure is constant, which ensures that the follow-up lifting rod 132 and the lifting beam 131 are stably lifted, and the service life of the follow-up lifting mechanism 13 is extended. At the same time, when the lifting beam 131 moves downward, the nitrogen spring 133 also falls back.

[0070] In another more reliable embodiment, based on any of the above embodiments, it also includes several groups of guide wheel groups 135, and the several groups of guide wheel groups 135 are arranged in the vertical direction. The guide wheel groups 135 can be one group, two groups, or multiple groups. The specific number is not limited and can be set according to different specific usage conditions.

[0071] Each guide wheel group 135 has two guide wheels, which are respectively mounted on the fixing frame 136. Both guide wheels have U-shaped groove features. The side of the follower lifting rod 132 has a bar guide rail, which is inserted into the U-shaped groove between the two guide wheels of the guide wheel group 135. The bar guide rail slides along the U-shaped groove of the guide wheel, and the follower lifting rod 132 and the guide wheel group 135 form a longitudinal motion pair.

[0072] The huge pressure brought by the container flipping drives the lifting beam 131 to move downward on the longitudinal motion pair composed of the guide wheel group 135 and the strip guide rail. There is sliding friction between the lifting beam 131 and the guide wheel, and the friction force is relatively small.

[0073] Preferably, the guide wheel is a steel wheel, and the bar guide rail is a bar steel rail, so as to further reduce the friction between the lifting beam 131 and the guide wheel.

[0074] The above-mentioned follow-up lifting mechanism 13 is only a preferred solution, and is not limited thereto. On this basis, targeted adjustments can be made according to actual needs to obtain different implementation methods. A reinforcing plate 139 is welded to the upper end of the fixing frame 136, connecting the vertical columns on both sides of the fixing frame 136 as a whole to enhance the strength of the fixing frame 136. The reinforcing plate 139 is fixed to the top plate 134, and at the same time connects the top plate 134 and the fixing frame 136 as a whole, thereby enhancing the strength of the top plate 134 and the fixing frame 136, enhancing the strength of the top plate 134, and ensuring the stability of the top plate 134.

[0075] The follow-up lifting mechanism 13 provided by the present invention has four wheels 137 installed under the frame 138 when other parts remain unchanged. The four wheels 137 are installed at the four corners of the frame 138. The frame 138 is driven to move by the wheels 137, and the movement is convenient and fast. It should be noted that the four wheels 137 are only a preferred implementation, not the only one. The specific number of wheels 137 can be set according to different specific usage conditions, all within the protection scope of the present invention. Preferably, the wheels 137 are rubber-coated walking wheels, which have low noise and are not easy to damage the ground.

[0076] For the follow-up lifting mechanism 13 in each of the above embodiments, the insertion hole is a special-shaped hole, and the follow-up lifting rod 132 is a special-shaped lifting mechanism that matches the special-shaped hole. The size of the special-shaped hole is slightly larger than that of the special-shaped lifting mechanism, which not only makes it easy for the special-shaped lifting mechanism to be inserted into the special-shaped hole, but also the special-shaped hole has a good limiting effect on the special-shaped lifting mechanism. The nitrogen spring 133 is a circular spring, and the through hole is a circular hole. The nitrogen spring 133 moves more smoothly in the circular hole, and the circular hole has no interference or collision with the nitrogen spring 133, thereby improving the service life of the nitrogen spring 133.

[0077] The follow-up lifting mechanism 13 provided by the present invention should not be limited to this situation. The number of the jack, the through hole, the follow-up lifting rod 132, and the nitrogen spring 133 is two, which are respectively arranged on both sides of the top plate 134. Preferably, they are symmetrically distributed, and both sides drive the lifting beam 131 to rise and fall at the same time, and the movement is smooth.

[0078] Based on the above-mentioned specific embodiments, the telescopic hopper mechanism 12 includes a support frame 121 hinged to the lifting beam 131 at multiple points, a support 123 installed on the support frame 121, and a barrel 122 hinged to the support 123. The support frame 121 is provided with a guide rod, and the support 123 can slide on the support frame 121 along the guide rod.

[0079] In the above structure, the telescopic hopper mechanism 12 includes a support frame 121, a support 123, a barrel 122, and a nylon baffle 124. The telescopic hopper mechanism 12 is installed on the lifting beam 131 of the container dump truck powder unloading equipment 1. The lifting beam 131 can be lifted to a position parallel to the truck bed, and the bottom lock swing mechanism 11 at both ends of the lifting beam 131 is docked and connected with the container corner piece 22. The container flipping can drive the lifting beam 131 to lift vertically and drive the frame 138 of the container dump truck powder unloading equipment 1 to move horizontally.

[0080] The support frame 121 is hinged to the lifting beam 131 at multiple points, and the barrel 122 is hinged to the support 123. The barrel 122 can rotate around the support 123 to adjust the angle between the axial direction of the barrel 122 and the vertical direction. The barrel 122 can tilt and slide, and the initial position and angle of the barrel 122 can be adjusted.

[0081] In the unloading preparation stage, the front end of the barrel 122 is sealed and connected to the material outlet 211 of the container liner bag 21. By adjusting the position and angle of the barrel 122, the front end of the barrel 122 can be connected to the material outlet 211 of the container liner bag 21 more conveniently. The rear end of the barrel 122 is connected to the feed port 153 of the air lock rotary valve 15 through a transition hose, which is convenient to connect and the material flow is relatively smooth. After the connection is completed, the operator climbs up the safety ladder and unties the exhaust hole tie of the container liner bag 21, and the unloading connection preparation work is completed.

[0082] A telescopic hopper mechanism 12 is used in conjunction with a container liner bag 21. The sea bag hopper is not pulled out in the initial and intermediate stages of unloading. During the unloading process, the hopper shrinks to the material outlet 211 of the container liner bag 21, and only the sea bag discharge pipe section is used. In the tailings processing stage, a sea bag hopper made of engineering plastic materials such as PE, PP, or PVC is pulled out onto the support frame 121 of the telescopic hopper mechanism 12 to centrally process the tailings.

[0083] In the initial stage of unloading, the container is slowly lifted from the horizontal position to an angle of 0 to 10 degrees. During the gradual overturning of the container, the material flows into the air lock rotary valve 15 from the material outlet 211 of the container liner bag 21 and is then sent out. In the middle stage of unloading, the container is usually tilted at 10 to 30 degrees, with a maximum tilt of 60 degrees. The specific tilt is determined according to the fluidity of the material.

[0084] The support frame 121 and the lifting beam 131 are hinged at multiple points, for example, three hinge points are set, and the support frame 121 can rotate around the lifting beam 131 along the hinge points, so that the angle between the support frame 121 and the vertical direction can be adjusted. The support 123 is installed on the support frame 121, and the barrel 122 is installed on the support 123. The rotation of the support frame 121 can drive the barrel 122 to rotate, thereby adjusting the angle between the support frame 121 and the barrel 122. In the initial stage and the middle stage of unloading, not only can the smooth flow of materials be maintained by adjusting the inclination angle of the container, but also the angle between the barrel 122 and the vertical direction can be adjusted to further help the smooth movement of materials without discharge blockage.

[0085] In the above specific embodiment, the air lock rotary valve 15 is provided with a first capstan angle adjustment mechanism 126 at one end close to the support frame 121, and the support frame 121 is softly connected to the first capstan angle adjustment mechanism 126 through a first connecting member. Specifically, the first connecting member can be a connecting rope or a connecting chain lock. The first capstan angle adjustment mechanism 126 is used to drive the support frame 121 to flip. It has a simple structure, is easy to connect, and is easy to operate. The friction between the first connecting member and the support frame 121 is small, and it is more labor-saving to drive the support frame 121 to flip. When unloading, slowly tighten the first capstan angle adjustment mechanism 126 in the telescopic hopper mechanism 12 to make the angle of the support frame 121 in the telescopic hopper mechanism 12 appropriate, maintain the best state of the hopper holding the container liner bag 21, and adjust the horizontal angle of the flexible telescopic hopper mechanism 12 by the capstan. By adjusting the angle of the support frame 121, the material can be helped to move smoothly.

[0086] To further optimize the above technical solution, the first capstan angle adjustment mechanism 126 drives the support frame 121 to flip, and the angle θ adjustment range is any value between 25° and 55°, including the endpoint value. Usually the initial angle of the angle θ is 25°. At this time, the maximum angle between the support frame 121 and the vertical direction reaches between 50° and 80°. The inclination angle is appropriate, which facilitates the flow of materials.

[0087] In another more reliable embodiment, on the basis of any of the above embodiments, the support frame 121 is provided with a guide rod, the direction of the guide rod is the same as the moving direction of the support 123 on the support frame 121, and the support 123 can slide along the guide rod on the support frame 121. The guide rod not only has a guiding function, but also can strengthen the strength of the support frame 121 and reinforce the support frame 121. It should be noted that the number of guide rods is not limited, and the guide rods can be three round tubes arranged in the middle of the support frame 121. The support 123 can slide along the three middle round tubes on the support frame 121. The support 123 is connected by three guide rods, and the support 123 can be stably positioned. The support 123 is symmetrically mounted on the support frame 121, and the left and right forces are evenly applied, and the support frame 121 is not easily deformed. Of course, connecting rods connecting the two ends of the support frame 121 can be added on both sides of the guide rod to further reinforce the support frame 121.

[0088] To further optimize the above technical solution, a pin 125 is provided below the support 123, and a second capstan angle adjustment mechanism 127 is provided on the frame 138. The pin 125 and the second capstan angle adjustment mechanism 127 are softly connected to the second capstan angle adjustment mechanism 127 through a second connecting piece. The second capstan angle adjustment mechanism 127 is rotated, and the second capstan angle adjustment mechanism 127 drives the support 123 to slide along the guide rod, that is, drives the barrel 122 to slide along the guide rod. Pull the support 123 upward to the top near the container, rotate the barrel 122 to insert into the powder material, and make the front end of the barrel 122 sealedly connected to the material outlet 211 of the container liner bag 21; the rear end of the barrel 122 is connected to the front end of the transition hose, and the rear end of the transition hose is connected to the feed port 153 of the air lock rotary valve 15. Slowly release the second capstan angle adjustment mechanism 127 in the telescopic hopper mechanism 12, and the second capstan angle adjustment mechanism 127 drives the support 123 to slide along the guide rod, so that the support 123 and the barrel 122 drive the container liner bag 21 hopper to move downward together, thereby connecting the barrel 122 and the material outlet 211 of the container liner bag 21, which is easy to operate. Similar to the first connecting member, the second connecting member can also be a connecting rope or a connecting chain lock, with a simple structure and easy connection. The friction between the second connecting member and the pin 125 of the support 123 is small, and it is more labor-saving to drive the support 123 to move.

[0089] The specific steps are: slowly release the second capstan angle adjustment mechanism 127 in the telescopic hopper mechanism 12, so that the support 123 together with the barrel 122 drives the container liner bag 21 hopper to move downward; at the same time, slowly tighten the first capstan angle adjustment mechanism 126 in the telescopic hopper mechanism 12, so that the angle of the support frame 121 in the telescopic hopper mechanism 12 is appropriate, maintaining the best state of supporting the container liner bag 21 hopper.

[0090] The telescopic hopper mechanism 12 provided by the present invention, when other components remain unchanged, further includes a nylon baffle 124, a column is fixed to the front end of the support frame 121, one end of the nylon baffle 124 is connected to the column, and the other end is connected to the support 123, and the column and the support 123 keep the nylon baffle 124 flat. When unloading, the discharge end of the container liner bag 21 is pressed on the support frame 121, and the nylon baffle 124 holds up the front end of the container liner bag 21 to prevent the container liner bag 21 from sliding down along the support frame 121.

[0091] For the telescopic hopper mechanism 12 in each of the above embodiments, the front end of the barrel 122 has serrations, which makes it easy for the front end of the barrel 122 to be inserted into the powder material at the material outlet 211 of the container liner bag 21, and the connection is relatively firm. The support frame 121 is trapezoidal in shape as a whole, which saves space, and is easy to operate to connect the barrel 122 and the container liner bag 21, and is not easy to scratch the operator.

[0092] On the basis of the above-mentioned specific embodiments, it also includes two sets of bottom lock swing mechanisms 11 for connecting the container dump truck powder unloading equipment 1 to the two corner pieces 22 at the bottom of the container. The two sets of bottom lock swing mechanisms 11 are respectively arranged at the two ends of the lifting beam 131. The bottom lock swing mechanism 11 includes a locking component and a swing component.

[0093] The swing assembly includes a swing shaft 111 whose rear end is fixedly connected to the inner surface of the lifting beam 131, a swing shaft sleeve 112 which is fittedly connected to the swing shaft 111 and whose front end is fixed to the swing shaft 111 through a standard part, and a swing shaft seat 110 which is fixedly connected to the swing shaft sleeve 112. The lower lock fixing plate 113 of the swing shaft seat 110 has a mounting hole.

[0094] The locking assembly includes a latch lock 114 installed in the installation hole and having a front end block capable of being inserted into the corner piece hole of the corner piece 22, a locking nut 116 installed at the thread of the latch lock 114 for locking the latch lock 114 and the corner piece 22, and a handle 115 connected to the rear end of the latch lock 114.

[0095] In the above structure, two sets of bottom lock swing mechanisms 11 are respectively arranged at the two ends of the lifting beam 131 of the container dump truck powder unloading equipment 1, and the bottom lock swing mechanism 11 includes a locking component and a swing component.

[0096] The swing assembly includes a swing shaft 111, a swing shaft sleeve 112, and a swing shaft seat 110. The rear end of the swing shaft 111 is fixedly connected to the inner surface of the lifting beam 131, and the bottom lock swing mechanism 11 is connected to the lifting beam 131. The swing shaft sleeve 112 is sleeved on the swing shaft 111, and the swing shaft sleeve 112 is sleeved and connected to the swing shaft 111. The middle part of the swing shaft 111 has a baffle, and the swing shaft sleeve 112 is inserted from the front end of the swing shaft 111, and one end of the swing shaft sleeve 112 is pressed against the baffle. The front end of the swing shaft 111 has an external thread, and the external thread is connected to a standard part, and the swing shaft sleeve 112 is connected to the swing shaft 111 through the standard part. The swing shaft seat 110 is fixedly connected to the swing shaft sleeve 112, and the lower part of the swing shaft seat 110 is a lock fixing plate 113, and the lock fixing plate 113 has a mounting hole.

[0097] The locking assembly includes a latch lock 114, a locking nut 116, and a handle 115. The latch lock 114 is installed in the installation hole of the lock fixing plate 113. The front end of the latch lock 114 has a card block. The outer contour of the card block is the same as the shape of the corner piece hole of the corner piece 22, and is smaller than the corner piece hole. It can enter and exit the corner piece hole and rotate in the corner piece hole.

[0098] When the lifting beam 131 is lifted to a position parallel to the truck bed, the block of the latch lock 114 is inserted into the corner piece hole of the corner piece 22 .

[0099] The handle 115 is connected to the rear end of the latch lock 114. After the front end of the latch lock 114 is inserted into the hole of the angle piece, the handle 115 is rotated 90 degrees to clamp the clamping block of the latch lock 114 in the hole of the angle piece.

[0100] The latch lock 114 has a thread in the middle, and a locking nut 116 is installed on the thread of the latch lock 114. The locking nut 116 locks the latch lock 114 and the corner piece 22 to achieve a safe connection between the locking assembly and the two corner pieces 22 at the bottom of the standard container.

[0101] The latch lock 114 of the bottom lock swing mechanism 11 is inserted into the two corner holes at the bottom of the container and rotated 90 degrees to lock it, thus completing the on-site installation of the container dump truck powder unloading equipment 1, and the connection is simple.

[0102] The locking assembly rotates with the corner piece 22 of the container to be unloaded around the swing shaft 111; during the unloading process, the container dump truck 2 slowly lifts the tilt angle from the horizontal position, for example, it rotates clockwise when unloading and counterclockwise when the empty container falls back. The container overturning pressure is transmitted to the latch lock 114 of the locking assembly through the corner piece 22, and then to the bottom lock swing mechanism 11, and then to the lifting beam 131 through the swing shaft 111 of the swing assembly, thereby driving the lifting beam 131 to move downward, and its horizontal component force pushes the container dump truck powder unloading equipment 1 to move outward.

[0103] After unloading is completed, the container tilt angle returns to 0°, the container truck flattens the container body, stops the machine, removes the bottom lock swing mechanism 11 and the corner piece 22 connection, and transports the container dump truck powder unloading equipment 1 to a storage location for standby use.

[0104] By applying the technical solution provided in the embodiment of the present invention, two sets of bottom lock swing mechanisms 11 are used to connect the powder unloading equipment 1 of the container dump truck to the two corner pieces 22 at the bottom of the container. After the latch lock 114 of the locking assembly connected to the lifting beam 131 is docked and inserted into the corner piece 22 of the container, the handle 115 is rotated 90° and the nut is locked with a wrench. When the container is overturned, its huge pressure is transmitted to the lifting beam 131 through the two corner pieces 22 at the bottom of the standard container, the latch lock 114 of the bottom lock swing mechanism 11, the lock fixing plate 113, the swing shaft seat 110, the swing shaft sleeve 112, and the swing shaft 111 in sequence, and rotates clockwise or counterclockwise with the overturning of the container, driving the lifting beam 131 to move up and down, realizing gravity dropping and empty box return. The bottom lock swing mechanism 11 directly and flexibly connects the powder unloading equipment 1 of the container dump truck to the bottom of the container, without the assistance of a forklift, and is convenient to connect, simple to operate, and time-saving and labor-saving.

[0105] In the above specific embodiment, a self-lubricating sleeve 117 is further included. The self-lubricating sleeve 117 is fixed to the lock fixing plate 113 by screws. The screws may be hexagon socket head screws 118, which are convenient to connect and easy to disassemble. The self-lubricating sleeve 117 is arranged between the fixing plate and the locking nut 116. The latch lock 114 is sleeved in the self-lubricating sleeve 117. The lubricant component in the self-lubricating sleeve 117 can lubricate the latch lock 114, thereby increasing the service life of the latch lock 114.

[0106] In another more reliable embodiment, based on any of the above embodiments, the mounting hole is a longitudinal waist-shaped hole, and the locking assembly can move in the longitudinal waist-shaped hole to facilitate on-site adjustment of the longitudinal error between the center of the corner piece 22 of the container dump truck and the center of the latch lock 114, thereby improving the longitudinal installation accuracy.

[0107] To further optimize the above technical solution, the length of the longitudinal movement of the latch lock 114 of the locking assembly is any value between 0 and 50 mm, including the endpoint value, such as 25 mm. The longitudinal movement length range of the latch lock 114 of the locking assembly is moderate, which is convenient for installation and improves the longitudinal installation accuracy.

[0108] For the bottom lock swing mechanism 11 in each of the above embodiments, the swing shaft seat 110 and the swing shaft sleeve 112 can move along the swing shaft 111 to facilitate on-site adjustment of the horizontal error between the center of the corner piece 22 of the container dump truck 2 and the center of the latch lock 114, thereby improving the horizontal installation accuracy.

[0109] To further optimize the above technical solution, the length that the locking component can move on the swing shaft 111 is any value between 0 and 50 mm, including the endpoint value, such as 25 mm. The length range that the locking component can move on the swing shaft 111 is moderate, which is convenient for installation and improves the installation accuracy.

[0110] The bottom lock swing mechanism 11 provided by the present invention, when other components remain unchanged, the standard parts include a non-standard washer 1193, a spring washer 1194, a flat washer 1191 and a hexagonal bolt 1192 connected to the front end of the swing shaft 111 in sequence. The non-standard washer 1193 is placed on the swing shaft seat 110, is easy to connect, can be disassembled, and is easy to adjust the length of the locking assembly moving on the swing shaft 111.

[0111] On the basis of the above-mentioned specific embodiments, it also includes a negative pressure suction device 14 capable of generating negative pressure airflow, the negative pressure suction device 14 is connected to the material accumulating hopper 152 of the air locking rotary valve 15, the feed port 153 of the air locking rotary valve 15 is connected to the material outlet 211 of the container liner bag 21 through a transition hose and a barrel 122, and the discharge port 155 of the air locking rotary valve 15 is connected to the storage silo 4 through an output hose 3.

[0112] The negative pressure suction device 14 includes a connecting pipe 141, a venturi tube 149, a long vertical pipe 143, a short vertical pipe 148, a horizontal pipe 146, and a butterfly valve. One end of the connecting pipe 141 is connected to the short pipe on the side of the material hopper 152 of the air lock rotary valve 15, the connecting port of the venturi tube 149 is connected to the other end of the connecting pipe 141, the upper end hole of the long vertical pipe 143 is connected to the upper end port of the venturi tube 149, the upper end hole of the short vertical pipe 148 is connected to the lower end port of the venturi tube 149, and the horizontal pipe 146 has two openings on the pipe body, which are respectively connected to the lower ends of the short vertical pipe 148 and the long vertical pipe 143, one end of the horizontal pipe 146 is connected to the air inlet 156 of the air lock rotary valve 15, and the other end is connected to the discharge hose 3, and the discharge hose 3 is connected to the storage silo 4.

[0113] A first butterfly valve 140 is installed at the connection between the material hopper 152 and the filter bag 151 of the air lock rotary valve 15, a second butterfly valve 142 is installed on the connecting pipe 141, a third butterfly valve 144 is installed on the long vertical pipe 143, a fourth butterfly valve 147 is installed on the short vertical pipe 148, and a fifth butterfly valve 145 is installed on the horizontal pipe 146 at a position between the long vertical pipe 143 and the short vertical pipe 148.

[0114] The negative pressure suction device 14 uses Venturi negative pressure suction to process tailings. The first butterfly valve 140 is closed, the second butterfly valve 142, the third butterfly valve 144, and the fourth butterfly valve 147 are opened, and the fifth butterfly valve 145 is closed. The airflow passes through the Venturi tube 149 to form a set negative pressure. The Venturi negative pressure range is around -30KPa.

[0115] At the same time, the barrel 122 drives the container liner bag 21 hopper to move downward together; at the same time, the angle of the barrel 122 must be appropriate to maintain the best state of supporting the container liner bag 21 hopper.

[0116] In this way, the negative pressure airflow generated by the negative pressure suction device 14 will drive the powder material to enter the feed port 153 of the air lock rotary valve 15, enter the storage hopper 152 of the air lock rotary valve 15, and continue to transport the material to the storage silo 4 through the air lock rotary valve 15 of the container dump truck powder unloading equipment 1.

[0117] This is done until the powder unloading equipment 1 of the container dump truck sucks out all the tailings in the hopper of the container liner bag 21 .

[0118] By applying the technical solution provided in the embodiment of the present invention, the negative pressure suction device 14 can be used to make the tailings be processed more cleanly and thoroughly with high efficiency, without the need for repeated air blowing and squeezing or manual assistance in shaking off the tailings.

[0119] In the above specific embodiment, the upper port of the venturi tube 149 is connected to the long vertical pipe 143 through an elbow, which has a simple structure, is easy to connect, has no sharp edges, and is not easy to scratch the staff.

[0120] To further optimize the above technical solution, the upper port of the venturi tube 149 is connected to the long vertical pipe 143 by two elbows of different sizes and a combination of large and small heads, having a variable diameter feature. The inner diameter gradually increases from the venturi tube 149 to the long vertical pipe 143. During the process of the airflow entering the venturi tube 149 from the long vertical pipe 143, the airflow cross-section becomes smaller, the airflow pressure becomes larger, and the Venturi negative pressure becomes larger, so that the tailings can be sucked up faster and better.

[0121] For the negative pressure suction device 14 in each of the above embodiments, the short vertical pipe 148 and the long vertical pipe 143 are fixed on a double-tube bracket, and the double-tube bracket is installed on the base of the air locking rotary valve 15, that is, the negative pressure suction device 14 is fixed to the base of the air locking rotary valve 15, which is convenient to fix.

[0122] The negative pressure suction device 14 provided by the present invention has the connection pipe 141 as a U-shaped pipe, and the butterfly valve is installed in the middle of the U-shaped pipe, so as to save space, when other components remain unchanged.

[0123] It should be noted that the butterfly valve can specifically be a DN100 butterfly valve. In this application, the pipeline length is relatively short, and it plays a cutting and throttling role on the pipeline. It has a fast opening and closing speed, is convenient and quick to open and close, saves effort, has good sealing, can be operated frequently, has a simple structure, small overall dimensions, short structural length, small size, light weight, can be operated frequently, and is conducive to realizing automatic control.

[0124] In the case where other components remain unchanged, a travel wheel 154 is installed under the base of the air lock rotary valve 15. Preferably, the travel wheel 154 is a steel wheel. The travel wheel 154 is on the strip guide rail 1381 of the frame 138 and can move along the strip guide rail 1381 to the two ends of the inner side of the anti-turnover positioning frame 16. The movement range is between 0 and 480 mm. By adjusting the position of the air lock rotary valve 15, the transition hose is kept in a suitable state, which is conducive to the flow of powder materials.

[0125] To further optimize the above technical solution, an anti-turnover positioning frame 16 is provided on the frame 138, and a plurality of positioning holes are provided on the anti-turnover positioning frame 16, and a positioning port matched with the positioning hole is provided on the base of the air-locking rotary valve 15. The air-locking rotary valve 15 gradually moves from the innermost end to the outermost end. After the position of the air-locking rotary valve 15 is adjusted, the positioning hole and the positioning port are connected in real time through the positioning pin 17, locking the working position of the air-locking rotary valve 15 to prevent the position of the air-locking rotary valve 15 from moving.

[0126] It should be noted that the container dump truck powder unloading equipment 1 of the present invention is widely used in the unloading of powder and granular materials in the flour, grain, feed, chemical, lithium battery and other industries. Specifically, it is suitable for unloading materials of grade II, material moisture content ≤3%, material particle size of 80-140 mesh, i.e. 180um-106um, material fluidity: general, material conveying temperature: powder or micro powder at room temperature.

[0127] The equipment parameters of container dump truck powder unloading equipment 1 can be: variable frequency motor: 2.2KW, outlet pressure difference: 70KPa, air supply volume: 14m 3 / min, delivery distance: horizontal 10m, vertical 30m, total 40m, maximum output capacity: 12t / h. Of course, the above technical parameters are only a preferred implementation, not the only one, and can be determined according to actual application conditions, all within the protection scope of the present invention.

[0128] The unloading process of container dump truck powder unloading equipment 1 is divided into six stages: equipment installation stage, unloading preparation stage, unloading initial stage, unloading intermediate stage, negative pressure suction stage and equipment dismantling stage.

[0129] The specific unloading process is as follows:

[0130] Equipment installation stage: realize the connection between the container dump truck powder unloading equipment 1 and the container dump truck 2 and the storage silo 4.

[0131] The powder material is loaded into the container liner bag 21, and the container liner bag 21 is suspended and fixed in the standard container. The standard container is towed by the container dump truck 2 or the container truck tractor and pulled to the designated unloading station of the factory. The latch lock 114 of the bottom lock swing mechanism 11 is inserted into the two corner pieces 22 at the bottom of the container and rotated 90° to lock it, and the on-site installation of the container dump truck powder unloading equipment 1 is completed. The container dump truck powder unloading equipment 1 is connected to the storage silo 4 through the output hose 3. The on-site installation of the container dump truck powder unloading equipment 1 is completed.

[0132] Unloading preparation stage: realize on-site adjustments of pipeline connections, valves, etc.

[0133] The material outlet 211 of the container liner bag 21 is connected to the front end of the barrel 122 of the telescopic hopper mechanism 12, and the rear end of the barrel 122 is connected to the feed port 153 of the air lock rotary valve 15 through a transition hose; the operator climbs up the safety escalator, unties the exhaust hole tie of the container liner bag 21, and the unloading connection preparation work is completed.

[0134] Initial stage of unloading: container tilt angle 0~10°.

[0135] Start the gas source equipment and the air lock rotary valve 15. The airflow enters through the air inlet 156 of the air lock rotary valve 15, and exits from the outlet 155 of the air lock rotary valve 15 with the powder material, and is sent to the on-site customer storage silo 4 through the output hose 3.

[0136] The container dump truck 2 slowly lifts up from the horizontal position, and its overturning pressure is transmitted to the latch lock 114 through the corner piece 22, and then to the bottom lock swing mechanism 11, and then to the follow-up lifting mechanism 13 through the swing shaft 111, and drives the container dump truck powder unloading equipment 1 to move downward and outward.

[0137] When the container is gradually turned over (0-10°), the material flows into the air lock rotary valve 15 from the material outlet 211 of the container liner bag 21 and is sent out.

[0138] During the unloading process, the container is tilted at an angle of 10 to 30° (maximum 60°, depending on the fluidity of the material).

[0139] The force transmission path of the container dump truck powder unloading equipment 1 is the same as above.

[0140] During unloading, the follow-up lifting device 13 moves downward with the turning of the container, and the horizontal force pushes the container dump truck powder unloading device 1 to move outward. The container dump truck powder unloading device 1 is pulled outward in the horizontal position, and the air lock rotary valve 15 gradually moves from the innermost end to the outermost end.

[0141] Negative pressure suction stage:

[0142] The remaining tailings in the container liner bag 21 are sucked into the air lock rotary valve 15 and the conical storage hopper 152 above it through the negative pressure suction device 14, and then transported to the storage silo 4 through the discharge port 155 of the air lock rotary valve 15, completing the unloading task of the entire box of goods.

[0143] Equipment dismantling phase: the container inclination angle is restored to 0°.

[0144] The container truck lays down the container body, stops the machine, dismantles the powder unloading equipment 1 for the container dump truck, and transports the powder unloading equipment 1 for the container dump truck to a storage location for standby use.

[0145] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0146] The above is a detailed introduction to the container dump truck powder unloading equipment provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention. Therefore, the present invention will not be limited to the embodiments shown in this article, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A container dump truck powder unloading equipment, characterized in that: The invention comprises a follow-up lifting mechanism (13) connected to a container and having a lifting beam (131) capable of lifting to a position parallel to a truck bed, a telescopic hopper mechanism (12) installed on the lifting beam (131) of the follow-up lifting mechanism (13), and an air-locking rotary valve (15) whose feed port (153) is connected to the rear end of a barrel (122) of the telescopic hopper mechanism (12) and is installed on a frame (138) of the follow-up lifting mechanism (13), wherein the discharge port (155) of the air-locking rotary valve (15) is connected to a storage bin (4), and the air inlet (156) of the air-locking rotary valve (15) is connected to an air source. The telescopic hopper mechanism (12) is connected to the container liner bag (21), the front end of the barrel (122) of the telescopic hopper mechanism (12) can be sealed and connected to the material outlet (211) of the container liner bag (21), the container flipping can drive the lifting beam (131) to lift vertically and drive the frame (138) to move horizontally, and the telescopic hopper mechanism (12) comprises a support frame (121) hinged to the lifting beam (131) at multiple points, a support (123) installed on the support frame (121), a barrel (122) hinged to the support (123), and a nylon baffle (124) connected between the support frame (121) and the support (123).

2. The container dump truck powder unloading equipment according to claim 1, characterized in that: The follow-up lifting mechanism (13) comprises a frame (138), a fixing frame (136) fixed to one end of the frame (138), a top plate (134) fixed to the top surface of the fixing frame (136) and having a plug hole, a follow-up lifting rod (132) inserted into the plug hole, and a lifting beam (131) fixed to the upper end surface of the follow-up lifting rod (132).

3. The container dump truck powder unloading equipment according to claim 2, characterized in that: The top plate (134) has a through hole, a nitrogen spring (133) is inserted into the through hole, the lower end of the nitrogen spring (133) is hinged to the frame (138) and the upper end is hinged to the lifting beam (131), and the nitrogen spring (133) is used to lift the lifting beam (131) to a position parallel to the truck bed.

4. The container dump truck powder unloading equipment according to claim 2, characterized in that: It also includes a plurality of guide wheel groups (135) fixed in the vertical direction of the fixed frame (136); the side of the follower lifting rod (132) has a strip guide rail, the strip guide rail is inserted between the two guide wheels of the guide wheel group (135) and can slide along the guide wheels; the follower lifting rod (132) and the guide wheel group (135) form a longitudinal motion pair.

5. The container dump truck powder unloading equipment according to claim 1, characterized in that: The support frame (121) is provided with a guide rod, and the support (123) can slide on the support frame (121) along the guide rod.

6. The container dump truck powder unloading equipment according to claim 5, characterized in that: A first capstan angle adjustment mechanism (126) is provided at one end of the air-locking rotary valve (15) close to the support frame (121); the support frame (121) and the first capstan angle adjustment mechanism (126) are softly connected via a first connecting rope; the first capstan angle adjustment mechanism (126) is used to drive the support frame (121) to flip; the adjustment range of the angle θ at which the first capstan angle adjustment mechanism (126) drives the support frame (121) to flip is between 25° and 55°.

7. The container dump truck powder unloading equipment according to claim 5, characterized in that: A pin shaft (125) is arranged below the support (123), and a second capstan angle adjustment mechanism (127) is arranged on the frame (138). The pin shaft (125) and the second capstan angle adjustment mechanism (127) are softly connected via a second connecting rope, and the second capstan angle adjustment mechanism (127) is used to drive the support (123) to slide along the guide rod.

8. The container dump truck powder unloading equipment according to claim 1, characterized in that: It also includes two sets of bottom lock swing mechanisms (11) for connecting the powder unloading equipment of the container dump truck to the two corner pieces (22) at the bottom of the container, the two sets of bottom lock swing mechanisms (11) are respectively arranged at the two ends of the lifting beam (131), and the bottom lock swing mechanism (11) includes a locking component and a swing component. The swing assembly comprises a swing shaft (111) whose rear end is fixedly connected to the inner surface of the lifting beam (131), a swing shaft sleeve (112) which is sleevedly connected to the swing shaft (111) and whose front end is fixed to the swing shaft (111) via a standard part, and a swing shaft seat (110) which is fixedly connected to the swing shaft sleeve (112), wherein a lower lock fixing plate (113) of the swing shaft seat (110) has a mounting hole. The locking assembly comprises a latch lock (114) installed in the installation hole and having a front end block capable of being inserted into the corner piece hole of the corner piece (22), a locking nut (116) installed at the thread of the latch lock (114) for locking the latch lock (114) and the corner piece (22), and a handle (115) connected to the rear end of the latch lock (114).

9. The container dump truck powder unloading equipment according to claim 8, characterized in that: The invention also comprises a self-lubricating sleeve (117) fixed on the lock fixing plate (113) by screws, the self-lubricating sleeve (117) being arranged between the lock fixing plate and the locking nut (116), the latch lock (114) being sleeved in the self-lubricating sleeve (117), the mounting hole being a longitudinal waist-shaped hole, the locking assembly being able to move in the longitudinal waist-shaped hole, the latch lock (114) of the locking assembly being able to move longitudinally by a length of 0 to 50 mm, the swing shaft seat (110) and the swing shaft sleeve (112) being able to move along the swing shaft (111), and the locking assembly being able to move on the swing shaft (111) by a length of 0 to 50 mm.

10. The container dump truck powder unloading equipment according to claim 1, characterized in that: The invention also comprises a negative pressure material suction device (14) capable of generating a negative pressure airflow, wherein the negative pressure material suction device (14) is connected to the material accumulating hopper (152) of the air lock rotary valve (15), and the negative pressure material suction device (14) comprises a connecting pipe (141) one end of which is connected to a short pipe on the side of the material accumulating hopper (152) of the air lock rotary valve (15), a venturi tube (149) connected to the other end of the connecting pipe (141), a long vertical pipe (143) connected to the upper end of the venturi tube (149), a short vertical pipe (148) connected to the lower end of the venturi tube (149), and a connecting pipe (141) connected to the lower ends of the short vertical pipe (148) and the long vertical pipe (143). A cross pipe (146), a first butterfly valve (140) installed at the connection between the material accumulating hopper (152) of the air-locking rotary valve (15) and the filter bag (151), a second butterfly valve (142) installed on the connecting pipe (141), a third butterfly valve (144) installed on the long vertical pipe (143), a fourth butterfly valve (147) installed on the short vertical pipe (148), and a fifth butterfly valve (145) installed on the cross pipe (146) between the long vertical pipe (143) and the short vertical pipe (148), one end of the cross pipe (146) is connected to the air inlet (156) of the air-locking rotary valve (15), and the other end is connected to the output hose (3).

11. The container dump truck powder unloading equipment according to claim 1, characterized in that: A running wheel (154) is installed under the base of the air-locking rotary valve (15), and the running wheel (154) is on the strip guide rail (1381) of the frame (138) and can move along the strip guide rail (1381). An anti-turnover positioning frame (16) is arranged on the frame (138), and the anti-turnover positioning frame (16) has a plurality of positioning holes. The base of the air-locking rotary valve (15) has a positioning port matched with the positioning hole. After the position of the air-locking rotary valve (15) is adjusted, the positioning hole and the positioning port are connected in real time through a positioning pin (17).

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