CN113945347A

CN113945347A - Vibration detection device

Info

Publication number: CN113945347A
Application number: CN202111202649.8A
Authority: CN
Inventors: 朱梦伟; 程从山; 张辉
Original assignee: Maanshan Iron and Steel Co Ltd
Current assignee: Maanshan Iron and Steel Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-01-18

Abstract

The invention discloses a vibration detection device, and relates to the technical field of machinery. This vibrations detection device, including last return bend, oblique elephant trunk and lower return bend, the top of oblique elephant trunk and the bottom intercommunication of last return bend, the bottom of oblique elephant trunk and the top intercommunication of return bend down, the top of going up the return bend is perpendicular up, the bottom of return bend is perpendicular down, there is the contained angle to the straight line of pipe center place of oblique elephant trunk for the horizontal plane. This vibrations detection device, through utilizing equipment steady operation vibrations little, the big characteristics of abnormal state vibrations, when unusual vibrations take place, the ball of arranging in the elbow falls out, falls into in the same direction as the pipe chute and accepts the cone, and the switch-on triggers the alarm to this detects unusual vibrations and reminds centralized control personnel to eliminate, provides the safety guarantee for production.

Description

Vibration detection device

Technical Field

The invention relates to the technical field of machinery, in particular to a vibration detection device.

Background

The bridge type double-bucket-wheel reclaimer is suitable for a stock yard in industries such as steel and iron, can be used for uniformly mixing and reclaiming bulk materials such as coal, concentrate and fine ore, can continuously excavate the bulk materials, and has the function of uniformly mixing the taken materials besides the excavating function.

The trolley of the bridge type double-bucket-wheel reclaimer is positioned on a box girder, and a steel wire rope winding mechanism pulls the trolley to reciprocate along a track on the box girder; a material rake for raking materials and a bucket wheel body driven by a chain to rotate and circularly take materials are arranged on the trolley frame; materials are loosened by the material rake and slide downwards, the hopper wheel body rotates to extract the materials, and the trolley drives the material rake and the hopper wheel body to reciprocate along the box girder, so that the technological requirement of uniformly mixing and taking materials on the cross section of the material pile is met.

In the operation process of the bridge type double-bucket-wheel reclaimer, a plurality of moving parts are arranged, such as small wheels and horizontal wheels for supporting and fixing a trolley, upper supporting wheels, lower supporting wheels and side blocking wheels for supporting and fixing bucket wheel bodies, a chain transmission mechanism for driving the bucket wheel bodies to select, and the like, wherein the abrasion of any one part can cause abnormal sound and vibration of equipment.

In the prior art, with the aggravation of the abrasion of parts, the phenomena of rail gnawing of small wheels, tooth climbing of chains of bucket wheel body chain driving devices, chain jumping and the like are easy to occur, and the production halt caused by equipment failure is easy to cause. The bridge type double-bucket-wheel reclaimer is operated manually, and various abnormal phenomena can be discovered, judged and processed by an operator. Along with the intelligent improvement, the equipment realizes unmanned operation, and if abnormal vibration cannot be detected in time and centralized control personnel are reminded to eliminate the abnormal vibration, equipment faults and even equipment accidents are caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a vibration detection device, which solves the problems that in the prior art, the phenomena of rail gnawing of small wheels, tooth climbing of chains of a bucket wheel body chain driving device, chain jumping and the like are easy to occur along with the aggravation of the abrasion of parts, and the production halt is easy to be caused by equipment failure. The bridge type double-bucket-wheel reclaimer is operated manually, and various abnormal phenomena can be discovered, judged and processed by an operator. Along with the intelligent improvement, the equipment realizes unmanned operation, and if abnormal vibration cannot be detected in time and centralized control personnel are reminded to eliminate the abnormal vibration, equipment failure and even equipment accidents are caused.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a vibration detection device, includes return bend, oblique elephant trunk and lower return bend, the top of oblique elephant trunk and the bottom intercommunication of last return bend, the bottom of oblique elephant trunk and the top intercommunication of lower return bend, the top of going up the return bend is perpendicular up, the bottom of lower return bend is perpendicular down, there is the contained angle for the horizontal plane in the straight line of elephant trunk pipe center tube place to one side, run through on the elephant trunk to one side and be provided with adjusting bolt, the last fixation nut that is provided with of adjusting bolt, fixation nut welds the lower surface in oblique elephant trunk, the left side that just is located adjusting bolt in the oblique elephant trunk is provided with the copper ball, be provided with the acceptance cone under the return bend, be provided with the copper shell fragment in the acceptance cone, the right side of acceptance cone is provided with the bracket, the bracket is through round pin axle fixedly connected with PMKD.

Preferably, the upper bent pipe, the inclined chute and the lower bent pipe are integrally formed.

Preferably, during operation, the upper bent pipe, the inclined chute, the lower bent pipe and the fixed bottom plate are fixed relative to the bridge type bucket-wheel blending reclaimer equipment body.

Preferably, the upper bent pipe, the inclined chute, the lower bent pipe and the adjusting bolt are all made of stainless steel.

(III) advantageous effects

The invention provides a vibration detection device. The method has the following beneficial effects:

this vibrations detection device, through utilizing equipment steady operation vibrations little, the big characteristics of abnormal state vibrations, when unusual vibrations take place, the ball of arranging in the elbow falls out, falls into in the same direction as the pipe chute and accepts the cone, and the switch-on triggers the alarm to this detects unusual vibrations and reminds centralized control personnel to eliminate, provides the safety guarantee for production.

Drawings

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

fig. 2 is a top view of the structure of the present invention.

In the figure: 1. bending the pipe upwards; 2. copper balls; 3. fixing a nut; 4. adjusting the bolt; 5. an inclined chute; 6. a lower bent pipe; 7. receiving a cone; 8. a copper spring plate; 9. a bracket; 10. a pin shaft; 11. and fixing the bottom plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a vibration detection device comprises an upper bent pipe 1, an inclined slide pipe 5 and a lower bent pipe 6, wherein the upper bent pipe 1, the inclined slide pipe 5 and the lower bent pipe 6 are integrally formed, the upper bent pipe 1, the inclined slide pipe 5, the lower bent pipe 6 and an adjusting bolt 4 are made of stainless steel, the top end of the inclined slide pipe 5 is communicated with the bottom end of the upper bent pipe 1, the bottom end of the inclined slide pipe 5 is communicated with the top end of the lower bent pipe 6, the top end of the upper bent pipe 1 is vertically upward, the bottom end of the lower bent pipe 6 is vertically downward, a straight line where a pipe center of the inclined slide pipe 5 is located has an included angle relative to a horizontal plane, the adjusting bolt 4 is arranged on the inclined slide pipe 5 in a penetrating way, a fixing nut 3 is arranged on the adjusting bolt 4, the fixing nut 3 is welded on the lower surface of the inclined slide pipe 5, a copper ball 2 is arranged on the left side of the adjusting bolt 4 in the inclined slide pipe 5, a receiving cone 7 is arranged right below the lower bent pipe 6, and a copper elastic sheet 8 is arranged in the receiving cone 7, the right side of accepting cone 7 is provided with bracket 9, and bracket 9 is through round pin axle 10 fixedly connected with PMKD 11, and during operation, go up return bend 1, oblique elephant trunk 5, lower elbow 6 and PMKD 11 homogeneous phase fixed for bridge type bucket-wheel blending reclaimer equipment body.

When the device works, the stainless steel integrated part is welded on the device body of the bridge type double-bucket-wheel reclaimer, the copper ball is arranged in the upper bent pipe and is in contact with the cylinder at a tangent point, and the adjusting screw blocks the copper ball from freely falling when the device is in a static state and stably runs; the adjusting screw can be adjusted up and down, and the best equipment vibration alarming position is selected according to the equipment vibration degree; the receiving cone liner copper elastic sheet can absorb the falling impact force of the copper ball, the receiving cone inner two unconnected copper elastic sheets are respectively connected with a wire and connected with a system alarm loop, when the copper ball falls, the two copper elastic sheets are contacted with the copper ball, so that the circuit loop is connected, and the alarm is triggered; the receiving cone is arranged in a bracket, the bracket is connected with a fixed bottom plate by two pin shafts, and the fixed bottom plate is welded on the bridge type double-bucket-wheel reclaimer equipment body; the pin shaft of the bracket is taken out to be close to the receiving cone, the bracket can rotate around the pin shaft at the rear part, and the copper ball falling into the bracket can be taken out after the bracket is rotated out. When the abnormal vibration of the equipment reaches a set value, the copper ball crosses the adjusting screw, falls into the receiving cone through the inclined chute and the lower bent pipe, contacts two unconnected copper elastic sheets, enables a loop to be connected, and sends out an alarm signal, so that the purpose of abnormal vibration alarm is achieved.

To sum up, this vibrations detection device through utilizing equipment steady operation vibrations little, the big characteristics of abnormal state vibrations, when unusual vibrations take place, the ball of arranging in the elbow falls out, falls into in the same direction as the pipe chute and accepts the cone, and the switch-on trigger alarm to this detects unusual vibrations and reminds centralized control personnel to eliminate, provides the safety guarantee for production.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vibration detection device is characterized in that: comprises an upper bent pipe (1), an inclined slide pipe (5) and a lower bent pipe (6), wherein the top end of the inclined slide pipe (5) is communicated with the bottom end of the upper bent pipe (1), the bottom end of the inclined slide pipe (5) is communicated with the top end of the lower bent pipe (6), the top end of the upper bent pipe (1) is vertically upward, the bottom end of the lower bent pipe (6) is vertically downward, a straight line where a pipe of the inclined slide pipe (5) is located has an included angle relative to a horizontal plane, an adjusting bolt (4) is arranged on the inclined slide pipe (5) in a penetrating way, a fixing nut (3) is arranged on the adjusting bolt (4), the fixing nut (3) is welded on the lower surface of the inclined slide pipe (5), a copper ball (2) is arranged on the left side of the adjusting bolt (4) in the inclined slide pipe (5), an acceptance cone (7) is arranged under the lower bent pipe (6), and a copper elastic sheet (8) is arranged in the acceptance cone (7), the right side of the receiving cone (7) is provided with a bracket (9), and the bracket (9) is fixedly connected with a fixed bottom plate (11) through a pin shaft (10).

2. The vibration detecting device according to claim 1, wherein: the upper bent pipe (1), the inclined chute (5) and the lower bent pipe (6) are integrally formed.

3. The vibration detecting device according to claim 1, wherein: during operation, the upper bent pipe (1), the inclined chute (5), the lower bent pipe (6) and the fixed bottom plate (11) are fixed relative to the bridge type bucket-wheel blending reclaimer device body.

4. The vibration detecting device according to claim 1, wherein: the upper bent pipe (1), the inclined chute (5), the lower bent pipe (6) and the adjusting bolt (4) are all made of stainless steel.