CN206339179U - A kind of bridge displacement measurement apparatus - Google Patents
A kind of bridge displacement measurement apparatus Download PDFInfo
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- CN206339179U CN206339179U CN201720062503.0U CN201720062503U CN206339179U CN 206339179 U CN206339179 U CN 206339179U CN 201720062503 U CN201720062503 U CN 201720062503U CN 206339179 U CN206339179 U CN 206339179U
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- fixed seat
- measurement apparatus
- expansion link
- beam slab
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Abstract
The utility model discloses a kind of bridge displacement measurement apparatus, including the measurement apparatus housing on the bridge pier being fixed between left beam slab and right beam slab, the inside of measurement apparatus housing is provided with measuring mechanism；Measuring mechanism includes parallel the first fixed seat and the second fixed seat for being fixed on measurement apparatus enclosure interior, expansion link is coated with the axis hole of first fixed seat and the second fixed seat, the excircle fixed cover of expansion link between first fixed seat and the second fixed seat is equipped with annular boss, the excircle of expansion link between annular boss and the first fixed seat is set with the first spring, the excircle of expansion link between annular boss and the second fixed seat is set with second spring, expansion link one end is fixedly connected after being passed from the side wall of measurement apparatus housing with corresponding left beam slab or the corresponding end face of right beam slab, expansion link is provided with graduation mark vertically.The measurement apparatus of present application realizes the detection of beam slab and bridge pier relative position by the cooperation of expansion link and spring, simple in construction, and performance is stable.
Description
Technical field
The utility model belongs to bridge safety supervision technical field, relates generally to a kind of bridge displacement measurement apparatus.
Background technology
Now prestressing force is used in the construction such as bridge, crane girder, geotechnical anchor engineering of LONG-SPAN RAILWAY and highway
Concrete structure, reinforcing bar or steel strand wires for prestressed concrete mainly do arrangement of reinforcement use, it is adaptable to which what large span, large bay were built shows
Pour floor, the precast beam of big load and other unique constructions.Very high, the reinforced bar stretching length for reinforcing bar mechanical property requirements itself
There is respective standard requirement with pulling force, control is inaccurate to have a strong impact on the quality of prestressed girder.
The relative shift of beam body (being also beam slab) and bridge pier on bridge is the key parameter in bridge health monitoring, existing
There is the instrument for lacking in technology and being capable of the direct measurement displacement.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of bridge displacement measurement apparatus.
The technical solution of the utility model is：
A kind of bridge displacement measurement apparatus, including the measurement apparatus shell on the bridge pier being fixed between left beam slab and right beam slab
Body, the inside of measurement apparatus housing is provided with measuring mechanism；Described measuring mechanism includes parallel be fixed in measurement apparatus housing
First fixed seat and the second fixed seat in portion, the first fixed seat and the second fixed seat are equipped with axis hole, the first fixed seat and second
Expansion link is coated with the axis hole of fixed seat, the excircle of the expansion link between the first fixed seat and the second fixed seat fixes suit
Have an annular boss, the excircle of the expansion link between annular boss and the first fixed seat is set with the first spring, annular boss and
The excircle of expansion link between second fixed seat is set with second spring, and expansion link one end is from the side wall of measurement apparatus housing
It is fixedly connected after passing with corresponding left beam slab or the corresponding end face of right beam slab, the excircle of expansion link is provided with scale vertically
Line.
It is preferred that, the inside of the measurement apparatus housing of described expansion link side is provided with slide rheostat, slide rheostat
Slider be fixedly connected with the annular boss of expansion link by contact connecting rod；The inside of measurement apparatus housing is provided with detection
Module, detection module includes controller, converter and wireless module, and converter and wireless module are electrically connected with controller respectively
Connect, slide rheostat is electrically connected with converter.
It is preferred that, described controller is AD89C52 single-chip microcomputers, and converter is ADC0804 chips, and wireless module is
PTR2000 chips；The ADC_7 pins of ADC0804 chips are connected to after the contact P1 series resistances R2 of slide rheostat.
It is preferred that, the inside of described measurement apparatus housing often covers measuring mechanism distribution at least provided with two sets of measuring mechanisms
Correspondence is connected with slide rheostat and detection module.
The beneficial effects of the utility model are：
The measurement apparatus of the application realizes the detection of beam slab and bridge pier relative position by the cooperation of expansion link and spring, knot
Structure is simple, and performance is stable, easy to operate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit diagram of the present utility model；
In figure：1 is bridge pier, and 2 be left beam slab, and 3 be right beam slab, and 4 be measurement apparatus housing, and 5 be expansion link, and 6 be first solid
Reservation, 7 be the first spring, and 8 be annular boss, and 9 be slide rheostat, and 10 be contact connecting rod, and 11 be second spring, and 12 be the
Two fixed seats, 13 be detection module, and 14 be graduation mark.
Embodiment
Embodiment one：Referring to Fig. 1, a kind of bridge displacement measurement apparatus, including be fixed between left beam slab 2 and right beam slab 3
Bridge pier 1 on measurement apparatus housing 4, the inside of measurement apparatus housing 4 is provided with measuring mechanism.It is identical that measuring mechanism includes structure
Two measuring mechanisms, two measuring mechanisms are fixedly connected with corresponding left beam slab 2 or right beam slab 3 respectively.In the present embodiment with
It is illustrated exemplified by the measuring mechanism in left side.
The measuring mechanism in left side, which includes parallel the first fixed seat 6 and second being fixed on inside measurement apparatus housing 4, to be fixed
Seat 12, the first fixed seat 6 and the second fixed seat 12 are equipped with axis hole, are worn in the axis hole of the first fixed seat 6 and the second fixed seat 12
Equipped with expansion link 5, the excircle fixed cover of the expansion link 5 between the first fixed seat 6 and the second fixed seat 12 is equipped with annular boss
8, the excircle of the expansion link 5 between the fixed seat 6 of annular boss 8 and first is set with the first spring 7, annular boss 8 and second
The excircle of expansion link 5 between fixed seat 12 is set with second spring 11, and the one end of expansion link 5 is from the side of measurement apparatus housing 4
It is fixedly connected after being passed in wall with the corresponding end face of corresponding left beam slab 2, the excircle of expansion link 5 is provided with graduation mark vertically
14。
The course of work：
If left beam slab 2 or right beam slab 3 are subjected to displacement with respect to bridge pier 1, it is subjected to displacement below with left beam slab 2 with respect to bridge pier 1
Exemplified by illustrate, the measurement process of right beam slab 3 is identical with left beam slab 2.
If left beam slab 2 is subjected to displacement with respect to bridge pier 1, when left beam slab 2 is moved to the left with respect to bridge pier 1, expansion link 5 follows a left side
Beam slab 2 is moved to the left, and the first spring 7 is compressed, and second spring 11 is stretched, and stretching can be read by the scale of expansion link 5
Amount；When left beam slab 2 moves right with respect to bridge pier 1, expansion link 5 follows left beam slab 2 to move right, and the first spring 7 is stretched, the
Two springs 11 are compressed, and amount of tension can be read by the scale of expansion link 5.Provided with the first spring 7 and second spring 11, it is used for
Keep stablizing relatively for expansion link 5, it is to avoid external shock causes to rock interference to expansion link 5.Measuring mechanism is simple in construction, work
Good stability, strong antijamming capability.
Embodiment two：Referring to Fig. 1-2, embodiment two and embodiment one are essentially identical, and something in common is repeated no more, difference
Place is：The inside of the measurement apparatus housing 4 of the side of expansion link 5 be provided with slide rheostat 9, the slider of slide rheostat 9 with
The annular boss 8 of expansion link 5 is fixedly connected by contact connecting rod 10.The inside of measurement apparatus housing 4 is provided with detection module 13,
Detection module 13 includes controller, converter and wireless module, and converter and wireless module are electrically connected with the controller respectively,
Slide rheostat 9 is electrically connected with converter.Controller is AD89C52 single-chip microcomputers, and converter is ADC0804 chips, wirelessly
Module is PTR2000 chips.The ADC_7 pipes of ADC0804 chips are connected to after the contact P1 series resistances R2 of slide rheostat 9
Pin.
Operation principle：
While expansion link 5 is subjected to displacement, the annular boss 8 of expansion link 5 pulls to slide by contact connecting rod 10 to be become
The contact P1 movements of device 9 are hindered, the resistance of slide rheostat 9 is changed, and the resistance signal of change is transmitted by ADC0804 chips
AD89C52 single-chip microcomputers are given, corresponding displacement is transferred to wireless receiving by PTR2000 chips again and set by AD89C52 single-chip microcomputers
It is standby.The present embodiment increases detection module 13, and the displacement of beam slab is transferred to wireless receiving by the wireless module of detection module 13
Equipment, is closely observed without personnel, improves personnel's job safety.Often set measuring mechanism is equipped with independent detection module simultaneously
13, do not associate each other, improve the overall stability of equipment.
Embodiment described above is only that preferred embodiment of the present utility model is described, and is not departing from this reality
On the premise of new design spirit, the various modifications that those of ordinary skill in the art make to the technical solution of the utility model
And improvement, it all should fall into the protection domain that the utility model claims are determined.
Claims (4)
1. a kind of bridge displacement measurement apparatus, it is characterised in that including being fixed on the bridge pier between left beam slab and right beam slab
Measurement apparatus housing, the inside of measurement apparatus housing is provided with measuring mechanism；Described measuring mechanism is fixed on measurement including parallel
The first fixed seat and the second fixed seat inside device case, the first fixed seat and the second fixed seat are equipped with axis hole, and first consolidates
Expansion link is coated with the axis hole of reservation and the second fixed seat, the expansion link between the first fixed seat and the second fixed seat it is cylindrical
All fixed covers are equipped with annular boss, and the excircle of the expansion link between annular boss and the first fixed seat is set with the first spring,
The excircle of expansion link between annular boss and the second fixed seat is set with second spring, and expansion link one end is from measurement apparatus shell
It is fixedly connected after being passed in the side wall of body with corresponding left beam slab or the corresponding end face of right beam slab, the excircle of expansion link is vertically
Provided with graduation mark.
2. bridge displacement measurement apparatus according to claim 1, it is characterised in that the measurement dress of described expansion link side
The inside for putting housing is provided with slide rheostat, and the slider of slide rheostat and the annular boss of expansion link are connected by contact
Bar is fixedly connected；The inside of measurement apparatus housing is provided with detection module, and detection module includes controller, converter and wireless mould
Block, converter and wireless module are electrically connected with the controller respectively, and slide rheostat is electrically connected with converter.
3. bridge displacement measurement apparatus according to claim 2, it is characterised in that described controller is that AD89C52 is mono-
Piece machine, converter is ADC0804 chips, and wireless module is PTR2000 chips；The contact P1 series resistances R2 of slide rheostat
The ADC_7 pins of ADC0804 chips are connected to afterwards.
4. bridge displacement measurement apparatus according to claim 3, it is characterised in that the inside of described measurement apparatus housing
At least provided with two sets of measuring mechanisms, often cover measuring mechanism distribution correspondence and be connected with slide rheostat and detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062503.0U CN206339179U (en) | 2017-01-11 | 2017-01-11 | A kind of bridge displacement measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062503.0U CN206339179U (en) | 2017-01-11 | 2017-01-11 | A kind of bridge displacement measurement apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206339179U true CN206339179U (en) | 2017-07-18 |
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| CN201720062503.0U Active CN206339179U (en) | 2017-01-11 | 2017-01-11 | A kind of bridge displacement measurement apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941136A (en) * | 2017-11-07 | 2018-04-20 | 国网江苏省电力公司盐城供电公司 | A kind of cable displacement deformation system for measuring quantity |
| CN107984461A (en) * | 2017-12-06 | 2018-05-04 | 哈尔滨工业大学 | Towards the pneumatic upper limb assistance exoskeleton robot for carrying work |
-
2017
- 2017-01-11 CN CN201720062503.0U patent/CN206339179U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941136A (en) * | 2017-11-07 | 2018-04-20 | 国网江苏省电力公司盐城供电公司 | A kind of cable displacement deformation system for measuring quantity |
| CN107984461A (en) * | 2017-12-06 | 2018-05-04 | 哈尔滨工业大学 | Towards the pneumatic upper limb assistance exoskeleton robot for carrying work |
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