CN215755360U

CN215755360U - Buffer quantitative feeding device

Info

Publication number: CN215755360U
Application number: CN202122476009.8U
Authority: CN
Inventors: 郭立观; 茅宏亮; 李国栋; 蒋金蓉
Original assignee: Shanghai Zhenhua Heavy Industry Port Machinery General Equipment Co ltd
Current assignee: Shanghai Zhenhua Heavy Industry Port Machinery General Equipment Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-02-08
Anticipated expiration: 2031-10-14

Abstract

The utility model provides a buffer quantitative feeding device, which is used for being fixed above a chute of a material receiving point of equipment and comprises: the hopper is internally provided with a cavity for containing materials, and is provided with a feed inlet and a discharge outlet which is arranged opposite to the chute; the detection mechanism is arranged on the hopper and used for detecting the material level of the material in the hopper; the gate mechanism sets up in the position corresponding with the discharge gate of hopper, and gate mechanism includes: the movable gate is arranged opposite to the discharge port; the driving assembly is connected with the movable gate and the detection mechanism, and the driving assembly controls the movable gate to move according to the material level of the material detected by the detection mechanism so as to control the opening degree of the discharge port. The buffer quantitative feeding device keeps quantitative feeding by automatically adjusting the opening and closing positions of the movable gate. In the feeding process, the device plays a role in buffering material impact force, can automatically control the flow of the material, and avoids the problems of downstream material blockage and material scattering.

Description

Buffer quantitative feeding device

Technical Field

The utility model relates to the technical field of material loading, unloading and conveying, in particular to a buffering and quantitative feeding device.

Background

In the switching process is carried in current material loading and unloading, like the ship unloaders, the stacker-reclaimer, the switching in-process of conveyer, the material is through the switching elephant trunk to downstream equipment feed, because the material variety of loading and unloading switching, the granularity, characteristics such as moisture content are different, the material stream of upstream equipment feed is indefinite, and the orbit that flows in the elephant trunk and material stream shape change are indefinite to arouse that the material directly strikes downstream conveying equipment and cause the wearing and tearing of welt and sticky tape relatively fast, and conveyer operation off tracking flash spills the material.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a buffering and quantitative feeding device, which can solve the problems of downstream feeding deviation and rubber belt impact wear and solve the problem of continuous impact wear on a chute lining plate.

In order to solve the technical problem, the utility model provides a buffer quantitative feeding device.

In a first aspect, an embodiment of the present invention provides a buffer dosing device for being fixed above a chute of a receiving point of an apparatus, comprising:

the hopper is internally provided with a cavity for containing materials, a feed inlet and a discharge outlet are arranged on the hopper, and the discharge outlet is opposite to the chute;

the detection mechanism is arranged on the hopper and used for detecting the material level of the material in the hopper;

gate mechanism, gate mechanism set up with the corresponding position of discharge gate of hopper, gate mechanism includes:

the movable gate is arranged opposite to the discharge hole;

the driving assembly is connected with the movable gate and the detection mechanism, and the driving assembly controls the movable gate to move according to the material level of the material detected by the detection mechanism so as to control the opening degree of the discharge port.

Preferably, the moving shutter includes:

the first rail is used for being arranged above a chute of the equipment receiving point and is opposite to the discharge hole;

the first gate baffle is hinged to the output end of the driving assembly, a first roller is arranged on the first gate baffle and arranged on the first track, and the first roller is driven by the driving assembly to drive the first gate baffle to move along the first track.

Preferably, the first rail is arc-shaped or linear.

Preferably, the first gate baffles are uniformly distributed on two sides of the central line of the discharge port, and the first gate baffle on each side is hinged with an output shaft of one driving assembly.

Preferably, at least two first rollers are arranged on the first gate baffle.

Preferably, the driving assembly comprises a first hydraulic push rod, and an output end of the first hydraulic push rod is hinged to the first gate baffle.

Preferably, the moving shutter includes:

the two second rails are symmetrically arranged on the outer side wall of the hopper, and the intersection point of the extension lines of the two second rails is positioned on the central line of the discharge hole;

and the two groups of second gate baffles are respectively connected with the output end of the driving component, second rollers are arranged on the second gate baffles, and the second rollers are arranged on the second track and used for driving the second gate baffles to move along the second track under the driving of the driving component.

Preferably, the second shutter flap is provided with four second rollers.

Preferably, the driving assembly comprises a push rod supporting seat fixed on the outer side wall of the hopper;

and one end of the second hydraulic push rod is fixedly connected with the push rod supporting seat, and the output end of the second hydraulic push rod is fixedly connected with the second gate baffle.

Preferably, the apparatus further comprises: and the controller is electrically connected with the detection mechanism and the gate mechanism and is used for controlling the gate mechanism according to the detection of the detection mechanism and the material discharging position in the hopper so as to control the opening degree of the discharging port.

Preferably, the apparatus further comprises: the bumper beam is fixedly arranged in the cavity and provided with a blocking part, and the blocking part is arranged opposite to the feed inlet and used for buffering materials falling from the feed inlet.

The technical scheme of the utility model has the following beneficial effects:

according to the buffer quantitative feeding device provided by the embodiment of the utility model, the connection relation among the hopper, the detection mechanism, the movable gate, the driving assembly and all parts can be used for keeping the material level of the material in the hopper to float and change within a certain range, and when the early warning material level is reached, the opening and closing position of the movable gate is automatically adjusted according to the upstream flow and the detected material level position to keep quantitative feeding. In the feeding process, the impact force of the materials is buffered, the materials are uniformly centered and have no impact, and the problem of continuous impact abrasion on the lining plate of the chute is solved. When the upstream equipment has a short large material flow, the material flow has a buffering effect, and the problems of downstream material blockage and material scattering are solved.

Drawings

FIG. 1 is a schematic diagram of a buffer dosing unit according to an embodiment of the present invention;

FIG. 2 is another schematic diagram of a buffer dosing unit in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of yet another embodiment of a buffer dosing unit in accordance with the present invention;

fig. 4 is a schematic structural diagram of the connection between the hydraulic push rod and the movable gate according to an embodiment of the present invention.

Reference numerals

A buffer dosing device 100;

a hopper 10; a chamber 11; a feed inlet 12; a discharge port 13;

a detection mechanism 20;

a movable shutter 31; a first track 311; a first shutter plate 312; a drive assembly 32; a first roller 33; a second rail 313; a second shutter plate 314; a second roller 34; a push rod support seat 35; a pin boss 36;

the bumper beam 40.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

To facilitate a clearer understanding of the technical solutions of the present invention, the prior art found will be described first.

In the existing material loading and unloading switching process, when the upstream feeding of a conveyor in operation is not aligned to generate deviation, a seasoning baffle is usually adopted to adjust the material and is arranged in a closed chute. However, the seasoning baffle is adopted to adjust the materials, and the following main problems exist: 1) when the materials slide on one side of the chute or are directly impacted, and the upstream material flow changes variably, the seasoning baffle plate hardly realizes material adjustment and centering feeding. 2) When the up-down switching is higher, the material impact is serious, and the lining plate and the adhesive tape are abraded quickly. 3) When the big material stream appears in the loading and unloading ship of current section, stacker-reclaimer feed, very easily arouse the elephant trunk putty and spill the material. 4) The positioning position of the conventional seasoning baffle is limited, and when the material flow is small, the material flow is easy to be unadjustable. 5) Maintenance personnel need follow eminence or manhole and get into in the narrow flow tube and maintain the dismouting, very inconvenient and have the potential safety hazard.

In view of the above problems, the utility model discloses a research design has been carried out to the switching elephant trunk, has developed the buffering dosing device 100 of the embodiment of the utility model, installs the device in the lower extreme of low reaches material receiving point upper end and aims at the elephant trunk. The flow of the material can be controlled, the impact force when the material descends is weakened, uniform centering feeding is realized, and impact abrasion to the lining plate and the adhesive tape is avoided.

The buffering dosing device 100100 according to an embodiment of the present invention is described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a buffering and quantitative feeding device 100 according to an embodiment of the present invention is fixed above a chute of a receiving point of an apparatus, and includes a hopper 10, a detecting mechanism 20, and a gate mechanism.

Specifically, a cavity 11 for accommodating materials is formed inside the hopper 10, a feed inlet 12 and a discharge outlet 13 are arranged on the hopper 10, the discharge outlet 13 is arranged opposite to the chute, the detection mechanism 20 is arranged on the hopper 10 and used for detecting the material level of the materials inside the hopper 10, the gate mechanism is arranged at a position corresponding to the discharge outlet 13 of the hopper 10 and comprises a movable gate 31 and a drive component 32, the movable gate 31 is arranged opposite to the discharge outlet 13, the drive component 32 is connected with the movable gate 31 and the detection mechanism 20, and the drive component 32 controls the movable gate 31 to move according to the material level of the materials detected by the detection mechanism 20 so as to control the opening degree of the discharge outlet 13.

As shown in fig. 1-3, the buffering and quantitative feeding device 100 is disposed at a material receiving point, wherein the material outlet 13 below the hopper 10 is disposed opposite to the chute, so that the material passing through the buffering and quantitative feeding device 100 is slowed down or stopped after being buffered by the hopper 10, thereby achieving a good buffering effect. The hopper 10 is provided with a detecting means 20 for detecting the material level in the hopper 10, for example, a detecting means 20 including an infrared sensor. The relative position of the upper surface of the stacked material and the hopper 10 is detected by infrared rays. When the material is determined to meet the set requirement, the movable gate 31 can be driven to move by the driving component 32 of the gate mechanism in time so as to open the discharge hole 13 of the hopper 10. In addition, the opening degree of the discharge port 13 can be controlled by controlling the moving distance of the moving gate 31, namely, the shielding of the discharge port 13, so as to control the flow rate of the material. As the discharging of the adopted hopper 10 is aligned with the chute, the effect of material centering is formed, and the material deviation can be avoided.

Therefore, according to the arrangement of the buffering and quantitative feeding device 100 provided by the embodiment of the utility model, impact force can be relieved on materials under high flow, a good buffering effect is achieved, and abrasion of lining plates and adhesive tapes is caused. The material level of the material can be monitored by the detection mechanism 20, the flow of the material at the discharge port 13 can be timely adjusted, and when the upstream material flow changes variably, the stable material flow can be demodulated, so that the centering feeding is realized. In addition, the problem of chute blockage or material scattering caused by large material flow can be avoided by controlling the flow of the materials.

According to one embodiment of the present invention, the moving shutter 31 includes a first rail 311 and a first shutter stopper 312. The track is used for installing in the elephant trunk top of equipment receiving material point to set up with discharge gate 13 is relative, and first gate baffle 312 is articulated with drive assembly 32's output end, is equipped with first gyro wheel 33 on the first gate baffle 312, and first gyro wheel 33 sets up on first track 311 for drive first gate baffle 312 and remove along first track 311 under drive assembly 32's drive. This structure is when drive assembly 32 drive first gate baffle 312 removes, and the gyro wheel with roll to the cooperation, can realize that first gate baffle 312 removes along given direction, can realize the accurate control to discharge gate 13 degree of opening. And the structure is simple, and the manufacture is convenient.

Preferably, the first rail 311 is arc-shaped or linear, as shown in fig. 1, the first rail 311 is arc-shaped, the structure is easy to open, and the arc size can be reasonably determined according to the size of the discharge hole 13 of the hopper 10. As shown in fig. 2, the first track 311 may also be straight, which is simple in structure, and the movement of the first shutter 312 may be achieved by pushing in the horizontal direction. Both structures are relatively simple and can be arranged in a straight or curved manner depending on the limit of the size of the space.

In one embodiment of the present invention, the first gate barrier 312 is provided in a plurality, the plurality of first gate barriers 312 are uniformly distributed on both sides of the central line of the discharging hole 13, and the first gate barrier 312 on each side is hinged with the output shaft of one driving assembly 32. This structure is convenient for first gate baffle 312 symmetry to open or closed, ensures that the material that flows is just to the elephant trunk in the middle of, avoids the material skew.

Preferably, at least two first rollers 33 are provided on the first shutter 312. The plurality of rollers may ensure stable movement of the first shutter flapper 312.

Preferably, the drive assembly 32 includes a first hydraulic ram having an output end hinged to the first gate flap 312, such as by a pin shaft seat 36 and a pin shaft. The first gate baffle 312 is pushed by the hydraulic push rod, so that the opening size of the first gate baffle 312 is controlled conveniently.

As shown in fig. 3 and 4, according to an embodiment of the present invention, the moving gate 31 includes two second rails 313 and two sets of second gate baffles 314, the two second rails 313 are symmetrically disposed on an outer side wall of the hopper 10, an intersection point of extension lines of the two second rails 313 is located on a central line of the discharge port 13, the two sets of second gate baffles 314 are respectively connected to an output end of one driving assembly 32, second rollers 34 are disposed on the second gate baffles 314, and the second rollers 34 are disposed on the second rails 313 and are used for driving the second gate baffles 314 to move along the second rails 313 under the driving of the driving assembly 32. This structure is simple, and facilitates the opening and closing of the second shutter flap 314.

In the embodiment of the present invention, the driving assembly 32 includes a push rod supporting base 35 fixed to an outer sidewall of the hopper 10; and one end of the second hydraulic push rod is fixedly connected with the push rod supporting seat 35, and the output end of the second hydraulic push rod is fixedly connected with the second gate baffle 314. The second gate baffle 314 is pushed by the hydraulic push rod, so that the opening size of the second gate baffle 314 is controlled conveniently.

In some embodiments, the buffering and quantitative feeding device 100 may further include a controller electrically connected to the detecting mechanism 20 and the gate mechanism for controlling the gate mechanism according to the material discharging level in the hopper 10 detected by the detecting mechanism 20 to control the opening degree of the discharging hole 13. The automation is realized through the control of the controller, the control is accurate, and the labor is saved.

As shown in fig. 1-3, the buffer dosing unit 100 may further comprise: the bumper beam 40 is fixedly arranged in the cavity 11, the bumper beam 40 is provided with a blocking part, and the blocking part is arranged opposite to the feeding hole 12 and used for buffering materials falling from the feeding hole 12. The upper and lower transfer is higher through the setting of bumper beam 40, and the material is strikeed when serious, cushions the material, avoids the material in the same direction as changing hopper 10 and elephant trunk.

The operation of the buffer dosing device 100 of the present invention is explained below. In the operation process, firstly, the movable gate 31 is closed, materials enter from the feeding hole 12, the materials are buffered through the buffer beam 40 and then stored in the hopper 10, the material level in the hopper 10 is detected through the material level detection mechanism 20, the material level is sent to the controller, and when the controller determines that the material level of the materials reaches the specified material level in the hopper 10 through calculation, the controller controls the hydraulic push rod to drive the movable gate 31 and gradually open the movable gate 31, and the hydraulic push rod is interlocked with the feeding average flow in a period of upstream, so that the downstream equipment is fed under the working condition that the material flow of two groups of gate openings is kept to be the same as the upstream average flow. Therefore, the material level in the hopper 10 can be kept to float and change within a certain range, and when the early warning material level is reached, the quantitative feeding of downstream material receiving equipment is kept through automatic adjustment of the hydraulic push rod and the opening and closing position of the gate according to the upstream flow and the detected material level position.

The buffering and quantitative feeding device provided by the embodiment of the utility model can play a good buffering role, and can effectively avoid continuous impact abrasion of materials on the chute lining plate. The material level of ability automatic control material to according to the opening degree of material level control floodgate door (the degree of opening of discharge gate), thereby avoid the flow too big, cause the material elephant trunk putty and spill the material. The size of the flow can be freely adjusted. And the device is independent of devices such as a chute and the like, and is convenient to mount and dismount. Maintenance personnel do not need to enter the narrow flow tube to carry out maintenance disassembly and assembly, and the safety of personnel is ensured.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A buffer dosing device for securing above a chute of an equipment receiving point, comprising:

the movable gate is arranged opposite to the discharge hole;

2. The apparatus of claim 1, wherein the moving gate comprises:

3. The apparatus of claim 2, wherein the first track is arcuate or linear.

4. The apparatus of claim 3, wherein the first gate baffle is provided in a plurality, the plurality of first gate baffles are evenly distributed on both sides of the center line of the discharge port, and the first gate baffle on each side is hinged with the output shaft of one of the driving assemblies.

5. The apparatus of claim 2, wherein said first gate stop is provided with at least two of said first rollers.

6. The apparatus of claim 2, wherein the drive assembly comprises a first hydraulic ram, an output end of the first hydraulic ram being hinged to the gate flap.

7. The apparatus of claim 1, wherein the moving gate comprises:

8. The apparatus of claim 7, wherein the drive assembly comprises a ram support block secured to an outer sidewall of the hopper;

9. The apparatus of claim 1, further comprising:

and the controller is electrically connected with the detection mechanism and the gate mechanism and is used for controlling the gate mechanism according to the detection of the detection mechanism and the material discharging position in the hopper so as to control the opening degree of the discharging port.

10. The apparatus of any one of claims 1-9, further comprising:

the bumper beam is fixedly arranged in the cavity and provided with a blocking part, and the blocking part is arranged opposite to the feed inlet and used for buffering materials falling from the feed inlet.