CN215798025U - Pin shaft falling early warning device - Google Patents
Pin shaft falling early warning device Download PDFInfo
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- CN215798025U CN215798025U CN202122165722.0U CN202122165722U CN215798025U CN 215798025 U CN215798025 U CN 215798025U CN 202122165722 U CN202122165722 U CN 202122165722U CN 215798025 U CN215798025 U CN 215798025U
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Abstract
The utility model discloses a pin roll falling-off early warning device, which comprises a plurality of pin roll monitoring points, wherein the pin roll monitoring points are wirelessly connected with a monitoring end, a single pin roll monitoring point comprises a plurality of displacement sensors which are stably connected with a pin roll through a pull wire, the displacement sensors are connected with an information acquisition device through wires, the information acquisition device comprises a device shell, a fixing plate is fixedly arranged at the back side end of the device shell, a pair of strong magnet strips is arranged on the fixing plate in parallel in the vertical direction, a first control processing unit and an RF wireless transmitting unit are arranged in the device shell, a plurality of displacement sensors are connected with the first control processing unit, the first control processing unit is connected with the RF wireless transmitting unit, the monitoring end comprises an RF wireless receiving unit which is in wireless connection with the RF wireless transmitting unit, and the RF wireless receiving unit is connected with a second control processing unit. The utility model has simple and convenient installation and strong practicability.
Description
Technical Field
The utility model relates to the technical field of construction site equipment, in particular to a pin shaft falling early warning device.
Background
The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site. The tower crane (towercrane) tip has the function of bearing the upper load transmitted by the boom guy rope and the balance arm guy rope and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type. The upper slewing tower crane is required to be provided with a balance weight, and the function of the upper slewing tower crane is to support the balance weight so as to form a balance moment which is required by design and has the action direction opposite to the lifting moment direction. In addition to the counterweight, a hoisting mechanism is often provided at the tail. The hoisting mechanism and the balance weight are arranged at the tail end of the balance arm together, so that partial balance weight function can be achieved, and the distance between the rope reel and the tower tip guide wheel is increased, so that the steel wire rope can be conveniently wound and rope disorder is avoided. The dosage of the balance weight is in inverse proportion to the length of the balance arm, and the length of the balance arm is in proportion to the length of the crane boom. The balance weight is considerable, the light tower crane generally needs 3-4 t at least, and the heavy tower crane needs 30t nearly.
All tie up through the round pin axle and connect between each standard festival on the tower crane, at the big key node of torsion, lead to the round pin axle to take place the displacement easily and drop, rely on artifical the maintenance at ordinary times, be difficult to discover the round pin axle that has started the displacement or have the displacement sign that drops, so just need a round pin axle early warning device that drops.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pin shaft falling early warning device, a cylindrical tower crane on the tower crane is wrapped by a soft rubber fixing plate and is adsorbed on the tower crane by a strong magnet, the early warning device is simple and convenient to install, then the pin shaft is monitored in real time by connecting a displacement sensor with the pin shaft in real time, the displacement condition of the pin shaft is sent to a display screen of a monitoring end in a cab through an RF (radio frequency) wireless transmitting unit to be displayed, when the displacement exceeds a threshold value, early warning is directly carried out through a loudspeaker, and workers are reminded to arrange targeted maintenance.
The utility model has simple installation and strong practicability.
The utility model is realized by the following steps:
a pin roll falling early warning device comprises a plurality of pin roll monitoring points, a plurality of pin roll monitoring points are wirelessly connected with a monitoring end, a single pin roll monitoring point comprises a plurality of displacement sensors which are stably connected with a pin roll through a stay wire, the plurality of displacement sensors are connected with an information acquisition device through a wire, the information acquisition device comprises a device shell, a fixed plate is fixedly arranged at the back end of the device shell, a pair of strong magnet strips is arranged on the fixed plate in parallel in the vertical direction, a first control processing unit and an RF wireless transmitting unit are arranged in the device shell, the plurality of displacement sensors are all connected with the first control processing unit, the first control processing unit is connected with the RF wireless transmitting unit, the monitoring end comprises an RF wireless receiving unit which is wirelessly connected with the RF wireless transmitting unit, the RF wireless receiving unit is connected with a second control processing unit, the second control processing unit is respectively connected with a memory, a touch display screen and an early warning loudspeaker.
Further, the fixed plate is made of soft rubber.
Further, the first control processing unit and the second control processing unit both adopt 80C51 series single-chip microcomputers.
Furthermore, the RF wireless transmitting unit and the RF wireless receiving unit adopt a transmitting and receiving module matched with an RFM110315/433M type.
Furthermore, the displacement sensor adopts an MPS-S-1000MM-MA type pull wire displacement sensor.
Compared with the prior art, the utility model has the beneficial effects that: the tower crane is wrapped on a cylindrical tower crane through the soft rubber fixing plate, the tower crane is adsorbed on the tower crane through the strong magnet, the installation is simple and convenient, then the real-time monitoring on the displacement condition of the pin shaft is carried out through the real-time connecting pin shaft of the displacement sensor, the pin shaft is sent to the display screen of the monitoring end installed in the cab through the RF wireless transmitting unit to be displayed, when the displacement exceeds a threshold value, the early warning is directly carried out through the loudspeaker, and a worker is reminded to arrange the targeted maintenance. The utility model has simple installation and strong practicability.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a pin shaft falling-off warning device according to the present invention;
FIG. 2 is a schematic diagram of the system architecture of the present invention;
the displacement sensor 1, the stay wire 11, the device shell 2, the fixing plate 21 and the strong magnet bar 210.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-2, a pin falling warning device comprises a plurality of pin monitoring points, wherein the pin monitoring points are wirelessly connected with a monitoring end, a single pin monitoring point comprises a plurality of displacement sensors stably connected with a pin through a pull wire, the displacement sensors are connected with an information acquisition device through a wire, the information acquisition device comprises a device shell 2, a fixing plate 21 is fixedly arranged at the back end of the device shell 2, a pair of strong magnet strips 210 are arranged on the fixing plate 21 in parallel in the vertical direction, a first control processing unit and an RF wireless transmitting unit are arranged in the device shell 2, the displacement sensors are all connected with the first control processing unit, the first control processing unit is connected with the RF wireless transmitting unit, the monitoring end comprises an RF wireless receiving unit wirelessly connected with the RF wireless transmitting unit, the RF wireless receiving unit is connected with a second control processing unit, and the second control processing unit is respectively connected with a memory, a touch display screen and an early warning loudspeaker.
In this embodiment, the fixing plate is made of soft rubber.
In this embodiment, the first control processing unit and the second control processing unit both use 80C51 series single-chip microcomputers.
In this embodiment, the RF wireless transmitting unit and the RF wireless receiving unit adopt RFM110315/433M type matched transmitting and receiving modules.
In the embodiment, the displacement sensor is an MPS-S-1000MM-MA pull wire displacement sensor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a round pin axle early warning device that drops which characterized in that: the device comprises a plurality of pin shaft monitoring points, wherein the pin shaft monitoring points are wirelessly connected with a monitoring end, a single pin shaft monitoring point comprises a plurality of displacement sensors (1) which are stably connected with a pin shaft through a pull wire, the displacement sensors (1) are connected with an information acquisition device through a wire, the information acquisition device comprises a device shell (2), a fixing plate (21) is fixedly arranged at the back side end of the device shell (2), a pair of strong magnet strips (210) are arranged on the fixing plate (21) in parallel in the vertical direction, a first control processing unit and an RF wireless transmitting unit are arranged in the device shell (2), the displacement sensors (1) are connected with a first control processing unit, the first control processing unit is connected with the RF wireless transmitting unit, the monitoring end comprises an RF wireless receiving unit which is wirelessly connected with the RF wireless transmitting unit, the RF wireless receiving unit is connected with a second control processing unit, and the second control processing unit is respectively connected with a memory, a touch display screen and an early warning loudspeaker.
2. The pin roll falling-off early warning device according to claim 1, wherein the fixing plate (21) is made of soft rubber.
3. The pin roll falling early warning device according to claim 1, wherein the first control processing unit and the second control processing unit both adopt 80C51 series single-chip microcomputers.
4. The pin roll falling off early warning device according to claim 1, wherein the RF wireless transmitting unit and the RF wireless receiving unit adopt a transmitting and receiving module matched with an RFM110315/433M type.
5. The device of claim 1, wherein the displacement sensor is an MPS-S-1000MM-MA pull wire displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165722.0U CN215798025U (en) | 2021-09-08 | 2021-09-08 | Pin shaft falling early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165722.0U CN215798025U (en) | 2021-09-08 | 2021-09-08 | Pin shaft falling early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215798025U true CN215798025U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122165722.0U Active CN215798025U (en) | 2021-09-08 | 2021-09-08 | Pin shaft falling early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215798025U (en) |
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2021
- 2021-09-08 CN CN202122165722.0U patent/CN215798025U/en active Active
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