CN209432044U - A kind of highway bridge subgrade and pavement rebound deflection detection device - Google Patents
A kind of highway bridge subgrade and pavement rebound deflection detection device Download PDFInfo
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- CN209432044U CN209432044U CN201920286657.7U CN201920286657U CN209432044U CN 209432044 U CN209432044 U CN 209432044U CN 201920286657 U CN201920286657 U CN 201920286657U CN 209432044 U CN209432044 U CN 209432044U
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Abstract
The utility model belongs to subgrade and pavement rebound deflection detection device technology field, in particular a kind of highway bridge subgrade and pavement rebound deflection detection device, including levers support seat and dial gauge support base, the levers support seat is triangle plate profile structure, triangle passes through screw thread through being connected with leveling bolt one at the top of the levers support seat, one bottom of leveling bolt is fixedly connected to support leg one, and the levers support seat top surface is fixedly connected with temperature measurement shell；Shell is measured by being connected with temperature in levers support seat top surface, temperature measurement case top is inlaid with temperature display, temperature measures housing bottom and is electrically connected with temp probe by electric wire, make survey crew when using this kind of highway bridge subgrade and pavement rebound deflection detection device, temp probe real-time measurement surface temperature can be passed through, and temperature real number is shown by temperature display, provides great convenience to survey crew, meets the use demand of survey crew.
Description
Technical field
The utility model belongs to subgrade and pavement rebound deflection detection device technology field, and in particular to a kind of highway bridge road
Base road surface rebound deflection detection device.
Background technique
Pavement deflection value refers to that under wheel weight effect, vertical deformation caused by road surface, it is reflection pavement strength
A Xiang Zhibiao, pavement structure is thicker, and the more high then deflection value of the intensity of ground surface material or roadbed is smaller, and on the contrary then deflection value is got over
Greatly, formulate that one not only economical but also reasonable scheme, pavement deflection value are therefore in the work such as Pavement Design, construction, maintenance, reinforcing
Essential means, are highway division extensive use in recent years, and pavement benkelman beams deflectometer is used made of lever principle, for surveying
Determine the pavement deflection value between automobile hind axle two-wheel, road surface forms local subsidence (i.e. vertical deformation), road surface under load
The shape of reflection is using load point as center basin shape, referred to as deflection basin, and elasticity makes road surface be restored to original state after load is removed,
Deflection basin disappears, and the difference before and after load is known as deflection value, and test proves, total flexure and the unequal i.e. load of elastic flexure move
After opening, pavement deflection basin not fully disappears, and road surface can also have micro residual deformation, pavement deflection value and speed, temperature
Deng because being known as substantial connection.
Existing technology has the following problems:
1, it is well known that there are much relations, existing highway bridge subgrade and pavement rebound deflection in the deflection value on road surface and road surface
Detection device itself does not carry out the structure of temperature measurement to ground, and survey crew needs in real time to carry out measured road surface real
When temperature measurement, bring very big puzzlement to survey crew；
2, the deflection value and vehicle speed on road surface also have much relations simultaneously, and existing highway bridge subgrade and pavement rebound is curved
Heavy detection device itself does not carry out the structure of tachometric survey to speed, and survey crew can only understand vehicle row by driver
Speed is sailed, centre will appear very big error, be unable to satisfy the use demand of survey crew.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of highway bridge subgrade and pavement time
Deflection testing device is played, having the characteristics that being capable of real-time detection surface temperature and car speed.
To achieve the above object, the utility model provides the following technical solutions: a kind of highway bridge subgrade and pavement rebound is curved
Heavy detection device, including levers support seat and dial gauge support base, the levers support seat are triangle plate profile structure, the lever
Triangle passes through screw thread through leveling bolt one is connected at the top of support base, and one bottom of leveling bolt is fixedly connected to branch
Support foot one, the levers support seat top surface are fixedly connected with temperature measurement shell, and the temperature measurement housing cavity is equipped with
Battery, the temperature measurement case top are inlaid with temperature display, and the temperature display is electrically connected at battery, the temperature
Degree measurement housing bottom is electrically connected with temp probe by electric wire, and the temp probe is electrically connected at temperature display, institute
It states and is vertically welded with levers support frame at the top of levers support seat, levers support frame top is connected with rear thick stick by bearing
Bar, the rear lever left side have been bolted to connection preceding lever, have vertically been fixedly connected with thick stick at the top of the preceding lever left end
Pole support, the rear lever right end top are vertically fixedly connected with measuring point bar, and the dial gauge support base is rondelle structure, institute
It states at the top of dial gauge support base through screw thread through leveling bolt two is connected with, two bottom of leveling bolt is fixedly connected to
Support leg two, the dial gauge support base top are fixedly connected with dial gauge support rod, pass through on the outside of the dial gauge support rod
Bolt card is embedded with table folder, and the table folder top card is embedded with dial gauge.
It preferably, is detachable structure between the preceding lever, levers support seat and rear lever.
Preferably, the preceding lever left end front side surface and rear lever right end front side surface are fixedly connected to spy of testing the speed
Head, from having electronic inside the holes probe.
Preferably, the rear lever length is twice of preceding lever length.
Preferably, the junction of the levers support frame and rear lever is the midpoint of rear lever.
Preferably, the rear lever and preceding lever surface are coated with antirust coat.
Preferably, the levers support seat and dial gauge support base top surface, which are inlayed, is fixedly connected with spirit bubble.
Compared with prior art, the utility model has the beneficial effects that
1, shell is measured by being connected with temperature in levers support seat top surface, temperature measurement case top is inlaid with temperature
Display screen is spent, temperature measures housing bottom and is electrically connected with temp probe by electric wire, and survey crew is made to use this kind of highway
When bridge subgrade and pavement rebound deflection detection device, it can be shown by temp probe real-time measurement surface temperature, and by temperature
Display screen shows temperature real number, provides great convenience to survey crew, meets the use demand of survey crew.
2, by being fixedly connected to holes probe in preceding lever left end front side surface and rear lever right end front side surface, make
This kind of highway bridge subgrade and pavement rebound deflection detection device in use, can remove measurement vehicle by two holes probes
Real time running speed, greatly meet the use demand of survey crew.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of levers support seat in the utility model；
Fig. 3 is the structural schematic diagram of dial gauge support base in the utility model；
In figure: 1, levers support seat；2, dial gauge support base；3, leveling bolt one；4, support leg one；5, temperature measures shell
Body；6, battery；7, temperature display；8, temp probe；9, levers support frame；10, rear lever；11, preceding lever；12, lever branch
Column；13, measuring point bar；14, leveling bolt two；15, support leg two；16, dial gauge support rod；17, table folder；18, dial gauge；19,
Holes probe；20, spirit bubble.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-3 is please referred to, the utility model is the following technical schemes are provided: a kind of highway bridge subgrade and pavement rebound deflection is examined
Device, including levers support seat 1 and dial gauge support base 2 are surveyed, levers support seat 1 is triangle plate profile structure, and levers support seat 1 pushes up
Portion's triangle passes through screw thread through leveling bolt 1 is connected with, and one 3 bottom of leveling bolt is fixedly connected to support leg 1, thick stick
1 top surface of bar support base is fixedly connected with temperature measurement shell 5, and temperature measures 5 inner cavity of shell and is equipped with battery 6, temperature measurement
Temperature display 7 is inlaid at the top of shell 5, temperature display 7 is electrically connected at battery 6, and temperature measurement 5 bottom of shell passes through electricity
Line is electrically connected with temp probe 8, and temp probe 8 is electrically connected at temperature display 7,1 top vertical welding of levers support seat
There is levers support frame 9,9 top of levers support frame is connected with rear lever 10 by bearing, passes through bolt on the left of rear lever 10
Lever 11 before being fixedly connected with, preceding 11 left end of lever top are vertically fixedly connected with lever pillar 12, rear 10 right end of lever top
It is vertically fixedly connected with measuring point bar 13, dial gauge support base 2 is rondelle structure, is passed through at the top of dial gauge support base 2 by screw thread
It wears and is connected with leveling bolt 2 14,2 14 bottom of leveling bolt is fixedly connected to support leg 2 15,2 top of dial gauge support base
It is fixedly connected with dial gauge support rod 16, passes through bolt card on the outside of dial gauge support rod 16 and is embedded with table folder 17,17 top card of table folder
Embedded with dial gauge 18.
In the present embodiment: the automobile driven forward of weight will be formulated, make its rear-wheel other than the radius of influence, generally away from survey
5 meters or so fixed, dial gauge 18 is walked about at this time, becomes smaller than 0.01mm per minute after 18 stable reading of dial gauge, and record is read,
In this kind of device use process, temp probe 8 in real time measures surface temperature, while 11 left end front side surface of preceding lever
The real time running speed of vehicle is recorded with the holes probe 19 of rear 10 right end front side surface of lever, last basis is recorded
Reading, calculate road surface elasticity deflection value, meet the use demand of survey crew.
Specifically, being detachable structure between preceding lever 11, levers support seat 1 and rear lever 10；Convenient for whole device
Movement and transport.
Specifically, preceding 11 left end front side surface of lever and rear 10 right end front side surface of lever are fixedly connected to holes probe
19, from having electronic inside holes probe 19；By equal in preceding 11 left end front side surface of lever and rear 10 right end front side surface of lever
It is fixedly connected with holes probe 19, makes this kind of highway bridge subgrade and pavement rebound deflection detection device in use, can lead to
The real time running speed that two holes probes 19 remove measurement vehicle is crossed, the use demand of survey crew is greatly met.
Specifically, rear 10 length of lever is twice of preceding 11 length of lever；It satisfies the use demand.
Specifically, the junction of levers support frame 9 and rear lever 10 is the midpoint of rear lever 10；Meet lever original
Reason.
Specifically, rear lever 10 is coated with antirust coat with preceding 11 surface of lever；Prevent rear lever 10 and preceding 11 surface of lever
It gets rusty, to influence measurement result.
Specifically, levers support seat 1 and 2 top surface of dial gauge support base are inlayed and are fixedly connected with spirit bubble 20；Just
Whether horizontality is in observation levers support seat 1 and dial gauge support base 2.
The working principle and process for using of the utility model: this kind of highway bridge subgrade and pavement rebound deflection is detected first
Device is placed in measured road surface, and the spirit bubble 20 that observation levers support seat 1 and 2 top surface of dial gauge support base are inlayed leads to
It crosses leveling bolt 1 and leveling bolt 2 14 and levers support seat 1 and dial gauge support base 2 is adjusted into level, adjusted by table folder 17
It saves dial gauge 18 and is suitble to height, so that the reading of dial gauge 18 is adjusted to 5 millimeters or so, make pointer nulling, while the contact of dial gauge 18
13 top center of measuring point bar is resisted, and records the reading of dial gauge 18, the automobile driven forward of weight will be formulated, make its rear-wheel in shadow
It rings other than radius, generally 5 meters or so away from measurement, dial gauge 18 is walked about at this time, is become per minute after 18 stable reading of dial gauge
Less than 0.01mm, record reading, in this kind of device use process, temp probe 8 in real time measures surface temperature, simultaneously
The holes probe 19 of preceding 11 left end front side surface of lever and rear 10 right end front side surface of lever to the real time running speed of vehicle into
Row record, it is last according to the reading recorded, road surface elasticity deflection value is calculated, the use demand of survey crew is met.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of highway bridge subgrade and pavement rebound deflection detection device, including levers support seat (1) and dial gauge support base
(2), it is characterised in that: the levers support seat (1) is triangle plate profile structure, and triangle is logical at the top of the levers support seat (1)
Screw thread is crossed through leveling bolt one (3) is connected with, leveling bolt one (3) bottom is fixedly connected to support leg one (4), institute
It states levers support seat (1) top surface and is fixedly connected with temperature measurement shell (5), temperature measurement shell (5) inner cavity is equipped with
Battery (6), temperature measurement shell (5) top are inlaid with temperature display (7), and the temperature display (7) is electrically connected
In battery (6), temperature measurement shell (5) bottom is electrically connected with temp probe (8), the temp probe by electric wire
(8) it is electrically connected at temperature display (7), is vertically welded with levers support frame (9) at the top of the levers support seat (1), it is described
Levers support frame (9) top is connected with rear lever (10) by bearing, is bolted on the left of the rear lever (10)
It is connected with preceding lever (11), is vertically fixedly connected with lever pillar (12) at the top of preceding lever (11) left end, the rear lever
(10) it is vertically fixedly connected with measuring point bar (13) at the top of right end, the dial gauge support base (2) is rondelle structure, the percentage
By screw thread through leveling bolt two (14) is connected at the top of table support base (2), leveling bolt two (14) bottom is fixed
It is connected with support leg two (15), is fixedly connected with dial gauge support rod (16), the percentage at the top of the dial gauge support base (2)
Table folder (17) are embedded with by bolt card on the outside of table support rod (16), table folder (17) top card is embedded with dial gauge (18).
2. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
It is detachable structure between preceding lever (11), levers support seat (1) and rear lever (10).
3. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
Preceding lever (11) left end front side surface and rear lever (10) right end front side surface are fixedly connected to holes probe (19), the survey
Speed probe (19) is internal from having electronic.
4. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
Lever (10) length is twice of preceding lever (11) length afterwards.
5. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
The junction of levers support frame (9) and rear lever (10) is the midpoint of rear lever (10).
6. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
Lever (10) and preceding lever (11) surface are coated with antirust coat afterwards.
7. a kind of highway bridge subgrade and pavement rebound deflection detection device according to claim 1, it is characterised in that: described
Levers support seat (1) and dial gauge support base (2) top surface, which are inlayed, is fixedly connected with spirit bubble (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286657.7U CN209432044U (en) | 2019-03-07 | 2019-03-07 | A kind of highway bridge subgrade and pavement rebound deflection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286657.7U CN209432044U (en) | 2019-03-07 | 2019-03-07 | A kind of highway bridge subgrade and pavement rebound deflection detection device |
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| Publication Number | Publication Date |
|---|---|
| CN209432044U true CN209432044U (en) | 2019-09-24 |
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ID=67978397
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920286657.7U Active CN209432044U (en) | 2019-03-07 | 2019-03-07 | A kind of highway bridge subgrade and pavement rebound deflection detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287053A (en) * | 2020-02-13 | 2020-06-16 | 长沙理工大学 | Roadbed pavement deflection testing device and testing method |
| CN116356791A (en) * | 2023-04-03 | 2023-06-30 | 兰陵县交通运输局 | Highway subgrade strength detection device |
-
2019
- 2019-03-07 CN CN201920286657.7U patent/CN209432044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287053A (en) * | 2020-02-13 | 2020-06-16 | 长沙理工大学 | Roadbed pavement deflection testing device and testing method |
| CN111287053B (en) * | 2020-02-13 | 2021-07-13 | 长沙理工大学 | Roadbed pavement deflection testing device and testing method |
| CN116356791A (en) * | 2023-04-03 | 2023-06-30 | 兰陵县交通运输局 | Highway subgrade strength detection device |
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