CN213397936U - Intelligent wall-attached detection device - Google Patents
Intelligent wall-attached detection device Download PDFInfo
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- CN213397936U CN213397936U CN202021477762.8U CN202021477762U CN213397936U CN 213397936 U CN213397936 U CN 213397936U CN 202021477762 U CN202021477762 U CN 202021477762U CN 213397936 U CN213397936 U CN 213397936U
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- wall
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- lug seat
- connecting lug
- rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The intelligent wall-attached detection device comprises a wall body, a tower crane body and a wall-attached rod, wherein a first connecting lug seat is arranged on the wall body, a second connecting lug seat is arranged on the tower crane body, pin shaft holes are formed in the first connecting lug seat and the second connecting lug seat, one end of the wall-attached rod is hinged with the first connecting lug seat through a force measuring pin shaft, and the other end of the wall-attached rod is hinged with the second connecting lug seat through a pin shaft; one end of the wall-attached rod, which is close to the first connecting lug seat, is provided with a distance measuring module, and the distance measuring module is used for measuring the length of the wall-attached rod; the distance measuring module and the force measuring pin shaft are respectively and electrically connected with the controller, the controller is connected with the calculation display module in a wired or wireless communication mode, the calculation display module calculates the slenderness ratio parameter of the wall attaching rod, and the stability coefficient is obtained according to the slenderness ratio parameter. The utility model discloses monitor constantly in attaching the wall use and attach the change of the load that the wall receives, judge whether safe the operating condition who attaches the wall, ensure the safety of tower machine use and personnel's safety.
Description
Technical Field
The utility model relates to an attach wall detection technology field, especially relate to intelligence and attach wall detection device.
Background
The wall attachment is a very important device for ensuring the safe use of the tower crane, the tower crane is fixedly connected to the outer wall of a building, and the tower crane is prevented from overturning under the condition of external force in the use process, so that the safety of the building, the tower crane and construction is ensured. The change of some states and parameters (such as slenderness ratio and load of connecting rods) of the wall attachment during installation and working is closely related to normal and safe use of the wall attachment. If the parameters of slenderness ratio and load of the connecting rod piece are changed beyond the allowable range, the wall-attached working condition and state are deteriorated, the wall-attached is damaged, and tower crane accidents are caused. Therefore, the detection of the change of the parameters of the wall attachment is an important measure for ensuring the safe use of the tower crane, and the alarm is timely sent out and measures are taken when the change exceeds the allowable range.
The prior art mainly comprises: at present, a device for detecting the wall-attached parameters and states in real time is not available. Generally, in the existing method, a wall-attached designer performs some checking calculation on parameters during design, so that the wall-attached use is ensured to be performed under a safe condition. However, such a method cannot monitor and ensure that parameters such as load, which are changed due to changes of the working condition of the tower crane, exceed an allowable range in the use process, and thus, great potential safety hazards are brought. Particularly, when the conditions such as extremely bad weather are met, the working state of the attached wall is not monitored, when the load of the attached wall exceeds the operation range, the overturning of the tower crane is easy to occur, and the accidents also occur and are reported in practice.
Disclosure of Invention
In order to overcome the problems, the utility model provides a safe and reliable's intelligence attaches wall detection device and detection method.
The utility model adopts the technical proposal that: the intelligent wall-attached detection device comprises a wall body, a tower crane body and a wall-attached rod, wherein the wall body is positioned on one side of the tower crane body, a first connecting lug seat is fixedly connected onto the wall body, a second connecting lug seat is fixedly connected onto the tower crane body, pin shaft holes are formed in the first connecting lug seat and the second connecting lug seat, one end of the wall-attached rod is hinged with the first connecting lug seat through a force measurement pin shaft, and the other end of the wall-attached rod is hinged with the second connecting lug seat through a pin shaft; one end of the wall-attached rod, which is close to the first connecting lug seat, is provided with a distance measuring module, and the distance measuring module is used for measuring the length of the wall-attached rod;
the distance measuring module and the force measuring pin shaft are respectively and electrically connected with the controller, and the measured length and load information of the wall-attached pole are sent to the controller; the controller is connected with the computer in a wired or wireless communication mode.
Further, the wireless communication mode is WIFI or 4G or Bluetooth.
Further, the distance measuring module is a laser distance measuring module or an ultrasonic distance measuring module.
Furthermore, the number of the wall attaching rods, the first connecting lug seats and the second connecting lug seats is four, and each wall attaching rod is provided with one ranging module, or one of the wall attaching rods is provided with one ranging module.
The utility model has the advantages that: the wall attachment is ensured to be installed according to the slenderness ratio and the preload required by the design, and the wall attachment is ensured to be installed to meet the safety requirement; monitoring the change of load borne by the wall attachment at any time in the wall attachment using process, judging whether the working state of the wall attachment is safe or not, and if the working state exceeds the wall attachment safety condition, immediately giving an alarm to enable an operator to take measures in time so as to ensure the use safety of the tower crane and the safety of personnel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached figure 1, the intelligent wall-attached detection device comprises a wall body 2, a tower crane body 8 and a wall-attached rod 6, wherein the wall body 2 is positioned on one side of the tower crane body 8, a first connecting lug seat is fixedly connected to the wall body 2, a second connecting lug seat is fixedly connected to the tower crane body 8, pin shaft holes are formed in the first connecting lug seat and the second connecting lug seat, one end of the wall-attached rod 6 is hinged to the first connecting lug seat through a force-measuring pin shaft 1, and the other end of the wall-attached rod is hinged to the second connecting lug seat through a pin shaft; a distance measuring module is arranged at one end, close to the first connecting lug seat, of the wall-attached rod 6 and used for measuring the length of the wall-attached rod, and the distance measuring module is a laser distance measuring module or an ultrasonic distance measuring module or a distance measuring module in other modes;
in the embodiment, the distance measuring module adopts a laser distance measuring module, the two ends of the wall-attached rod 6 in the length direction to be measured are respectively provided with a laser distance measuring module 5 and a reflector 7, the laser distance measuring module 5 is fixed at one end of the wall-attached rod 6 close to the force measuring pin shaft 1, and the reflector 7 is fixed at one end of the wall-attached rod 6 close to the pin shaft; the installation reference surface of the laser ranging module 5 is parallel to the axis of the wall-attached rod 6, the plane of the reflector 7 is perpendicular to the axis of the wall-attached rod 6, and laser emitted by the laser ranging module 5 is reflected by the reflector 7 and then returns to the laser ranging module 5;
the number of the first connecting lug seats, the number of the second connecting lug seats and the number of the wall-attached rods 6 are four, the four second connecting lug seats are respectively arranged at the outer sides of four corners of the tower crane body 8, and the four first connecting lug seats are arranged on the wall body 2; each wall-attached rod 6 is provided with a group of distance measuring modules 5 and a reflector 7, and an independent sampling mode is adopted; in another embodiment, only one of the four wall-attached rods is provided with the distance measuring module 5 and the reflector 7, and a sharing mode of 4 wall-attached rods is adopted.
The laser ranging module 5 and the force measuring pin shaft are respectively and electrically connected with the controller, and the measured length and load information of the wall-attached pole are sent to the controller; the controller is connected with the computer in a wired or wireless communication mode, and the computer calculates the slenderness ratio parameter of the wall-attached rod and obtains the stability coefficient according to the slenderness ratio parameter.
The laser ranging module 5 and the force measuring pin shaft 1 are respectively and electrically connected with the controller 3, and after the device is electrified and started, the controller 3 automatically detects the length and the load of the wall attaching rod 6; the controller 3 is connected with the computer 4 in a WIFI communication mode, the computer 4 calculates the slenderness ratio parameter of each wall-attached rod 6 according to the length of the wall-attached rod 6, the working condition of the wall-attached rod is judged according to the load, the slenderness ratio and the stability coefficient, and if the set system safety condition is exceeded, the controller 3 gives an alarm.
The detection method of the intelligent wall-attached detection device comprises the following steps:
step 1, calculating slenderness ratio parameters of the wall attaching rod, wherein the slenderness ratio parameters have a calculation formula,
the wall attaching rod adopts a lattice column structure, the lattice column structure comprises n branches and batten strips used for connecting the branches, n is the number of the branches adopted by the lattice column structure, n is more than or equal to 2, L is the length of the wall attaching rod, a is the length of the section side of the lattice column, A is the length of the section side of the lattice column, and0is the sectional area of the limb-separating material, I0Is the moment of inertia of the limb, Z0Is the distance of the spindle from the outer edge, AZThe sectional area of the lacing bar; a. a. the0、I0、Z0The wall-attached rod is obtained according to the structure of the wall and the used material of the wall-attached rod;
step 2, checking a stability coefficient table of rod pieces made of the used materials according to the slenderness ratio parameter of the wall-attached rod to obtain a stability coefficient phi;
step 4, judging the load type of each wall attaching rod, and calculating the stress sigma corresponding to each wall attaching rod, wherein the load types are divided into two types, namely tensile force and pressure;
the load N is tensile force, and the stress sigma (N/(N) A) borne by the wall-attached rod is equal to N0)；
The load N is pressure, and the wall-attached rod is stressed by the stress sigma-N/(N phi A)0)；
The wall-attached rod adopts a lattice column structure, the lattice column comprises n branches and batten strips used for connecting the branches, the lattice column structure of the wall-attached rod is of a 2-limb structure, a 4-limb structure and a 3-limb structure, and A0The sectional area of the limb material is shown, n is the number of limbs adopted by the wall attaching rod, and n is more than or equal to 2;
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention is intended to include equivalent technical means as would be understood by those skilled in the art from the inventive concepts.
Claims (4)
1. Intelligence attaches wall detection device, include wall body, tower machine fuselage and attach the wall pole, the wall body is located one side of tower machine fuselage, the first engaging lug seat of fixedly connected with on the wall body, the first engaging lug seat of fixedly connected with second on the tower machine fuselage, and first engaging lug seat and second engaging lug seat all are equipped with round pin shaft hole, its characterized in that: one end of the wall attaching rod is hinged with the first connecting lug seat through a force measuring pin shaft, and the other end of the wall attaching rod is hinged with the second connecting lug seat through a pin shaft; one end of the wall-attached rod, which is close to the first connecting lug seat, is provided with a distance measuring module, and the distance measuring module is used for measuring the length of the wall-attached rod;
the distance measuring module and the force measuring pin shaft are respectively and electrically connected with the controller, and the measured length and load information of the wall-attached pole are sent to the controller; the controller is connected with the computer in a wired or wireless communication mode.
2. The intelligent wall-attached detection device of claim 1, wherein: the wireless communication mode is WIFI or 4G or Bluetooth.
3. The intelligent wall-attached detection device of claim 1, wherein: the distance measurement module is a laser distance measurement module or an ultrasonic distance measurement module.
4. The intelligent wall-attached detection device of any one of claims 1-3, wherein: the number of the wall attaching rods, the first connecting lug seats and the second connecting lug seats is four, and each wall attaching rod is provided with one ranging module, or one of the wall attaching rods is provided with one ranging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477762.8U CN213397936U (en) | 2020-07-24 | 2020-07-24 | Intelligent wall-attached detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021477762.8U CN213397936U (en) | 2020-07-24 | 2020-07-24 | Intelligent wall-attached detection device |
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| CN213397936U true CN213397936U (en) | 2021-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033802A (en) * | 2020-07-24 | 2020-12-04 | 浙江工业大学 | Intelligent wall-attached detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033802A (en) * | 2020-07-24 | 2020-12-04 | 浙江工业大学 | Intelligent wall-attached detection device and detection method |
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