CN210559025U

CN210559025U - Anti-inclination detection device of tower crane

Info

Publication number: CN210559025U
Application number: CN201921058884.0U
Authority: CN
Inventors: 王榕慧
Original assignee: FUJIAN KEJIE LIFTING MACHINERY CO LTD
Current assignee: FUJIAN KEJIE LIFTING MACHINERY CO LTD
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-19
Anticipated expiration: 2029-07-08

Abstract

The utility model provides a tower crane prevents detection device to one side, including the cavity body, the internal horizontal insulator spindle and the lower horizontal insulator spindle of two upper and lower arrangements that are provided with of hollow tube, upper horizontal insulator spindle intermediate junction has flagging conductive rope naturally, the conductive rope lower extreme is connected with the conducting ball, the ascending conducting rod of lower horizontal insulator spindle intermediate junction, the upper end of conducting rod and the lower extreme point contact of conducting ball, the conducting rope passes through electric wire I and normal display lamp, a relay, first power and conducting rod series connection become first circuit, a relay passes through electric wire II and unusual alarm lamp, the second power, warning loudspeaker and control switch allies oneself with and connect into the second return circuit, first return circuit intercommunication and second return circuit disconnection when conducting rod and conducting ball contact, second return circuit intercommunication and first return circuit disconnection when conducting rod and conducting ball contactless. The utility model discloses detection tower body slope that can be fine, when the tower body slope, unusual alarm lamp is bright and warning loudspeaker send the chimes of doom, and sensitivity and good reliability.

Description

Anti-inclination detection device of tower crane

Technical Field

The utility model relates to a hoist field, in particular to tower crane prevents oblique detection device.

Background

Tower cranes, also known as tower cranes, originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.

Because the tower body of the tower crane needs to be used for lifting a supported heavy object for a long time, the tower crane is easy to incline, and if the tower crane is not found and maintained in time, safety accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can detect tower crane slope to detection device is prevented inclining by tower crane that sensitivity and good reliability.

The technical scheme of the utility model is realized like this:

detection device is prevented to one side by tower crane, including the cavity body, the internal last horizontal insulator spindle and the lower horizontal insulator spindle that arranges from top to bottom that is provided with two of hollow tube, it has flagging conductive rope naturally to go up horizontal insulator spindle intermediate junction, the conductive rope lower extreme is connected with the conducting ball, the ascending conducting rod of horizontal insulator spindle intermediate junction down, the upper end of conducting rod and the lower extreme point contact of conducting ball, the conducting rope passes through electric wire I and normal pilot lamp, the relay, first power and conducting rod series connection become first return circuit, the relay passes through electric wire II and unusual alarm lamp, the second power, warning loudspeaker and control switch allies oneself with and connect into the second return circuit, first return circuit intercommunication and second return circuit disconnection when conducting rod and conducting ball contactless.

Further, the relay is a transfer type relay.

Furthermore, the side wall of the hollow pipe body is provided with a through hole through which the upper horizontal insulating rod and the lower horizontal insulating rod pass.

Furthermore, pipe plugs are plugged in the upper port and the lower port of the hollow pipe body.

Further, the normal display lamp is a green lamp, and the abnormal alarm lamp is a red lamp.

Further, the alarm horn is a buzzer.

Further, the control switch is a key switch.

The utility model has the advantages that: when the utility model is used, the hollow pipe body is vertically fixed on the tower body of the tower crane, when the tower body is normal, the conducting rod is contacted with the conducting ball, the first loop is connected, the second loop is disconnected, and the normal display lamp is on; when the body of the tower inclines, the conducting rod is deviated from the conducting rod, the conducting rod is not contacted with the conducting rod, the second loop is communicated with the first loop, the abnormal alarm lamp is turned on, the alarm horn gives an alarm sound, and the sensitivity and the reliability are good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the anti-tilt detection device of the tower crane of the present invention;

fig. 2 is a state diagram of the present invention when the tower body of the tower crane is inclined.

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 and 2, the inclination prevention detection device for the tower crane comprises a hollow pipe body 1, two upper horizontal insulating rods 11 and lower horizontal insulating rods 12 which are arranged up and down are arranged in the hollow pipe body 1, a naturally drooping conductive rope 13 is connected in the middle of the upper horizontal insulating rod 11, a conductive ball 14 is connected at the lower end of the conductive rope 13, an upward conductive rod 15 is connected in the middle of the lower horizontal insulating rod 12, the upper end of the conductive rod 15 is in point contact with the lower end of the conductive ball 14, the conductive rope 13 is connected in series with a normal display lamp 21, a relay 22, a first power supply 23 and the conductive rod 15 through a wire I2 to form a first loop, the relay 22 is connected with an abnormal alarm lamp 31 through a wire II3, the second power supply 32, the alarm horn 33 and the control switch 34 are connected to form a second loop, the first loop is connected and the second loop is disconnected when the conductive rod 15 is in contact with the conductive ball 14, and the second loop is connected and the first loop is disconnected when the conductive rod 15 is not in contact with the conductive ball 14. The conductive cord 13 is a conductive metal cord, and the conductive ball 14 is a conductive metal ball.

Preferably, the relay 22 is a transfer type relay.

Preferably, a through hole 16 through which the upper horizontal insulating rod and the lower horizontal insulating rod pass is formed in the side wall of the hollow pipe body 1.

Preferably, the upper port and the lower port of the hollow pipe body 1 are plugged with pipe plugs 17.

Preferably, the normal display lamp 21 is a green lamp, and the abnormality warning lamp 31 is a red lamp.

Preferably, the alarm horn 33 is a buzzer.

Preferably, the control switch 34 is a key switch.

When the utility model is used, the hollow pipe body 1 is vertically fixed on the tower body of the tower crane, when the tower body is normal, the conducting rod 15 is contacted with the conducting ball 14, the contact I in the relay 22 is communicated, the contact II is disconnected, the first loop is communicated and the second loop is disconnected, and the normal display lamp is on 21; when the body of the tower inclines, together with hollow pipe body 1 and conducting rod 15 together incline, but conducting ball 14 still keeps the vertical state under the action of self gravity, so conducting ball 14 skew conducting rod 15, conducting rod 15 and conducting ball 14 contactless, the disconnection of contact I in relay 22, contact II intercommunication, second return circuit intercommunication and first return circuit disconnection, unusual alarm lamp 31 lights and alarm horn sends the chimes of doom, and sensitivity and good reliability.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Detection device that inclines is prevented to tower crane, its characterized in that: including the cavity body, the internal last horizontal insulator spindle and the lower horizontal insulator spindle that arranges from top to bottom that is provided with of hollow tube, it has naturally flagging conductive rope to go up horizontal insulator spindle intermediate junction, the conductive rope lower extreme is connected with the conductive ball, the ascending conducting rod of horizontal insulator spindle intermediate junction down, the upper end of conducting rod and the lower extreme point contact of conductive ball, the conductive rope passes through electric wire I and normal pilot lamp, a relay, first power and conducting rod series connection become first circuit, the relay passes through electric wire II and abnormal alarm lamp, the second power, warning loudspeaker and control switch series connection become the second return circuit, first circuit intercommunication and second return circuit disconnection when conducting rod and conductive ball contact, second return circuit intercommunication and first circuit disconnection when conducting rod and conductive ball contactless.

2. The anti-tilt detection device for a tower crane according to claim 1, wherein: the relay is a conversion type relay.

3. The anti-tilt detection device for a tower crane according to claim 1, wherein: and the side wall of the hollow pipe body is provided with a through hole through which the upper horizontal insulating rod and the lower horizontal insulating rod pass.

4. The anti-tilt detection device for a tower crane according to claim 1, wherein: and pipe plugs are plugged in the upper port and the lower port of the hollow pipe body.

5. The anti-tilt detection device for a tower crane according to claim 1, wherein: the normal display lamp is a green lamp, and the abnormal alarm lamp is a red lamp.

6. The anti-tilt detection device for a tower crane according to claim 1, wherein: the alarm horn is a buzzer.

7. The anti-tilt detection device for a tower crane according to claim 1, wherein: the control switch is a key switch.