CN216863440U

CN216863440U - Gantry crane girder amount of deflection safety inspection alarm device

Info

Publication number: CN216863440U
Application number: CN202122911207.2U
Authority: CN
Inventors: 王炳国; 李红星
Original assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Current assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-01
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a gantry crane girder deflection safety detection alarm device, which relates to the field of industrial production and aims to solve the problem that an operation site cannot be immediately warned when the deflection of a gantry crane girder exceeds a danger threshold value due to overlarge deflection.

Description

Gantry crane girder amount of deflection safety inspection alarm device

Technical Field

The utility model relates to the technical field of industrial production, in particular to a gantry crane main beam deflection safety detection alarm device.

Background

At present, with the development of international trade and heavy industry, the variety and number of gantry cranes are increasing, a gantry crane (also called a gantry crane) is a bridge crane with a bridge supported on a ground rail by legs at two sides, and structurally comprises a gantry, a cart running mechanism, a lifting trolley, an electric part and the like, some gantry cranes have legs at one side, and the other side is supported on a factory building or a trestle to run, and are called as a semi-portal crane, a gantry crane upper bridge (comprising a main beam and an end beam), legs, a lower beam and the like, in order to expand the operation range of the crane, the main beam can extend out of the legs to one side or two sides to form a cantilever, or the lifting trolley with the cantilever can be adopted to expand the operation range of the crane by pitching and rotating the cantilever, and the main beam of the gantry crane is used as a part for directly bearing heavy objects, when the deflection reaches a certain degree, the deflection has a great influence on the structural safety of the main beam, so the deflection of the main beam is an important parameter for observing the working state of the main beam.

The existing deflection real-time monitoring generally adopts a deflection detector, can measure two-dimensional variation of vertical and horizontal relative displacement of an object at any angle, a deflection detector is arranged on a detector bracket and is placed at an appointed position in a contact manner, a target lamp is arranged on a measured point of a main beam, other deflection detectors are sequentially arranged according to the point to be measured similarly, the deflection detector is connected to a terminal controller through a transmission cable, when the main beam deforms due to deflection after the main beam bears a heavy object, a corresponding displacement deformation sensor is arranged on the deflection detector to measure corresponding deformation displacement, the corresponding deformation displacement is transmitted to the terminal controller, the terminal controller is processed into a curve diagram through software and is started on a display of a monitoring room, and the real-time deflection of the corresponding main beam is displayed in real time.

The above prior art solutions have the following drawbacks: when the deflection detector detects that the main beam reaches dangerous deflection, an operator on duty sitting in a monitoring room needs a certain reaction time to send an effective driving warning to the site, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gantry crane girder deflection safety detection alarm device.

In order to achieve the purpose, the utility model provides the following technical scheme:

the deflection detector comprises a target lamp, a deflection detector for detecting the relative displacement of the target lamp and a terminal controller for processing the relative displacement data of the target lamp, wherein the deflection detector is electrically connected with the deflection detector, the target lamp is fixedly installed on the outer wall of the midpoint of the girder, the outer wall of one end of the girder is fixedly installed on the outer wall of one end of the girder and is aligned with the target lamp, the terminal controller is installed on the outer wall of the girder, an alarm device is fixedly arranged on the outer wall of the girder, and the outer wall of the bearing column is electrically connected with the alarm device.

By adopting the technical scheme, the deflection detector uninterruptedly sends the relative displacement data of the beacon light to the terminal controller in real time, the terminal controller calculates the deflection of the main beam in real time, and when the deflection of the main beam exceeds a safety threshold, the alarm device is started to drive away field workers for the first time, so that the life safety of operators is effectively ensured.

Further, alarm device includes the casing, the casing is close to the one side of heel post and extends the fixed a plurality of mounting panels that are provided with of periphery, the mounting panel runs through and is provided with the bolt mounting hole, a plurality of screw thread mounting holes have been seted up to the heel post outer wall.

By adopting the technical scheme, the bolt penetrates through the bolt mounting hole and is screwed into the thread mounting hole, and the alarm device is firmly mounted on the bearing column of the portal crane on the operation site.

Further, a placing cavity is formed in the shell, a signal receiving module for receiving signals is fixedly arranged on the inner wall of the placing cavity, an audible and visual alarm is fixedly arranged on the outer wall of the shell, the terminal controller is electrically connected with the signal receiving module, and the signal receiving module is electrically connected with the audible and visual alarm.

By adopting the technical scheme, the deflection of the main beam exceeds the safety threshold, the terminal controller can transmit an electric signal to the alarm device, and the signal receiving module controls and starts the audible and visual alarm after analyzing the received electric signal.

Further, audible and visual alarm is including the warning loudspeaker of sending alarm sound and the warning light of sending alarm light, warning loudspeaker presets "dangerous, hoist girder is dangerous, please keep away from the hoist immediately" warning sound, the warning light is red yellow quick alternative scintillation.

Through adopting above-mentioned technical scheme, the field operation personnel can hear the warning prompt tone, see warning light to the place that will probably take place the accident is known to the very first time accuracy, causes the casualties because of excessive panic through the girder below when preventing to flee.

Further, the outer side wall of the shell is rotatably connected with a pull ring.

Through adopting above-mentioned technical scheme, the staff is in the climbing installation, and the staff can be with pull ring cover on a finger to guarantee that both hands climbing ladder alarm device can not drop from the eminence easily in the staff installation, when not using, can overturn the laminating at shells outer wall with the transport ring, thereby prevent that the outstanding shells outer wall of pull ring from suffering to scrape and bump.

Furthermore, a magnetic suction block with magnetism is fixedly arranged on one side, close to the shell, of the pull ring, and a magnetic suction convex block mutually attracted with the magnetic suction block is fixedly arranged on one side, close to the pull ring, of the shell.

Through adopting above-mentioned technical scheme, prevent that the pull ring from overturning under the effect of gravity to play the effect of fixed pull ring, and then play the effect of further protection pull ring.

Further, the outer wall of the shell is fixedly provided with a reset button for closing the audible and visual alarm, and the reset button is electrically connected with the signal receiving module.

Through adopting above-mentioned technical scheme, after the girder amount of deflection resumes normal range, press the reset button and send the signal of telecommunication to signal receiving module, signal receiving module analysis processes the signal of telecommunication control alarm device and closes, has made things convenient for artifical manual reset to close audible-visual annunciator after the accident.

In conclusion, the beneficial technical effects of the utility model are as follows:

1. an alarm device which can be arranged on the outer wall of the bearing column is adopted, so that the effect of driving away personnel on an operation site to guarantee the life safety of the personnel at the first time is achieved;

2. the pull ring is adopted, so that the effect of facilitating the transportation and installation of the alarm device is achieved;

3. the magnetic suction block and the magnetic suction convex block are adopted, so that the effect of fixedly accommodating the pull ring and preventing the pull ring from being scraped is achieved.

Drawings

FIG. 1 is a schematic of the overall structure of the present invention;

FIG. 2 is a schematic view of the alarm device;

FIG. 3 is a front view of the alarm device;

FIG. 4 is a schematic sectional view of the alarm device;

fig. 5 is a schematic view of the structure of part a in fig. 4.

In the figure, 1, a gantry crane; 11. a main beam; 12. a load-bearing column; 2. a deflection detector; 21. A target lamp; 22. a deflection detector; 23. a terminal controller; 3. an alarm device; 31. a housing; 32. mounting a plate; 321. a bolt mounting hole; 33. placing the cavity; 331. a signal receiving module; 34. an audible and visual alarm; 341. an alarm horn; 342. a warning light; 35. a pull ring; 351. A magnetic block; 352. magnetically attracting the bump; 36. a reset button.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a gantry crane 1 and a deflection detector 2, the gantry crane 1 includes a main beam 11 for receiving heavy objects and a bearing pillar 12 for supporting the main beam 11, the deflection detector 2 includes a beacon light 21, a deflection detector for detecting the relative displacement of the beacon light 21 and a terminal controller 23 for processing the relative displacement data of the beacon light 21, the terminal controller 23 is electrically connected with the deflection detector 22, the beacon light 21 is fixedly installed on the outer wall of the midpoint of the main beam 11, the deflection detector is fixedly installed on the outer wall of one end of the main beam 11 to be aligned with the beacon light 21, the terminal controller 23 is installed on the outer wall of the main beam 11, the outer wall of the bearing pillar 12 is fixedly provided with an alarm device 3, the terminal controller 23 is electrically connected with the alarm device 3, the deflection detector uninterruptedly sends the relative displacement data of the beacon light 21 to the terminal controller 23 in real time, the terminal controller 23 calculates the deflection of the main beam 11 in real time, when the deflection of the main beam 11 exceeds a safety threshold, the alarm device 3 is started to expel away field workers at the first time, the life safety of operators is effectively guaranteed, and the outer wall of the bearing column 12 is provided with a threaded mounting hole for mounting the alarm device 3.

Referring to fig. 2 and 3, the alarm device 3 includes a housing 31, a plurality of mounting plates 32 are fixedly arranged on one side of the housing 31 close to the bearing column 12 in an extending manner, bolt mounting holes 321 are arranged through the mounting plates 32, bolts can pass through the bolt mounting holes 321 and be screwed into the thread mounting holes, the alarm device 3 is firmly mounted on the bearing column 12 of the portal crane 1 at the operation site, an audible and visual alarm 34 is fixedly arranged on the outer wall of the housing 31, the audible and visual alarm 34 includes an alarm horn 341 for giving out alarm sound and an alarm lamp 342 for giving out alarm light, the alarm horn 341 is preset with danger, the danger of a crane girder is preset, the alarm is immediately kept away from the alarm sound, the alarm lamp 342 is red and yellow and flashes alternately, field operators can listen to the alarm sound, see the alarm light, accurately know the place where accidents are likely to occur at the first time, and prevent the death of the personnel caused by overtopping and panic passing under the girder 11 when escaping, a reset button 36 for turning off the audible and visual alarm 34 is fixedly arranged on the outer wall of the shell 31, so that the audible and visual alarm 34 can be conveniently turned off by manual reset after an accident is finished.

Referring to fig. 4 and 5, a placement cavity 33 is formed inside the casing 31, a signal receiving module 331 for receiving signals is fixedly arranged on the inner wall of the placement cavity 33, the terminal controller 23 is electrically connected with the signal receiving module 331, the signal receiving module 331 is electrically connected with the audible and visual alarm 34 and the reset button 36, the signal receiving module 331 can receive electrical signals sent by the terminal controller 23 and the reset button 36, analysis processing can be performed to selectively start or close the audible and visual alarm 34 according to the received electrical signals, a pull ring 35 is rotatably connected to the outer side wall of the casing 31, a magnetic attraction block 351 with magnetism is fixedly arranged on one side of the pull ring 35 close to the casing 31, a magnetic attraction convex block 352 mutually attracted with the magnetic attraction block 351 is fixedly arranged on one side of the casing 31 close to the pull ring 35, and a worker can sleeve the pull ring 35 on fingers in a climbing installation process, so as to ensure that the ladder alarm device 3 can not easily fall from a high place in a climbing process by both hands during installation process of the worker When not in use, the transportation ring can be attached to the outer wall of the shell 31 through the magnetic block and the magnetic absorption lug 352, so that the effect of preventing the pull ring 35 from protruding out of the outer wall of the shell 31 to be scraped and damaged is achieved.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a gantry crane girder amount of deflection safety inspection alarm device, includes gantry crane (1) and amount of deflection detector (2), gantry crane (1) is including girder (11) of accepting the heavy object and heel post (12) of supporting girder (11), amount of deflection detector (2) are including target lamp (21), detect the amount of deflection detector of target lamp (21) relative displacement and handle terminal controller (23) of target lamp (21) relative displacement data, terminal controller (23) electric connection amount of deflection detector (22), its characterized in that: target lamp (21) fixed mounting is in the outer wall of girder (11) mid point, amount of deflection detector fixed mounting aims at target lamp (21) setting in the outer wall of girder (11) one end, install in girder (11) outer wall terminal controller (23), the fixed alarm device (3) that is provided with of heel post (12) lateral wall, terminal controller (23) electric connection alarm device (3).

2. The gantry crane girder deflection safety detection alarm device according to claim 1, characterized in that: alarm device (3) include casing (31), casing (31) are close to the one side of heel post (12) and extend the fixed a plurality of mounting panels (32) that are provided with of periphery, mounting panel (32) run through and are provided with bolt mounting hole (321), a plurality of screw thread mounting holes have been seted up to heel post (12) outer wall.

3. The gantry crane girder deflection safety detection alarm device according to claim 2, characterized in that: casing (31) inside has been seted up and has been placed cavity (33), place the fixed signal reception module (331) that is provided with received signal of cavity (33) inner wall, casing (31) outer wall is fixed and is provided with audible-visual annunciator (34), terminal controller (23) electric connection signal reception module (331), signal reception module (331) electric connection audible-visual annunciator (34).

4. The gantry crane girder deflection safety detection alarm device according to claim 3, characterized in that: the audible and visual alarm (34) comprises an alarm horn (341) for giving out alarm sound and a warning lamp (342) for giving out alarm light, wherein the alarm horn (341) is preset with ' danger, crane girder danger and please keep away from ' warning sound immediately ', and the warning lamp (342) is red and yellow and flashes alternately and rapidly.

5. The gantry crane girder deflection safety detection alarm device according to claim 2, characterized in that: the outer side wall of the shell (31) is rotatably connected with a pull ring (35).

6. The gantry crane girder deflection safety detection alarm device according to claim 5, characterized in that: the pull ring (35) is close to the fixed magnetic block (351) that is provided with of one side of casing (31), casing (31) is close to the fixed protruding piece (352) of magnetic absorption that adsorb mutually of magnetic block (351) of seting up of one side of pull ring (35).

7. The gantry crane girder deflection safety detection alarm device according to claim 2, characterized in that: the outer wall of the shell (31) is fixedly provided with a reset button (36) for closing the audible and visual alarm (34), and the reset button (36) is electrically connected with the signal receiving module (331).