CN109019350B - Alarm device for preventing plate hook tip from being hung on tank trunnion and bridge crane - Google Patents
Alarm device for preventing plate hook tip from being hung on tank trunnion and bridge crane Download PDFInfo
- Publication number
- CN109019350B CN109019350B CN201810915612.1A CN201810915612A CN109019350B CN 109019350 B CN109019350 B CN 109019350B CN 201810915612 A CN201810915612 A CN 201810915612A CN 109019350 B CN109019350 B CN 109019350B
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- Prior art keywords
- wireless signal
- alarm device
- gravity sensor
- bridge crane
- hook
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
- G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The utility model provides a prevent that board hook point hangs alarm device of jar trunnion, the hook point of board hook hangs when the ladle trunnion, ladle trunnion touching trigger bar, gravity that the trigger bar will touch transmits gravity sensor, gravity sensor converts mechanical force into the signal of telecommunication transmission for monitoring device, monitoring device in time discovers bridge crane board hook point after receiving the signal and hangs at ladle trunnion, can realize alone or realize automatic alarm simultaneously and cut off bridge crane owner and roll up the power, make the accident can not continue to worsen. This scheme still provides a bridge crane who has above-mentioned alarm device.
Description
Technical Field
The invention relates to the technical field of bridge cranes, in particular to an alarm device for preventing a plate hook tip from hanging a tank trunnion and a bridge crane.
Background
At present, a bridge crane is used for lifting a molten steel tank, a semi-steel tank and a molten iron tank back and forth in the smelting process of the metallurgical industry, and the conveying frequency is high. Because the bridge crane is higher away from the ground, a crane driver cannot confirm whether the large tank is hung well, and the driver can completely depend on the careful confirmation of a ground vehicle driver. If the ground car is not confirmed, the hook tip of the main winding big hook of the bridge crane is hung on the trunnion of the molten steel tank, and the crane driver lifts the molten steel tank to the upper limit position, as shown in figure 1, the trunnion of the molten steel tank hung on the hook tip is easy to be separated from the plate hook during the operation of the crane, so that the molten steel tank falls on the ground, and the molten steel is poured out to cause a great accident that the plant is damaged and people die.
Therefore, how to provide a hook point of a plate hook of a bridge crane which can be found in time to be hung on a trunnion of a molten steel tank to prevent the accident from continuously worsening is a technical problem which needs to be solved by technical personnel in the field at present.
Disclosure of Invention
In view of the above, the invention provides an alarm device for preventing a plate hook tip from being hung on a ladle trunnion, which can find that the plate hook tip of a bridge crane is hung on the ladle trunnion in time and prevent accidents from continuously deteriorating. The invention also provides a bridge crane with the alarm device.
In order to achieve the purpose, the invention provides the following technical scheme:
an alarm device for preventing a plate hook tip from hanging a tank trunnion comprises:
the shell is arranged at the hook tip of the plate hook;
the gravity sensor and the trigger rod are arranged in the shell, one end of the trigger rod is exposed out of the shell, and the other end of the trigger rod is abutted against the gravity sensor;
and the monitoring device is used for receiving the sensing signal of the gravity sensor and can send an alarm and/or cut off a main coil lifting control power supply of the bridge crane after receiving the sensing signal.
Preferably, in the above alarm device, the monitoring device includes a wireless signal transmitter and a wireless signal receiver, the wireless signal receiver is connected to the main coil lifting control circuit of the bridge crane, and the wireless signal transmitter is configured to convert an induced electrical signal of the gravity sensor into a wireless signal and send the wireless signal to the wireless signal receiver; and after receiving the wireless signal, the wireless signal receiver cuts off the power supply of the main coil lifting control circuit of the bridge crane.
Preferably, in the above alarm device, the monitoring device includes a wireless signal transmitter and a wireless signal receiver, the wireless signal receiver is connected to the alarm, and the wireless signal transmitter is configured to convert an induced electrical signal of the gravity sensor into a wireless signal and send the wireless signal to the wireless signal receiver; and the wireless signal receiver sends an alarm signal to the alarm.
Preferably, in the above alarm device, a power supply is further included, and the power supply and the wireless signal transmitter are both disposed in the housing.
Preferably, in the alarm device, the gravity sensor is disposed at the bottom of the housing, a through hole is formed in a position on the power supply and the wireless signal transmitter, which is opposite to each other, and the trigger rod penetrates through the through holes of the power supply and the wireless signal transmitter, and the other end of the trigger rod abuts against the gravity sensor.
Preferably, in the alarm device, the housing is cylindrical, and a hole for accommodating the housing is formed at a hook tip of the plate hook.
Preferably, in the alarm device, the outer wall of the housing is provided with an external thread, and the inner wall of the hole is provided with an internal thread matched with the external thread.
Preferably, in the above alarm device, the inner wall of the housing is further provided with a shockproof material.
Preferably, in the alarm device, the housing includes a cylinder with an opening at a top end and a cover detachably disposed at the opening, and the cover is provided with a through hole for avoiding one end of the trigger rod from extending out.
This scheme still provides a bridge crane, including the board hook and set up in alarm device on the board hook point, alarm device is above-mentioned alarm device.
Can know via foretell technical scheme, the alarm device of jar trunnion is hung to prevention board hook prong that this scheme provided, when the prong of board hook is hung on the ladle trunnion, ladle trunnion touching trigger lever, the gravity that the trigger lever will touch transmits gravity sensor, gravity sensor converts mechanical force into the signal of telecommunication transmission and gives monitoring device, monitoring device receives in time to discover bridge crane board hook prong after the signal and hangs at ladle trunnion, can realize alone or realize automatic alarm simultaneously and cut off bridge crane owner and roll up the power, make the accident can not continue to worsen. This scheme still provides a bridge crane who has above-mentioned alarm device.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the operation of a hook tip of a plate hook on a trunnion of a hanging tank under abnormal operation according to an embodiment of the invention;
FIG. 2 is a schematic view of the operation of the anti-snag hook on the trunnion of the tank under normal operation according to an embodiment of the present invention;
FIG. 3 is a top view of an alarm device provided in accordance with an embodiment of the present invention;
FIG. 4 is a front perspective view of an alarm device provided by an embodiment of the present invention;
FIG. 5 is a front view of an alarm device provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a plate hook according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a bridge crane provided with an alarm device according to an embodiment of the present invention.
In the figure, a trigger rod 1, a wireless signal transmitter 2, a shell 3, a power supply 4, a gravity sensor 5, external threads 6, a plate hook 7, a plate hook steel plate lamination 8, a molten steel ladle trunnion 9, a wireless signal receiver 10, a hole 11 and a shockproof material 12.
Detailed Description
The invention provides an alarm device for preventing a plate hook tip from being hung on a ladle trunnion, which can find out that the plate hook tip of a bridge crane is hung on the ladle trunnion in time and prevent accidents from continuously worsening. The invention also provides a bridge crane with the alarm device.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 3-7, the invention discloses an alarm device for preventing a plate hook from hooking a tank trunnion, which comprises a shell 3, a gravity sensor 5, a trigger lever 1 and a monitoring device.
Wherein, the shell 3 is arranged at the hook tip of the plate hook 7, and the gravity sensor 5 and the trigger rod 1 are arranged in the shell 3. One end of the trigger rod 1 is exposed out of the shell 3, and the end part protrudes out of the outer surface of the hook tip of the plate hook 7. The other end of the trigger lever 1 abuts against the gravity sensor 5. When the hook tip of the plate hook 7 is hung on the trunnion 9 of the molten steel tank, the trunnion 9 of the molten steel tank touches one end of the trigger rod 1, and the touched gravity is transmitted to the gravity sensor 5 by the other end of the trigger rod 1. The monitoring device is used for receiving a sensing signal of the gravity sensor 5, and the monitoring device sends out an alarm or cuts off a main coil ascending control power supply of the bridge crane after receiving the sensing signal.
The utility model provides a prevent that board hook point hangs jar trunnion's alarm device, hang when the hook point of board hook 7 on ladle trunnion 9, ladle trunnion 9 touches trigger bar 1, gravity sensor 5 is transmitted to the gravity that trigger bar 1 will touch, gravity sensor 5 converts the mechanical force into the signal of telecommunication transmission for monitoring device, monitoring device receives in time to discover bridge crane board hook point after the signal and hangs at ladle trunnion, can realize alone or realize automatic alarm simultaneously and cut off bridge crane owner and roll up the power supply, make the accident can not continue to worsen.
In a specific embodiment, the monitoring device comprises a wireless signal transmitter 2 and a wireless signal receiver 10, the wireless signal transmitter 2 is used for converting an electric signal sensed by the gravity sensor 5 into a wireless signal and transmitting the wireless signal to the wireless signal receiver 10, and the wireless signal receiver 10 cuts off a main coil lifting control power supply of the bridge crane after receiving the wireless signal. The main coil of the bridge crane cannot be lifted when the lifting is stopped.
In another specific embodiment, the monitoring device comprises a wireless signal transmitter 2 and a wireless signal receiver 10, the wireless signal transmitter 2 is used for converting an electric signal sensed by the gravity sensor 5 into a wireless signal and transmitting the wireless signal to the wireless signal receiver 10, the wireless signal receiver 10 sends an alarm signal to an alarm after receiving the wireless signal, and the alarm, such as a buzzer and the like, sends out sound to remind a crane driver of operation control.
This scheme still includes power 4, and power 4 and wireless signal transmitter 2 all set up in shell 3. The power source 4 may be a lithium battery, a lead-acid battery, or the like.
Further, the shell 3 can be designed to be cylindrical, a hole 11 for accommodating the shell 3 is formed at the hook tip of the plate hook 7, and the original rigid structure at the hook tip of the plate hook 7 is not affected by the structure of the hole 11.
The connection relation between the shell 3 and the hook tip of the plate hook 7 can be embedded, and the threaded connection mode is adopted, so that the disassembly and the assembly are convenient and quick. The outer wall of the shell 3 is provided with an external thread 6, and the inner wall of the hole 11 is provided with an internal thread matched with the external thread.
Further, the shell 3 comprises a cylinder body with an opening at the top end and a cover detachably arranged at the opening, and a through hole used for avoiding one end of the trigger rod 1 to extend out is formed in the cover. After the gravity sensor 5, the trigger rod 1 and the power supply 4 are installed in the shell 3, the cover is sealed, and one end of the trigger rod 1 extends out of the through hole to expose a small section.
The inner wall of the housing 3 is also provided with a shock absorbing material 12 for absorbing shock from the internal components of the housing.
In further concrete embodiment, at first tap the screw thread in the outside of columniform shell 3 and be the screw thread form, external screw thread 6 promptly, then with gravity sensor 5, the lithium cell, wireless signal transmitter 2 processes into cylindrically, and process into the round hole with the centre of lithium cell and wireless signal transmitter 2, let trigger bar 1 can pass from the centre of lithium cell and wireless signal transmitter 2, gravity sensor 5 installs the bottom at shell 3, the centre at gravity sensor 5 is installed to trigger bar 1, the gravity transmission of being convenient for, the stack of lithium cell and wireless signal transmitter 2 is installed in shell 3. Shockproof materials 12 are arranged between the outer layers of the gravity sensor 5, the lithium battery and the wireless signal transmitter 2 and the cylindrical shell 3, and the cover is closed. Then, a hole 11 is drilled on one plate hook steel plate lamination 8 at the hook tip part of the plate hook 7 by using an electric drill, a screw hole, namely an internal thread, is tapped on the hole 11, and the shell 3 of the alarm device is screwed on the hook tip hole 11 of the plate hook 7 like a screw. The wireless signal receiver 10 is then installed in the operating room and connected to the main roll-up control circuit and can control the main roll-up circuit.
The operating principle of this scheme does, and after alarm device installed, the bridge crane touched alarm device when normally hanging down the molten steel jar, does not influence normal operation completely. When a driver on the ground does not carefully indicate a car, and misoperation occurs, namely when the hook tip of the plate hook 7 is hung on the trunnion 9 of the molten steel tank, the trunnion 9 of the molten steel tank touches the trigger rod 1, the touch gravity is transmitted to the gravity sensor 5 by the trigger rod 1, the gravity sensor 5 converts mechanical force into an electric signal and transmits the electric signal to the wireless signal transmitter 2, the wireless signal transmitter 2 converts a gravity sensing electric signal into a wireless signal, the wireless signal transmitter 2 transmits the wireless signal to the wireless signal receiver 10 in the operating room, the wireless signal receiver 10 automatically cuts off a main coil ascending control power supply of the bridge crane after receiving the signal, the main coil of the bridge crane ascends and stops to be incapable of ascending, at the moment, the driver of the bridge crane can descend the main coil, so that the hook tip of the plate hook 7 leaves the trunnion 9 and also leaves the trigger rod 1, gravity on the trigger bar 1 is eliminated, no gravity sensing signal is generated on the gravity sensor 5, after the wireless signal receiver 10 in the operation room cannot receive the signal of the alarm device, the main coil of the bridge crane rises to control the power supply to recover, and after the plate hook 7 is hung on the trunnion 9 of the molten steel tank again, the bridge crane can work normally.
The scheme also provides a bridge crane which comprises a plate hook 7 and an alarm device arranged on the hook tip of the plate hook 7, wherein the alarm device is the alarm device in the embodiment. The bridge crane adopting the alarm device also has the beneficial effects of the alarm device, and the description is omitted.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a prevent that board hook point hangs alarm device of jar trunnion which characterized in that includes:
the shell (3), the said shell (3) is placed in the hook point of the plate hook (7);
the gravity sensor (5) and the trigger rod (1) are arranged in the shell (3);
the monitoring device is used for receiving a sensing signal of the gravity sensor (5), can give an alarm and/or cut off a main coil lifting control power supply of the bridge crane after receiving the sensing signal, and comprises a wireless signal transmitter (2) and a wireless signal receiver (10);
power (4), power (4) with wireless signal transmitter (2) overlap set up in shell (3), gravity sensor (5) are arranged in shell (3) bottom, power (4) with relative position department is opened there is the through-hole and is arranged in on the wireless signal transmitter (2) gravity sensor (5), trigger bar (1) passes power (4) with the through-hole, the one end of wireless signal transmitter (2) expose in shell (3) and the other end with gravity sensor (5) offset.
2. The alarm device according to claim 1, wherein the wireless signal receiver (10) is connected with a main coil lifting control power supply of the bridge crane, and the wireless signal transmitter (2) is used for converting an electric signal sensed by the gravity sensor (5) into a wireless signal and transmitting the wireless signal to the wireless signal receiver (10); and after the wireless signal receiver (10) receives the wireless signal, the power supply of the bridge crane main coil lifting control circuit is cut off.
3. The alarm device according to claim 1, characterized in that the wireless signal receiver (10) is connected with an alarm, and the wireless signal transmitter (2) is used for converting an electric signal sensed by the gravity sensor (5) into a wireless signal and transmitting the wireless signal to the wireless signal receiver (10); the wireless signal receiver (10) sends an alarm signal to the alarm.
4. The alarm device according to claim 1, characterized in that the housing (3) is cylindrical, and a hole (11) for receiving the housing (3) is formed at the hook tip of the plate hook (7).
5. The alarm device according to claim 4, wherein the outer wall of the housing (3) is provided with an external thread (6), and the inner wall of the hole (11) is provided with an internal thread matched with the external thread.
6. The alarm device according to claim 1, characterised in that the inner wall of the housing (3) is also provided with shock-absorbing material (12).
7. The alarm device according to claim 1, wherein the housing (3) comprises a cylinder body with an opening at the top end and a cover detachably arranged at the opening, and a through hole for avoiding one end of the trigger rod (1) from extending out is formed in the cover.
8. Bridge crane, comprising a plate hook (7) and an alarm device arranged on the hook tip of the plate hook (7), wherein the alarm device is according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915612.1A CN109019350B (en) | 2018-08-13 | 2018-08-13 | Alarm device for preventing plate hook tip from being hung on tank trunnion and bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810915612.1A CN109019350B (en) | 2018-08-13 | 2018-08-13 | Alarm device for preventing plate hook tip from being hung on tank trunnion and bridge crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109019350A CN109019350A (en) | 2018-12-18 |
| CN109019350B true CN109019350B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810915612.1A Active CN109019350B (en) | 2018-08-13 | 2018-08-13 | Alarm device for preventing plate hook tip from being hung on tank trunnion and bridge crane |
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| CN (1) | CN109019350B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753764A (en) * | 2021-10-11 | 2021-12-07 | 本钢板材股份有限公司 | Wireless auxiliary confirmation method and device for hanging tank of large-scale metallurgical casting crane hook |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0459597A (en) * | 1990-06-27 | 1992-02-26 | Sumitomo Heavy Ind Ltd | Control device of crane |
| CA2085941A1 (en) * | 1992-09-04 | 1994-03-05 | Herbert D. Long, Jr. | Apparatus and method for securing a load to a lifting means |
| JP2001354388A (en) * | 2000-06-14 | 2001-12-25 | Mitsubishi Heavy Ind Ltd | Attachment/detachment detection type control mechanism for ladle hook |
| CN102659021A (en) * | 2012-05-16 | 2012-09-12 | 硅密（常州）电子设备有限公司 | Hoisting device with function of inducing wafer basket |
| DE102012015095A1 (en) * | 2012-08-01 | 2014-02-06 | Vdeh-Betriebsforschungsinstitut Gmbh | Hook for crane, has angle measuring unit, which determines displacement of center of gravity of hook in desired position, particularly in perpendicular direction, where angle measuring unit determines deflection from desired position |
| CN206705516U (en) * | 2017-04-27 | 2017-12-05 | 钦州学院 | The self-locking suspension hook of anti-oscillating |
| CN206720560U (en) * | 2017-04-28 | 2017-12-08 | 丁灏 | A kind of hoisting and hanging it is special be easy to carry can weighing type chain rigging |
| CN107098264A (en) * | 2017-06-07 | 2017-08-29 | 孔晓静 | A kind of suspension hook |
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| CN109019350A (en) | 2018-12-18 |
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