CN113686668A - Stress performance monitoring device for high formwork support body - Google Patents
Stress performance monitoring device for high formwork support body Download PDFInfo
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- CN113686668A CN113686668A CN202110877191.XA CN202110877191A CN113686668A CN 113686668 A CN113686668 A CN 113686668A CN 202110877191 A CN202110877191 A CN 202110877191A CN 113686668 A CN113686668 A CN 113686668A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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Abstract
The invention discloses a stress performance monitoring device for a high formwork support body, which comprises an upper sealing disc, a load detection mechanism, a connecting shaft disc, a fixed barrel, a displacement monitoring mechanism, an inclination angle detection mechanism and a lower sealing disc, wherein the upper sealing disc is arranged on the upper side of the load detection mechanism and is contacted with the lower part of an upper-layer upright rod; when the device is used, the load, the displacement and the inclination angle at the node of the high formwork support body can be detected and monitored in real time so as to reflect the stable condition of the high formwork support body in real time, and the device has the characteristics of strong real-time performance, convenience in installation and comprehensive monitoring projects.
Description
Technical Field
The invention relates to the technical field of construction safety detection equipment, in particular to a stress performance monitoring device for a high formwork support body.
Background
In the construction process of a building with a high floor height ratio, a high formwork is usually required to be erected to pour an upper-layer beam slab structure, and a high formwork is a supporting system for a large building with a high floor height, a large span and a large risk, which is formed after a plurality of scaffold pipe fittings are connected;
with the development of economy and science and technology in China, as large structures such as high-rise buildings, bridges, television towers and the like continuously appear and rapidly develop, the requirements on the design and construction of scaffold projects are higher and higher, and in recent years, accidents of instability and collapse of scaffolds are frequent due to the design or construction of scaffolds and the action of external factors such as typhoon, rainstorm and the like, and serious casualties and economic losses are caused; therefore, the stability monitoring of the scaffold engineering is particularly important; the deformation of the scaffold mainly means that when the load of the scaffold is gradually increased to a certain value, the structure can maintain the balance in other deformation forms besides the original deformation form, and the branch with the balance is the sign of the instability of the structure; the structure is bent, folded, warped and the like after being unstable and loses the original shape and then bends; the stability of the scaffold is divided into elastic stability, elastic-plastic stability and plastic stability, and any instability phenomenon can cause the structure not to work effectively; the stability problem is divided into dynamic stability and static stability, and the stability concept refers to static stability; under the condition of negative damping, the potential energy of the system is increased along with time, and the system is unstable in power;
in the prior art, the monitoring of structural deformation caused by static problems is developed quite mature, and a plurality of methods are developed theoretically for monitoring the dynamic stability of the structure; however, how to dynamically monitor the scaffold on the high formwork support frame to reflect the stable condition of the high formwork support frame in real time is a technical problem which is not solved in the field, so that designing a device capable of monitoring the stress performance of the high formwork support frame in real time to monitor the high formwork support frame becomes a problem to be solved urgently in the technical field.
Disclosure of Invention
Aiming at the existing problems, the invention aims to provide a stress performance monitoring device for a high formwork support body, which is arranged in a formwork connecting piece and a vertical rod at the joint of an upper layer scaffold and a lower layer scaffold and comprises a load detection mechanism, a displacement monitoring mechanism and an inclination angle detection mechanism.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a high formwork support uses atress performance monitoring devices, monitoring devices sets up in formwork connecting piece and the pole setting of upper and lower floor's connected node department of high formwork support, including last sealed dish, load detection mechanism, connecting shaft dish, fixed bucket, displacement monitoring mechanism, inclination detection mechanism and sealed dish down, go up sealed dish setting at the upside of load detection mechanism, with the lower part contact of upper pole setting, fixed bucket sets up the downside at load detection mechanism, and uses with the connecting shaft dish cooperation, sealed dish setting is sealed at the lower extreme of fixed bucket down, displacement monitoring mechanism and inclination detection mechanism all set up in fixed bucket.
Preferably, the load detection mechanism comprises a connecting disc, a first spring, a connecting bolt and an annular axial pressure sensor, the connecting disc is arranged on the lower side of the upper sealing disc, an annular clamping groove is formed in the upper end face of the connecting disc, the first spring is clamped and installed in the annular clamping groove, and the annular clamping groove is matched with a clamping ring arranged on the lower side of the upper sealing disc for use; the center department of connection pad is provided with the bolt hole, connect the bolt and pass the bolt hole, be connected connection pad and fixed bucket, annular axle pressure sensor cover is established on the connection bolt between connection pad and the fixed bucket, monitors the load that upper pole setting passed down.
Preferably, displacement monitoring mechanism and inclination detection mechanism hang and set up in fixed bucket, wherein displacement monitoring mechanism sets up the upside at inclination detection mechanism, and is connected through the connecting link between displacement monitoring mechanism and the inclination detection mechanism, displacement monitoring mechanism and inclination detection mechanism all include upper plate cover, well disk body and lower disk body, upper plate cover and lower disk body all with well disk body threaded connection.
Preferably, a connecting chain storage cavity is formed in the middle disc body, the connecting chain storage cavity is used for disc-arranging a connecting chain, and the free end of the connecting chain penetrates through the through hole of the upper disc cover.
Preferably, the lower disk body be hollow cylinder bucket, including the fixed inner tube of upper portion connecting cylinder, outside storage cylinder, inside storage cylinder, the fixed shell of sensor, inside damper and sensor, upper portion connecting cylinder and inside storage cylinder integrated into one piece, and set up the upper end at inside storage cylinder, be connected with the lower extreme of well disk body, outside damping cylinder sets up the outside at inside storage cylinder, and the fixed shell of sensor sets up the inboard at inside storage cylinder, and the fixed inner tube of sensor sets up the inboard at the fixed shell of sensor, is provided with horizontal displacement sensor or biax angular transducer in the fixed inner tube of sensor, inside damper sets up between the fixed shell of sensor and the fixed inner tube of sensor.
Preferably, the external damping cylinder comprises a plurality of arc-shaped adjusting plates which are matched with each other, the front end and the rear end of each arc-shaped adjusting plate are respectively provided with an arc-shaped inserting plate and an arc-shaped inserting groove which are matched with each other, and a second spring is arranged in each arc-shaped inserting groove and matched with each arc-shaped inserting plate for use; the inboard of arc regulating plate still is provided with telescopic connecting rod, telescopic connecting rod's one end free end uses with the guide slot cooperation that sets up in the inside storage cylinder outside, is connected arc regulating plate and inside storage cylinder.
Preferably, the internal damping component is symmetrically arranged in a clamping groove in the inner side of the fixed shell of the sensor and comprises a movable block, a telescopic shaft, a third spring, a damping moving part and a fourth spring, the damping moving part is provided with a connecting shaft and a pressing block, the pressing block is arranged in the damping moving part and is in contact with the outer wall of the fixed inner cylinder of the sensor, the connecting shaft is symmetrically arranged on two sides of the damping moving part, the tail end of the connecting shaft is provided with a roller wheel which is matched with the movable block for use, the movable block is symmetrically arranged at two ends of the telescopic shaft and is movably sleeved with two ends of the telescopic shaft, the third spring is sleeved on the telescopic shaft, and the fourth spring is arranged on the outer side of the damping moving part and is in contact with the inner wall of the clamping groove.
Preferably, the end face of one side of the moving block, which is far away from the telescopic shaft, is an inclined plane, and the inclined plane is matched with the roller wheel for use; the inner damping assembly further comprises a fifth spring arranged at the bottom of the sensor fixing inner cylinder.
Preferably, the sensor fixing inner cylinder is further provided with a plurality of limiting pressing plates and a rubber protective layer, the limiting pressing plates are rotatably arranged at the upper end of the sensor fixing inner cylinder and are matched with the horizontal displacement sensor and the double-shaft inclination angle sensor for use, and the rubber protective layer is arranged on the inner side of the sensor fixing inner cylinder.
Preferably, the connecting shaft disc is sleeved outside the formwork connecting piece, threaded connecting holes are formed in the connecting shaft disc, the formwork connecting piece and the fixing barrel, and the threaded connecting holes are matched with the connecting bolts for use; the inboard of lower sealed dish is provided with the sealing washer, and lower sealed dish and fixed bucket threaded connection.
The invention has the beneficial effects that: the invention discloses a stress performance monitoring device for a high formwork support body, which is improved in that:
(1) the invention designs a stress performance monitoring device for a high formwork support body, which is arranged in a support mold connecting piece and an upright post at a node of the high formwork support body and comprises a load detection mechanism, a displacement monitoring mechanism and an inclination angle detection mechanism, when in use, the device can utilize an annular axial pressure sensor to measure and monitor the load transmitted by the upright post at the upper layer in real time, utilize a horizontal displacement sensor to measure and monitor the horizontal displacement at the node of the high formwork support body or the upright post in real time, and utilize a double-shaft inclination angle sensor to measure and monitor the displacement inclination angle at the node of the high formwork support body or the upright post in real time, thereby completing the real-time detection and monitoring of the load, the displacement and the inclination angle at the node of the high formwork support body, reflecting the stability condition of the high formwork support body in real time, being convenient for prejudging and analyzing the stability of the high formwork support body in time, and avoiding the occurrence of the instability and collapse of a scaffold, the method has the advantages of strong timeliness, convenience in installation and comprehensive monitoring items;
(2) meanwhile, the displacement monitoring mechanism and the inclination angle detection mechanism are connected through the connecting chain, when the device is used, the relative length of the connecting chain can be adjusted according to the field condition, so that the displacement monitoring mechanism and the inclination angle detection mechanism are deep into the lower-layer upright rod, the displacement and the inclination angle of the upright rod are detected and monitored in real time, and the device is diversified in use, thereby being beneficial to accurately measuring the stress condition of the high-branch formwork body;
(3) because displacement monitoring mechanism and inclination detection mechanism hang and set up in fixed bucket, avoid causing horizontal displacement sensor and biax inclination sensor to damage because pole setting or connected node's slope or displacement, design outside damper cylinder and inside damper assembly and carry out the buffering of outside effort, protect horizontal displacement sensor and biax inclination sensor, avoid its damage, this monitoring devices can carry out manifold cycles simultaneously and use, have the characteristics of saving the cost, convenient to use.
Drawings
Fig. 1 is a schematic structural view of the high formwork support body support of the invention.
Fig. 2 is a schematic structural diagram of a formwork connecting member after the monitoring device of the present invention is installed.
Fig. 3 is a cross-sectional view of a formwork attachment member after installation of the monitoring device of the present invention.
Fig. 4 is a cross-sectional view of a monitoring device of the present invention.
Fig. 5 is a schematic structural view of the connecting shaft disc of the present invention.
Fig. 6 is a schematic structural view of the connecting bolt of the present invention.
Fig. 7 is a schematic structure diagram of the displacement monitoring mechanism according to the present invention after being disassembled.
Fig. 8 is a top perspective cross-sectional view of a lower tray of the present invention.
Figure 9 is a schematic view of the construction of the internal shock absorbing assembly of the present invention.
Fig. 10 is a cross-sectional view of an inner cartridge of the present invention.
Fig. 11 is a control schematic diagram of the deformation monitoring system of the present invention.
Wherein: 1. an upright rod, 2, a formwork connecting piece, 3, an upper sealing disc, 31, a clamping ring, 4, a load detection mechanism, 41, a connecting disc, 411, an annular clamping groove, 42, a first spring, 43, a connecting bolt, 44, an annular axial pressure sensor, 5, a connecting shaft disc, 6, a fixed barrel, 61, a threaded connecting hole, 7, a displacement monitoring mechanism, 71, a connecting chain, 72, an upper disc cover, 73, a middle disc body, 731, a connecting chain storage cavity, 74, an upper connecting cylinder, 75, an external damping cylinder, 751, an arc adjusting plate, 752, an arc inserting plate, 753, an arc inserting groove, 754, a second spring, 755, an expansion connecting rod, 76, an internal storage cylinder, 761, a guide groove, 77, a sensor fixed shell, 771, a clamping groove, 78, an internal damping assembly, 781, a moving block, 782, an expansion shaft, 783, a third spring, 784, a damping movable piece, 7841, a connecting shaft, 7842, a pressing block, 785 and a roller, 786. the device comprises a fourth spring, 787, a fifth spring, 79, a sensor fixing inner cylinder, 791, a limiting pressure plate, 792, a rubber protective layer, 8, an inclination angle detection mechanism, 9, a lower sealing disc and 10, and connecting bolts.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Referring to the attached drawings 1-11, the stress performance monitoring device for the high formwork support body is arranged in a formwork connecting piece 2 and a vertical rod 1 at the connecting node of the upper layer and the lower layer of the high formwork support body, and comprises an upper sealing disc 3, a load detection mechanism 4, a connecting shaft disc 5, a fixed barrel 6, a displacement monitoring mechanism 7, an inclination angle detection mechanism 8 and a lower sealing disc 9, wherein the upper sealing disc 3 is arranged at the upper side of the load detection mechanism 4, protects the load detection mechanism 4 and is in contact with the lower part of the upper layer vertical rod 1, the load pressure of the upper layer vertical rod 1 is transmitted to the load detection mechanism 4, the fixed barrel 6 is arranged at the lower side of the load detection mechanism 4 and is matched with the connecting shaft disc 5 for use, the monitoring device is connected with the formwork connecting piece 2, the lower sealing disc 9 is arranged at the lower end of the fixed barrel 6 and is used for sealing the fixed barrel 6, prevent that intraductal ponding from getting into in the fixed bucket 6, displacement monitoring mechanism 7 and inclination detection mechanism 8 all set up in fixed bucket 6, are used for carrying out real-time supervision to horizontal displacement and inclination in layer connection node and the pole setting 1 on the high formwork support body respectively, come to combine with the bearing capacity to reflect the atress performance and the stability of layer connection node on the high formwork support body.
Preferably, in order to fix the monitoring device in the formwork connecting piece 2, the connecting shaft disc 5 is sleeved on the outer side of the formwork connecting piece 2, threaded connecting holes 61 are formed in the connecting shaft disc 5, the formwork connecting piece 2 and the fixing barrel 6, the threaded connecting holes 61 are matched with connecting bolts 10 for use, namely when the monitoring device is used, the connecting bolts 10 sequentially penetrate through the threaded connecting holes 61 in the connecting shaft disc 5, the formwork connecting piece 2 and the fixing barrel 6, the connecting shaft disc 5, the formwork connecting piece 2 and the fixing barrel 6 are connected, and the monitoring device is fixed in the formwork connecting piece 2.
Preferably, for horizontal displacement sensor and the biax angular transducer in displacement monitoring mechanism 7 and the angular transducer 8 protect, prevent to use under water or the water logging causes the damage to horizontal displacement sensor and biax angular transducer when getting into pole setting 1 and formwork connecting piece 2 the inboard of lower sealed dish 9 be provided with and be used for waterproof sealing washer, and for convenient to detach and maintenance after using, lower sealed dish 9 and fixed bucket 6 threaded connection.
Preferably, for detecting and monitoring the load transmitted by the upper vertical rod 1 in real time, the load detecting mechanism 4 comprises a connecting disc 41, a first spring 42, a connecting bolt 43 and an annular axial pressure sensor 44, the connecting disc 41 is arranged at the lower side of the upper sealing disc 3, and an annular clamping groove 411 is arranged on the upper end surface of the connecting disc 41, the first spring 42 is clamped and installed in the annular clamping groove 411, the annular clamping groove 411 is matched with a clamping ring 31 arranged on the lower side of the upper sealing disc 3 for use, that is, in use, the snap ring 31 is inserted into the ring-shaped slot 411, and by transferring the load of the upper vertical rod 1 of the first spring 42 to the connecting disc 41, meanwhile, the upper sealing disc 3 is used for sealing the upper part of the load detection mechanism 4 to prevent water from entering, during maintenance, only the upper sealing disc 3 needs to be directly taken down, so that the lower load detection mechanism 4 is convenient to maintain; simultaneously be convenient for be connected connection pad 41 and fixed bucket 6 the center department of connection pad 41 is provided with the bolt hole, connect bolt 43 and pass the bolt hole, be connected connection pad 41 and fixed bucket 6, annular axle pressure sensor 44 cover is established on connection pad 41 and the connection bolt 43 between fixed bucket 6, promptly when using, fixed bucket 6 and a mould connecting piece 2 fixed connection, when last sealed dish 3 received the load of upper pole setting 1, go up sealed dish 3 and transmit the load for connection pad 41, connection pad 41 transmits the load for annular axle pressure sensor 44, utilizes annular axle pressure sensor 44 to carry out real-time detection and monitoring to the load that upper pole setting 1 passed down.
Preferably, for facilitating the implementation when horizontal displacement and inclination on the high formwork support body connected node carry out real-time measurement, displacement monitoring mechanism 7 and inclination detection mechanism 8 hang in midair absolutely perpendicularly, will displacement monitoring mechanism 7 and inclination detection mechanism 8 hang and set up in fixed bucket 6, wherein displacement monitoring mechanism 7 sets up the upside at inclination detection mechanism 8, and is connected through connecting link 71 between displacement monitoring mechanism 7 and the inclination detection mechanism 8, displacement monitoring mechanism 7 and inclination detection mechanism 8 all include upper disc lid 72, well disk 73 and lower disk, wherein for being convenient for dismantle and install, upper disc lid 72 and lower disk all with well disk 73 threaded connection.
Preferably, in order to adjust the relative suspension length of the displacement monitoring mechanism 7 and the inclination angle detecting mechanism 8, a connecting chain storage cavity 731 is arranged in the middle disc body 73, the connecting chain storage cavity 731 is used for winding a connecting chain 71, the wound connecting chain 71 can be adjusted in length as required when in use, so that the displacement monitoring mechanism 7 and the inclination angle detecting mechanism 8 of the winding chain are deep into the lower-layer upright rod 1, the displacement and the inclination angle of the upright rod 1 are detected and monitored in real time, and the free end of the connecting chain 71 penetrates through a through hole of the upper disc cover 72 to be connected with the upper structure.
Preferably, in order to facilitate installation of the horizontal displacement sensor and the double-shaft tilt sensor, the lower tray body is a hollow cylindrical barrel and comprises an upper connecting cylinder 74, an outer damping cylinder 75, an inner storage cylinder 76, a sensor fixing shell 77, an inner damping component 78 and a sensor fixing inner cylinder 79, the upper connecting cylinder 74 and the inner storage cylinder 76 are integrally formed and are arranged at the upper end of the inner storage cylinder 76, an internal thread is arranged in the upper connecting cylinder 74 and is connected with the lower end of the middle tray body 73, the outer damping cylinder 75 is arranged on the outer side of the inner storage cylinder 76 and plays a role in damping and is used for protecting an internal structure when the vertical rod 1 or the formwork supporting connecting piece 2 has large displacement or topples over, and accuracy of detection and monitoring results is guaranteed; the fixed shell 77 of sensor sets up the inboard at inside storage cylinder 76, and the fixed inner tube 79 of sensor sets up the inboard at the fixed shell 77 of sensor, is provided with horizontal displacement sensor or biax angular transducer in the fixed inner tube 79 of sensor (be provided with horizontal displacement sensor in the fixed inner tube 79 of sensor of displacement monitoring mechanism 7, is provided with biax angular transducer in the fixed inner tube 79 of sensor of inclination detection mechanism 8), inside damper assembly 78 sets up between the fixed shell 77 of sensor and the fixed inner tube 79 of sensor, slows down vibrations, protects the inside horizontal displacement sensor and the biax angular transducer of the fixed inner tube 79 of sensor, avoids its damage.
Preferably, for pole setting 1 or formwork connecting piece 2 take place when great displacement or empty and protect inner structure, outside damper cylinder 75 include a plurality of arc regulating plate 751 that cooperate each other and use, arc picture peg 752, the arc slot 753 that cooperate each other and use are provided with respectively at the front and back both ends of arc regulating plate 751, and still be provided with second spring 754 and arc picture peg 752 cooperation use in arc slot 753, namely when using, the arc picture peg 752 of two adjacent arc regulating plates 751 is pegged graft in arc slot 753, and extrudees each other with second spring 754, when receiving the outside collision effect, arc picture peg 752 moves in arc slot 753, extrudes compression to second spring 754, cushions, alleviates outside destructive power, protects inner structure.
Preferably, in order to connect the arc-shaped adjustment plate 751 and the inner cylinder 76 and satisfy the mutual compression and contraction of the arc-shaped adjustment plate 751, a telescopic link 755 is further provided inside the arc-shaped adjustment plate 751, and a free end of the telescopic link 755 is used in cooperation with a guide groove 761 provided outside the inner cylinder 76, that is, the free end of the telescopic link 755 is engaged in the guide groove 761 and slides along the guide groove 761.
Preferably, in order to prevent the internal horizontal displacement sensor and the dual-axis tilt sensor from being damaged due to a large swing amplitude, the internal damping assembly 78 is symmetrically arranged in a clamping groove 771 on the inner side of the sensor fixing shell 77 and comprises a moving block 781, a telescopic shaft 782, a third spring 783, a damping moving part 784 and a fourth spring 786, the damping moving part 784 is provided with a connecting shaft 7841 and a pressing block 7842, the pressing block 7842 is arranged on the inner side of the damping moving part 784 and is in contact with the outer wall of the sensor fixing inner cylinder 79, and when the sensor fixing inner cylinder 79 is vibrated and shaken, the sensor fixing inner cylinder 79 drives the damping moving part 784 to move through the pressing block 7842; the connecting shaft 7841 is symmetrically arranged on two sides of the shock-absorbing movable part 784, the tail end of the connecting shaft 7841 is provided with a roller 785, the roller 785 is matched with a moving block 781 for use, the moving blocks 781 are symmetrically arranged on two ends of the telescopic shaft 782 and are movably sleeved with two ends of the telescopic shaft 782 for resetting, the third spring 783 is sleeved on the telescopic shaft 782, the fourth spring 786 is arranged on the outer side of the shock-absorbing movable part 784 and is in contact with the inner wall of the clamping groove 771, the end face, far away from the telescopic shaft 782, of one side of the moving block 781 is an inclined face, the inclined face is matched with the roller 785 for use, namely when the displacement monitoring mechanism 7 and the inclination angle detection mechanism 8 are used, the external shock-absorbing cylinder 75 collides with the inner wall of the supporting mold connecting part 2, when the sensor inner cylinder 79 moves due to receiving external force, the shock-absorbing movable part 784 moves backwards, and the shock-absorbing movable parts 781 move towards each other, causing the third and fourth springs 783 and 786 to be compressed, cushioning, protecting the horizontal displacement sensor and the dual-axis tilt sensor, and restoring the third and fourth springs 783 and 786 when the external force is lost.
Preferably, for damping in the axial direction, the inner damping assembly 78 further includes a fifth spring 787 disposed at the bottom of the sensor fixing inner cylinder 79, and the fifth spring 787 is used for damping in the axial direction when in use.
Preferably, for fixing horizontal displacement sensor and biax angular transducer the fixed inner tube 79 of sensor on still be provided with a plurality of limiting pressing plate 791 and rubber protection layer 792, limiting pressing plate 791 rotates the upper end that sets up at the fixed inner tube 79 of sensor, uses with horizontal displacement sensor and the cooperation of biax angular transducer, rubber protection layer 792 sets up in the inboard of the fixed inner tube 79 of sensor, protects horizontal displacement sensor and biax angular transducer.
Preferably, all electricity on annular axle load sensor 44, horizontal displacement sensor and the biax angular transducer be connected with alarm device, alarm device includes early warning threshold value setting unit and alarm unit, and when using, when the load, horizontal displacement and the inclination condition of node are greater than the setting value of early warning threshold value setting unit, utilize alarm unit to report to the police, the detection parameter table of early warning threshold value setting unit and alarm unit is shown as table 1:
table 1: detection parameter table
Preferably, when the device is used, the device is stable from the load borne by the frame body to the deformation of the frame body, data such as the inclination angle, the displacement, the axial pressure and the like of the frame body are monitored by a sensor in the construction process, the monitored data are transmitted to a wireless data acquisition base station through a special wireless network, the base station uploads the data to an intelligent monitoring management platform through a mobile communication network, the intelligent monitoring management platform is installed at a PC (personal computer) end, a frame body early warning alarm is installed at the corresponding part of a field sensor, the real-time monitored data are calculated and analyzed through the intelligent monitoring management platform at the PC end, after the frame body deformation, the displacement, the load and the like reach early warning or alarm values, the platform transmits early warning information to the field early warning alarm through the wireless network, the early warning alarm flashes through an alarm lamp or sends out an alarm to remind field managers, and then the professional monitoring personnel check the frame body according to actual conditions, And analyzing and taking treatment measures so as to ensure the safety of the construction process.
This high formwork support body uses atress performance monitoring devices in the use, has following advantage:
(1) the device for monitoring the stress performance of the high formwork support body is arranged in a formwork connecting piece and a vertical rod of a node of the high formwork support body and comprises a load detection mechanism, a displacement monitoring mechanism and an inclination angle detection mechanism, when the device is used, the load transmitted by the vertical rod on the upper layer can be measured and monitored in real time by utilizing an annular axial pressure sensor, the horizontal displacement of the node of the high formwork support body or the vertical rod is measured and monitored in real time by utilizing a horizontal displacement sensor, and the displacement inclination angle of the node of the high formwork support body or the vertical rod is measured and monitored in real time by utilizing a double-shaft inclination angle sensor, so that the load, the displacement and the inclination angle of the node of the high formwork support body are detected and monitored in real time to reflect the stable condition of the high formwork support body, the stability of the high formwork support body is convenient to be judged and analyzed in time, the collapse accident of the instability of a scaffold is avoided, and the device has strong real-time performance, The installation is convenient, and the monitoring items are comprehensive;
(2) meanwhile, the displacement monitoring mechanism and the inclination angle detection mechanism are connected through the connecting chain, when the device is used, the relative length of the connecting chain can be adjusted according to the field condition, so that the displacement monitoring mechanism and the inclination angle detection mechanism are deep into the lower-layer upright rod, the displacement and the inclination angle of the upright rod are detected and monitored in real time, and the device is diversified in use, thereby being beneficial to accurately measuring the stress condition of the high-branch formwork body;
(3) because displacement monitoring mechanism and inclination detection mechanism hang and set up in fixed bucket, avoid causing horizontal displacement sensor and biax inclination sensor to damage because pole setting or connected node's slope or displacement, design outside damper cylinder and inside damper assembly and carry out the buffering of outside effort, protect horizontal displacement sensor and biax inclination sensor, avoid its damage, this monitoring devices can carry out manifold cycles simultaneously and use, have the characteristics of saving the cost, convenient to use.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high formwork support body uses atress performance monitoring devices which characterized in that: monitoring devices sets up in formwork connecting piece (2) and pole setting (1) of high formwork support body node, including last sealed dish (3), load detection mechanism (4), connecting shaft dish (5), fixed bucket (6), displacement monitoring mechanism (7), inclination detection mechanism (8) and lower sealed dish (9), go up sealed dish (3) and set up the upside at load detection mechanism (4), with the lower part contact of upper pole setting (1), fixed bucket (6) set up the downside at load detection mechanism (4), and use with connecting shaft dish (5) cooperation, sealed dish (9) set up the lower extreme at fixed bucket (6) down, seal fixed bucket (6), displacement monitoring mechanism (7) and inclination detection mechanism (8) all set up in fixed bucket (6).
2. The stress performance monitoring device for the high formwork support body according to claim 1, wherein: the load detection mechanism (4) comprises a connecting disc (41), a first spring (42), a connecting bolt (43) and an annular axial pressure sensor (44), wherein the connecting disc (41) is arranged on the lower side of the upper sealing disc (3), an annular clamping groove (411) is formed in the upper end face of the connecting disc (41), the first spring (42) is clamped and installed in the annular clamping groove (411), and the annular clamping groove (411) is matched with a clamping ring (31) arranged on the lower side of the upper sealing disc (3) for use; the center department of connection pad (41) is provided with the bolt hole, connect bolt (43) and pass the bolt hole, be connected connection pad (41) and fixed bucket (6), annular axle pressure sensor (44) cover is established on connection bolt (43) between connection pad (41) and fixed bucket (6), monitors the load that upper pole setting (1) passed down.
3. The stress performance monitoring device for the high formwork support body according to claim 1, wherein: displacement monitoring mechanism (7) and inclination detection mechanism (8) hang and set up in fixed bucket (6), wherein displacement monitoring mechanism (7) set up the upside at inclination detection mechanism (8), and be connected through connecting link (71) between displacement monitoring mechanism (7) and inclination detection mechanism (8), displacement monitoring mechanism (7) and inclination detection mechanism (8) all include upper plate cover (72), well dish (73) and lower dish, upper plate cover (72) and lower dish all with well dish (73) threaded connection.
4. The stress performance monitoring device for the high formwork support body according to claim 3, wherein: well disk body (73) in be provided with and connect chain storage chamber (731), connect chain storage chamber (731) and be used for twining and establish connecting chain (71), and the free end of connecting chain (71) passes the cross-under hole of upper plate lid (72).
5. The stress performance monitoring device for the high formwork support body according to claim 3, wherein: the lower tray body is a hollow cylindrical barrel and comprises an upper connecting barrel (74), an external damping barrel (75), an internal storage barrel (76), a sensor fixing shell (77), an internal damping component (78) and a sensor fixing inner barrel (79), the upper connecting cylinder (74) and the inner storage cylinder (76) are integrally formed and are arranged at the upper end of the inner storage cylinder (76), is connected with the lower end of the middle disc body (73), the external shock absorption cylinder (75) is arranged on the outer side of the internal storage cylinder (76), the sensor fixing shell (77) is arranged on the inner side of the internal storage cylinder (76), the sensor fixing inner cylinder (79) is arranged on the inner side of the sensor fixing shell (77), a horizontal displacement sensor or a double-shaft inclination angle sensor is arranged in the sensor fixing inner cylinder (79), the inner damping component (78) is arranged between the sensor fixing shell (77) and the sensor fixing inner cylinder (79).
6. The stress performance monitoring device for the high formwork support body according to claim 5, wherein: the external shock absorption barrel (75) comprises a plurality of arc-shaped adjusting plates (751) which are matched with each other, arc-shaped inserting plates (752) and arc-shaped inserting grooves (753) which are matched with each other are respectively arranged at the front end and the rear end of each arc-shaped adjusting plate (751), and second springs (754) are arranged in the arc-shaped inserting grooves (753) and matched with the arc-shaped inserting plates (752); the inner side of the arc-shaped adjusting plate (751) is further provided with a telescopic connecting rod (755), and the free end of one end of the telescopic connecting rod (755) is matched with a guide groove (761) arranged on the outer side of the inner storage cylinder (76) for use, so that the arc-shaped adjusting plate (751) is connected with the inner storage cylinder (76).
7. The stress performance monitoring device for the high formwork support body according to claim 5, wherein: the inner shock absorption assembly (78) is symmetrically arranged in a clamping groove (771) on the inner side of a sensor fixing shell (77) and comprises a moving block (781), a telescopic shaft (782), a third spring (783), a shock absorption moving part (784) and a fourth spring (786), the shock absorption moving part (784) is provided with a connecting shaft (7841) and a pressing block (7842), the pressing block (7842) is arranged on the inner side of the shock absorption moving part (784) and is in contact with the outer wall of a sensor fixing inner cylinder (79), the connecting shaft (7841) is symmetrically arranged on two sides of the shock absorption moving part (784), the tail end of the connecting shaft (7841) is provided with a roller (785) which is matched with the moving block (781) for use, the moving block (781) is symmetrically arranged at two ends of the telescopic shaft (782) and is movably sleeved with two ends of the telescopic shaft (782), and the third spring (783) is sleeved on the telescopic shaft (782), the fourth spring (786) is arranged on the outer side of the shock-absorbing movable piece (784) and is in contact with the inner wall of the clamping groove (771).
8. The stress performance monitoring device for the high formwork support body according to claim 7, wherein: the end face of one side, far away from the telescopic shaft (782), of the moving block (781) is an inclined plane, and the inclined plane is matched with the roller (785) for use; the inner damping assembly (78) further comprises a fifth spring (787) arranged at the bottom of the sensor fixing inner cylinder (79).
9. The stress performance monitoring device for the high formwork support body according to claim 7, wherein: the sensor fixing inner cylinder (79) are further provided with a plurality of limiting pressing plates (791) and rubber protection layers (792), the limiting pressing plates (791) are rotatably arranged at the upper end of the sensor fixing inner cylinder (79) and are matched with a horizontal displacement sensor and a double-shaft inclination angle sensor for use, and the rubber protection layers (792) are arranged on the inner side of the sensor fixing inner cylinder (79).
10. The stress performance monitoring device for the high formwork support body according to claim 1, wherein: the connecting shaft disc (5) is sleeved on the outer side of the formwork connecting piece (2), threaded connecting holes (61) are formed in the connecting shaft disc (5), the formwork connecting piece (2) and the fixing barrel (6), and the threaded connecting holes (61) are matched with the connecting bolts (10) for use; the inboard of lower sealed dish (9) is provided with the sealing washer, and just lower sealed dish (9) and fixed bucket (6) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877191.XA CN113686668A (en) | 2021-07-31 | 2021-07-31 | Stress performance monitoring device for high formwork support body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877191.XA CN113686668A (en) | 2021-07-31 | 2021-07-31 | Stress performance monitoring device for high formwork support body |
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| CN113686668A true CN113686668A (en) | 2021-11-23 |
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| CN202110877191.XA Pending CN113686668A (en) | 2021-07-31 | 2021-07-31 | Stress performance monitoring device for high formwork support body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451913A (en) * | 2022-09-15 | 2022-12-09 | 南京晗创智能科技有限公司 | Stress performance monitoring device for high formwork support body |
| CN117109828A (en) * | 2023-08-24 | 2023-11-24 | 连云港金辰实业有限公司 | Auxiliary monitoring device for dismounting and mounting main pump sealing assembly and application method |
-
2021
- 2021-07-31 CN CN202110877191.XA patent/CN113686668A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451913A (en) * | 2022-09-15 | 2022-12-09 | 南京晗创智能科技有限公司 | Stress performance monitoring device for high formwork support body |
| CN115451913B (en) * | 2022-09-15 | 2023-11-03 | 南京晗创智能科技有限公司 | Stress performance monitoring device for high-count formwork body |
| CN117109828A (en) * | 2023-08-24 | 2023-11-24 | 连云港金辰实业有限公司 | Auxiliary monitoring device for dismounting and mounting main pump sealing assembly and application method |
| CN117109828B (en) * | 2023-08-24 | 2024-02-20 | 连云港金辰实业有限公司 | Auxiliary monitoring device for dismounting and mounting main pump sealing assembly and application method |
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