CN207472683U - Pavement strength instrument - Google Patents
Pavement strength instrument Download PDFInfo
- Publication number
- CN207472683U CN207472683U CN201721591411.8U CN201721591411U CN207472683U CN 207472683 U CN207472683 U CN 207472683U CN 201721591411 U CN201721591411 U CN 201721591411U CN 207472683 U CN207472683 U CN 207472683U
- Authority
- CN
- China
- Prior art keywords
- pressure disc
- testboard
- protective cover
- ring
- test specimen
- Prior art date
- 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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is related to a kind of pavement strength instrument, major design main points are, including body and driving device, the output terminal of driving device is fixed with testboard, correspondence is fixed with pressure disc right over testboard, pressure disc is connected with the detection device for detecting pressure disc stress size, the pressure disc is round pie with testboard and is mutually parallel, it is used to press from both sides test specimen between pressure disc and testboard, flexible protective cover is equipped between the pressure disc and testboard, protective cover is vertically sleeved on the outside of test specimen for tubular, upper end is detachably fixed with pressure disc, lower end, which is provided with clip, makes protective cover be tightly attached on testboard outer circle wall.The utility model has the advantages that reducing the sliver generated when detection test specimen ruptures falls to the ground.
Description
Technical field
The utility model is related to highway detection technique field, more particularly to a kind of pavement strength instrument.
Background technology
Pavement strength instrument is mainly used for road pavement and is detected, as the compression strength of cement and lime stabilized soil, splitting are strong
The experiments such as degree, the modulus of resilience, the Marshall Test of bituminous concrete, subgrade soils and multiple road material bearing-ratio test etc.,
There is pavement strength instrument loading to stablize, screw stroke is big, and simple operation and other advantages are construction of the highway unit, universities and colleges and matter
Inspection department requisite instrumentation, pavement material intensity tester are made of body, driving device and arrangements for speed regulation etc., driving device with
Arrangements for speed regulation are arranged at the inside of body, and when being detected to test specimen, driving device effect makes test specimen be squeezed by vertical
Pressure makes test specimen stress, and the power on pavement strength instrument is reacted to by test specimen, judge the performance on road surface, but in test specimen
After the power born reaches maximum value, rupture, which occurs, for test specimen causes powder or bulky grain object to splash, so as to cause the pollution on ground.
Utility model content
The purpose of this utility model is to provide a kind of pavement strength instrument, have to reduce when detection test specimen ruptures and produce
The advantages of raw sliver is fallen to the ground.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of pavement strength instrument, including body and driving device, the output terminal of driving device is fixed with testboard, testboard
Surface corresponds to and is fixed with pressure disc, and pressure disc is connected with the detection device for detecting pressure disc stress size, the pressure
Disk is round pie with testboard and is mutually parallel, and for pressing from both sides test specimen between pressure disc and testboard, the pressure disc is with testing
Flexible protective cover is equipped between platform, protective cover is vertically sleeved on the outside of test specimen for tubular, and upper end is detachably fixed with pressure disc,
Lower end, which is provided with clip, makes protective cover be tightly attached on testboard outer circle wall.
By using above-mentioned technical proposal, in use, test specimen places the inside in protective cover, and the lower part of protective cover with
The outer circumference surface of testboard is close to, and for test specimen when stress ruptures, protective cover effectively prevents sliver to fly out, and is surveyed in test specimen
After the completion of examination, staff removes the top of protective cover from pressure disc, and then sliver is poured onto back out of protective cover
It receives in case, is fallen to the ground so as to reduce the sliver generated when detection test specimen ruptures.
The utility model is further arranged to：The protective cover is transparent plastic cloth.
By using above-mentioned technical proposal, protective cover is made of transparent plastics cloth material, and staff is in operation, right
Test specimen, which carries out squeezed state, to be observed through plastic cloth, more convenient.
The utility model is further arranged to：The upper end of the protective cover, which is provided with clip, makes it be removably fixed in pressure
On the outer circle wall of disk.
By using above-mentioned technical proposal, protective cover upper end is fixed using clip, and clip, which is stuck on the outside of protective cover, to be passed through
Protective cover is stuck on the outer circle wall of pressure disc, it is made to be removably fixed in pressure disc.
The utility model is further arranged to：Velcro is provided between the protective cover and pressure disc.
By using above-mentioned technical proposal, velcro is between pressure disc and protective cover, the protection of staff's operation dismounting
It is fast during cover.
The utility model is further arranged to：The clip includes ring, and ring is arc-shaped, and one end is arranged to gib head,
The other end is rotatably connected to handle, is rotatably connected to draw ring in the middle part of handle, draw ring far from pivot center end cap on gib head to remote
Off-hook head direction, which rotates gib head, reduces the circular arc opening of ring.
By using above-mentioned technical proposal, clip holds process tightly, and the position of the separate pivot center of draw ring is hung at gib head,
To the direction rotating handles far from gib head, handle hauls draw ring, reduces the distance at ring both ends, so as to press clip holding
On power disk or testboard, and clip protective cover.
The utility model is further arranged to：The separate one end being connect with ring of the handle is provided with curved portion, arc
Portion is tilted to away from ring direction.
By using above-mentioned technical proposal, in dismounting, when being provided with the handle of curved portion and lifting, work staff people
Member can directly haul curved portion and lift handle, more convenient.
The utility model is further arranged to：The ring curves arcuation for two metal strips and is formed.
By using above-mentioned technical proposal, arc structure that two metal strips curve, at the lower end for being clipped in protective cover, two
Root metal strip is clipped in different positions respectively, so as to which the sliver for being further reduced powdery is fallen.
In conclusion the utility model has the advantages that：
1. in use, test specimen places the inside in protective cover, and the lower part of protective cover and the outer circumference surface of testboard are tight
Patch, for test specimen when stress ruptures, protective cover effectively prevents sliver to fly out, after the completion of test specimen test, staff
The top of protective cover from pressure disc is removed, then sliver is poured onto out of protective cover in recycling bins, so as to reduce inspection
The sliver generated when test block ruptures is fallen to the ground；
2. protective cover is made of transparent plastics cloth material, in operation, carrying out squeezed state to test specimen can by staff
It is more convenient to be observed through plastic cloth；
3. the arc structure that two metal strips curve, at the lower end for being clipped in protective cover, two metal strips are clipped in not respectively
Same position, so as to which the sliver for being further reduced powdery is fallen.
Description of the drawings
Fig. 1 is the stereogram of pavement strength instrument working condition；
Fig. 2 is the partial sectional view in Figure 1A-A directions；
Fig. 3 is the stereogram of fixing buckle opening state.
In figure, 1, body；11st, it switchs；12nd, gear level；13rd, column；14th, upper beam；2nd, pressure rings；3rd, table is detected；4th, wave
Line pipe；5th, testboard；6th, pressure disc；7th, protective cover；8th, clip；81st, ring；82nd, gib head；83rd, draw ring；84th, handle；85th, arc
Shape portion；9th, test specimen.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing 1, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of pavement strength instrument with reference to figure 1, including body 1, is equipped with driving device and arrangements for speed regulation, body in body 1
1 outside is provided with switch 11 and gear level 12, and for controlling the start and stop of driving device, gear level 12 drives switch 11 for adjusting
The displacement speed of dynamic device output, the output terminal of driving device are fixed with testboard 5, and testboard 5 is under the action of driving device
Move upwards, bellows 4 be provided between the lower part of testboard 5 and platform, prevent extraneous pollutant cause testboard 5 with
1 connecting portion clamping stagnation of body.
With reference to figure 1, the upper surface of body 1 is symmetrically fixed on the both sides of testboard 5, and there are two vertical column 13, columns 13
Upper end upper beam 14 is installed, upper beam 14 is across on two columns 13, and 14 lower surface of upper beam is fixed with pressure rings 2, and pressure rings 2 are
The setting of the axis horizontal of annular and pressure rings 2,2 centre position of pressure rings are fixed with detection table 3, and detection table 3 is fixed on pressure rings 2
The position being connect with upper beam 14, the test lead of detection table 3 are against the inside of 2 lower part of pressure rings, and the lower section of pressure rings 2 is fixed with pressure
Power disk 6, pressure disc 6 is horizontal with 5 stress surface of testboard and face is set, and with reference to Fig. 2, is used between pressure disc 6 and testboard 5
Test specimen 9 is placed, pressure disc 6 and testboard 5 are round pie.
With reference to figure 1 and Fig. 2, protective cover 7 is connected between pressure disc 6 and testboard 5, protective cover 7 is elected to be transparent modeling
Expect cloth, protective cover 7 is tubular and covers on the outside of test specimen 9, and the upper end of protective cover 7 is sleeved on the outer circumference surface of pressure disc 6, and
Outside is provided with clip 8, and binding round protective cover 7 using clip 8 makes it be detachably secured in pressure disc 6, the lower end cap of protective cover 7
On testboard 5, and it is provided with clip 8 on the outside, protective cover 7 is made to be tightly attached to the outer circumference surface of testboard 5 using clip 8.
In use, test specimen 9 places the inside in protective cover 7, and the lower part of protective cover 7 and the outer circumference surface of testboard 5
It to be close to, for test specimen 9 when stress ruptures, protective cover 7 effectively prevents sliver to fly out, after the completion of the test of test specimen 9, work
Personnel remove the top of protective cover 7 from pressure disc 6, and then sliver is poured onto out of protective cover 7 in recycling bins, protection
The lower end of cover 7 can also be removably fixed by clip 8, so as to be stained in excessive sliver influence checks in protective cover 7
During 9 state of test specimen in portion, protective cover 7 can be disassembled and be cleaned or replaced.
It wherein can be arranged to velcro between protective cover 7 and pressure disc 6 to be detachably fixed, remove and install protection
It covers more convenient when 7.
With reference to figure 3, clip 8 includes ring 81, and ring 81 is two metal strip circumflexions, is set in one end of ring 81
Into gib head 82, the other end is rotatably connected to handle 84, and handle 84 is arranged to curved portion 85, curved portion 85 in one end far from rotation
To be tilted to away from the direction of ring 81, the middle part of handle 84 is rotatably connected to draw ring 83, pivot center with handle 84 it is opposite with
The pivot center of ring 81 is parallel.
Clip 8 holds process tightly, and the position of the separate pivot center of draw ring 83 is hung at gib head 82, to the side far from gib head 82
To rotating handles 84, handle 84 hauls draw ring 83, reduces the distance at 81 both ends of ring, so as to which clip 8 be made to hold tightly in pressure disc 6
Or on testboard 5, and protective cover 7 is clipped, for staff in dismounting, the handle 84 for being provided with curved portion 85 lifts when side
Just.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (7)
1. a kind of pavement strength instrument, including body (1) and driving device, the output terminal of driving device is fixed with testboard (5), survey
Correspondence is fixed with pressure disc (6) right over test stand (5), and pressure disc (6) is connected with the inspection for detecting pressure disc (6) stress size
Device is surveyed, the pressure disc (6) is round pie and is mutually parallel with testboard (5), between pressure disc (6) and testboard (5)
For pressing from both sides test specimen (9), it is characterised in that：Flexible protective cover (7), protection are equipped between the pressure disc (6) and testboard (5)
Cover (7) is vertically sleeved on the outside of test specimen (9) for tubular, and upper end is detachably fixed with pressure disc (6), and lower end is provided with clip (8)
Protective cover (7) is made to be tightly attached on testboard (5) outer circle wall.
2. pavement strength instrument according to claim 1, it is characterised in that：The protective cover (7) is transparent plastic cloth.
3. pavement strength instrument according to claim 1, it is characterised in that：The upper end of the protective cover (7) is provided with clip
(8) it is made to be removably fixed on the outer circle wall of pressure disc (6).
4. pavement strength instrument according to claim 1, it is characterised in that：It is set between the protective cover (7) and pressure disc (6)
It is equipped with velcro.
5. the pavement strength instrument according to claim 1 or 3, it is characterised in that：The clip (8) includes ring (81), ring
Part (81) is arc-shaped, and one end is arranged to gib head (82), and the other end is rotatably connected to handle (84), and the rotation of handle (84) middle part connects
Draw ring (83) is connected to, draw ring (83) rotates gib head on gib head (82) far from pivot center end cap to far from gib head (82) direction
(82) circular arc of ring (81) is made to be open to reduce.
6. pavement strength instrument according to claim 5, it is characterised in that：The handle (84) is separate to be connect with ring (81)
One end be provided with curved portion (85), curved portion (85) is tilted to away from ring (81) direction.
7. pavement strength instrument according to claim 5, it is characterised in that：The ring (81) curves arc for two metal strips
Shape is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591411.8U CN207472683U (en) | 2017-11-23 | 2017-11-23 | Pavement strength instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591411.8U CN207472683U (en) | 2017-11-23 | 2017-11-23 | Pavement strength instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472683U true CN207472683U (en) | 2018-06-08 |
Family
ID=62259391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591411.8U Expired - Fee Related CN207472683U (en) | 2017-11-23 | 2017-11-23 | Pavement strength instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682682A (en) * | 2018-12-07 | 2019-04-26 | 潍坊卓远检测仪器科技有限公司 | A kind of multifunction road strength tester |
-
2017
- 2017-11-23 CN CN201721591411.8U patent/CN207472683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682682A (en) * | 2018-12-07 | 2019-04-26 | 潍坊卓远检测仪器科技有限公司 | A kind of multifunction road strength tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |