CN205711728U - A kind of board-like retractor device of comb and safety monitoring system - Google Patents

A kind of board-like retractor device of comb and safety monitoring system Download PDF

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Publication number
CN205711728U
CN205711728U CN201620555792.3U CN201620555792U CN205711728U CN 205711728 U CN205711728 U CN 205711728U CN 201620555792 U CN201620555792 U CN 201620555792U CN 205711728 U CN205711728 U CN 205711728U
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China
Prior art keywords
comb
board
pressure transducer
retractor device
elastic displacement
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201620555792.3U
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Chinese (zh)
Inventor
马建平
孙俊
赵岩
王颖
瞿怿
丁冰洁
陈亮
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WUHAN CHENJI ENGINEERING TECHNOLOGY Co Ltd
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WUHAN CHENJI ENGINEERING TECHNOLOGY Co Ltd
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Priority to CN201620555792.3U priority Critical patent/CN205711728U/en
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Publication of CN205711728U publication Critical patent/CN205711728U/en
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Abstract

This utility model provides a kind of board-like retractor device of comb and safety monitoring system, belongs to highway bridge auxiliary equipment technical field, it is possible to realize the real-time monitoring of elastic displacement device stressing conditions.The board-like retractor device of this comb includes across seam fishback unit, fixed fingers Slab element and elastic displacement device;Described it is connected on the beam of the left and right sides across seam fishback unit and described fixed fingers Slab element, and described across seam fishback unit and the corresponding interfix of comb of described fixed fingers Slab element;Described elastic displacement device is arranged on the described lower surface across seam fishback unit;Described elastic displacement device includes spaced steel plate and high-damping rubber, is provided with pressure transducer between described steel plate and described high-damping rubber, and described pressure transducer is used for connecting pressure monitoring device.

Description

A kind of board-like retractor device of comb and safety monitoring system
Technical field
This utility model relates to highway bridge auxiliary equipment technical field, board-like flexible in particular to a kind of comb Device and safety monitoring system.
Background technology
The retractor device that the board-like retractor device of comb deforms as a kind of bridge superstructure, because it is easy for installation, structure The advantages such as simply, cost is low have obtained the extensive application of science of bridge building circle.The board-like retractor device of common comb is mainly by across seam Fishback unit and fixed fingers Slab element composition, can be at suitable bridge to aspect generation telescopic displacement.But owing to heavy vehicle travels During the effect of brake force, bigger to periphery concrete destruction across the power effect that is hit of seam fishback unit.Further, due to weight Type vehicle travels reasons such as bringing to a halt to the board-like retractor device of comb, the volume of traffic is big, often occurs that connecting bolt destroys existing As.In the course of time, the shortcomings such as the impact resistance of the board-like retractor device of common comb is weak, connecting bolt destructible can expose Come so that it is occur in that certain limitation when application.
In the patent documentation of Application No. CN201420517470.0, disclose a kind of bridge with buffering energy-consumption function The board-like retractor device of beam comb.This board-like retractor device of bridge comb is by across seam fishback unit, fixed fingers Slab element, elasticity Displacement device, L-type connecting bolt and waterstop composition, the board-like retractor device of bridge comb is across being arranged between the beam of the left and right sides In gap, fixed fingers Slab element is connected, across stitching fishback through cast-in-situ concrete beam face is fixing by L-type connecting bolt and right side beam Unit is affixed through cast-in-situ concrete beam face with left side beam by L-type connecting bolt, across seam fishback unit and fixed fingers plate list The comb correspondence interfix of unit.Elastic displacement device is coupled across the lower surface of seam fishback unit by L-type connecting bolt, with across The cast-in-situ concrete beam face of seam fishback unit one curb girder is affixed.When bridge causes flexible because of variations in temperature, owing to elasticity becomes The high-damping rubber of position device has the performance of damping energy dissipation so that elastic displacement device can bear the impact of motor vehicles repeatedly Power, has good cushioning effect, improves the impact resistance of bridge, and protects the L-type of the board-like retractor device of comb to connect Bolt is difficult to impaired, extends its service life.
Elastic displacement device is when stress, although can effectively prevent the contingent bending failure of L-type connecting bolt, But it is the elastomeric element that main material is made by high-damping rubber after all, and it is after being rolled by vehicle for a long time, can produce Permanent deformation.And when the deformation quantity of elastic displacement device is excessive, it just loses effect to the protection of L-type connecting bolt. Therefore, the key factor during elastic displacement device is bridge inspection and maintenance.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of board-like retractor device of comb and security monitoring system System, it is possible to realize the real-time monitoring of elastic displacement device stressing conditions.
First aspect, this utility model embodiment provides a kind of board-like retractor device of comb, including: across seam fishback list Unit, fixed fingers Slab element and elastic displacement device;
Described across seam fishback unit and described fixed fingers Slab element be connected on the beam of the left and right sides, and described across Stitch the corresponding interfix of comb of fishback unit and described fixed fingers Slab element;
Described elastic displacement device is arranged on the described lower surface across seam fishback unit;
Described elastic displacement device includes spaced steel plate and high-damping rubber, at described steel plate and described high resistant Being provided with pressure transducer between Buddhist nun's rubber, described pressure transducer is used for connecting pressure monitoring device.
In conjunction with first aspect, this utility model embodiment provides the first possible embodiment of first aspect, its In, described pressure transducer is strain bridge.
In conjunction with first aspect, this utility model embodiment provides the embodiment that the second of first aspect is possible, its In, the strain resistor in described strain bridge is mounted between described steel plate and described high-damping rubber.
In conjunction with first aspect, this utility model embodiment provides the third possible embodiment of first aspect, its In, described pressure transducer is arranged between the steel plate of the superiors and high-damping rubber.
In conjunction with first aspect, this utility model embodiment provides the 4th kind of possible embodiment of first aspect, its In, the board-like retractor device of this comb also includes the waterstop being arranged between the beam of the left and right sides.
In conjunction with first aspect, this utility model embodiment provides the 5th kind of possible embodiment of first aspect, its In, described pressure transducer is connected to pressure monitoring device by wire, and the path of described wire is through described waterstop.
Second aspect, this utility model embodiment also provides for a kind of safety monitoring system, including pressure monitoring device and The board-like retractor device of above-mentioned comb;
Pressure transducer in described pressure monitoring device retractor device board-like with described comb is connected.
In conjunction with second aspect, this utility model embodiment provides the first possible embodiment of second aspect, its In, described pressure monitoring device includes analog-digital converter and display;
The analogue signal that described pressure transducer sends is converted to digital signal through described analog-digital converter, and described aobvious Show and show on device.
In conjunction with second aspect, this utility model embodiment provides the embodiment that the second of second aspect is possible, its In, described pressure monitoring device also includes conversion chip;
Described conversion chip is arranged between described analog-digital converter and described display, and numeral is believed by described conversion chip Number be converted to show signal.
In conjunction with second aspect, this utility model embodiment provides the third possible embodiment of second aspect, its In, described pressure monitoring device also includes amplifying circuit;
Described amplifying circuit is arranged between described analog-digital converter and described pressure transducer, and described amplifying circuit is to institute State the analogue signal that pressure transducer sends to be amplified.
This utility model brings following beneficial effect: the board-like retractor device of comb that this utility model embodiment provides, Formed by across parts such as seam fishback unit, fixed fingers Slab element and elastic displacement devices.Elastic displacement device bag therein Include spaced steel plate and high-damping rubber, and between steel plate and high-damping rubber, be provided with one or more pressure biography Sensor, this pressure transducer can be used for being connected to pressure monitoring device.When elastic displacement device is rolled the pressure caused by vehicle During power, the pressure transducer being arranged between steel plate and high-damping rubber just can sense elastic displacement device accurately and be subject to Pressure, and the size of this pressure is transmitted to pressure monitoring device, it is achieved thereby that the reality of elastic displacement device stressing conditions Time monitoring, to avoid elastic displacement device generation permanent deformation, improve the safety of the board-like retractor device of comb.
Other feature and advantage of the present utility model will illustrate in the following description, and, partly from description In become apparent, or by implement this utility model and understand.The purpose of this utility model and other advantages are in explanation Structure specifically noted in book, claims and accompanying drawing realizes and obtains.
For making above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of the board-like retractor device of comb that this utility model embodiment one is provided;
Fig. 2 shows in the board-like retractor device of comb that this utility model embodiment one is provided, elastic displacement device Structural representation;
Fig. 3 shows the structure connection diagram of the pressure monitoring device that this utility model embodiment two provided.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that described Embodiment be only a part of embodiment of this utility model rather than whole embodiments.Therefore, below to carrying in the accompanying drawings The detailed description of the embodiment of the present utility model of confession is not intended to limit claimed scope of the present utility model, but only Only represent selected embodiment of the present utility model.Based on embodiment of the present utility model, those skilled in the art are not making The every other embodiment obtained on the premise of creative work, broadly falls into the scope of this utility model protection.
At present, in the board-like retractor device of comb, elastic displacement device is utilized to prevent L-type connecting bolt contingent curved Bent destruction.But, elastic displacement device, after being rolled by vehicle for a long time, can produce permanent deformation, can make elastic displacement device Lose the protective effect to L-type connecting bolt.
Based on this, this utility model embodiment provide the board-like retractor device of a kind of comb and safety monitoring system, energy Enough real-time monitoring realizing elastic displacement device stressing conditions.
Embodiment one:
As it is shown in figure 1, this utility model embodiment provides a kind of board-like retractor device of comb, including across seam fishback unit 1, fixed fingers Slab element 2 and elastic displacement device 3.
This board-like retractor device of bridge comb is in the clearance C being arranged on left and right sides beam, i.e. across seam fishback unit 1 It is connected on the left and right sides beam A, B with fixed fingers Slab element 2.Wherein, spiral shell is connected across seam fishback unit 1 by L-type Bolt 4 and left side beam A are affixed through cast-in-situ concrete beam face A-1, and fixed fingers Slab element 2 is by L-type connecting bolt 4 and right side beam B Through the fixing connection of cast-in-situ concrete beam face B-1, across seam fishback unit 1 interfix corresponding with the comb of fixed fingers Slab element 2.Left The avris of curb girder A is also welded with block D.
Elastic displacement device 3 is arranged on the lower surface across seam fishback unit 1, is to connect spiral shell by L-type in the present embodiment Bolt 4 is coupled across stitching fishback unit 1 lower surface, affixed with the cast-in-situ concrete beam face A-1 of left side beam A.Additionally, this fishback Formula retractor device also includes the waterstop 5 being arranged between the left and right sides beam A, B, and waterstop 5 is connected to the left and right sides beam A, B In clearance C, and in the mounting groove of press-in beam body.
As in figure 2 it is shown, in the present embodiment, elastic displacement device 3 includes spaced steel plate 31 and high-damping rubber 32, it is elastic composite plate through sulfidization molding.Being provided with pressure transducer 33 between steel plate 31 and high-damping rubber 32, pressure passes Sensor 33 is used for connecting pressure monitoring device.
In the present embodiment, offer the groove for placement force sensor 33 at high-damping rubber 32.The chi of this groove Very little should with pressure transducer 33 quite, the precision making pressure transducer 33 sense pressure reaches optimal.Groove is excessive or too small, The pressure that pressure transducer 33 will be caused to sense is inaccurate.
From figure 2 it can be seen that the pressure transducer 33 in the present embodiment is arranged on steel plate 31 and the high-damping of the superiors Between rubber 32.So can sense the pressure that elastic displacement device 3 bears more directly, more accurately, make pressure monitor more Add accurately.
Certainly, in order to ensure the accuracy of pressure monitor and comprehensive, it is also possible to this pressure transducer 33 same layer or Different layers arranges multiple pressure transducer, it is achieved the common monitoring of multiple sensing points.
As a preferred version, pressure transducer 33 is strain bridge, and the strain resistor in strain bridge can mount Between steel plate 31 and high-damping rubber 32.
Strain resistor is widely used in the manufacture of high accuracy strain gauge transducer and multi-disciplinary accurate stress analysis. Strain resistor is commonly called foil gauge, is a kind of conventional ergometry amount sensing element.Strain resistor can be used for measure displacement, Acceleration, power, moment, the resistance strain type sensor of pressure and other parameters.
The major advantage of strain resistor is: sensor construction is simple, easy to use, stable and reliable for performance, highly sensitive, survey Amount speed is fast, be suitable for static state and kinetic measurement etc., it is easy to accomplish measured process automation and Multipoint synchronous is measured.Mechanical, electric The fields such as power, aviation, chemical industry, building have a wide range of applications.
Resistance bridge is one of the most frequently used Non-Electricity Measurement circuit, commonly referred to measuring bridge.Measuring bridge is to answer Power transformation resistance forms bridge circuit as brachium pontis, is that the change in resistance of strain resistor is converted into voltage or current signal.
The strain bridge that pressure transducer 33 in the present embodiment is made up of strain resistor exactly, strain resistor therein pastes It is contained between steel plate 31 and high-damping rubber 32.When deforming when high-damping rubber 32 stress, the sensitive grid of strain resistor Also can be in company with deformation, its resistance also will change accordingly.Utilize this resistance strain effect of strain resistor, can be by elasticity Displacement device pressure experienced signal is converted to signal of telecommunication output.
As depicted in figs. 1 and 2, in this utility model embodiment, pressure transducer 33 is connected to pressure by wire 34 and supervises Control device, and the path of wire 34 is through waterstop 5.Utilize waterstop as 5 connect pressure transducers 33 wire 34 paths, The operation separately setting path for wire 34 can be saved, it is simple to the enforcement of the board-like retractor device of comb.
The board-like retractor device of comb that this utility model embodiment provides, by across seam fishback unit 1, fixed fingers plate list Unit 2 and elastic composition such as displacement device 3 parts such as grade.Elastic displacement device 3 therein includes spaced steel plate 31 and high-damping Rubber 32, and between steel plate 31 and high-damping rubber 32, it is provided with one or more pressure transducer 33, this pressure sensing Device 33 can be used for being connected to pressure monitoring device.When elastic displacement device 3 is rolled, by vehicle, the pressure caused, it is arranged on steel Pressure transducer 33 between plate 31 and high-damping rubber 32 just can sense elastic displacement device pressure experienced accurately, And the size of this pressure is transmitted to pressure monitoring device, it is achieved thereby that the real-time monitoring of elastic displacement device 3 stressing conditions, To avoid elastic displacement device 3 that permanent deformation occurs, improve the safety of the board-like retractor device of comb.
Embodiment two:
This utility model embodiment provides a kind of safety monitoring system, including pressure monitoring device and above-described embodiment one The board-like retractor device of comb provided.Pressure transducer in pressure monitoring device retractor device board-like with comb is connected.
As it is shown on figure 3, the pressure monitoring device in the present embodiment includes analog-digital converter 51 and display 52.Pressure sensing The analogue signal that device 33 sends is converted to digital signal through analog-digital converter 51, and shows on a display 52.
Analog-digital converter, i.e. A/D converter, refer to that analog-signal transitions is the electronic component of digital signal by one.Logical Normal analog-digital converter be through with standard volume comparison process after analog quantity, be converted into binary numeral represent discrete The transducer of signal.Therefore, any one analog-digital converter is required for one with reference to analog quantity as the standard of conversion, often compares The reference standard seen is maximum convertible signal magnitude.On the other hand, the digital quantity of analog-digital converter output then represents input Signal is relative to the size of reference signal.
Further, the pressure monitoring device in the present embodiment also includes conversion chip 53.Conversion chip 53 is arranged at Between analog-digital converter 51 and display 52, the digital signal that number converter 51 exports can be converted to display by conversion chip 53 Signal, after display 52 receives this display signal, i.e. can be shown that corresponding image.
As a preferred version, the pressure monitoring device in the present embodiment also includes amplifying circuit 54.Amplifying circuit 54 Being arranged between analog-digital converter 51 and pressure transducer 33, the analogue signal that pressure transducer 33 is sent by amplifying circuit 54 is entered Row amplifies.
Amplifying circuit is to increase the electronic circuit of electrical signal amplitude or power, and the device that application amplifying circuit realizes amplifying can It is referred to as amplifier.The core of amplifying circuit is electronic active device, such as electron tube, transistor etc..In order to realize amplifying, it is necessary to give Amplifier provides energy, and the conventional energy is DC source, but some amplifiers also utilize high frequency electric source as pumping source.
The essence of amplification is that the energy of power supply is shifted as output signal, and the effect of input signal is to control this turn Move, enable the change of the output signal of amplifying circuit to repeat or the change of reflected input signal.In contemporary electronic systems, telecommunications Number generation, send, receive, convert and process, nearly all based on amplifying circuit.
Modern use the widest based on transistor (bipolar transistor or field-effect transistor) amplifying circuit Integrated amplifier.And high-power amplification and high frequency, the low noise amplification of microwave, generally use discrete transistor amplifier.High The high-power amplification of frequency and microwave is mainly by the vacuum tube of specific type, such as pliotron or tetrode, magnetron, velocity modulation Pipe, travelling-wave tube and crossed-field amplifier etc..
In the present embodiment, after the analogue signal that pressure transducer 33 sends is amplified by amplifying circuit 54, modulus turns This analogue signal can be converted to digital signal by parallel operation 51 more accurately, thus improves the monitoring essence of pressure monitoring device Degree.
In this utility model embodiment, amplifying circuit 54 can connect the multiple pressure being arranged in elastic displacement device and pass Sensor 33.Further, the signal output of each pressure transducer 33, electrical switch can be used to switch over, so that each pressure Force transducer 33 can independently monitor.
In the safety monitoring system that this utility model embodiment provides, pressure monitoring device can be arranged on traffic administration room Or in room security.When elastic displacement device is rolled, by vehicle, the pressure caused, pressure transducer just can sense accurately To elastic displacement device pressure experienced, and the size of this pressure is transmitted to pressure monitoring device.
Staff by the display of pressure monitoring device, directly can observe the stressing conditions of elastic displacement device with And deformation quantity.On the one hand can interpolate that whether the high-damping rubber in elastic displacement device has damage, on the other hand can also be real The weight of the vehicle of detection process during reality.
Therefore, the safety monitoring system that this utility model embodiment improves, it is achieved that elastic displacement device stressing conditions Monitoring in real time, to avoid elastic displacement device generation permanent deformation, improves the safety of the board-like retractor device of comb.
It should be noted that in description of the present utility model, term " on ", D score, "left", "right", " interior ", " outward " etc. Orientation or the position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description this utility model Describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation structure with simplifying Make and operate, therefore it is not intended that to restriction of the present utility model.
It addition, in description of the present utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connect " and should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be It is mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal.For the ordinary skill in the art, can understand that above-mentioned term is in this practicality with concrete condition Concrete meaning in novel.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change Or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power The protection domain that profit requires is as the criterion.

Claims (10)

1. the board-like retractor device of comb, it is characterised in that including: across seam fishback unit, fixed fingers Slab element and bullet Property displacement device;
Described across seam fishback unit and described fixed fingers Slab element be connected on the beam of the left and right sides, and described across seam comb The corresponding interfix of comb of tooth plate unit and described fixed fingers Slab element;
Described elastic displacement device is arranged on the described lower surface across seam fishback unit;
Described elastic displacement device includes spaced steel plate and high-damping rubber, described steel plate and described high-damping rubber Being provided with pressure transducer between glue, described pressure transducer is used for connecting pressure monitoring device.
The board-like retractor device of comb the most according to claim 1, it is characterised in that described pressure transducer is electrostrictive strain Bridge.
The board-like retractor device of comb the most according to claim 2, it is characterised in that the strain resistor in described strain bridge It is mounted between described steel plate and described high-damping rubber.
The board-like retractor device of comb the most according to claim 1, it is characterised in that described pressure transducer is arranged on and goes up most Between steel plate and the high-damping rubber of layer.
The board-like retractor device of comb the most according to claim 1, it is characterised in that also include being arranged on left and right sides beam it Between waterstop.
The board-like retractor device of comb the most according to claim 5, it is characterised in that described pressure transducer is by wire even It is connected to pressure monitoring device, and the path of described wire is through described waterstop.
7. a safety monitoring system, it is characterised in that include pressure monitoring device and such as any one of claim 1 to 6 institute The board-like retractor device of comb stated;
Pressure transducer in described pressure monitoring device retractor device board-like with described comb is connected.
Safety monitoring system the most according to claim 7, it is characterised in that described pressure monitoring device includes analog digital conversion Device and display;
The analogue signal that described pressure transducer sends is converted to digital signal through described analog-digital converter, and at described display Upper display.
Safety monitoring system the most according to claim 8, it is characterised in that described pressure monitoring device also includes changing core Sheet;
Described conversion chip is arranged between described analog-digital converter and described display, and digital signal is turned by described conversion chip It is changed to show signal.
Safety monitoring system the most according to claim 8 or claim 9, it is characterised in that described pressure monitoring device also includes putting Big circuit;
Described amplifying circuit is arranged between described analog-digital converter and described pressure transducer, and described amplifying circuit is to described pressure The analogue signal that force transducer sends is amplified.
CN201620555792.3U 2016-06-07 2016-06-07 A kind of board-like retractor device of comb and safety monitoring system Expired - Fee Related CN205711728U (en)

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Application Number Priority Date Filing Date Title
CN201620555792.3U CN205711728U (en) 2016-06-07 2016-06-07 A kind of board-like retractor device of comb and safety monitoring system

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Application Number Priority Date Filing Date Title
CN201620555792.3U CN205711728U (en) 2016-06-07 2016-06-07 A kind of board-like retractor device of comb and safety monitoring system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843187A (en) * 2017-12-18 2018-03-27 武汉理工大学 Adaptive transversely deforming measurement apparatus and measuring method
CN111472269A (en) * 2020-04-24 2020-07-31 河南交通职业技术学院 Basalt fiber comb plate type telescopic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843187A (en) * 2017-12-18 2018-03-27 武汉理工大学 Adaptive transversely deforming measurement apparatus and measuring method
CN107843187B (en) * 2017-12-18 2023-05-26 武汉理工大学 Self-adaptive transverse deformation measuring device and measuring method
CN111472269A (en) * 2020-04-24 2020-07-31 河南交通职业技术学院 Basalt fiber comb plate type telescopic device
CN111472269B (en) * 2020-04-24 2022-03-18 河南交通职业技术学院 Basalt fiber comb plate type telescopic device

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Granted publication date: 20161123

Termination date: 20190607