CN209624599U - A kind of fixed device of displacement sensor for asphalt concrete test - Google Patents
A kind of fixed device of displacement sensor for asphalt concrete test Download PDFInfo
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- CN209624599U CN209624599U CN201920255361.9U CN201920255361U CN209624599U CN 209624599 U CN209624599 U CN 209624599U CN 201920255361 U CN201920255361 U CN 201920255361U CN 209624599 U CN209624599 U CN 209624599U
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- removable
- fixed
- fixedly connected
- steel ring
- connecting rod
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Abstract
The utility model discloses a kind of fixed devices of displacement sensor for asphalt concrete test.Including upper steel ring, lower steel ring, removable fixed chute and fixedly connected part；It is attached between the upper steel ring and lower steel ring by three removable fixed chutes；Three removable fixed chutes are distributed in equilateral triangle；It is bolted between fixedly connected part and the fixation hole of removable connecting rod；Two fixedly connected parts of one removable fixed chute connection are for fixing a displacement sensor.When the utility model is used, adjusting the middle part distance of displacement sensor first, corresponding two fixedly connected parts are also adjusted at a distance from as in the middle part of sensor.Then fixed sensor and fixedly connected part are fixed with screw connection, sensor is fixed on to the medium position of sample, finally realizes freely adjusting for sensor, the practicality is stronger.
Description
Technical field
The utility model belongs to a kind of movable support, especially a kind of with the branch that can accurately adjust distance in the middle part of sensor
Frame technology.
Background technique
UTM Asphalt Mixture Experiment machine is a kind of multifunction test equipment for testing asphalt parameter, by being surveyed
Parameters evaluate the performance on road surface.In numerous representation parameters of bituminous pavement, the dynamic modulus of elasticity is as a kind of
Great representative parameter has important research meaning.Currently, being measured in sample in dynamic modulus experiment using sensor
The deflection in portion.The mode that sensor is fixed around sample is fixed using traditional glue or double-sided adhesive fixed form.This
Kind mode not only reduces test efficiency and is not easy to remove after experiment, so that locating pin used by testing can not be multiple
Reuse, cause the waste of resource.The sensor around sample is now fixed using the movable support of displacement-adjustable,
Not only the position of sensor can be adjusted according to demand, but also make that sensor is easy to install, readily removable removes.Movable support can be permanent
It uses, so that resource rational utilization, substantially increases the efficiency of experiment work.
Summary of the invention
The purpose of the utility model design is to overcome the defect of prior art, in order to solve traditional fixed displacement sensor
The problem of, propose a kind of fixed device of the displacement sensor for asphalt concrete test, structure is simple, it is easily operated, tear open
It unloads conveniently.
To reach above-mentioned technical proposal purpose, the utility model patent the following technical schemes are provided:
A kind of fixed device of displacement sensor for asphalt concrete test includes upper steel ring, lower steel ring, moves admittedly
Determine sliding slot and fixedly connected part；It is attached between the upper steel ring and lower steel ring by three removable fixed chutes；Institute
The three removable fixed chutes stated are distributed in equilateral triangle；The removable fixed chute includes two scale mark posts and two
A removable connecting rod；Wherein, the both ends for moving connecting rod are connected with two scale mark posts respectively, and can be in scale mark post
Lower movement；The middle part of the removable connecting rod is equipped with fixation hole；The fixation hole of fixedly connected part and removable connecting rod it
Between be bolted；The number of fixedly connected part is identical as the number of removable connecting rod；One removable fixed chute connects
Two fixedly connected parts connect are for fixing a displacement sensor.The connection of removable connecting rod and scale mark post is using sliding
Connection, can open up sliding slot in scale mark post, be fixed on the both ends of removable connecting rod in sliding slot, make it can be along the chute
It moves up and down.
The present apparatus angularly sets there are three slidably card slot in circular frame periphery, adopts using ring structure frame as appearance
Sensor is fixed with upper and lower two removable connecting rods and adjusts the distance in the middle part of sensor.
Preferably, the upper steel ring and lower steel ring size are identical with structure, and face arrangement up and down.Upper steel ring and lower steel
Circle composition ring structure frame, inside is for placing asphalt sample.
Preferably, three removable fixed chutes can be rotated synchronously along the circumferential direction of upper steel ring and lower steel ring；
Three removable fixed chutes are distributed in equilateral triangle in rotation process.Removable fixed chute is integrally used as a component, on
Lower both ends are connect with upper steel ring and lower steel ring respectively, and connection type can be to be connected respectively in the upper and lower ends for moving fixed chute
Connect a hollow circular arc lantern ring, cover ring set on upper steel ring and lower steel ring, allow removable fixed chute along upper steel ring and
The circumferential direction of lower steel ring is mobile, so that sensor be made to can detecte the parameter at each position.
Preferably, the fixedly connected part includes bolt fixing piece, vertical connecting rod, lateral fixed link and unscrews fastening
Determine hole；The bolt fixing piece is equipped with fixation hole, for cooperating the fixation hole of removable connecting rod to be bolted；It inserts
Pin fixing piece is fixedly connected with vertical connecting rod, and lateral fixed link is vertically connected with vertical connecting rod, is unscrewed and is fastened hole setting
At the top of lateral fixed link, for being fixedly connected with displacement sensor.Fixedly connected part is as connection sensor and moves solid
Determine the component of sliding slot, effect is fixed sensor；Vertical connecting rod, the length foundation of lateral fixed link are selected.
Depending on the distance of upper and lower two fixedly connected parts is according to the size of sensor itself.
Compared with prior art, the utility model has the following beneficial effects:
(1) when the utility model is used, adjusting the middle part distance of displacement sensor first, corresponding two fixations
Connector is also adjusted at a distance from as in the middle part of sensor.Then fixed sensor and fixedly connected part screw connection are consolidated
It is fixed, sensor is fixed on to the medium position of sample, finally realizes freely adjusting for sensor, the practicality is stronger.
(2) the utility model can be by disassembly screw come so that total scatteredization, so that solid after using
Determine that device is simply portable, does not occupy excessive volumetric spaces.
(3) the utility model moves groove by setting three in parallel, is connected and fixed the symmetrical junction of bar and upper lower steel ring
Structure, so that not only beautiful in appearance but also be easily installed.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the utility model.
Fig. 2 is the removable sliding groove structure schematic diagram of the utility model.
Fig. 3 is the displacement sensor fixedly connected part schematic diagram of the utility model.
Fig. 4 is the schematic diagram that sensor is installed around sample of the utility model.
Specific embodiment
It is described in detail with reference to the accompanying drawing and to preferred embodiment to this utility model patent.
As shown in Figures 1 to 4, the utility model is a kind of fixed dress of the displacement sensor for asphalt concrete test
It sets, the sensor for fixing around asphalt sample.
As illustrated in fig. 1 and 2, the device of fixed displacement sensor includes upper steel ring 2, lower steel ring 1, removable fixed chute 3
And fixedly connected part；It is attached between the upper steel ring and lower steel ring by three removable fixed chutes；Described three
A removable fixed chute is distributed in equilateral triangle；The removable fixed chute includes two scale mark posts 31 and two can
Mobile connection bar 34；Wherein, the both ends for moving connecting rod are connected with two scale mark posts respectively, and can be above and below scale mark post
It is mobile；The middle part of the removable connecting rod is equipped with fixation hole 35；The fixation hole of fixedly connected part and removable connecting rod it
Between be bolted；The number of fixedly connected part is identical as the number of removable connecting rod；One removable fixed chute connects
Two fixedly connected parts connect are for fixing a displacement sensor.The connection of removable connecting rod and scale mark post is using sliding
Connection, can open up sliding slot in scale mark post, be then fixed in sliding slot, make in the both ends setting sliding block 33 of removable connecting rod
It can be moved up and down along the chute.Scale mark post is equipped with scale 32, reacts removable connecting rod in scale mark post 31 with accurate
Position, and the distance in the middle part of measuring sensor.The present apparatus using ring structure frame as appearance, circular frame periphery angularly
If there are three slidably card slot, sensor is fixed using upper and lower two removable connecting rods and adjust in the middle part of sensor away from
From.
As shown in figure 3, the fixedly connected part includes bolt fixing piece 41, vertical connecting rod 42, lateral fixed link 43
Hole 44 is fastened with unscrewing；The bolt fixing piece be equipped with fixation hole, for cooperate the fixation hole of removable connecting rod into
Row is bolted；Bolt fixing piece is fixedly connected with vertical connecting rod, and lateral fixed link is vertically connected with vertical connecting rod, is unscrewed
The top that lateral fixed link is arranged in hole is fastened, for being fixedly connected with displacement sensor.Fixedly connected part is as connection sensing
The component of device and removable fixed chute, effect is fixed sensor；Vertical connecting rod 42, the length of lateral fixed link 43 according to
According to being selected.Depending on the distance of upper and lower two fixedly connected parts is according to the size of sensor itself；Upper and lower two fixations
The structure of connector can be symmetrical, can also be identical, and Fig. 3 show symmetrical structure.
Fixedly connected part can be dismantled with removable connecting rod 34, provide support to move connecting rod 34 to fixed link
Arm.
As shown in figure 4, the upper steel ring and lower steel ring size are identical with structure, and face arrangement up and down.Upper steel ring and
Lower steel ring forms ring structure frame, and inside is for placing asphalt sample.5 surrounding of sample uses 3 displacement sensors
6, for measuring the displacement deformation amount in the middle part of sample.Specimen surface is answered smooth not coarse.In the present embodiment, underlying
External platform device 7 is connected in fixedly connected part, contacts the contact head of sensor and external platform device 7 in measurement.
Preferably, three removable fixed chutes can be rotated synchronously along the circumferential direction of upper steel ring and lower steel ring；
Three removable fixed chutes are distributed in equilateral triangle in rotation process.Removable fixed chute is integrally used as a component, on
Lower both ends are connect with upper steel ring and lower steel ring respectively, and connection type can be to be connected respectively in the upper and lower ends for moving fixed chute
Connect a hollow circular arc lantern ring, cover ring set on upper steel ring and lower steel ring, allow removable fixed chute along upper steel ring and
The circumferential direction of lower steel ring is mobile, so that sensor be made to can detecte the parameter at each position.
Working principle: before use, upper lower steel ring ring and three removable sliding slots are connected, first peripheral frame is overlapped
It is good.And debug the sliding block in each scale mark post sliding slot.Then by removable connecting rod both ends and the sliding block phase in sliding slot
And then the distance of removable connecting rod up and down is adjusted in connection again, by two fixedly connected parts respectively with removable connecting rod
35 phase of fixation hole among 34 is fixed.Finally, sample is put into annular frame, sensor is close to sample periphery, the company of moving
Extension bar top jail sample periphery, can start testing experiment with that.
In conclusion the movable support is small in size, portable, convenient disassembly.It is solid traditional use glue has not only been abandoned
Fixed mode, and test efficiency is increased substantially, increase the accuracy of test data.So that the fixation side of sensor
Formula not will receive the influence of ambient temperature, and bracket can be used with circulating repetition, reach energy-saving and environment-friendly thought.
Claims (4)
1. a kind of fixed device of displacement sensor for asphalt concrete test, it is characterised in that including upper steel ring (2), lower steel
Enclose (1), removable fixed chute (3) and fixedly connected part；It is removable solid by three between the upper steel ring and lower steel ring
Determine sliding slot to be attached；Three removable fixed chutes are distributed in equilateral triangle；
The removable fixed chute includes two scale mark posts (31) and two removable connecting rods (34)；Wherein, removable
The both ends of dynamic connecting rod are connected with two scale mark posts respectively, and can move up and down along scale mark post；The removable connection
The middle part of bar is equipped with fixation hole (35)；
It is bolted between fixedly connected part and the fixation hole of removable connecting rod；The number of fixedly connected part and removable
The number of connecting rod is identical；Two fixedly connected parts of one removable fixed chute connection are for fixing a displacement sensing
Device.
2. the fixed device of the displacement sensor according to claim 1 for asphalt concrete test, it is characterised in that institute
The upper steel ring stated and lower steel ring size are identical with structure, and face arrangement up and down.
3. the fixed device of the displacement sensor according to claim 1 for asphalt concrete test, it is characterised in that institute
The three removable fixed chutes stated can be rotated synchronously along the circumferential direction of upper steel ring and lower steel ring；In rotation process three it is removable
Dynamic fixed chute is distributed in equilateral triangle.
4. the fixed device of the displacement sensor according to claim 1 for asphalt concrete test, it is characterised in that institute
The fixedly connected part stated includes bolt fixing piece (41), vertical connecting rod (42), lateral fixed link (43) and unscrews and fasten hole
(44)；The bolt fixing piece is equipped with fixation hole, for cooperating the fixation hole of removable connecting rod to be bolted；It inserts
Pin fixing piece is fixedly connected with vertical connecting rod, and lateral fixed link is vertically connected with vertical connecting rod, is unscrewed and is fastened hole setting
At the top of lateral fixed link, for being fixedly connected with displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255361.9U CN209624599U (en) | 2019-02-28 | 2019-02-28 | A kind of fixed device of displacement sensor for asphalt concrete test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255361.9U CN209624599U (en) | 2019-02-28 | 2019-02-28 | A kind of fixed device of displacement sensor for asphalt concrete test |
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| Publication Number | Publication Date |
|---|---|
| CN209624599U true CN209624599U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920255361.9U Active CN209624599U (en) | 2019-02-28 | 2019-02-28 | A kind of fixed device of displacement sensor for asphalt concrete test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487322A (en) * | 2020-04-13 | 2020-08-04 | 河海大学 | Detection device and detection method for fracture of sprayed concrete and surrounding rock |
| CN111650363A (en) * | 2020-06-05 | 2020-09-11 | 河海大学 | Method for calculating relative slip value at any interface of profile steel-steel fiber concrete structure |
-
2019
- 2019-02-28 CN CN201920255361.9U patent/CN209624599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487322A (en) * | 2020-04-13 | 2020-08-04 | 河海大学 | Detection device and detection method for fracture of sprayed concrete and surrounding rock |
| CN111650363A (en) * | 2020-06-05 | 2020-09-11 | 河海大学 | Method for calculating relative slip value at any interface of profile steel-steel fiber concrete structure |
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Address after: No. 928, yuhangtang Road, Xihu District, Hangzhou City, Zhejiang Province 310011 Patentee after: Zhejiang shuzhijiaoyuan Technology Co.,Ltd. Patentee after: ZHEJIANG COMMUNICATIONS GROUP TESTING TECHNOLOGY Co.,Ltd. Address before: No.89, Huancheng West Road, Hangzhou, Zhejiang 310000 Patentee before: ZHEJIANG PROVINCIAL INSTITUTE OF COMMUNICATIONS PLANNING DESIGN & RESEARCH Co.,Ltd. Patentee before: ZHEJIANG COMMUNICATIONS GROUP TESTING TECHNOLOGY Co.,Ltd. |