CN208847739U - Concrete shrinkage analyzer - Google Patents
Concrete shrinkage analyzer Download PDFInfo
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- CN208847739U CN208847739U CN201821382628.2U CN201821382628U CN208847739U CN 208847739 U CN208847739 U CN 208847739U CN 201821382628 U CN201821382628 U CN 201821382628U CN 208847739 U CN208847739 U CN 208847739U
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- platform
- compression bar
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- sensor
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Abstract
The utility model discloses a kind of concrete shrinkage analyzers, major design main points are, including host, detection plate, sensor and fixation device for installing sensor, detection plate is staggered relatively with sensor, sensor is connected electrically on host, fixed device includes portal trestle, and sensor is mounted on portal trestle；The portal trestle includes platform and the side plate positioned at platform two sides, side plate is vertical with platform, through-hole is offered on the side plate, through-hole is inserted with compression bar perpendicular to side plate in through-hole, compression bar in through-hole slidably, one end that compression bar is on the inside of portal trestle is provided with briquetting, and fastening spring is cased on compression bar, fastening spring one end is pressed against side plate, and the other end is pressed against briquetting.The utility model makes its more convenient use by Fast Installation portal trestle.
Description
Technical field
The utility model relates to a kind of concrete shrinkage measurement device, in particular to a kind of concrete shrinkage measurement
Instrument.
Background technique
As the process of solidification and aging will shrink deformation after concrete casting.Concrete shrinkage performance is that evaluation is mixed
The important technology index of the crack resistance of soil is coagulated, the detection of the performance, which prevents concrete component from generating crack concrete works, to be had
Practical significance.When measurement, using Mechanical Contact mode and current vortex mode, since current vortex mode is contactless concrete receipts
Contracting performance test method, measuring accuracy is high, so that current vortex mode is widely used.
A kind of concrete early age shrinkage performance survey is disclosed in the patent document that Authorization Notice No. is CN201387426Y
Determine the fixed device of instrument displacement probe, including portal trestle, two side plates of the portal trestle by platform and positioned at platform two sides form,
It is opened up on side plate there are two screw hole, inside screw is installed in screw hole, test the two of mould in use, being locked at by screw
Side, thus fixed portal trestle.
But since the cooperation of screw and screw hole needs when dismantling portal trestle from test mould all screws
All unclamp；When being installed on test mould portal trestle, need all screws all to tighten, so making concrete shrinkage
Property analyzer it is inconvenient to use.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of measurements of concrete shrinkage
Instrument makes its more convenient use by Fast Installation portal trestle.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of concrete shrinkage analyzer, including host, detection plate, sensor and fixed dress for installing sensor
It sets, detection plate is staggered relatively with sensor, and sensor is connected electrically on host, and fixed device includes portal trestle, sensor peace
On portal trestle；The portal trestle includes platform and the side plate positioned at platform two sides, and side plate is vertical with platform, the side
Offer through-hole on plate, through-hole is inserted with compression bar in through-hole, in through-hole slidably, compression bar is in door shape to compression bar perpendicular to side plate
One end on the inside of bracket is provided with briquetting, and fastening spring is cased on compression bar, and fastening spring one end is pressed against side plate, and the other end supports
Briquetting.
By using above-mentioned technical proposal, in use, host is used for the signal of receiving sensor, detection plate is matched with sensor
It closes and generates concrete shrinkage signal, sensor is fixed on portal trestle, thus when staff carries out portal trestle peace
When dress, first all compression bars are pulled in through-hole to far from the direction in the middle part of platform, keep the distance between compression bar of two sides big
In the width of test mould, two side plates are placed into the two sides of test mould, the sidewall locations of the end point test mould of compression bar, pine
Compression bar is opened, compression bar is under the active force of fastening spring, and the briquetting of compression bar end is against on the side wall of test mould, to make a shape branch
Frame is fixed on test mould；When disassembly, compression bar is hauled, so that the briquetting of compression bar end is squeezed fastening spring, so that compression bar be made to unclamp
Mould is tested, so that portal trestle installation is more convenient, instrument uses more convenient.
The utility model is further arranged to: the through-hole at least offers 2 on each side plate, in each through-hole
Compression bar is installed.
By using above-mentioned technical proposal, through-hole at least offers 2 on each side plate, pacifies in through-hole each in this way
Equipped with compression bar, so that multiple compression bars be made to be pressed on test mould, the fixing intensity of portal trestle is improved.
The utility model is further arranged to: the compression bar is located at the outside of portal trestle far from one end of briquetting, and
Connecting rod is provided between compression bar on side plate；It is fixed with force seat in the middle part of the platform, is offered on the seat that exerts a force vertical
Directly in being inserted with guide rod in the pilot hole of platform, pilot hole, guide rod one end is inserted in pilot hole, and the other end is fixed with operation
Bar is provided with drive rod between operating stick and connecting rod, drive rod one end is rotatably connected in connecting rod, other end rotation connection
In operating stick.
By using above-mentioned technical proposal, a connecting rod is arranged far from one end of briquetting in compression bar, fixes multiple compression bars
Together, staff seats against operating stick closely to force, to make two drives by hold operating stick and force seat with hand
Lever pushes connecting rod and moves to the direction far from side plate, and connecting rod is moved with compression bar, unclamps test mould, operation side
Just.
The utility model is further arranged to: two drive rods being rotatably connected in operating stick are symmetrical arranged.
By using above-mentioned technical proposal, when two drive rods being rotatably connected in operating stick are symmetrical arranged, operating stick
Both ends it is identical to the active force of drive rod, the mobile distance of the compression bars of two sides is identical, thus more convenient to just when installing.
The utility model is further arranged to: the side on the briquetting relative to compression bar is provided with non-slip mat.
By using above-mentioned technical proposal, the non-slip mat being arranged on briquetting can increase friction of the briquetting to test mould
Power keeps portal trestle fixed than stronger.
The utility model is further arranged to: there are two protrusions for setting on the lower surface of the platform, and two protrusions are respectively
The position of proximal panel is leaned on platform.
By using above-mentioned technical proposal, when in use, protrusion is against test mould to two protrusions on the lower surface of platform
Upper surface, so that portal trestle be made to be easier to be horizontally arranged.
The utility model is further arranged to: the upper surface of the platform is provided with guide rail, is provided with mounting base on guide rail,
Mounting base is connected with adjusting component, and sensor is fixed in mounting base.
By using above-mentioned technical proposal, the mounting base being mounted on guide rail can move under the action of adjusting component,
To make the sensor being fixed in mounting base be easier to positive detection plate.
The utility model is further arranged to: the adjusting component includes the screw rod of support and revolving support on the support,
Support is fixed on platform, and screw rod is threadedly engaged with mounting base, and the length direction of screw rod and the length direction of guide rail are parallel.
By using above-mentioned technical proposal, screw rod rotational support on the support, when screw rod rotates, mounting base and screw flight
Cooperation, mounting base are slided on guide rail along the length direction of screw rod, and screw rod degree of regulation is relatively high.
The utility model is further arranged to: being provided with handwheel on the screw rod.
By using above-mentioned technical proposal, handwheel is set on screw rod, staff can be facilitated to rotate screw rod, makes to adjust ratio
It is more convenient.
The utility model is further arranged to: compressed spring is arranged on the screw rod, compressed spring one end is against installation
Seat, the other end support on the support.
By using above-mentioned technical proposal, the compressed spring covered on screw rod makes between mounting base and screw rod against mounting base
Fit clearance reduces, and improves degree of regulation.
In conclusion the utility model has the following beneficial effects:
1. by the compression bar that is arranged on side plate, the fastening spring covered on compression bar, make portal trestle install when in use with
Disassembly is more convenient, so that it is more convenient to use instrument；
2. by being arranged in operating stick above platform, one is held by operating stick and force seat, and operating stick is to force seat
In mobile process, drive rod can open the compression bar of two sides, to operate more convenient；
3. by the screw rod that is arranged on platform, screw rod and mounting base are threadedly engaged, and degree of regulation is high, thus convenient pair
The adjusting of sensor.
Detailed description of the invention
Fig. 1 is the perspective view of concrete shrinkage analyzer；
Fig. 2 is the partial view of concrete shrinkage analyzer；
Fig. 3 is the cross-sectional view in the direction Fig. 2A-A.
Appended drawing reference: 1, mould is tested；2, host；3, detection plate；4, sensor；5, fixed device；51, portal trestle；
511, platform；5111, raised；512, side plate；5121, through-hole；52, guide rail；53, mounting base；531, guide groove；54, adjusting group
Part；541, support；542, screw rod；543, handwheel；544, compressed spring；61, compression bar；62, briquetting；63, non-slip mat；64, it clamps
Spring；65, connecting rod；66, exert a force seat；661, pilot hole；67, operating stick；671, guide rod；68, drive rod；7, concrete.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.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 ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of concrete shrinkage analyzer, with reference to Fig. 1 and Fig. 2, for measuring the shrinking percentage of concrete seven process of setting,
Concrete seven needs to test mould 1 using concrete seven when shrinking measurement, test mould 1 is the rectangle frame of upper opening, fills in test mould 1
Note needs the concrete seven measured.Concrete shrinkage analyzer includes host 2, detection plate 3, sensor 4 and senses for installing
The fixation device 5 of device 4, fixed device 5 include portal trestle 51, and portal trestle 51 is including platform 511 and is located at 511 two sides of platform
Side plate 512, surface of the side plate 512 perpendicular to platform 511.In use, two side plates 512 are located at the two sides of test mould 1.Side plate
Clamping device is installed, clamping device is used to be clipped in the side plate 512 of test mould 1 on 512.The lower surface of platform 511 is provided with
Two protrusions 5111, protrusion 5111 are located at the position that proximal panel 512 is leaned on platform 511.In use, two protrusions 5111 are supported
It is pressed in the upper surface of test mould 1, platform 511 is made to be in horizontality.Detection plate 3 is placed on concrete seven relative to sensor 4
On, during solidification, detection plate 3 can move downward concrete seven with the contraction of concrete seven.Host 2 and sensor 4 it
Between be electrically connected, sensor 4 detects the obtained position of detection plate 3 and is measured and shows by host 2.
Referring to figs. 2 and 3, clamping device includes compression bar 61, offers through-hole 5121 on side plate 512, compression bar 61 and logical
Hole 5121 cooperates, and compression bar 61 runs through through-hole 5121, and compression bar 61 can be slided in through-hole 5121 along the length direction of through-hole 5121, pressure
The middle part of the direction platform 511 of bar 61.When portal trestle 51 is placed on the upper surface of test mould 1, compression bar 61 is located at portal trestle 51
One end of inside refers to the sidewall locations in test mould 1.Compression bar 61, which is located on one end of 51 inside of portal trestle, is fixed with briquetting 62,
Briquetting 62 is provided with non-slip mat 63 in the one side far from compression bar 61.Fastening spring 64, fastening spring 64 1 are cased on compression bar 61
End is against on side plate 512, and the other end is against on briquetting 62, and the elastic force of fastening spring 64 makes briquetting 62 be clipped in the side wall for testing mould 1
On, so that portal trestle 51 is fixed on test mould 1.
Referring to figs. 2 and 3, it in order to keep clamping device stronger to the fixation of portal trestle 51, is set on each side
It is equipped with and at least opens up there are two through-hole 5121, multiple compression bars 61 on the same side are towards one outside portal trestle 51
End is both connected in the same connecting rod 65.It is provided with force seat 66 in the middle part of the upper surface of platform 511, is opened on the seat 66 that exerts a force
Equipped with vertical pilot hole 661, for pilot hole 661 perpendicular to the upper surface of platform 511, the top of platform 511 is provided with operating stick
67, downward guide rod 671 is provided in operating stick 67, guide rod 671 and pilot hole 661 cooperate, and are being oriented to operating stick 67
Sliding in hole 661, operating stick 67 is horizontally disposed, and the both ends of operating stick 67 are symmetrical arranged that there are two drive rod 68, drive rods
68 are hinged on the end of operating stick 67, and drive rod 68 is hinged in connecting rod 65 far from one end of operating stick 67, two drive rods
68 are arranged in splayed.When staff holds operating stick 67 and force seat 66 simultaneously, operating stick 67 is close to force seat 66, from
And the splayed subtended angle for forming two drive rods 68 becomes larger, the distance of two connecting rods 65 increases, and connecting rod 65 hauls briquetting
62 side walls far from test mould 1 facilitate staff to remove or install portal trestle 51 from test mould 1.
With reference to Fig. 2, sensor 4 is mounted on platform 511, since portal trestle 51 is fixed, so sensor 4 for convenience
The distance between detection plate 3 is adjusted.Guide rail 52 is provided on platform 511, the length direction of guide rail 52 is directed parallel to side
Plate 512 is additionally provided with mounting base 53 on platform 511, and guide groove 531, guide rail 52 and guide groove 531 are offered in mounting base 53
Cooperation, so that mounting base 53 be enable to slide on guide rail 52.The adjusting group for adjusting mounting base 53 is provided on platform 511
Part 54, adjusting component 54 includes support 541 and screw rod 542, and the length direction of screw rod 542 is parallel with the length direction of guide rail 52,
And 542 revolving support of screw rod offers the screw hole cooperated with screw rod 542 on support 541 in mounting base 53.On screw rod 542
It is mounted on handwheel 543.By rotating handwheel 543, rotate screw rod 542, when screw rod 542 rotates, mounting base 53 is along screw rod 542
Length direction slided on guide rail 52, be fixed on the position of sensor 4 in mounting base 53 to adjust.In order to make screw rod 542
In rotation, keeps stablizing between mounting base 53 and screw rod 542, compressed spring 544, compressed spring are set on screw rod 542
544 one end are pressed against support 541, and the other end is pressed against mounting base 53.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of concrete shrinkage analyzer, including host (2), detection plate (3), sensor (4) and for installing sensor
(4) fixation device (5), detection plate (3) and sensor (4) are staggered relatively, and sensor (4) is connected electrically on host (2), fixed
Device (5) includes portal trestle (51), and sensor (4) is mounted on portal trestle (51)；The portal trestle (51) includes flat
Platform (511) and the side plate (512) for being located at platform (511) two sides, side plate (512) are vertical with platform (511), it is characterised in that: institute
It states and is offered on side plate (512) through-hole (5121), for through-hole (5121) perpendicular to side plate (512), through-hole (5121) is interior to be inserted with compression bar
(61), compression bar (61) is interior slidably in through-hole (5121), and one end that compression bar (61) is on the inside of portal trestle (51) is provided with pressure
Block (62), and fastening spring (64) are cased on compression bar (61), fastening spring (64) one end is pressed against side plate (512), and the other end supports
Briquetting (62).
2. concrete shrinkage analyzer according to claim 1, it is characterised in that: the through-hole (5121) is in each side
2 are at least offered on plate (512), are mounted on compression bar (61) in each through-hole (5121).
3. concrete shrinkage analyzer according to claim 2, it is characterised in that: the compression bar (61) is far from briquetting
(62) one end is located at the outside of portal trestle (51), and is provided with connection between the compression bar (61) being located on side plate (512)
Bar (65)；It is fixed with force seat (66) in the middle part of the platform (511), offers in force seat (66) perpendicular to platform (511)
Pilot hole (661), is inserted with guide rod (671) in pilot hole (661), guide rod (671) one end is inserted in pilot hole (661),
The other end is fixed with operating stick (67), is provided between operating stick (67) and connecting rod (65) drive rod (68), drive rod (68)
One end is rotatably connected on connecting rod (65), and the other end is rotatably connected on operating stick (67).
4. concrete shrinkage analyzer according to claim 3, it is characterised in that: be rotatably connected on operating stick (67)
Two drive rods (68) be symmetrical arranged.
5. concrete shrinkage analyzer according to claim 1, it is characterised in that: relative to pressure on the briquetting (62)
The side of bar (61) is provided with non-slip mat (63).
6. concrete shrinkage analyzer according to claim 1, it is characterised in that: the lower surface of the platform (511)
There are two raised (5111), two protrusions (5111) are located at the position that proximal panel (512) are leaned on platform (511) for upper setting.
7. concrete shrinkage analyzer according to claim 1, it is characterised in that: the upper surface of the platform (511)
It is provided with guide rail (52), is provided on guide rail (52) mounting base (53), mounting base (53), which is connected with, adjusts component (54), sensor
(4) it is fixed on mounting base (53).
8. concrete shrinkage analyzer according to claim 7, it is characterised in that: the adjusting component (54) includes branch
The screw rod (542) of seat (541) and revolving support on support (541), support (541) are fixed on platform (511), screw rod
(542) it is threadedly engaged with mounting base (53), the length direction of screw rod (542) is parallel with the length direction of guide rail (52).
9. concrete shrinkage analyzer according to claim 8, it is characterised in that: be provided on the screw rod (542)
Handwheel (543).
10. concrete shrinkage analyzer according to claim 8 or claim 9, it is characterised in that: covered on the screw rod (542)
Equipped with compressed spring (544), compressed spring (544) one end is pressed against mounting base (53), and the other end is against on support (541).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382628.2U CN208847739U (en) | 2018-08-25 | 2018-08-25 | Concrete shrinkage analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382628.2U CN208847739U (en) | 2018-08-25 | 2018-08-25 | Concrete shrinkage analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847739U true CN208847739U (en) | 2019-05-10 |
Family
ID=66357406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382628.2U Active CN208847739U (en) | 2018-08-25 | 2018-08-25 | Concrete shrinkage analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208847739U (en) |
-
2018
- 2018-08-25 CN CN201821382628.2U patent/CN208847739U/en active Active
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