CN217808228U - Abnormal displacement monitoring device for escalator host - Google Patents

Abstract

The utility model belongs to the escalator field, concretely relates to unusual displacement monitoring devices of automatic escalator host computer, install host computer subassembly and the determine module on the truss including truss, cooperation, determine module includes light-shielding piece, first contrast photoelectric switch and second contrast photoelectric switch, first contrast photoelectric switch and second contrast switch set up relatively on one of them of host computer subassembly and truss, light-shielding piece sets up on host computer subassembly and truss wherein another, and it has the inspection hole, the inspection hole is used for supplying photoelectric signal between first contrast photoelectric switch and the second contrast photoelectric switch to pass, realizes the signal connection between first contrast photoelectric switch and the second contrast photoelectric switch. The utility model discloses can detect the too big condition of host computer displacement to cut off photoelectric signal's transmission, cut off power supply loop behind the signal feedback makes automatic escalator shutdown, avoids unexpected the emergence.

Description

Abnormal displacement monitoring device for escalator host

Technical Field

The utility model belongs to the escalator field, concretely relates to abnormal displacement monitoring devices of automatic escalator host computer.

Background

The escalator main machine is usually installed in a truss through a main machine bottom plate, the main machine can vibrate in operation, the service life is long, screws are easy to loosen, the main machine is further caused to generate displacement, and the main machine is easy to cause faults due to overlarge displacement.

Based on the problems, the applicant provides an abnormal displacement monitoring device for a main machine of an escalator.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects of the prior art, the utility model provides an abnormal displacement monitoring device technical scheme of escalator host computer.

The utility model provides an abnormal displacement monitoring devices of automatic staircase host computer, includes the truss, the cooperation is installed host computer subassembly and the determine module on the truss, determine module includes light-shading spare, first correlation photoelectric switch and second correlation photoelectric switch, first correlation photoelectric switch and second correlation switch set up relatively on one of host computer subassembly and truss, light-shading spare sets up on one of them of host computer subassembly and truss, and it has the inspection hole, the inspection hole is used for supplying the photoelectric signal between first correlation photoelectric switch and the second correlation photoelectric switch to pass, realizes the signal connection between first correlation photoelectric switch and the second correlation photoelectric switch.

Further, the shading piece is arranged on the host machine component, and the first photoelectric counter switch and the second photoelectric counter switch are arranged on the truss.

Further, the main body of the light shielding member is a vertically arranged plate-shaped structure.

Further, the first photoelectric switch is installed on the host computer subassembly or truss through the first switch support that sets up.

Further, the second opposed photoelectric switch is arranged on the host machine component or the truss through a second switch bracket.

Further, the detection hole is a circular hole or a polygonal hole.

Further, a controller is included and is electrically connected to the first and second opposed photoelectric switches.

Further, the host computer subassembly includes the host computer bottom plate that sets up on the truss and sets up the host computer on the host computer bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The utility model can detect the condition of overlarge host displacement, thereby cutting off the transmission of photoelectric signals, and cutting off the power supply loop after signal feedback, so that the escalator stops running and accidents are avoided;

2) The utility model can adjust the sensitivity of detection by the design of the size of the detection hole;

3) The utility model discloses simple to operate easily adjusts, need not loaded down with trivial details debugging and can use.

Drawings

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

FIG. 2 is a view taken along line A of FIG. 1;

fig. 3 is a schematic view of the structure of the light shielding member of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-3, an abnormal displacement monitoring device for a main machine of an escalator includes a truss 1, a main machine assembly cooperatively installed on the truss 1, and a detection assembly, wherein the detection assembly includes a light shielding member 3, a first counter photoelectric switch 5 and a second counter photoelectric switch 8, the first counter photoelectric switch 5 and the second counter photoelectric switch 8 are oppositely disposed on one of the main machine assembly and the truss 1, the light shielding member 3 is disposed on the other of the main machine assembly and the truss 1, the light shielding member 3 has a detection hole 300, and the detection hole 300 is used for allowing a photoelectric signal between the first counter photoelectric switch 5 and the second counter photoelectric switch 8 to pass through, so as to realize signal connection between the first counter photoelectric switch 5 and the second counter photoelectric switch 8.

The shading member 3 is preferably mounted on the main unit assembly, and the first and second photoelectric switches 5 and 8 are preferably mounted on the truss 1 in a left-right pair.

In some embodiments, it is also possible that the light shield 3 is mounted on the truss 1 and the first and second paired optoelectronic switches 5 and 8 are mounted on the host component.

The main machine assembly comprises a main machine bottom plate 4 arranged on the truss 1 and a main machine 2 arranged on the main machine bottom plate 4. The shade 3 is preferably mounted to the main body 2, and may be mounted to the main body chassis 4.

If the first and second photoelectric switches 5 and 8 are mounted on the host component, they can be mounted on either the host 2 or the host backplane 4.

Continuing to refer to fig. 3, the main body of the light shielding member 3 is a vertically disposed plate-shaped structure, which is perpendicular to the transmission direction of the photoelectric signal of the photoelectric switch. The light-shielding member 3 is made of opaque material, and the area thereof can be designed according to the requirement.

Further, the inspection hole 300 on the light shielding member 3 is preferably a round hole, the diameter of which can be designed according to the requirement, preferably 0.5-2mm, and the light shielding member 3 can be replaced when in specific use, and replaced with the light shielding member 3 with different apertures.

In addition, the detection hole 300 may be a polygonal hole.

With continued reference to fig. 2, a first opposed photoelectric switch 5 is mounted on the truss 1 by means of a first switch bracket 6 provided. A second pair of photoelectric switches 8 is mounted on the truss 1 by means of a second switch bracket 7 provided. The first switch bracket 6 and the second switch bracket 7 are arranged in bilateral symmetry, and are arranged in the same symmetry with respect to the first photoelectric counter switch 5 and the second photoelectric counter switch 8.

Wherein, all install corresponding correlation photoelectric switch through waist type hole on first switch support 6 and the second switch support 7, waist type hole is convenient for adjust mounted position.

Further, the utility model discloses still include the controller, the controller is connected with first convection photoelectric switch 5 and second convection photoelectric switch 8 electricity. The structure, corresponding electrical connection relationship and working principle of the controller are known in the art and are not described in detail.

The first and second photoelectric switches 5 and 8 are also known in the art and may be in the form of infrared, laser, etc.

During installation, the positions of the light shielding piece 3 and the two correlation photoelectric switches are adjusted to enable the two correlation photoelectric switches to be over against the detection hole 300 of the light shielding piece 3, and therefore photoelectric signals can be normally transmitted through the detection hole 300.

In the use, when host computer 2 takes place around or when displacement or slope from top to bottom, drive the simultaneous displacement of light-shielding piece 3, make correlation photoelectric switch sheltered from by light-shielding piece 3 to cut off photoelectric signal's transmission, cut off power supply circuit behind the signal feedback controller, thereby make escalator stop operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The abnormal displacement monitoring device for the escalator main machine comprises a truss (1), a main machine assembly and a detection assembly, wherein the main machine assembly and the detection assembly are installed on the truss (1) in a matched mode, the detection assembly comprises a light shielding piece (3), a first counter photoelectric switch (5) and a second counter photoelectric switch (8), the first counter photoelectric switch (5) and the second counter photoelectric switch (8) are oppositely arranged on one of the main machine assembly and the truss (1), the light shielding piece (3) is arranged on the other of the main machine assembly and the truss (1), the light shielding piece is provided with a detection hole (300), the detection hole (300) is used for allowing photoelectric signals between the first counter photoelectric switch (5) and the second counter photoelectric switch (8) to pass through, and signal connection between the first counter photoelectric switch (5) and the second counter photoelectric switch (8) is achieved.

2. The escalator main machine abnormal displacement monitoring device according to claim 1, characterized in that the shading member (3) is disposed on the main machine assembly, and the first and second photoelectric counter-emitting switches (5, 8) are disposed on the truss (1).

3. The escalator main machine abnormal displacement monitoring device according to claim 1, characterized in that the main body of the shading member (3) is a vertically arranged plate-shaped structure.

4. The escalator main machine abnormal displacement monitoring device according to claim 1, characterized in that the first photoelectric counter-emitting switch (5) is mounted on the main machine assembly or the truss (1) through a first switch bracket (6).

5. The escalator main machine abnormal displacement monitoring device according to claim 1, characterized in that the second contra-photoelectric switch (8) is mounted on the main machine assembly or the truss (1) through a second switch bracket (7).

6. The escalator main unit abnormal displacement monitoring device according to claim 1, wherein the detection hole (300) is a circular hole or a polygonal hole.

7. The escalator main machine abnormal displacement monitoring device according to any one of claims 1-6, characterized by further comprising a controller electrically connected with the first and second paired photoelectric switches (5, 8).

8. The escalator main machine abnormal displacement monitoring device according to any one of claims 1-6, characterized in that the main machine assembly comprises a main machine bottom plate (4) arranged on the truss (1) and a main machine (2) arranged on the main machine bottom plate (4).

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