CN220787045U - Bucket elevator and hopper rapping device - Google Patents

Abstract

The application discloses a bucket elevator and a bucket rapping device. The hopper rapping device comprises a rotating shaft, a driver, a rigid mounting seat and a plurality of hammer arms; the driver is connected with the rotating shaft and used for driving the rotating shaft to rotate; the rigid mounting seat is sleeved and fixed on the rotating shaft, a plurality of rigid mounting plates are arranged on the periphery of the rigid mounting seat, and all the rigid mounting plates are radially distributed around the rigid mounting seat; all the rigid mounting plates are connected with all the hammer arms in a one-to-one correspondence manner, and any hammer arm comprises an elastic hammer head for knocking the hopper. The hopper rapping device adopts the driver to drive the hammer arm to rotate, utilizes the elastic hammer head of the hammer arm to actively beat and shake the hopper of the hopper rapping device, applies proper acting force to the hopper, simulates the operation mode of manually beating the hopper to clear the blocking material, and can solve the problem of the reduction of conveying capacity caused by the sticking material of the hopper.

Description

Bucket elevator and hopper rapping device

Technical Field

The application relates to the technical field of material conveying, in particular to a hopper rapping device. Also relates to a bucket elevator comprising the hopper rapping device.

Background

The bucket elevator is a kind of conveying mechanical equipment for continuously and vertically lifting materials, and is widely applied to bulk material lifting systems in the industries of electric power, building materials, mines, conveying, grains, feeds and the like.

The bucket elevator mainly comprises parts such as a belt/chain, a hopper, a driving motor and the like; the driving motor drives the belt/chain to run, the hopper is arranged on the belt/chain, the driving motor drives the hopper to move through the belt/chain, and the hopper loads materials to realize material transportation.

Bucket elevators use hoppers to load and transport material. If the material is a viscous material or the moisture content of the material is large, the material is often adhered to the inner wall of the hopper, the material is not easy to peel off in the return section, the conveying capacity of the adhered material is reduced, and the overload trip of the driving motor is caused when the conveying capacity is severe.

The existing treatment method is usually to manually knock the hopper by using a small hammer, so as to manually clean the materials adhered to the inner wall of the hopper. However, the manual cleaning of the hoppers is not only time-consuming and labor-consuming, but also is easy to miss individual hoppers, and cannot ensure that all hoppers of the bucket elevator are cleaned in time.

Disclosure of Invention

The utility model provides a hopper rapping device can apply suitable effort to the whole hopper of bucket elevator in order to realize beating, rapping automatically and efficiently. It is a further object of the present application to provide a bucket elevator comprising a hopper rapping device as described above.

To achieve the above object, the present application provides a bucket rapping device comprising:

a rotating shaft;

the driver is used for driving the rotating shaft to rotate;

the rigid mounting seat is sleeved and fixed on the rotating shaft; the periphery of the rigid mounting seat is provided with a plurality of rigid mounting plates, and all the rigid mounting plates are radially distributed around the rigid mounting seat;

a plurality of hammer arms; any hammer arm comprises an elastic hammer head for knocking the hopper, and all the rigid mounting plates are connected with all the hammer arms in a one-to-one correspondence manner.

In some embodiments, either hammer arm further comprises a hammer rod, both ends of which are connected to the rigid mounting plate and the elastic hammer head, respectively.

In some embodiments, the hammer lever is an elastic hammer lever.

In some embodiments, all of the hammer arms are evenly looped around the spindle.

In some embodiments, the drive comprises a motor; the motor is used for interlocking with the bucket elevator body.

In some embodiments, the motor is embodied as a variable frequency motor; a speed reducer is arranged between the motor and the rotating shaft.

In some embodiments, the number of hopper rapping devices is more than two; hopper rapping devices are arranged on the hopper travel-out side and the hopper return side.

Compared with the background art, the hopper rapping device provided by the application comprises a rotating shaft, a driver, a rigid mounting seat and a plurality of hammer arms; the rigid mounting seat is sleeved and fixed on the rotating shaft, the hammer arm is arranged on the rigid mounting seat, and the driver is connected with the rotating shaft and used for driving the rotating shaft to rotate; a plurality of rigid mounting plates are arranged on the periphery of the rigid mounting seat, and all the rigid mounting plates are radially distributed around the rigid mounting seat; all the hammer arms are arranged on the rigid mounting seat, any one hammer arm comprises an elastic hammer head for knocking the hopper, and all the rigid mounting plates are connected with all the hammer arms in a one-to-one correspondence manner.

The utility model provides a hopper rapping device adopts the driver to drive the hammer arm rotation, utilizes the elasticity tup initiative of hammer arm to beat, beat every hopper of this hopper rapping device of way, simulate artifical operation mode of beating the hopper in order to clear up the putty, can solve the hopper and glue the material and cause the problem that conveying capacity descends.

In the hopper rapping device provided by the application, the elastic hammer head can generate certain elastic deformation in the process of knocking the hopper, so that proper acting force is applied to the hopper, not only can the material in the hopper in bulk be knocked or the residual material attached to the inner wall of the hopper be shaken off, but also the phenomenon that the hopper is knocked down or the movement of any one of the hopper rapping device and the hopper is stagnated due to overlarge acting force can be avoided. In the hopper rapping device provided by the application, the elastic hammerhead is connected to the rotating shaft through the rigid mounting seat and the rigid mounting plate thereof, so that the production and processing difficulty of the hopper rapping device can be reduced, and the hammer arm can be independently replaced.

In summary, the hopper rapping device provided by the application can automatically and efficiently apply proper acting force to all hoppers of the bucket elevator so as to realize knocking and rapping, thereby cleaning all hoppers effectively in time.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a bucket elevator according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of the movement of the bucket rapping device in the bucket elevator provided in an embodiment of the present application;

fig. 3 is a schematic view of a structure of a hopper rapping device provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a rotating shaft and a rotating shaft mounting seat according to an embodiment of the present application.

Wherein, 01-hopper, 1-pivot, 2-rigid mount pad, 21-rigid mounting panel, 3-hammer arm, 31-elasticity tup, 32-hammer stem, 4-bearing frame.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a bucket elevator according to an embodiment of the present disclosure; fig. 2 is a schematic diagram of the movement of the bucket rapping device in the bucket elevator provided in an embodiment of the present application; fig. 3 is a schematic view of a structure of a hopper rapping device provided in an embodiment of the present application; fig. 4 is a schematic structural diagram of a rotating shaft and a rotating shaft mounting seat according to an embodiment of the present application.

Referring to fig. 1 and 2, the present application provides a hopper rapping device, comprising a rotation shaft 1, a driver, a rigid mounting seat 2 and a plurality of hammer arms 3; the rigid mounting seat 2 is sleeved and fixed on the rotating shaft 1, the hammer arm 3 is arranged on the rigid mounting seat 2, and the driver is connected with the rotating shaft 1 and used for driving the rotating shaft 1 to rotate; a plurality of rigid mounting plates 21 are arranged on the periphery of the rigid mounting seat 2, and all the rigid mounting plates 21 are radially distributed around the rigid mounting seat 2; all the hammer arms 3 are arranged on the rigid mounting seat 2, any one hammer arm 3 comprises an elastic hammer head 31 for knocking the hopper 01, and all the rigid mounting plates 21 are connected with all the hammer arms 3 in a one-to-one correspondence manner.

In this embodiment, the driver drives all the hammer arms 3 and the elastic hammers 31 thereof to rotate around the rotating shaft 1 through the rotating shaft 1 and the rigid mounting seat 2, so as to realize the purpose of knocking and vibrating the hopper 01 of the hopper vibrating device by utilizing the rotating elastic hammers 31.

The hopper vibrating device can be used for knocking and vibrating the hopper 01 filled with materials, and can also be used for knocking and vibrating the hopper 01 which is just discharged. Taking the case of knocking and vibrating the hopper 01 filled with materials by using the hopper vibrating device as an example, the hopper vibrating device needs to be arranged on the forward travel side of the hopper 01 of equipment where the hopper 01 is positioned, the movement track of the elastic hammer 31 is overlapped with the movement part of the hopper 01, and the speed of the elastic hammer 31 and the speed of the hopper 01 are adjusted to ensure that the hopper 01 collides with each other in the movement overlapped area of the elastic hammer 31. As for the hopper 01 just discharged by knocking and vibrating by the hopper rapping device, the hopper rapping device should be arranged on the return side of the hopper 01 of the equipment where the hopper 01 is positioned, and the rest of the arrangement can refer to the previous example.

According to the hopper rapping device provided by the application, the driver is adopted to drive the hammer arm 3 to rotate, the elastic hammer head 31 of the hammer arm 3 is utilized to actively knock and shake the hopper 01 of the hopper rapping device, the operation mode of manually knocking the hopper 01 to clear the blocking material is simulated, and the problem that the conveying capacity is reduced due to the sticking material of the hopper 01 can be solved; the elastic hammerhead 31 can apply proper acting force to the hopper 01, so that not only can the material in the hopper 01 be knocked or the residual material adhered to the inner wall of the hopper 01 be shaken off, but also the hopper 01 can be prevented from being knocked out due to overlarge acting force or the motion stagnation of any one of the hopper rapping device and the hopper 01 can be avoided; the elastic hammerhead 31 is connected to the rotating shaft 1 through the rigid mounting seat 2 and the rigid mounting plate 21 thereof, so that the production and processing difficulty of the hopper rapping device can be reduced, the hammer arm 3 can be independently replaced to timely and effectively maintain the hopper rapping device, and the acting force of the elastic hammerhead 31 on the hopper 01 can be adjusted by coordinating the interval between the elastic hammerhead 31 and the rotating shaft 1 on the premise that the interval between the rotating shaft 1 and the hopper 01 is fixed.

The hopper rapping device provided in the present application will be further described below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 and 3, in some embodiments, a plurality of hammer arms 3 are disposed on a rotating shaft 1 through a rigid mounting base 2, and any one of the hammer arms 3 includes not only an elastic hammer head 31 but also a hammer rod 32, and two ends of the hammer rod 32 are respectively connected to the rigid mounting plate 21 and the elastic hammer head 31. The hammer lever 32 can be used for adjusting the distance between the elastic hammer 31 and the rotating shaft 1; the hammer lever 32 may be made of a rigid material or an elastic material, and in general, the hammer lever 32 may be provided as an elastic hammer lever, for example, the hammer lever 32 and the elastic hammer head 31 may be integrally formed of the same material.

The hammer arm 3 of the above embodiment may be specifically configured as a rubber hammer arm 3 having an elastic deformation capability, the hammer arm 3 being elastically deformable when striking the hopper 01, and maintaining the original linear velocity after striking the hopper 01.

In the above described embodiment, the total mass of the individual hammer arms 3 may be equal to the mass of the rubber hammer used for manual cleaning of the hopper 01 to ensure that the operation through the hopper rapping device has the same kinetic energy as when cleaning manually.

In some embodiments, the rotating shaft 1 is provided with a plurality of hammer arms 3, and all the hammer arms 3 are uniformly distributed around the rotating shaft 1. For example, four hammer arms 3 are provided on one rotary shaft 1, and the four hammer arms 3 are uniformly distributed around the rotary shaft 1. In addition, bearings and bearing blocks 4 can be installed at both ends of the rotating shaft 1.

In some embodiments, the hopper rapping device provided herein employs a motor as a driver, that is, the motor is connected to the rotating shaft 1 to drive the rotating shaft 1 to rotate; the aforementioned motor may be interlocked with the bucket elevator body. The bucket elevator body, i.e. the equipment in which the aforementioned bucket 01 is located, is referred to herein or otherwise by the relevant definition below. The bucket elevator body includes hopper 01, and one side of bucket elevator body is located to the hopper rapping device that this application provided, and when the bucket elevator body was operated, hopper rapping device beaten the hopper 01 of pathway elasticity tup 31.

In the above embodiment, the motor is interlocked with the bucket elevator body, the motor is turned on with the opening of the bucket elevator body, and is turned off with the stopping of the bucket elevator body.

In the above embodiment, the motor may be specifically configured as a variable frequency motor, so as to adjust the rapping force to achieve a good rapping effect, and meanwhile, a speed reducer is disposed between the variable frequency motor and the rotating shaft 1.

Referring to fig. 1 and 2, the present application also discloses a bucket elevator comprising a bucket elevator body and the above mentioned bucket rapping device. In the bucket elevator, a bucket elevator body comprises a transmission carrier and a hopper 01 arranged on the transmission carrier; the aforementioned transmission carrier may comprise a belt or a chain, that is, the hopper 01 may be provided on the belt or the chain, and the belt or the chain drives the hopper 01 to move.

In the above-described bucket elevator, the hopper rapping device may be mounted on the hopper outgoing side or the hopper return side of the bucket elevator body, and of course, the hopper rapping devices may be provided on the hopper outgoing side and the hopper return side of the bucket elevator body, respectively.

When installing and operating the bucket elevator provided herein, the bucket rapping device and the bucket elevator body need to satisfy the following formula:

a＜R≤b(1)；

v ₁ ＞v ₂ (2)；

T ₂ ≥T ₁ (5)；

in the formulas (1) to (5), R is the length of the hammer arm 3, a is the distance between the plane of the outer edge of the hopper 01 and the plane of the inner edge, and b is the distance between the plane of the inner edge of the hopper 01 and the rotating shaft 1; v ₁ For the linear velocity of the driver driving the elastic hammerhead 31 in circular motion, v ₂ For the running speed of the hopper 01, alpha is the angle of the central angle corresponding to the two intersection points formed by the plane of the outer edge of the hopper 01 and the circular track of the elastic hammerhead 31, n is the number of hammer arms 3 of one hopper rapping device, T ₁ For the maximum time period required for any hammer arm 3 to pass through the intersection area of the trajectories of the hopper 01 and the hammer arm 3, T ₂ Is the running time of the hopper 01 in the intersection area of the trajectories of the hopper 01 and the hammer arm 3.

Referring to fig. 1 and 2, three dotted lines are sequentially arranged from left to right in fig. 2, the dotted line on the rightmost side can be regarded as a plane where the inner edge of the hopper 01 is located, and the dotted line in the middle can be regarded as a plane where the outer edge of the hopper 01 is located.

In the above formula (2), v ₁ And v ₂ With a certain speed difference, the speed of 2m/s of the rubber hammer striking the hopper 01 can be used as the speed difference when the bucket elevator body is manually cleared in a static state. In the above formula (3), the relationship between the radius R and the rotation speed n of the hopper rapping device isWherein the rotational speed n is selected to ensure the duration T of the operation of the hopper 01 in the intersection zone B ₂ Is greater than the hopper rapping device->The sum T of the duration of the revolution and the time of passage of one hammer arm 3 through the intersection zone B ₁ 。

When the hopper rapping device and the bucket elevator body meet the formulas (1) to (5), the bucket elevator can ensure that the hammer arm 3 knocks and shakes the bottom of the hopper 01, and is convenient for adjusting the rotating speed of the hopper rapping device.

The relevant parameters of the hopper rapping device and the bucket elevator body can be set as follows: the opening h of the hopper 01 is 120mm, the gap between the outer edge of the opening of the hopper 01 and the outer wall of the bucket elevator body is 110mm, and the interval between adjacent hoppers 01 is 600mm; the vibrating device of one hopper is provided with two vibrating arms, the length R of any one vibrating arm is 200mm, and the distance b between the rotating shaft and the plane where the inner wall of the hopper is positioned is 260mm; the running speed of the hopper 01 is 1m/s, v ₁ And v ₂ The speed difference of the hopper rapping device is about 2m/s, the linear speed of the end part of the hammer arm of the hopper rapping device is 3m/s, the rotating speed of the hopper rapping device when in operation is calculated to be 147rpm, and the T is calculated by the above formula ₂ ＜T ₁ To meet the operation requirement, the rotating speed of the hopper vibrating device is adjusted to 150rpm to ensure that the vibrating device meets T ₂ ≥T ₁ Meanwhile, a speed reducer with the matching speed ratio of 10 and 1500 revolutions and 0.5kw is selected for trial assembly operation.

In some embodiments, the number of the hopper rapping devices is more than two, for example, the hopper rapping devices are arranged on the hopper travel side and the hopper return side, and the hopper rapping devices arranged on the hopper travel side are used for rapping and vibrating the hopper 01 filled with materials, and the hopper 01 is rapped before discharging so that the materials are loose and are convenient to discharge; the hopper vibrating device arranged on the return side of the hopper is used for knocking and vibrating the hopper 01 which is just discharged and is used for emptying the hopper 01.

The bucket elevator and the bucket rapping device provided by the present application are described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims (8)

1. A hopper rapping device, comprising:

a rotating shaft (1);

the driver is used for driving the rotating shaft (1) to rotate;

the rigid mounting seat (2) is sleeved and fixed on the rotating shaft (1); a plurality of rigid mounting plates (21) are arranged on the periphery of the rigid mounting seat (2), and all the rigid mounting plates (21) are radially distributed around the rigid mounting seat (2);

a plurality of hammer arms (3); any one of the hammer arms (3) comprises an elastic hammer head (31) for knocking the hopper (01), and all the rigid mounting plates (21) are connected with all the hammer arms (3) in a one-to-one correspondence manner.

2. The hopper rapping device according to claim 1, wherein any of said hammer arms (3) further comprises a hammer lever (32), both ends of said hammer lever (32) being connected to said rigid mounting plate (21) and to said elastic hammer head (31), respectively.

3. The hopper rapping device according to claim 2, wherein the hammer lever (32) is an elastic hammer lever.

4. The hopper rapping device according to claim 1, wherein all of the hammer arms (3) are evenly looped around the rotation shaft (1).

5. The hopper rapping device according to any of claims 1 to 4, wherein said drive comprises a motor; the motor is used for interlocking with the bucket elevator body.

6. The hopper rapping device according to claim 5, wherein said motor is in particular a variable frequency motor; a speed reducer is arranged between the motor and the rotating shaft (1).

7. A bucket elevator comprising a bucket elevator body and a rapping device as set forth in any one of claims 1 to 6; the bucket elevator body comprises a transmission carrier and a hopper arranged on the transmission carrier, and the transmission carrier comprises a belt or a chain; the hopper rapping device is arranged on the hopper travel side and/or the hopper return side of the bucket elevator body.

8. The bucket elevator of claim 7 wherein the number of hopper rapping devices is two or more; the vibrating device is arranged on the forward side of the hopper and the return side of the hopper.