CN114754078A

CN114754078A - Sealed blowback device of lifting machine bottom bearing

Info

Publication number: CN114754078A
Application number: CN202210379794.1A
Authority: CN
Inventors: 陈应国
Original assignee: Anhui Better Mechanical & Electronic Co ltd
Current assignee: Anhui Better Mechanical & Electronic Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-15

Abstract

The invention provides a sealing and back-blowing device for a bearing at the bottom of a lifter, which comprises an air-through seat, wherein the air-through seat is detachably connected with a sealing pressing plate, a roller rotating hole is formed in the sealing pressing plate, a tensioning roller is arranged in the roller rotating hole, an air inlet groove is formed in the air-through seat and is matched and connected with an air-blowing device, and the technical problem that materials are easily leaked from a gap between a bearing seat and a shell of a bucket type lifter at present is solved.

Description

Sealed blowback device of lifting machine bottom bearing

Technical Field

The invention mainly relates to the technical field of elevators, in particular to a sealing and back-blowing device for a bottom bearing of an elevator.

Background

The elevator is large mechanical equipment for transportation by changing potential energy, wherein the bucket elevator is mechanical conveying equipment with a fixing device, is mainly suitable for continuous vertical lifting of powdery, granular and small materials, and can be widely applied to lifting of bulk materials of various scales of feed mills, flour mills, rice mills, oil mills, starch mills, grain depots, port docks and the like.

During the operation of the specific embodiment, the inventor finds the following defects:

the bottom of bucket elevator all is the arc shape, can set up the bearing frame at the tensioning structure middle part usually, at the in-process that promotes the material, in order to guarantee the normal operating of lifting machine, need make and leave the clearance between bearing frame and the shell, in order to prevent that inside material from leaking, it is sealed to use the packing in clearance department usually, but the packing is sealed after lifting machine operating time is long slightly, take place to warp easily, lead to inside material to leak from the clearance, influence the health condition in workshop.

Disclosure of Invention

Technical problem to be solved by the invention

The invention provides a sealing and back-blowing device for a bottom bearing of a lifter, which is used for solving the technical problem that materials are easy to leak out from a gap between a bearing seat and a shell of a bucket type lifter in the prior art.

Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides a sealed blowback device of lifting machine bottom bearing, includes the seat of ventilating, the seat of ventilating can be dismantled and connect the sealing pressure plate, it has the cylinder to change the hole to open on the sealing pressure plate, the cylinder changes the downthehole taut cylinder that is equipped with, it has into the gas groove to open on the seat of ventilating, go into gas groove accordant connection gas blowing device.

Further, the air inlet groove is provided with a plurality of air inlet grooves.

Furthermore, the ventilation seat comprises a connecting flange, the connecting flange is arranged on the inner side of the sealing pressure plate, an air guide channel is integrally formed on the outer side of the middle opening of the connecting flange and the tensioning roller, and the air guide channel is provided with the air inlet groove.

Further, the air blowing device comprises an elbow, one end of the elbow is connected with the air compressor, the other end of the elbow is connected with the straight pipe, the straight pipe is connected with the telescopic air pipe, and the telescopic air pipe is connected with the air inlet groove in a matched mode.

Furthermore, the air inlet groove is a chute, and the opening direction of the chute seals the inner side of the pressing plate.

Further, the air compressor is arranged outside the sealing pressure plate, and air passes through the sealing pressure plate through the bent pipe and is sent into the air tank.

Furthermore, an air chamber seat is arranged on the tensioning roller, and an air flow outward-flushing channel is formed by the air chamber seat and the ventilation seat.

Furthermore, the air chamber seat comprises first semicircular pressing blocks which are symmetrically arranged, a second semicircular pressing block is arranged on the inner side of the rear part of the first semicircular pressing block, a positioning hole is formed in the middle of each of the first semicircular pressing block and the second semicircular pressing block, and the positioning hole can be connected with the tensioning roller through a screw.

Furthermore, fixing plates are arranged on two sides of the first semicircular pressing block, and threaded holes are formed in the fixing plates.

Furthermore, a plurality of combined bodies of the first semicircular pressing block and the second semicircular pressing block can be combined with the tensioning roller.

Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

the invention has reasonable design, the air inlet groove on the air vent seat is matched with the air blowing device, the back blowing operation can be carried out on the materials in the hoister, the materials are prevented from leaking from the rotary holes of the roller to cause the pollution of the working environment of the hoister, the wind power of the back blowing device can be increased when the materials are stacked, the internal materials are blown up, and the hoister can conveniently carry out the hoisting operation on the materials;

further form the passageway of bending through setting up the air chamber seat, leak the formation and hinder to the material, reduce the probability that the material leaked by force, for traditional sealing method this application and the pivot between frictional force littleer, improved the life of this device.

Drawings

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic view of the blowing device of the present invention;

fig. 4 is a schematic structural diagram of the air chamber seat of the present invention.

Reference numerals

1. A ventilation seat; 11. a flange; 12. an air guide channel; 2. sealing the pressure plate; 3. rotating holes of the roller; 4. tensioning the roller; 41. an air chamber seat; 411. a first semicircular pressing block; 412. a second semicircular pressing block; 413. positioning holes; 414. a fixing plate; 415. a threaded hole; 42. an airflow outward-flushing channel; 5. an air inlet groove; 6. a blowing device; 61. bending the pipe; 62. a straight pipe; 63. the air pipe is stretched.

Detailed Description

In order that the invention may be more fully understood, reference will now be made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration several embodiments of the invention which may be practiced in many different forms and not limited to the embodiments described herein, but which are provided for the purpose of providing a more complete disclosure of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," "provided," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Examples

Referring to the attached drawings 1-4, a sealing and back-blowing device for a bearing at the bottom of a hoist comprises a ventilation seat 1, the ventilation seat 1 is detachably connected with a sealing pressing plate 2, a roller rotating hole 3 is formed in the sealing pressing plate 2, a tensioning roller 4 is arranged in the roller rotating hole 3, a gas inlet groove 5 is formed in the ventilation seat 1, the gas inlet groove 5 is connected with a gas blowing device 6 in a matching mode, the ventilation seat 1 can be arranged on a tensioning device of the hoist, when the hoist works, the gas blowing device 6 continuously blows gas into a gap between the ventilation seat 1 and the tensioning roller 4, materials inside the hoist are back-blown, the materials cannot overflow from the gap between the tensioning roller 4 and the roller rotating hole 3, normal rotation of the tensioning roller 4 can be guaranteed, and friction force of the materials cannot be increased.

Go into gas tank 5 and have a plurality ofly, in order to improve the blowback effect of material, set up a plurality of gas tank 5 cooperation gas blowing device 6 and can prevent better more comprehensively that inside material from leaking.

The ventilation seat 1 comprises a connecting flange 11, the connecting flange 11 is arranged on the inner side of the sealing pressure plate 2, the outer side of the middle opening of the connecting flange 11 and the tensioning roller 4 are integrally formed to form an air guide channel 12, an air inlet groove 5 is formed in the air guide channel 12, the air guide channel 12 can release compressed air in the air inlet groove 5 to the inner side, and the material can be blown out by the compressed air in the air inlet groove 5 if splashed into the air guide channel 12 in the lifting process.

The blowing device 6 comprises an elbow 61, one end of the elbow 61 is connected with an air compressor, the other end of the elbow 61 is connected with a straight pipe 62, the straight pipe 62 is connected with a telescopic air pipe 63, the telescopic air pipe 63 is connected with the air inlet groove 5 in a matching mode, any gas can be conveyed by the blowing device 6, enters the straight pipe 62 through the end of the elbow 61, and finally is blown into the air inlet groove 5 through the telescopic air pipe 63.

The air inlet groove 5 is a chute, the opening direction of the chute is towards the inner side of the sealing pressing plate 2, and the chute can better guide airflow to blow away materials in order to further improve the back blowing efficiency.

Air compressor locates 2 outsides of seal pressing plate, passes seal pressing plate 2 with gas through return bend 61 and send into air tank 5, and air compressor can hang and establish in the seal pressing plate side, also can be external with return bend 61, the different lifting machine operational environment of being convenient for, and air compressor can be other air supplies, if the lifting machine promotes the operation to inflammable apparatus, can carry out the blowback to inside through the inert gas jar.

The tensioning roller 4 is provided with the air chamber seat 41, the air chamber seat 41 and the air communicating seat 1 form an air flow outward-flushing channel 42, the air flow outward-flushing channel 42 can enable the material to enter the air guide channel 12 with high difficulty, and the air guide channel 12 is matched to form a bending channel, so that the leakage frequency of the material is reduced, and the sealing efficiency of the device is improved.

Air chamber seat 41 includes the first semicircle briquetting 411 that the symmetry set up, first semicircle briquetting 411 rear portion inboard is equipped with second semicircle briquetting 412, first semicircle briquetting 411 and second semicircle briquetting 412 middle part are opened there is the locating hole 413, locating hole 413 accessible screw is connected with take-up drum 4, air chamber seat 41 when the installation, can directly be connected symmetrical first semicircle briquetting 411 with take-up drum 4, form the passageway of a recoil, 412 sides can set up the sealing strip in the second semicircle briquetting, improve sealed effect.

The first semicircular pressing block 411 is provided with fixing plates 414 at both sides thereof, the fixing plates 414 are provided with screw holes 415, and the fixing plates 414 can be coupled to each other by screws through the screw holes in order to reinforce the coupling strength between the air chamber housing 41 and the take-up drum 4.

The combination of the first semicircular pressing block 411 and the second semicircular pressing block 412 may be provided in plurality to be combined with the tensioning roller 4, and the first semicircular pressing block 411 and the second semicircular pressing block 412 may be uniformly divided into a plurality for convenience of processing and connection.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an elevator bottom bearing seals blowback device which characterized in that: the device is characterized by comprising an air ventilation seat (1), wherein the air ventilation seat (1) is detachably connected with a sealing pressing plate (2), a roller rotating hole (3) is formed in the sealing pressing plate (2), a tensioning roller (4) is arranged in the roller rotating hole (3), an air inlet groove (5) is formed in the air ventilation seat (1), and the air inlet groove (5) is connected with an air blowing device (6) in a matching manner.

2. The sealing and back-blowing device for the bottom bearing of the elevator as claimed in claim 1, wherein: the number of the air inlet grooves (5) is multiple.

3. The device of claim 1, wherein the device comprises: the ventilation seat (1) comprises a connecting flange (11), the connecting flange (11) is arranged on the inner side of the sealing pressure plate (2), an air guide channel (12) is integrally formed on the outer side of an opening in the middle of the connecting flange (11) and the tensioning roller (4), and the air guide channel (12) is provided with the air inlet groove (5).

4. The device of claim 2, wherein the device comprises: the air blowing device (6) comprises an elbow (61), one end of the elbow (61) is connected with the air compressor, the other end of the elbow (61) is connected with a straight pipe (62), the straight pipe (62) is connected with a telescopic air pipe (63), and the telescopic air pipe (63) is connected with the air inlet groove (5) in a matched mode.

5. The device of claim 4, wherein the device comprises: the gas inlet groove (5) is a chute, and the opening direction of the chute is towards the inner side of the sealing pressing plate (2).

6. The device of claim 4, wherein the device comprises: the air compressor is arranged outside the sealing pressure plate (2), and air passes through the sealing pressure plate (2) through the bent pipe (61) and is sent into the air tank (5).

7. The device of claim 1, wherein the device comprises: an air chamber seat (41) is arranged on the tensioning roller (4), and an air flow outward-flushing channel (42) is formed by the air chamber seat (41) and the ventilation seat (1).

8. The device of claim 7, wherein the device comprises: the air chamber seat (41) comprises first semicircular pressing blocks (411) which are symmetrically arranged, second semicircular pressing blocks (412) are arranged on the inner sides of the rear portions of the first semicircular pressing blocks (411), positioning holes (413) are formed in the middle portions of the first semicircular pressing blocks (411) and the second semicircular pressing blocks (412), and the positioning holes (413) can be connected with the tensioning roller (4) through screws.

9. The bottom bearing sealing and back-blowing device of the hoisting machine as claimed in claim 8, wherein: fixing plates (414) are arranged on two sides of the first semicircular pressing block (411), and threaded holes (415) are formed in the fixing plates (414).

10. The device of claim 8, wherein the device comprises: the combination of the first semicircle pressing block (411) and the second semicircle pressing block (412) may be provided in plurality in combination with the tension roller (4).