CN110645958A - Tower crane foundation slope alarm device - Google Patents
Tower crane foundation slope alarm device Download PDFInfo
- Publication number
- CN110645958A CN110645958A CN201910943660.6A CN201910943660A CN110645958A CN 110645958 A CN110645958 A CN 110645958A CN 201910943660 A CN201910943660 A CN 201910943660A CN 110645958 A CN110645958 A CN 110645958A
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- China
- Prior art keywords
- tower crane
- alarm
- supporting plate
- alarm device
- cylindrical shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
- G01C9/14—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10 movable in more than one direction
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a tower crane foundation inclination alarm device, which comprises a cylindrical shell with a sealed bottom, wherein the cylindrical shell is divided into an alarm bin, a battery bin and a sealed cabin from top to bottom through an upper supporting plate and a lower supporting plate, a plumb bob is suspended in the sealed cabin, a plurality of vertical conductive contact rods are uniformly distributed on the periphery of the plumb bob, a battery is arranged in the battery bin, and an alarm horn and a plurality of alarm lamps corresponding to the conductive contact rods are arranged in the alarm bin; the plumb bob and each conductive contact rod can respectively form an automatic circuit switch; when the alarm device exceeds the designed inclination angle, the plumb bob is contacted with the peripheral conductive contact rods, and the circuit paths corresponding to the conductive contact rods can realize sound and light alarm.
Description
Technical Field
The invention relates to the field of building tower cranes, in particular to a tower crane foundation inclination alarm device.
Background
The fixed tower crane is the most commonly used vertical material transportation equipment in the building engineering, and has wide application in the building engineering. The foundation of the tower crane is generally made of reinforced concrete and is divided into a cast-in-place type and a prefabricated assembly type. In order to ensure the safety and normal use of the tower crane, the tower crane foundation is required to be always kept in a horizontal position during the use of the tower crane, and overlarge inclination cannot be generated. In the tower crane foundation manufacturing and tower crane installation stage, measures can be generally taken to ensure that the tower crane foundation is in a horizontal position. However, with the use of the tower crane, the tower crane foundation may gradually incline due to the influence of factors such as uneven settlement of the foundation, overturning moment of the tower crane and the like, and if the inclination of the foundation cannot be found in time and remedial measures are taken, the inclination of the tower crane foundation may be accelerated and finally the safety accident of the overturning of the tower crane may be caused. Therefore, the inclination monitoring of the tower crane foundation is an important content of the tower crane safety monitoring.
Tower crane safety monitoring system in the existing market wherein relevant slope monitoring mainly monitors to the inclination angle of body of the tower, does not have the equipment that monitors to tower crane basis slope specially yet. Because the tower body rigidity of tower crane is less, receives lifting torque and wind load's influence during the tower crane operation, the tower body can produce great rocking, therefore the safe threshold value of tower body inclination is far greater than the safe threshold value of tower crane foundation inclination. On the other hand, the tower crane safety monitoring system is generally powered on and started when the tower crane works, and the tower crane foundation inclination monitoring requires uninterrupted monitoring in the service life of the tower crane foundation. Therefore, monitoring tower crane body inclination cannot replace monitoring tower crane foundation inclination. In order to ensure the safety of the tower crane foundation, special equipment special for monitoring the inclination of the tower crane foundation should be developed as soon as possible.
Disclosure of Invention
In view of the technical defects, the invention aims to provide a tower crane foundation inclination alarm device, which can realize continuous and real-time monitoring on the foundation inclination in the service period of the tower crane foundation, automatically realize sound and light alarm once the foundation inclination exceeds a set alarm threshold value, and indicate the foundation inclination direction.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a tower crane foundation inclination alarm device, which comprises a cylindrical shell with a sealed bottom, wherein the cylindrical shell is divided into an alarm bin, a battery bin and a sealed cabin from top to bottom through an internally arranged upper support plate and a lower support plate, a plumb bob is hoisted at the center of the bottom of the lower support plate through a suspension wire capable of conducting electricity, a plurality of conductive contact rods arranged in an annular array are arranged on the circumferential edge of the bottom of the lower support plate, the bottoms of the conductive contact rods are fixed with the bottom of the cylindrical shell, an alarm lamp which is electrically connected with each conductive contact rod through a lead and is respectively fixed on the top surface of the upper support plate is arranged right above each conductive contact rod, an alarm horn is further arranged on the top surface of the upper support plate, a battery is arranged on the lower support plate, the negative pole of the battery is connected with the suspension wire at the bottom of the lower support plate through the lead, and the, the input end of the alarm horn is electrically connected with the positive electrode of the battery.
Preferably, the top of the cylindrical shell is provided with a top cover which can be closed, and the top cover is provided with a level gauge.
Preferably, the cylindrical shell, the upper support plate and the lower support plate are made of insulated high-strength glass or polyvinyl chloride, and the top cover is made of insulated transparent glass, a polyvinyl chloride plate or an acrylic plate.
Preferably, the sealed cabin below the lower support plate is filled with insulating oil.
Preferably, the number of the contact rods and the alarm lamps is 8-12.
Preferably, the lower support plate is provided with a through hole for a lead to pass through, and the through hole is subjected to sealing treatment.
The invention has the beneficial effects that:
1) the method comprises the following steps of monitoring the inclination of a foundation in real time in a continuous and continuous manner in the service period of the tower crane foundation, automatically realizing sound and light alarm once the inclination angle of the foundation exceeds a set alarm threshold value, and indicating the inclination direction of the foundation;
2) after the alarm device is installed, manual intervention is not needed, and automatic monitoring and alarming can be realized;
3) the inclination angle alarm threshold value can be flexibly set to different sizes according to requirements;
4) the alarm device has strong environment interference resistance, and false alarm caused by external vibration is reduced;
5) the alarm device has the advantages of low price, small volume, convenient installation, low operation cost, no maintenance or less maintenance.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a tower crane foundation inclination alarm device provided by an embodiment of the invention;
FIG. 2 is a plan view of an alarm lamp and an alarm horn according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of an alarm device according to an embodiment of the present invention.
Description of reference numerals:
1-cylindrical shell, 2-conductive feeler lever, 3-plumb bob, 4-suspension wire, 5-insulating oil, 6-battery, 7-alarm horn, 8-alarm lamp, 9-lead, 10-level, 11-top cover, 12, upper supporting plate and 13-lower supporting plate.
Detailed Description
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. 1 to 3, a tower crane foundation inclination alarm device comprises a cylindrical shell 1 with a sealed bottom, the cylindrical shell 1 is divided into an alarm bin, a battery bin and a sealed cabin from top to bottom by an upper supporting plate 12 and a lower supporting plate 13 which are arranged in a built-in manner, a plumb bob 3 is hung in the center of the bottom of the lower supporting plate 13 through a suspension wire 4 which can conduct electricity, a plurality of conductive contact rods 2 which are arranged in an annular array are arranged on the circumferential edge of the bottom of the lower supporting plate 13, the bottoms of the conductive contact rods 2 are fixed with the bottom of the cylindrical shell 1, an alarm lamp 8 which is electrically connected with each conductive contact rod 2 through a lead 9 and is respectively fixed on the top surface of the upper supporting plate 12 is arranged right above each conductive contact rod 2, an alarm horn 7 is further arranged on the top surface of the upper supporting plate 12, a battery 6 is arranged on the lower supporting plate 13, and the negative electrode of the battery 6 is, the output of warning loudspeaker 7 respectively with every 8 electric connection of alarm lamp, the input of warning loudspeaker 7 and the anodal electric connection of battery 6.
The top of cylindric shell 1 is equipped with top cap 11 that can close, be equipped with spirit level 10 on the top cap 11 for adjusting device vertical angle when this device of installation.
The cylindrical shell 1, the upper support plate 12 and the lower support plate 13 are made of insulated high-strength glass or polyvinyl chloride, and the top cover 11 is made of insulated transparent glass, a polyvinyl chloride plate or an acrylic plate, so that the alarm lamp 8 can be observed conveniently.
The sealed cabin below the lower support plate 13 is filled with insulating oil 5, the insulating oil 5 enables the movement of the plumb bob 3 to generate high damping, the interference of environmental vibration to the plumb bob 3 is reduced, and false alarm caused by external micro-vibration is avoided.
The quantity of feeler lever 2 alarm lamp 8 is 8 ~ 12.
The lower support plate 13 is provided with a through hole for the lead 9 to pass through, and the through hole is sealed.
Referring to fig. 3, a battery 6, an alarm horn 7, an alarm lamp 8, a plumb bob 3, conductive contact rods 2 and a suspension wire 4 form a series circuit, each conductive contact rod 2 is provided with an independent series circuit, when the whole alarm device is vertical and has no inclination or the inclination angle is within a set range, the plumb bob 3 is not in contact with the peripheral conductive contact rods 2, and the whole circuit is in an open circuit state; in case whole alarm device appears exceeding the slope of settlement scope, then plumb 3 and the ascending electrically conductive feeler lever 2 contacts of incline direction, and the alarm 8 of this electrically conductive feeler lever 2 top connection can be circular telegram and send the warning, and warning horn 7 also can report to the police, and alarm lamp 8 is corresponding to an electrically conductive feeler lever 2, can judge alarm device's incline direction according to alarm lamp 8's position, and then judges the incline direction of basis.
The alarm threshold value of the inclination angle is adjusted by selecting suspension wires with different lengths; when the suspension wire 4 is long, the alarm threshold value of the inclination angle is small; when the suspension wire 4 is short, the alarm threshold of the inclination angle is large.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A tower crane foundation inclination alarm device is characterized by comprising a cylindrical shell with a sealed bottom, wherein the cylindrical shell is divided into an alarm bin, a battery bin and a sealed cabin from top to bottom through an upper supporting plate and a lower supporting plate which are arranged in the cylindrical shell, a plumb bob is hoisted at the center of the bottom of the lower supporting plate through a suspension wire capable of conducting electricity, a plurality of conducting contact rods arranged in an annular array are arranged on the circumferential edge of the bottom of the lower supporting plate, the bottoms of the conducting contact rods are fixed with the bottom of the cylindrical shell, an alarm lamp which is electrically connected with each conducting contact rod through a lead and is respectively fixed on the top surface of the upper supporting plate is arranged right above each conducting contact rod, an alarm horn is further arranged on the top surface of the upper supporting plate, a battery is arranged on the lower supporting plate, the negative pole of the battery is connected with the suspension wire at the bottom of the lower supporting plate through a lead, the input end of the alarm horn is electrically connected with the positive electrode of the battery.
2. The tower crane foundation inclination alarm device of claim 1, wherein a top cover capable of being covered is arranged at the top of the cylindrical shell, and a level is arranged on the top cover.
3. The tower crane foundation inclination alarm device of claim 2, wherein the cylindrical shell, the upper support plate and the lower support plate are made of insulated high-strength glass or polyvinyl chloride, and the top cover is made of insulated transparent glass, a polyvinyl chloride plate or an acrylic plate.
4. The tower crane foundation inclination alarm device of claim 1, wherein a sealed cabin below the lower supporting plate is filled with insulating oil.
5. The tower crane foundation inclination alarm device of claim 1, wherein the number of the feeler levers and the alarm lamps is 8-12.
6. The tower crane foundation inclination alarm device of claim 1, wherein the lower support plate is provided with a through hole for a lead to pass through, and the through hole is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910943660.6A CN110645958A (en) | 2019-09-30 | 2019-09-30 | Tower crane foundation slope alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910943660.6A CN110645958A (en) | 2019-09-30 | 2019-09-30 | Tower crane foundation slope alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110645958A true CN110645958A (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910943660.6A Pending CN110645958A (en) | 2019-09-30 | 2019-09-30 | Tower crane foundation slope alarm device |
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| Country | Link |
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| CN (1) | CN110645958A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390391A (en) * | 2021-04-30 | 2021-09-14 | 江西应用技术职业学院 | Multifunctional levelness detection device for interior design |
| CN113650970A (en) * | 2021-08-26 | 2021-11-16 | 宁夏威尔信商品混凝土有限公司 | Cement bin landing leg deformation's early warning device |
| CN114152171A (en) * | 2021-11-25 | 2022-03-08 | 北京建工国际建设工程有限责任公司 | Rectification engineering monitoring structure and detection method thereof |
| CN114413847A (en) * | 2022-01-24 | 2022-04-29 | 上海孚分环保材料有限公司 | Simple vertical instrument based on gravity principle |
| CN114659426A (en) * | 2022-01-06 | 2022-06-24 | 北京建工国际建设工程有限责任公司 | Displacement monitoring device and method for reinforcement and transformation project |
-
2019
- 2019-09-30 CN CN201910943660.6A patent/CN110645958A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390391A (en) * | 2021-04-30 | 2021-09-14 | 江西应用技术职业学院 | Multifunctional levelness detection device for interior design |
| CN113650970A (en) * | 2021-08-26 | 2021-11-16 | 宁夏威尔信商品混凝土有限公司 | Cement bin landing leg deformation's early warning device |
| CN114152171A (en) * | 2021-11-25 | 2022-03-08 | 北京建工国际建设工程有限责任公司 | Rectification engineering monitoring structure and detection method thereof |
| CN114152171B (en) * | 2021-11-25 | 2023-09-12 | 北京建工国际建设工程有限责任公司 | Engineering side-tipping detection structure and measuring method thereof |
| CN114659426A (en) * | 2022-01-06 | 2022-06-24 | 北京建工国际建设工程有限责任公司 | Displacement monitoring device and method for reinforcement and transformation project |
| CN114659426B (en) * | 2022-01-06 | 2023-09-12 | 北京建工国际建设工程有限责任公司 | Reinforcing transformation engineering displacement monitoring device and method |
| CN114413847A (en) * | 2022-01-24 | 2022-04-29 | 上海孚分环保材料有限公司 | Simple vertical instrument based on gravity principle |
| CN114413847B (en) * | 2022-01-24 | 2024-05-03 | 上海孚分环保材料有限公司 | Simple vertical instrument based on gravity principle |
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