CN209416547U - A kind of device of round-the-clock monitoring loss of prestress - Google Patents
A kind of device of round-the-clock monitoring loss of prestress Download PDFInfo
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- CN209416547U CN209416547U CN201920482815.6U CN201920482815U CN209416547U CN 209416547 U CN209416547 U CN 209416547U CN 201920482815 U CN201920482815 U CN 201920482815U CN 209416547 U CN209416547 U CN 209416547U
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- power supply
- prestress
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Abstract
The utility model discloses a kind of devices of round-the-clock monitoring loss of prestress, including anchorage, deformed bar, in one end insertion pad pier of deformed bar, the other end is connect outside pad pier with anchorage, backing plate is provided between anchorage and pad pier, through-hole is provided on backing plate, deformed bar passes through in through-hole insertion pad pier, and backing plate is fixedly connected with pad pier；Present apparatus structure is simple, and convenient for safeguarding and replacement does not need complicated operation, and service efficiency is higher.
Description
Technical field
The utility model relates to road and building fields, and in particular to a kind of device of round-the-clock monitoring loss of prestress.
Background technique
Prestressed concrete mainly solves the disadvantage of concrete tensile property difference in reinforced concrete structure, by opening in advance
Reinforcing bar is drawn, makes deformed bar in retraction process, transmitting the force to concrete by the cohesive action between concrete makes
Concrete obtains compressive pre-stress, so that generation and development that tension stress delays crack are resisted, in skyscraper and long-span bridge
Using more in beam；In subgrade slope engineering, by applying prestress anchorage cable, anchorage cable anchoring inside rock mass, by gliding mass and
Firm ground is linked togather, to change the stress state of slope rock mass, reinforcing side slope.
But in the construction process, an elastic compression for concrete, steel relaxation, coagulation when being put due to deformed bar
The stress of the reasons such as native shrinkage and creep, deformed bar will be gradually reduced, referred to as loss of prestress；How quickly, in time
Discovery loss of prestress for prestressed structure safety reliability, it appears it is particularly important.
Existing prestressed monitoring device monitoring inaccuracy, especially for slope side, cannot preferably carry out round-the-clock reality
When monitor, and it is existing power supply is needed very much to monitoring device, for being used for a long time, and the area used on a large scale, to it
Power supply not can be carried out preferable monitoring, and in charging, structure is complicated, cumbersome, need for its internal taking-up to be not easy to
Replacement is used for a long time.
Utility model content
Technical problem to be solved in the utility model is that existing prestress detection device efficiency unable to monitor is lower, and
And be not easy to replacement and be filled with power supply, service efficiency is poor, and it is an object of the present invention to provide a kind of device of round-the-clock monitoring loss of prestress,
Solve the problems, such as the monitoring of loss of prestress.
The utility model is achieved through the following technical solutions:
A kind of device of round-the-clock monitoring loss of prestress, including anchorage, deformed bar, one end of deformed bar are inserted
Entering in pad pier, the other end is connect outside pad pier with anchorage, and it is provided with backing plate between anchorage and pad pier, is provided with through-hole on backing plate,
Deformed bar passes through in through-hole insertion pad pier, and backing plate is fixedly connected with pad pier；
Several foil gauges are provided on the face of anchorage and pad contact, the inside of backing plate is hollow, the inside setting of backing plate
There are controller, the second conducting wire, several converters and the first conducting wire, each foil gauge is connect with a converter by conducting wire, is turned
Parallel operation is connect with controller by the second conducting wire, and controller is connected with power supply device；
The force signal of foil gauge is converted electric signal by the converter, and sends electric signal to controller, controller
Signal is sent to control centre by wireless transport module, power supply device provides power supply for the present apparatus.
The present apparatus detects variation of the anchorage to the pressure of pad pier by multiple foil gauges, when in use, can be further
Accuracy is improved, from multiple positions, multiple angles in real time detect prestressing force, and obtained data are more accurate, more just
It is detected in long-term whole day, also, the detection device of the present apparatus is placed on the inside of backing plate, backing plate and pad pier and is being attached, because
This is when measuring device needs to be repaired or replaced, by being more convenient to operate use to backing plate repair and replacement.
Signal is changed into electric signal by converter by the value of the pressure of its received anchorage by foil gauge, and controller receives
To the electric signal of converter, the signal is being sent to control centre by wireless transport module, after control centre obtains signal,
It is handled, when prestressing force exceeds specified value, is provided alert to operator, and then the prestressing force of the present apparatus is carried out
Monitoring in real time.
Further, a kind of device of round-the-clock monitoring loss of prestress, power supply device includes the reception in backing plate
Coil and transmitting coil opposite with receiving coil outside backing plate is set, transmitting coil is connected with external power supply, receiving coil with
Controller connection；Receiving coil, transmitting coil and external power supply form wireless charging structure and provide power supply to controller.
Since the place for needing to detect loss of prestress is more, and distribution is larger, and round-the-clock in real time to pre-
Stress is monitored the more power supply of consumption in need, and the present apparatus uses the structure of wireless charging, can not only be effectively to the present apparatus
Power supply is provided, and when needing replacing power supply, replacement external power supply is carried out directly outside backing plate or external power supply is supplemented
Electricity does not need to be replaced inside it, and use is easier, and maintenance is also more convenient when replacing.
Preferably, a kind of device of round-the-clock monitoring loss of prestress, external power supply are connected with electric quantity monitoring module, electricity
The electricity of external power supply is sent to control centre by Wireless transceiver by monitoring modular.Electric quantity monitoring module is for monitoring external electrical
The remaining capacity in source, when electricity is remaining less, electric quantity monitoring module is by signal by being wirelessly transmitted to control centre, operator
Member obtains signal and can go to that the power supply is charged or replaced, and then guarantees that the present apparatus is chronically under the mode of electricity, energy
Further prestressing force is monitored in real time.
Specifically, a kind of device of round-the-clock monitoring loss of prestress, external power supply is rechargeable battery.The rechargeable battery can
For battery or other structure of power supply is provided, using more convenient.
Further, a kind of device of round-the-clock monitoring loss of prestress, receiving coil are fixedly connected on the interior of backing plate
Portion, transmitting coil suit are connected with protective shell, and horizontal the first connecting plate and the are respectively connected on two opposite sides of protective shell
Two connecting plates, the first connecting plate are located at the surface of the second connecting plate, are to stretch up and down between the first connecting plate and the second connecting plate on protective shell
The through slot in same vertical straight line is provided on the spring of contracting, the first connecting plate and the second connecting plate, on the through slot of the second connecting plate
It is provided with screw thread, the through slot on the first connecting plate and the second connecting plate is through connecting rod is connected with, and the upper end of connecting rod is in the first connecting plate
Top and be connected with horizontal baffle, be provided with screw thread layer in connecting rod, connecting rod passes through leading on screw thread and the second connecting plate
Slot and backing plate are fixedly connected；
When the upper end of the upper end of screw thread layer and the second connecting plate is located along the same line, the first connecting plate and the second connecting plate connect
Touching, spring-compressed, the lower end of transmitting coil is in contact with the upper end of backing plate at this time；
When the upper end of screw thread layer is located at the top of the second connecting plate, the first connecting plate and the separation of the second connecting plate, transmitting coil
Lower end is separated with the upper end of backing plate.
Based on above-mentioned structure, the present apparatus is upward by rotating the screw thread layer that connecting rod makes when needing replacing power supply
It is mobile, when the upper end of screw thread layer is at the top of the second connecting plate, due to, without screw thread, connecting in the through slot on the first connecting plate
When extension bar moves up, the first connecting plate can move up under the drive of spring, during the first connecting plate moves up, band
The upper end of dynamic protective shell moves up, and then the transmitting coil connecting with protective shell upper end can be driven to move up, with backing plate point
From, power supply is disconnected, and then in later period repair and replacement, it is more efficient.
In present apparatus connection, by rotating connecting rod, make the upper of the upper end of the screw thread layer in connecting rod and the second connecting plate
End is located along the same line, at this point, the first connecting plate contacts with each other with the second connecting plate, spring is in compressive state, and connecting rod
Lower end penetrate backing plate and be screwed with backing plate and connect, at this point, transmitting coil is in contact with backing plate, form plant-grid connection state,
Therefore, based on above-mentioned structure, the transmitting coil of the present apparatus does not need additional fixed structure to be fixed with backing plate, passes through
The structure can be such that it preferably connect with backing plate, charge, and be more convenient for being used for a long time.
Preferably, a kind of device of round-the-clock monitoring loss of prestress, controller are connected with GPS positioning module, controller
Position signal is sent to control centre by wireless transport module.Controller carries out its position by GPS positioning module
Positioning is more convenient for using can effectively improve service efficiency.
Preferably, a kind of device of round-the-clock monitoring loss of prestress, the flank threads of backing plate are connected with transparent protection
Anchorage is set with inside it by lid, protection cap.Its entirety is protected by protection cap, it is further to improve accuracy and make
With the service life, it is more advantageous to round-the-clock real time monitoring.
Preferably, a kind of device of round-the-clock monitoring loss of prestress, foil gauge are evenly distributed on the upper of through-hole on backing plate
On the side at end, and the diameter of through-hole is identical as the diameter of deformed bar.Such setting and distribution, energy multi-angle are multi-party
Position is monitored the prestressing force of anchorage, and service efficiency is higher.
The utility model compared with prior art, has the following advantages and benefits:
1, a kind of device of round-the-clock monitoring loss of prestress of the utility model, the present apparatus can be round-the-clock in real time to answering in advance
The loss of prestress of power component is monitored, and can be safeguarded in real time, and detection is more efficient, is more convenient for making for a long time
With；
2, a kind of device of round-the-clock monitoring loss of prestress of the utility model, the present apparatus pass through the structure pair of wireless charging
Electronic component provides power supply, convenient for supplementing power supply or maintenance replacement at any time, meanwhile, present apparatus structure is simple, convenient for operating with；
3, a kind of device of round-the-clock monitoring loss of prestress of the utility model, present apparatus structure is simple, it is convenient for safeguarding and
Replacement, does not need complicated operation, and service efficiency is higher.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is foil gauge distribution schematic diagram on the utility model backing plate；
Fig. 3 is the utility model transmitting coil and backing plate separated structure schematic diagram；
Fig. 4 is the utility model transmitting coil and base plate connection structure schematic diagram.
Label and corresponding parts title in attached drawing:
1- pad pier, 2- deformed bar, 3- anchorage, 4- backing plate, 5- foil gauge, the first conducting wire of 6-, 7- converter, 8- second
Conducting wire, 9- controller, 10- receiving coil, 11- transmitting coil, 12- protection cap, 13- through-hole, 14- protective shell, 15- first connect
Plate, the second connecting plate of 16-, 17- spring, 18- baffle, 19- connecting rod, 20- screw thread layer.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in figures 1-4, a kind of device of round-the-clock monitoring loss of prestress of the utility model, including anchorage 3, answer in advance
One end of power reinforcing bar 2, deformed bar 2 is inserted into pad pier 1, and the other end is connect outside pad pier 1 with anchorage 3, which is characterized in that anchor
It is provided with backing plate 4 between tool 3 and pad pier 1, through-hole 13 is provided on backing plate 4, deformed bar 2 passes through through-hole 13 and is inserted into pad pier 1
In, backing plate 4 is fixedly connected with pad pier 1；
Several foil gauges 5 are provided on the face that anchorage 3 is contacted with backing plate 4, the inside of backing plate 4 is hollow, the inside of backing plate 4
It is provided with controller, the second conducting wire 8, several converters 7 and the first conducting wire 6, each foil gauge 5 is with a converter 7 by leading
Line 6 connects, and converter 7 is connect with controller 9 by the second conducting wire 8, and controller 9 is connected with power supply device；
The force signal of foil gauge 5 is converted electric signal by the converter 7, and sends electric signal to controller 9, control
Device 9 sends signal to control centre by wireless transport module, and power supply device provides power supply for the present apparatus.
Foil gauge 5 and converter 7 form a load cell, and load cell is pasted onto after by external force
The foil gauge of elastomer generates deformation therewith and causes resistance variations, and resistance variations make the Wheatstone bridge disequilibrium output of composition
One electricity electric signal changed with external force linear proportional.
Foil gauge 5 on backing plate 4 is under the pressure of anchorage, and by the variation of monitoring force, the variation of power is passed to conversion
Device 7, force signal is converted electric signal by converter 7, and the electric signal is passed to control centre, control centre by controller
Build guard system by BIM, the summation of the values of the data on each converter on anchorage be averaged, obtain the pressure of anchorage with
The value of the variation of time, when the loss of prestressed value is more than specified value, control centre issues early warning, mentions to people
Show.
Embodiment 2
A kind of device of round-the-clock monitoring loss of prestress, on the basis of embodiment 1, power supply device is included in backing plate 4
Interior receiving coil 10 and the outer transmitting coil 11 opposite with receiving coil 10 of backing plate 4 is set, transmitting coil 11 is connected with outside
Portion's power supply, receiving coil 10 are connect with controller；Receiving coil 10, transmitting coil 11 and external power supply form wireless charging structure
Power supply is provided to controller.
Receiving coil 10 and transmitting coil 11 are oppositely arranged, and form the structure of wireless charging, and then connect on transmitting coil 11
The external power supply connect due to when there is no electricity, can directly carry out in outside with changing or supplementing power supply in the outside of backing plate 4,
It is more convenient to operate, does not need that the inside of backing plate is adjusted, while such structure, will not influence to use, it can be further
Raising service efficiency.
Meanwhile the external power supply of the present apparatus is rechargeable battery.The external power supply of the present apparatus is also connected with electric quantity monitoring module,
The electricity of external power supply is sent to control centre by Wireless transceiver by electric quantity monitoring module.Electric quantity monitoring module can be right in real time
The electricity of external power supply is monitored, and when its power supply is used up fastly, sends a signal to control centre, control centre is to operator
Early warning is carried out, operator can timely supplement power supply, so that the present apparatus is monitored in real time for a long time, service efficiency is higher.
Embodiment 3
A kind of device of round-the-clock monitoring loss of prestress, on the basis of embodiment 2, receiving coil 10 is fixedly connected on
The inside of backing plate 4, the suit of transmitting coil 11 are connected with protective shell 14, and protective shell is respectively connected with level on 14 two opposite sides
The first connecting plate 15 and the second connecting plate 16, the first connecting plate 15 is located at the surface of the second connecting plate 16, the first connecting plate on protective shell 14
15 and second be the spring 17 that can be stretched up and down between connecting plate 16, is provided on the first connecting plate 15 and the second connecting plate 16 positioned at same
Through slot in vertical straight line is provided with screw thread, the through slot on the first connecting plate 15 and the second connecting plate 16 on the through slot of the second connecting plate 16
Through being connected with connecting rod 19, the upper end of connecting rod 19 the first connecting plate 15 top and be connected with horizontal baffle 18, connect
Be provided with screw thread layer 20 on bar 19, connecting rod 19 by screw thread on the second connecting plate 16 through slot and backing plate 4 be fixedly connected；
When the upper end of the upper end of screw thread layer 20 and the second connecting plate 16 is located along the same line, the first connecting plate 15 and second connects
Plate 16 is in contact, and spring 17 compresses, and the lower end of transmitting coil 11 is in contact with the upper end of backing plate 4 at this time；
When the upper end of screw thread layer 20 is located at the top of the second connecting plate 16, the first connecting plate 15 and the separation of the second connecting plate 16, hair
The lower end of ray circle 11 is separated with the upper end of backing plate 4.
When needing replacing power supply, the screw thread layer 20 made by rotating connecting rod 19 is moved up, when screw thread layer 20
Upper end at the top of the second connecting plate 16, due in the through slot on the first connecting plate 15 without screw thread, it is upward in connecting rod 20
When mobile, the first connecting plate can move up in connecting rod 20 under the drive of spring, the mistake that the first connecting plate 15 moves up
Cheng Zhong drives the upper end of protective shell 14 to move up, and then the transmitting coil 11 connecting with 14 upper end of protective shell can be driven upward
It is mobile, it separates it with backing plate 4, disconnects power supply, so that when later period repair and replacement, it is more efficient.
In present apparatus connection, by rotating connecting rod 19, connect the upper end of the screw thread layer 20 in connecting rod 19 with second
The upper end of plate 16 is located along the same line, at this point, the first connecting plate 15 contacts with each other with the second connecting plate 16, spring 17 is in compression shape
State, and the lower end of connecting rod 19 penetrates backing plate 4, is screwed and connect with backing plate 4, at this point, transmitting coil 11 connects with backing plate 4
Touching forms plant-grid connection state, and therefore, based on above-mentioned structure, the transmitting coil 11 of the present apparatus does not need additional fixed knot
Structure is fixed with backing plate 4, it can be made preferably to connect with backing plate 4 with this configuration, charged, is more convenient for making for a long time
With.
Embodiment 4
A kind of device of round-the-clock monitoring loss of prestress, on the basis of embodiment 3, controller 9 is connected with GPS positioning
Module, controller 9 send position signal to control centre by wireless transport module.The flank threads of backing plate 4 are connected with
Anchorage 3 is set with inside it by bright protection cap 12, protection cap 12.Foil gauge 5 is evenly distributed on the upper end of through-hole 13 on backing plate 4
Side on, and the diameter of through-hole is identical as the diameter of deformed bar 2.
GPS positioning module is SIRF three generations chipset, can quickly and effectively determine the position of the anchorage.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of device of round-the-clock monitoring loss of prestress, including anchorage (3), deformed bar (2), deformed bar (2)
One end insertion pad pier (1) in, the other end is connect with anchorage (3) outside in pad pier (1), which is characterized in that anchorage (3) and pad pier
(1) it is provided with backing plate (4), is provided on backing plate (4) through-hole (13) between, deformed bar (2) passes through through-hole (13) insertion pad
In pier (1), backing plate (4) is fixedly connected with pad pier (1)；
It is provided on the face that anchorage (3) is contacted with backing plate (4) several foil gauges (5), the inside of backing plate (4) is hollow, backing plate (4)
Be internally provided with controller, the second conducting wire (8), several converters (7) and the first conducting wire (6), each foil gauge (5) with one
Converter (7) is connected by conducting wire (6), and converter (7) is connect with controller (9) by the second conducting wire (8), controller (9)
It is connected with power supply device；
The force signal of foil gauge (5) is converted electric signal by the converter (7), and electric signal is sent to controller (9), control
Device (9) processed sends signal to control centre by wireless transport module, and power supply device provides power supply for the present apparatus.
2. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 1, which is characterized in that power supply device packet
Receiving coil (10) in backing plate (4) and setting are included in backing plate (4) transmitting coil (11) opposite with receiving coil (10) outside,
Transmitting coil (11) is connected with external power supply, and receiving coil (10) is connect with controller；Receiving coil (10), transmitting coil (11)
Wireless charging structure, which is formed, with external power supply provides power supply to controller.
3. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 2, which is characterized in that external power supply connects
It is connected to electric quantity monitoring module, the electricity of external power supply is sent to control centre by Wireless transceiver by electric quantity monitoring module.
4. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 2, which is characterized in that external power supply is
Rechargeable battery.
5. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 2, which is characterized in that receiving coil
(10) it is fixedly connected on the inside of backing plate (4), transmitting coil (11) suit is connected with protective shell (14), (14) two phases of protective shell
Pair side on be respectively connected with horizontal the first connecting plate (15) and the second connecting plate (16), the first connecting plate (15) is located at the second connecting plate
(16) surface, the spring on protective shell (14) between the first connecting plate (15) and the second connecting plate (16) for that can stretch up and down
(17), the through slot in same vertical straight line, the second connecting plate (16) are provided on the first connecting plate (15) and the second connecting plate (16)
Through slot on be provided with screw thread, the through slot on the first connecting plate (15) and the second connecting plate (16) is through being connected with connecting rod (19), even
The upper end of extension bar (19) the first connecting plate (15) top and be connected with horizontal baffle (18), connecting rod is provided with spiral shell on (19)
Lamina (20), connecting rod (19) by screw thread on the second connecting plate (16) through slot and backing plate (4) be fixedly connected；
When the upper end of the upper end of screw thread layer (20) and the second connecting plate (16) is located along the same line, the first connecting plate (15) and second
Connecting plate (16) is in contact, and spring (17) compression, the lower end of transmitting coil (11) is in contact with the upper end of backing plate (4) at this time；
When the upper end of screw thread layer (20) is located at the top of the second connecting plate (16), the first connecting plate (15) and the second connecting plate (16) point
From the lower end of transmitting coil (11) is separated with the upper end of backing plate (4).
6. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 1, which is characterized in that controller (9)
It is connected with GPS positioning module, controller (9) sends position signal to control centre by wireless transport module.
7. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 1, which is characterized in that backing plate (4)
Flank threads are connected with transparent protection cap (12), and anchorage (3) are set with inside it by protection cap (12).
8. the device of the round-the-clock monitoring loss of prestress of one kind according to claim 1, which is characterized in that foil gauge (5)
It is evenly distributed on backing plate (4) on the side of the upper end of through-hole (13), and the diameter of the diameter of through-hole and deformed bar (2)
It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482815.6U CN209416547U (en) | 2019-04-10 | 2019-04-10 | A kind of device of round-the-clock monitoring loss of prestress |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482815.6U CN209416547U (en) | 2019-04-10 | 2019-04-10 | A kind of device of round-the-clock monitoring loss of prestress |
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| CN209416547U true CN209416547U (en) | 2019-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900395A (en) * | 2019-04-10 | 2019-06-18 | 四川省交通勘察设计研究院有限公司 | It is a kind of can real-time monitoring loss of prestress device |
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2019
- 2019-04-10 CN CN201920482815.6U patent/CN209416547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900395A (en) * | 2019-04-10 | 2019-06-18 | 四川省交通勘察设计研究院有限公司 | It is a kind of can real-time monitoring loss of prestress device |
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