CN117302893A

CN117302893A - Hopper lifting and distributing device

Info

Publication number: CN117302893A
Application number: CN202311375424.1A
Authority: CN
Inventors: 任杰; 廖克政; 吴永红
Original assignee: Shanghai Linfu Electromechanical Co ltd
Current assignee: Shanghai Linfu Electromechanical Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2023-12-29
Anticipated expiration: 2043-10-23
Also published as: CN117302893B

Abstract

The invention discloses a hopper lifting and distributing device, which belongs to the technical field of lifting conveying equipment and comprises a displacement vehicle, a first derrick, a second derrick, a lifting device and a hopper, wherein the hopper is positioned in the second derrick, the first derrick comprises a first supporting frame and a plurality of first supporting legs, the first supporting legs are connected with the displacement vehicle, the second derrick comprises a second supporting frame and limiting legs, and the second supporting frame is connected with the first supporting frame. The invention can lift, convey and discharge materials with various granularities, and can not produce mixed materials, stock and raise dust in the lifting, conveying and discharging processes; the weighing body formed by the second derrick and the hopper has good overall stability, small metering error and high safety, and can meet the requirement of accurate discharging, and the hopper cannot be delayed and inertially rocked due to acceleration in the moving process; easy maintenance and low operation cost.

Description

Hopper lifting and distributing device

Technical Field

The invention belongs to the technical field of lifting conveying equipment, and particularly relates to a hopper lifting and distributing device.

Background

At present, the following common modes are mostly adopted in the automatic batching process after raw material feeding and batching: the first mode is to adopt a lifting machine, which is easy to produce bottom stock and produce mixing phenomena of different materials; the second mode is to adopt a rotary bucket elevator, which has high requirements on material characteristics and high manufacturing cost and maintenance cost; the third mode is to adopt pneumatic conveying, the mode has high requirement on pipeline layout, and is suitable for powdery and small-particle materials, the abrasion of the particle materials on the pipeline is large, and the overall operation energy consumption is high; the fourth mode is to adopt a multi-stage hopper transfer car (buggy), and the problem that this mode exists is that the raise dust is great when the material is changing the hopper, and inefficiency.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and the technical problem to be solved by the invention is to provide a hopper lifting and distributing device for lifting and transferring materials with high efficiency and low cost.

The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a hopper lift distributing device, is in including displacement car, setting first derrick on the displacement car, setting are in second derrick in the first derrick, set up hoisting device on the second derrick and with the hopper that hoisting device is connected, the hopper is located in the second derrick, first derrick includes first braced frame and is used for supporting a plurality of first supporting legs of first braced frame, first supporting leg with the displacement car is connected, the second derrick includes the second braced frame and sets up spacing leg on the second braced frame, the second braced frame with first braced frame is connected.

Preferably, the second support frame is connected to the first support frame through a plurality of weighing sensors.

Preferably, the second supporting frame is higher than the first supporting frame, and the lifting device is arranged on the second supporting frame.

Preferably, a plurality of guide wheels corresponding to the limiting legs are arranged on the outer wall of the hopper.

Preferably, the upper end of the hopper is provided with a feed inlet, the lower end of the hopper is provided with a discharge outlet, and the discharge outlet is provided with a discharge valve.

Preferably, the discharge valve is connected with a telescopic sealing device, the telescopic sealing device comprises a fixed ring sleeve, two telescopic cylinders symmetrically arranged on the fixed ring sleeve and a movable ring sleeve connected with the telescopic cylinders, the movable ring sleeve is movably connected with a swinging plate, and the telescopic cylinders are connected with the swinging plate.

Preferably, the displacement vehicle comprises two supporting seats which are oppositely arranged, a moving motor arranged on the supporting seats and rollers which are arranged on the supporting seats and connected with the moving motor.

Preferably, a cross beam is arranged between the two supporting seats, a control box electrically connected with the mobile motor is arranged on the cross beam, and an encoder and a positioning switch connected with the mobile motor are arranged on the supporting seats.

Preferably, the lifting device adopts a winch, and the lower end of the discharge hole is higher than the lower end of the roller after the lifting device drives the hopper to rise to the highest position.

The beneficial effects are that: compared with the prior art, the invention has the following advantages:

1. through arranging the displacement vehicle, the two derricks and the lifting device, the hopper can be driven to move and lift, so that materials with various granularities can be lifted, conveyed and discharged, and mixing, storage and dust cannot be generated in the lifting, conveying and discharging processes;

2. the two inner and outer derricks are arranged, the outer derricks are rigidly connected with the displacement vehicle, the structure is stable, a weighing sensor is arranged between the upper supporting frames of the two derricks, a weighing point is arranged at the uppermost part of the rigidly connected first derrick, the whole stability of a weighing body formed by the second derrick and the hopper is good, the metering error is small, the requirement of accurate discharging can be met, meanwhile, the second derrick is matched with the guide wheel on the hopper, the lifting stability of the hopper can be improved, the hopper can not be subjected to hysteresis and inertial shaking caused by acceleration in the moving process, and the safety is high;

3. the two rectangular derricks are matched with the weighing sensor, and the winch is easy to maintain and low in running cost;

4. the telescopic sealing device counteracts the asynchronous difference distance of the two telescopic cylinders by arranging the swinging plate, so that the situation that the piston rod is blocked to cause incapacity of acting is prevented, and the telescopic sealing work can be well completed by only two telescopic cylinders.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side perspective view of the present invention;

FIG. 3 is a schematic view of another angular perspective of the present invention;

FIG. 4 is a schematic view of a telescoping seal arrangement;

FIG. 5 is a schematic side perspective view of the telescoping seal;

fig. 6 is a schematic diagram of a wobble plate structure.

Detailed Description

The invention will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the invention, it being understood that these examples are only intended to illustrate the invention and are not intended to limit the scope thereof.

As shown in fig. 1, a hopper lifting and distributing device of the application, a first derrick 1, a second derrick 2, a displacement car 3, a lifting device 4, a hopper 5 and a weighing sensor 6, wherein the displacement car 3 comprises a supporting seat 31, a moving motor 32, rollers 33 and a cross beam 34, the supporting seat 31 is strip-shaped, two supporting seats 31 are oppositely arranged, the cross beam 34 is arranged between the two supporting seats 31, the moving motor 32 is arranged on the inner side of the supporting seat 31, a plurality of rollers 33 are arranged at the bottom of the supporting seat 31, the rollers 33 are arranged along a straight line, the moving motor 32 is connected with the rollers 33 through an internal transmission device, and the rollers 33 are driven to move, so that the whole displacement car 3 is driven to move left and right. The beam 34 is provided with a control box 9 electrically connected with the mobile motor 32, the supporting seat 31 is provided with an encoder 91 and a positioning switch 92 which are connected with the mobile motor 32, the work of the mobile motor 32 is controlled through the encoder 91 and the positioning switch 92 so as to control the displacement car 3 to reach a preset position, the displacement car 3 can move according to a discharging target address set in advance in a control program, the moving distance is calculated in real time according to the encoder 91, when the program judges that the distance between the target position and the current position is greater than 0.1 meter according to the data of the encoder 91, the moving is automatically switched to high-speed movement, when the position distance is less than or equal to 0.1 meter, the moving is automatically switched to low-speed movement, and a positioning point signal is detected in real time through the vehicle-mounted positioning switch 92, and when a positioning signal is detected, the car body can automatically stop moving.

As shown in fig. 1 and 2, the first derrick 1 is disposed on the displacement truck 3, the first derrick 1 includes a first supporting frame 11 and four first supporting legs 12, the first supporting frame 11 is a rectangular frame, the four first supporting legs 12 are disposed below four corners of the first supporting frame 11 for supporting the first supporting frame 11, and lower ends of the first supporting legs 12 are connected to a supporting base 31, so that the first derrick 1 is driven to move when the displacement truck 3 moves.

As shown in fig. 1 and 2, the second derrick 2 is sleeved in the first derrick 1 to form an inner derrick structure and an outer derrick structure, the second derrick 2 comprises a second supporting frame 21 and four limiting legs 22, the second supporting frame 21 is also a rectangular frame, the height of the second supporting frame 21 is higher than that of the first supporting frame 11, the four limiting legs 22 are arranged at four corners of the second supporting frame 21 and extend downwards in the first derrick 1, and the four limiting legs 22 are not contacted with the first supporting legs 12. The four angle upper ends of first braced frame 11 are equipped with a weighing sensor 6 respectively, totally four (weighing sensor 6 quantity also can set up three, and three weighing sensor 6 is in the coplanar and is isosceles triangle setting on first braced frame 11, and it is more accurate to measure, has connecting plate and connecting hole that correspond with three weighing sensor 6 on first braced frame 11 and the second braced frame 21 to reserve on the second braced frame 21), and second braced frame 21 is connected with first braced frame 11 through four weighing sensor 6, and weighing sensor 6 can measure the whole weight of second derrick 2 and its incidental equipment, and weighing sensor 6 is connected the weight data that will gather to control box 9 with control box 9 electricity.

As shown in fig. 1 and 2, the lifting device 4 adopts a winch and is electrically connected with the control box 9, the lifting device 4 comprises a winding drum and two steel wire ropes wound on the winding drum, the winding drum is arranged on the second supporting frame 21 of the second derrick 2 and spans across the second supporting frame 21, the lower ends of the two steel wire ropes are connected with the hopper 5 through shackles, and when a motor of the winding drum rolls the steel wire ropes, the hopper 5 can be driven to ascend or descend.

As shown in fig. 1 and fig. 2, the hopper 5 is located in the second derrick 2 and is driven by the lifting device 4 to ascend or descend in the second derrick 2, the main body of the hopper 5 is in a shape of a cylinder, the lower end of the hopper 5 is in an inverted cone, the upper end of the hopper 5 is provided with a feed inlet 51, raw materials or mixed materials after ingredients enter the hopper 5 from the feed inlet 51, the lower end of the hopper 5 is provided with a discharge outlet, the discharge outlet is provided with a discharge valve 521, the discharge valve 521 adopts an existing butterfly valve, the lifting device 4 drives the hopper 5 to ascend to the highest position, the lower end of the discharge outlet is higher than the lower end of the roller 33, the movement is convenient, the lifting device 4 controls the hopper 5 to ascend or descend to the preset position according to a preset program after the displacement vehicle 3 drives the hopper 5 to reach the preset position, the discharge valve 521 is electrically connected with the control box 9, the discharge outlet valve 521 is opened under the control of the preset program, the weighing sensor 6 collects real-time weight data, and after the discharge reaches the preset weight, the control box 9 receives signals of the weighing sensor 6 so as to control the discharge valve 521 to close, and the discharge valve 521 is completed at the place.

As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the lower end of the discharge valve 521 is connected with a telescopic sealing device 8, the telescopic sealing device 8 comprises a fixed ring sleeve 81, a telescopic cylinder 82 and a movable ring sleeve 83, the fixed ring sleeve 81 is cylindrically connected to the outlet of the discharge valve 521, the movable ring sleeve 83 is sleeved outside the fixed ring sleeve 81, the movable ring sleeve 83 can slide up and down relative to the fixed ring sleeve 81, the telescopic cylinder 82 is provided with two and symmetrically arranged on the fixed ring sleeve 81, the telescopic cylinder 82 comprises two piston rods 821, the lower ends of the two piston rods 821 are connected through a connecting plate 822, the lower end surface of the connecting plate 822 is connected with a swinging plate 84, two ends of the swinging plate 84 are respectively provided with a swinging rotating shaft 841, two support plates 831 are respectively provided with two support plates 831 corresponding to the positions of the movable ring sleeve 83, the two support plates 831 are respectively provided with a shaft sleeve 832 corresponding to the swinging rotating with the swinging rotating shafts 841, the swinging plate 84 is connected with the support plates 831 through the swinging rotating shafts 832, when one cylinder action is lagged by the unbalanced air inlet speed and pressure of the two telescopic cylinders 82, the corresponding swinging plates 84 can rotate at a certain angle under the action of the air inlet cylinders 821, and thus the two cylinder rods 82 cannot tilt synchronously, and cause the different synchronous action of the swinging of the telescopic cylinders 82. After the hopper 5 reaches a preset position, the two telescopic cylinders 82 receive instructions to work, the piston rod 821 moves downwards to drive the movable ring sleeve 83 to integrally move downwards, the lower end of the movable ring sleeve 83 is covered at a feeding hole of a feeding device, and therefore sealing from a discharge hole of the hopper 5 to the feeding hole of the next device is completed, and dust in the discharging process is prevented from flying.

As shown in fig. 1, 2 and 3, a plurality of guide wheels 59 are arranged on the outer wall of the hopper 5, the guide wheels 59 are arranged in pairs into a group, each group of guide wheels 59 corresponds to one limit leg 22, when the hopper 5 moves up and down, the guide wheels 59 are responsible for guiding, and the hopper 5 is limited by the second derrick 2 in the moving process of the displacement car 3, the hopper 5 cannot be subject to lag and inertial shaking caused by acceleration, when the height of the first support leg 12 is higher, for example, the height of the first support leg 12 is 10 m, the limit legs 22 are set to be of fixed length, for example, 2 m, extension legs corresponding to the four limit legs 22 can be arranged on the inner side of the first support leg 12, the extension legs extend downwards, the extension legs play a role of continuously limiting the guide wheels 59, a space is reserved between the extension legs and the limit legs 22, and weighing after the hopper 5 moves to the uppermost side is not affected because the extension legs are not connected with the limit legs 22.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. The utility model provides a hopper lift distributing device, its characterized in that, is in including displacement car (3), setting first derrick (1) on displacement car (3), set up second derrick (2) in first derrick (1), set up hoisting device (4) on second derrick (2) and with hopper (5) that hoisting device (4) are connected, hopper (5) are located in second derrick (2), first derrick (1) include first braced frame (11) and are used for supporting a plurality of first supporting legs (12) of first braced frame (11), first supporting legs (12) with displacement car (3) are connected, second derrick (2) include second braced frame (21) and set up spacing leg (22) on second braced frame (21), second braced frame (21) with first braced frame (11) are connected.

2. The hopper lift distribution device according to claim 1, characterized in that the second support frame (21) is connected to the first support frame (11) by means of a plurality of load cells (6).

3. The hopper lift distribution device according to claim 1, characterized in that the second support frame (21) is higher than the first support frame (11), the lifting device (4) being arranged on the second support frame (21).

4. The hopper lifting and distributing device according to claim 1, characterized in that a plurality of guide wheels (59) corresponding to the limit legs (22) are arranged on the outer wall of the hopper (5).

5. The hopper lifting and distributing device according to claim 1, wherein a feed inlet (51) is arranged at the upper end of the hopper (5) and a discharge outlet (52) is arranged at the lower end of the hopper, and a discharge valve (521) is arranged on the discharge outlet (52).

6. The hopper lifting and distributing device according to claim 5, wherein the discharge valve (521) is connected with a telescopic sealing device (8), the telescopic sealing device (8) comprises a fixed ring sleeve (81), two telescopic cylinders (82) symmetrically arranged on the fixed ring sleeve (81) and a movable ring sleeve (83) connected with the telescopic cylinders (82), the movable ring sleeve (83) is movably connected with a swinging plate (84), and the telescopic cylinders (82) are connected with the swinging plate (84).

7. The hopper lift distribution device according to claim 5, characterized in that the displacement trolley (3) comprises two opposite supporting seats (31), a mobile motor (32) arranged on the supporting seats (31) and a roller (33) arranged on the supporting seats (31) and connected with the mobile motor (32).

8. The hopper lifting and distributing device according to claim 7, characterized in that a cross beam (34) is arranged between the two supporting seats (31), a control box (9) electrically connected with the mobile motor (32) is arranged on the cross beam (34), and an encoder (91) and a positioning switch (92) connected with the mobile motor (32) are arranged on the supporting seats (31).

9. The hopper lifting and distributing device according to claim 7, wherein the lifting device (4) adopts a winch, and the lower end of the discharge hole (52) is higher than the lower end of the roller (33) after the lifting device (4) drives the hopper (5) to rise to the highest position.