CN210236495U - Auxiliary detection system for height of boxcar - Google Patents

Abstract

The utility model relates to a boxcar height auxiliary detection system, which comprises a blanking pipe, wherein a limiting plate is symmetrically and fixedly arranged on one side of the bottom of the blanking pipe, a limiting chute is dug in the middle of the limiting plate, a cross rod is inserted in an inner cavity of the limiting chute, a first travel switch is fixedly arranged below the cross rod and on one side of the bottom of the blanking pipe, which is far away from the limiting plate, is fixedly connected with a limiting sleeve through a support rod, an ejector rod is inserted in an inner cavity of the limiting sleeve, an anti-skid bottom plate is fixedly arranged at the bottom of the ejector rod, a top plate is fixedly arranged above the anti-skid bottom plate and on the top of the ejector rod, a second travel switch is arranged above the top plate, the ejector rod moves to a position 10 cm away from the bottom of the boxcar before contacting, the blanking pipe stops moving downwards, so that the blanking pipe can be prevented from being damaged due to the fact that the blanking pipe impacts the bottom of the carriage.

Description

Auxiliary detection system for height of boxcar

Technical Field

The utility model relates to a boxcar height auxiliary detection system belongs to boxcar height auxiliary detection technical field.

Background

The power plant is a power plant which converts some form of original energy such as water power, steam, diesel oil and fuel gas into electric energy for fixed facilities or transportation power utilization, thermal power generation is the most common power generation form, coal is needed for thermal power generation, a blanking pipe is used for loading in a coal ash conveying system of the power plant, and due to the fact that transportation vehicles are different and the heights of carriages are different, materials cannot be controlled, the vehicles cannot be filled or overflow the carriages, and operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the existing defects, the utility model provides a boxcar height auxiliary detection system, which can prevent coal from being filled or overflowing the boxcar, the use is convenient, the limiting chute is arranged in the middle of the limiting plate, the inner cavity of the limiting chute is inserted with a transverse rod wider than the boxcar, after the blanking pipe moves down, the transverse rod shed is arranged at the two sides of the boxcar without moving down along with the blanking pipe, the extrusion block at the bottom of the transverse rod is separated from the first travel switch, the first travel switch sends a signal that the blanking pipe has entered the interior of the boxcar to the remote PLC controller, otherwise, the blanking pipe rises, the first travel switch is contacted with the extrusion block at the bottom of the transverse rod again, the first travel switch sends a signal that the blanking pipe is separated from the boxcar to the remote PLC controller, the emptying is forbidden by the PLC controller to prevent the material from overflowing, the blanking pipe moves down to a, the ejector pin draws upwards to lead and moves the second travel switch, and the second travel switch sends the unloading pipe signal that has arrived in place to the distant place PLC controller, and the unloading pipe stops moving down, can prevent that the unloading pipe from striking the carriage bottom and damaging, can effectively solve the problem among the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

boxcar height auxiliary detection system, including the unloading pipe, the fixed limiting plate that is equipped with of unloading pipe bottom one side symmetry, dig at the limiting plate middle part and be equipped with spacing spout, spacing spout inner chamber alternates and is equipped with the horizontal pole, the horizontal pole below is located unloading pipe bottom one side fixed mounting has first travel switch, one side that the limiting plate was kept away from to the unloading pipe bottom is through branch fixedly connected with spacing sleeve, spacing sleeve inner chamber alternates and is equipped with the ejector pin, the fixed anti-skidding bottom plate that is equipped with in ejector pin bottom, anti-skidding bottom plate top is located the fixed roof that is equipped with in ejector pin top, the roof top is equipped with second travel switch, just second travel switch fixed mounting is in unloading pipe one side.

Further, a return spring is sleeved on the outer side of the bottom of the ejector rod.

Further, limiting discs are symmetrically and fixedly sleeved on the outer sides of the cross rods and are located on one side of the limiting plate.

Furthermore, an extrusion block is fixedly arranged at the bottom of the cross rod and is positioned right above the first travel switch.

Further, a rubber pad is fixedly arranged at the top of the top plate, and anti-slip stripes are arranged on the surface of the top of the rubber pad at equal intervals.

Further, the length of the cross bar is greater than the width of the boxcar.

The utility model discloses beneficial effect: the utility model relates to a boxcar height auxiliary detection system, can prevent that the coal material can not fill or spill over the carriage, convenient to use, through set up spacing spout in the middle part of the limiting plate, spacing spout inner chamber alternates and sets up a horizontal pole wider than the boxcar, the horizontal pole canopy is in boxcar both sides after the unloading pipe moves down, do not move down along with the unloading pipe, the extrusion piece of horizontal pole bottom separates with first travel switch, first travel switch sends the signal that the unloading pipe has entered the boxcar body to the remote PLC controller, otherwise the unloading pipe rises, first travel switch contacts again with the extrusion piece of horizontal pole bottom, first travel switch sends the unloading pipe to the remote PLC controller and breaks away from the signals of the boxcar body, forbid the blowing through the PLC controller and prevent the material from spilling, move down to the ejector pin of 10 centimetres distance bottom of unloading pipe and contact before the carriage bottom, the ejector pin pulls the guide second travel switch upwards, the second travel switch sends a signal that the blanking pipe is in place to the remote PLC, and the blanking pipe stops moving downwards, so that the blanking pipe can be prevented from being damaged due to the fact that the blanking pipe collides with the bottom of the carriage.

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.

Fig. 1 is the utility model discloses boxcar height auxiliary detection system elevation.

Fig. 2 is the utility model discloses boxcar height auxiliary detection system side view.

Figure 3 is the utility model discloses boxcar height auxiliary detection system's horizontal pole side view.

Reference numbers in the figures: 1. a discharging pipe; 2. a limiting plate; 3. a limiting chute; 4. a cross bar; 5. a first travel switch; 6. a strut; 7. a limiting sleeve; 8. a top rod; 9. an anti-skid bottom plate; 10. a top plate; 11. a second travel switch; 12. a return spring; 13. a limiting disc; 14. extruding the block; 15. and (7) a rubber pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, the auxiliary detection system for the height of the boxcar comprises a blanking pipe 1, wherein one side of the bottom of the blanking pipe 1 is symmetrically and fixedly provided with a limiting plate 2, the middle part of the limiting plate 2 is dug with a limiting chute 3, the limiting chute 3 is arranged to facilitate the up-and-down sliding of a cross rod 4, an inner cavity of the limiting chute 3 is inserted with the cross rod 4, a first travel switch 5 is fixedly arranged below the cross rod 4 and positioned on one side of the bottom of the blanking pipe 1, after the blanking pipe 1 moves downwards, the cross rod 4 shed is positioned on two sides of the boxcar and does not move downwards along with the blanking pipe 1, an extrusion block 14 at the bottom of the cross rod 4 is separated from the first travel switch 5, the first travel switch 5 sends a signal that the blanking pipe 1 enters the interior of the boxcar body to a remote PLC controller, the blanking pipe 1 ascends reversely, the first travel switch 5 is in contact with the extrusion block 14 at the, the PLC controller prohibits discharging to prevent the overflow of the material, one side of the bottom of the discharging pipe 1 far away from the limit plate 2 is fixedly connected with a limit sleeve 7 through a support rod 6, the limit sleeve 7 is arranged to enable an ejector rod 8 to slide up and down, an ejector rod 8 is inserted into the inner cavity of the limiting sleeve 7, an anti-skid bottom plate 9 is fixedly arranged at the bottom of the ejector rod 8, a top plate 10 is fixedly arranged above the anti-skid bottom plate 9 and positioned at the top of the ejector rod 8, a second travel switch 11 is arranged above the top plate 10, the second travel switch 11 is fixedly arranged at one side of the blanking pipe 1, when the blanking pipe 1 moves downwards to a position 10 cm away from the bottom of the carriage, the ejector rod 8 contacts with the bottom of the carriage firstly, the ejector rod 8 pulls upwards to guide the second travel switch 11, the second travel switch 11 sends a signal that the blanking pipe 1 is in place to the remote PLC, the blanking pipe 1 stops moving downwards, and the blanking pipe 1 can be prevented from being damaged due to the fact that the blanking pipe 1 collides with the bottom of the carriage.

The outer side of the bottom of the ejector rod 8 is sleeved with a return spring 12, the ejector rod 8 can be reset by arranging the return spring 12, the outer side of the cross rod 4 is symmetrically and fixedly sleeved with a limiting disc 13, the limiting disc 13 is positioned at one side of the limiting plate 2, the limiting disc 13 is arranged to prevent the transverse rod 4 from shaking left and right, the bottom of the transverse rod 4 is fixedly provided with an extrusion block 14, and the extrusion block 14 is positioned right above the first travel switch 5, so that the cross rod 4 can conveniently extrude the first travel switch 5, the opening and closing of the first travel switch 5 are conveniently controlled, the top of the top plate 10 is fixedly provided with a rubber pad 15, the surface of the top of the rubber pad 15 is equidistantly provided with anti-skid stripes, the top plate 10 can be prevented from violently striking the second stroke switch 11, the second stroke switch 11 can be prevented from being damaged, the length of the cross rod 4 is larger than the width of the boxcar, so that the cross rod 4 can be conveniently covered on the top of the boxcar.

The utility model discloses the theory of operation: after the blanking pipe 1 moves downwards, the cross rod 4 is arranged on two sides of the boxcar and does not move downwards along with the blanking pipe 1, the extrusion block 14 at the bottom of the cross rod 4 is separated from the first travel switch 5, the first travel switch 5 sends a signal that the blanking pipe 1 enters the boxcar body to a remote PLC (programmable logic controller), the blanking pipe 1 ascends reversely, the first travel switch 5 is in contact with the extrusion block 14 at the bottom of the cross rod 4 again, the first travel switch 5 sends a signal that the blanking pipe 1 is separated from the boxcar body to the remote PLC, the PLC prohibits the emptying, and the overflow of materials can be prevented, when the blanking pipe 1 moves downwards to a position 10 cm away from the bottom of the carriage, the ejector rod 8 contacts with the bottom of the carriage firstly, the ejector rod 8 pulls upwards to guide the second travel switch 11, the second travel switch 11 sends a signal that the blanking pipe 1 is in place to the remote PLC, the blanking pipe 1 stops moving downwards, and the blanking pipe 1 can be prevented from being damaged due to the fact that the blanking pipe 1 collides with the bottom of the carriage.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (6)

1. Boxcar height auxiliary detection system, including unloading pipe (1), its characterized in that: limiting plates (2) are symmetrically and fixedly arranged on one side of the bottom of the blanking pipe (1), a limiting sliding groove (3) is dug in the middle of each limiting plate (2), a cross rod (4) is inserted into the inner cavity of the limiting chute (3), a first travel switch (5) is fixedly arranged on one side of the lower part of the cross rod (4) at the bottom of the blanking pipe (1), one side of the bottom of the blanking pipe (1) far away from the limiting plate (2) is fixedly connected with a limiting sleeve (7) through a supporting rod (6), an ejector rod (8) is inserted into the inner cavity of the limiting sleeve (7), an anti-skid bottom plate (9) is fixedly arranged at the bottom of the ejector rod (8), a top plate (10) is fixedly arranged above the anti-skid bottom plate (9) and positioned at the top of the ejector rod (8), a second travel switch (11) is arranged above the top plate (10), and the second travel switch (11) is fixedly arranged on one side of the blanking pipe (1).

2. The boxcar height auxiliary detection system of claim 1, wherein: and a return spring (12) is sleeved on the outer side of the bottom of the ejector rod (8).

3. The boxcar height auxiliary detection system of claim 1, wherein: limiting discs (13) are symmetrically and fixedly sleeved on the outer side of the cross rod (4), and the limiting discs (13) are located on one side of the limiting plate (2).

4. The boxcar height auxiliary detection system of claim 1, wherein: an extrusion block (14) is fixedly arranged at the bottom of the cross rod (4), and the extrusion block (14) is positioned right above the first stroke switch (5).

5. The boxcar height auxiliary detection system of claim 1, wherein: the anti-skid roof is characterized in that a rubber pad (15) is fixedly arranged at the top of the top plate (10), and anti-skid stripes are arranged on the surface of the top of the rubber pad (15) at equal intervals.

6. The boxcar height auxiliary detection system of claim 1, wherein: the length of the cross rod (4) is larger than the width of the boxcar.

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