CN211042473U

CN211042473U - Colliery electromechanical device vibrations detection device

Info

Publication number: CN211042473U
Application number: CN201921902603.5U
Authority: CN
Inventors: 张峰; 孔庆柱; 张士涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-17
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a vibration detection device for coal mine electromechanical equipment, which comprises a box body and a movable plate; the movable plate is located on one side of the box body, a resistance wire is arranged inside the box body, a conducting strip is clamped on the upper side of the resistance wire, one end of the conducting strip is welded on one side of the bottom end of the movable plate, one end of the conducting strip is connected with a wire, a first filling cavity is arranged on one side inside the box body, a phase-change material is filled inside the first filling cavity, a second filling cavity is arranged inside the box body, a drying agent is filled inside the second filling cavity, and one end of the resistance wire is connected in series with. The utility model discloses the device utilizes slide rheostat principle to detect, and in the circuit of stabilizing voltage, electric current and resistance inverse ratio move at the resistance wire upside according to the conducting strip, and the resistance that inserts in the circuit will change, and the electric current will change after the resistance change, and the change through ampere meter upside electric current can detect the vibration range of organism.

Description

Colliery electromechanical device vibrations detection device

Technical Field

The utility model relates to a vibrations detection protective apparatus technical field specifically is a colliery electromechanical device vibrations detection device.

Background

The mining machine is one of the main equipment of the fully mechanized complete sets, the mining machine develops from the coal cutter, the mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, if a fault occurs, the whole coal mining work can be interrupted, huge economic loss is caused, the mechanical coal mining can reduce physical labor and improve safety, the purposes of high yield, high efficiency and low consumption are achieved, at present, the existing mining machine is in the working process, whether the coal mining machine works stably is generally judged through a vibration detector, and the existing vibration detection device is complex in structure and difficult to maintain and use when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery electromechanical device vibrations detection device to solve the problem that current vibrations detection device structure is comparatively complicated to be difficult for maintaining and using when using.

In order to achieve the above object, the utility model provides a following technical scheme: a vibration detection device for coal mine electromechanical equipment comprises a box body and a movable plate; the movable plate is located on one side of the box body, a resistance wire is arranged inside the box body, two ends of the resistance wire are welded to the upper side and the lower side inside the box body, a conducting strip is clamped on the upper side of the resistance wire, one end of the conducting strip is welded to one side of the bottom end of the movable plate, a sliding chute is arranged at the bottom end of the movable plate, a sliding rod penetrates through the middle of the sliding chute, two ends of the sliding rod are welded inside the box body, one end of the conducting strip is connected with a wire, a first filling cavity is arranged on one side inside the box body, a phase-change material is filled inside the first filling cavity, a second filling cavity is arranged inside.

Preferably, the expanded volume of the phase change material is smaller than the volume of the first filler cavity.

Preferably, a steel wire mesh is arranged on one side inside the first filling cavity, and the steel wire mesh is installed on one side of the first filling cavity through a fixing buckle.

Preferably, a spring wire is arranged in the middle of the conducting wire at the rear end of the conducting plate and electrically connected with the conducting wire.

Preferably, the bottom end of the resistance wire is provided with a metal sheet, the resistance wire and the metal sheet are in a short circuit state, and one end of the metal sheet is connected with the alarm through a lead.

Preferably, soft sleeves are arranged on two sides of the bottom end of the moving plate and two sides of the interior of the box body, and the soft sleeves are adhered to two sides of the bottom end of the moving plate and two sides of the interior of the box body through adhesive glue.

With prior art phase transition, the beneficial effects of the utility model are that:

1. the device utilizes the principle of a sliding rheostat to detect, in a circuit for stabilizing voltage, the current is inversely proportional to the resistance, the resistance connected into the circuit changes according to the movement of a conducting sheet on the upper side of a resistance wire, the current changes after the resistance changes, and the vibration amplitude of a machine body can be detected through the change of the current on the upper side of an ammeter;

2. the steel wire mesh is used for increasing the contact area between the drying agent and the air and improving the absorption efficiency of the drying agent on the air moisture;

3. the spring wire can be arranged according to the use, the length of the lead wire can be automatically adjusted, and the lead wires are prevented from being wound;

4. the soft cover can seal the box inside, avoids outside air and moisture to get into the soft cover inside when using, influences the use of the inside electric power original paper of box.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the box body of the present invention;

fig. 4 is a schematic diagram of the circuit structure of the present invention.

In the figure: 1. a box body; 2. moving the plate; 3. a spring wire; 4. a wire; 5. an alarm; 6. a metal sheet; 7. a resistance wire; 8. a conductive sheet; 9. a chute; 10. a soft sleeve; 11. a slide rod; 12. steel wire mesh; 13. a first packing chamber; 14. a phase change material; 15. a second packing chamber; 16. and (4) an ammeter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, and 4, in an embodiment of the present invention, a vibration detection device for coal mine electromechanical devices includes a box 1 and a moving plate 2; the movable plate 2 is located one side of the box body 1, the internal resistance wire 7 that is provided with of box body 1, the welding of 7 both ends of resistance wire is both sides about the box body 1 is inside, 7 upside callipers of resistance wire have conducting

strip

8, 8 one end welding of conducting strip are in 2 bottom one sides of movable plate, 2 bottom of movable plate are provided with spout 9, it has litter 11 to run through in the middle of the spout 9, the welding of 11 both ends of litter is inside the

box body

1, 8 one end of conducting strip is connected with wire 4, 1 internal side of box body is provided with first filler cavity 13, the internal packing of first filler cavity 13 has

phase change material

14, 1 internal portion of box body is provided with second filler cavity 15, the internal packing of second.

Further, the volume of the expanded phase-change material 14 is smaller than that of the first filler cavity 13, the volume of the phase-change material 14 is expanded after heat absorption, and the first filler cavity 13 is arranged in a large size to avoid deformation of the first filler cavity 13 caused by expansion of the phase-change material 14.

Further, the inside one side of first filler chamber 13 is provided with wire net 12, and wire net 12 installs in first filler chamber 13 one side through fixed the knot, and wire net 12 is used for increasing the area of contact between drier and the air, improves the absorption efficiency of drier to air moisture.

Further, 8 rear end wires 4 intermediate positions of conducting strip are provided with spring wire 3, and spring wire 3 and 4 electric connection of wire, and spring wire 3's setting can be according to the use, adjusts wire 4's length automatically, avoids intertwining between the wire 4.

Further, resistance wire 7 bottom is provided with sheetmetal 6, and resistance wire 7 is in the short circuit state with sheetmetal 6, and sheetmetal 6 one end is passed through wire 4 and is connected with siren 5, and when vibration amplitude was great, conducting strip 8 will be drawn resistance wire 7 and sheetmetal 6 contact for siren 5 forms the route, carries out the alarm.

Further, 2 bottom both sides of movable plate and the inside both sides of box 1 are provided with soft cover 10, and soft cover 10 through the sticky both sides of pasting in 2 bottom of movable plate and the inside both sides of box 1 of bonding, soft cover 10 can be sealed 1 insidely of box, avoids outside air and moisture to get into inside soft cover 10 when using, influences the use of the inside electric power original paper of box 1.

The utility model discloses a theory of operation and use flow: when the machine body vibrates, the moving plate 2 arranged at the bottom end of the machine body drives the metal sheet 6 to move, when the metal sheet 6 moves, the resistance value of the resistance wire 7 led into the circuit is changed, the resistance value of the resistance wire 7 led into the circuit is in direct proportion to the length of the resistance wire 7, the current changes after the resistance value of the resistance wire 7 changes, the vibration amplitude of the machine body can be detected through the change of the current on the upper side of the ammeter 16, when the vibration amplitude is converted by current, the resistance can be obtained by dividing the voltage by the current, the length of the lead-in resistance wire 7 can be obtained by dividing the resistance by the resistance of the resistance wire 7 per unit length, the vibration amplitude of the machine body can be obtained by subtracting the basic length of the resistance wire 7 from the length of the resistance wire 7, when in use, the drying agent can dry the inside of the box body 1, and the phase-change material 14 is used for cooling the inside of the box body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vibration detection device for coal mine electromechanical equipment comprises a box body (1) and a movable plate (2); the method is characterized in that: the movable plate (2) is located on one side of the box body (1), a resistance wire (7) is arranged inside the box body (1), two ends of the resistance wire (7) are welded on the upper side and the lower side inside the box body (1), a conducting strip (8) is clamped on the upper side of the resistance wire (7), one end of the conducting strip (8) is welded on one side of the bottom end of the movable plate (2), a sliding groove (9) is arranged at the bottom end of the movable plate (2), a sliding rod (11) penetrates through the middle of the sliding groove (9), two ends of the sliding rod (11) are welded inside the box body (1), one end of the conducting strip (8) is connected with a lead (4), a first filling cavity (13) is arranged on one side inside the box body (1), a phase change material (14) is filled inside the first filling cavity (13), a second filling cavity (15) is arranged inside the, one end of the resistance wire (7) is connected in series with an ammeter (16).

2. The coal mine electromechanical device vibration detection apparatus of claim 1, wherein: the volume of the expanded phase-change material (14) is smaller than that of the first filler cavity (13).

3. The coal mine electromechanical device vibration detection apparatus of claim 1, wherein: a steel wire mesh (12) is arranged on one side inside the first filling cavity (13), and the steel wire mesh (12) is installed on one side of the first filling cavity (13) through a fixing buckle.

4. The coal mine electromechanical device vibration detection apparatus of claim 1, wherein: the middle position of the conducting strip (8) rear end wire (4) is provided with a spring wire (3), and the spring wire (3) is electrically connected with the wire (4).

5. The coal mine electromechanical device vibration detection apparatus of claim 1, wherein: the metal sheet (6) is arranged at the bottom end of the resistance wire (7), the resistance wire (7) and the metal sheet (6) are in a short-circuit state, and one end of the metal sheet (6) is connected with the alarm (5) through a lead (4).

6. The coal mine electromechanical device vibration detection apparatus of claim 1, wherein: the soft sleeves (10) are arranged on two sides of the bottom end of the moving plate (2) and two sides of the interior of the box body (1), and the soft sleeves (10) are adhered to two sides of the bottom end of the moving plate (2) and two sides of the interior of the box body (1) through adhesive glue.