CN215727452U - UHPC (ultra high Performance polycarbonate) on-site compressive strength and elastic modulus measuring instrument - Google Patents
UHPC (ultra high Performance polycarbonate) on-site compressive strength and elastic modulus measuring instrument Download PDFInfo
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- CN215727452U CN215727452U CN202122047077.2U CN202122047077U CN215727452U CN 215727452 U CN215727452 U CN 215727452U CN 202122047077 U CN202122047077 U CN 202122047077U CN 215727452 U CN215727452 U CN 215727452U
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Abstract
The utility model belongs to the technical field of UHPC detection, and particularly relates to a UHPC on-site compressive strength and elastic modulus measuring instrument, which comprises a resiliometer, a positioning assembly and a fixing assembly; fix the resiliometer through fixed subassembly, hug closely the contact plate with wait to detect the sample, thereby when driving the resiliometer and moving down extrusion inclined plane locating piece together through pressing fixed subassembly, it fixes a position gliding resiliometer to make the connecting block drive the inclined plane locating piece through the second stopper of second spring drive, prevent the resiliometer skew, improve the straightness that hangs down of tapping pole and detection sample, improve detection effects, thereby make the tapping pole pass the perpendicular touching sample that waits to detect of through-hole, thereby improve detection effects, rotate spacing dish through the screw thread before detecting, thereby adjust the height of spacing dish, thereby can surround the tapping pole, prevent that the dust from being stained with and attaching at the tapping pole entering casing inboardly, influence the resilience dynamics of tapping pole, improve the detection effect of resiliometer.
Description
Technical Field
The utility model belongs to the technical field of UHPC detection, and particularly relates to a UHPC on-site compressive strength and elastic modulus measuring instrument.
Background
Ultra-high performance concrete, called UHPC for short, also called reactive powder concrete, is the most innovative cement-based engineering material in the last thirty years, realizes the large span of the engineering material performance, the ultra-high performance concrete needs to be tested for compressive strength and elastic modulus after production, the existing test is generally carried out by a resiliometer, the basic principle of the resiliometer is that a spring drives a bouncing rod, the bouncing rod impacts the bouncing rod vertically contacted with the concrete surface with constant kinetic energy, so that local cement is deformed and absorbs a part of energy, the other part of energy is converted into rebound kinetic energy of the bouncing rod, when the rebound kinetic energy is completely converted into potential energy, the bouncing rod rebounds to the maximum distance, and the instrument displays the maximum rebound distance of the bouncing rod in the name of the rebound value (the ratio of the maximum rebound distance to the initial length of the spring).
In the process of detecting by using the resiliometer, the outside of the resiliometer is generally held by hands, so that the instrument is difficult to vertically collide with cement, and the detection effect is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the UHPC on-site compressive strength and elastic modulus measuring instrument which has the advantages of being convenient to carry and improving the detection accuracy, and solves the problem that the detection effect is influenced because the instrument is difficult to vertically collide with cement by manually using a resiliometer.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a UHPC on-site compressive strength and elastic modulus measuring instrument comprises a resiliometer, a positioning assembly and a fixing assembly;
the resiliometer comprises a shell, a display screen is arranged at the front end of the shell, and an elastic striking rod is connected to the inner side of the shell in a sliding manner;
the locating component comprises a contact plate, the top end of the contact plate is fixedly connected with a first hollow annular plate, the inner side of the first hollow annular plate is in threaded connection with a second hollow annular plate, the top end of the second hollow annular plate is fixedly connected with a limiting disc, the inner sides of the limiting disc and the second hollow annular plate are in sliding connection with a limiting rod, and the top end of the limiting rod is fixedly connected with the fixing component.
Preferably, the inner side of the second hollow annular plate is fixedly connected with a first spring, the top end of the first spring is fixedly connected with a first limiting block, and the first limiting block is fixedly connected with a limiting rod.
Through adopting above-mentioned scheme, make first stopper drive the gag lever post through first spring and make annular fixed plate be located topmost to be convenient for extrude annular fixed plate and make it drive the resiliometer and carry out the vertical slip.
Preferably, the inner side of the limiting disc is fixedly connected with a second spring, one end of the second spring is fixedly connected with a second limiting block, one end of the second limiting block is fixedly connected with a connecting block, and one end of the connecting block is fixedly connected with an inclined plane positioning block.
Through adopting above-mentioned scheme, drive the second stopper through the second spring and make the connecting block drive the inclined plane locating piece and fix a position gliding resiliometer, prevent the resiliometer skew, improve the straightness that hangs down of impact rod and detection sample, improve detection effect.
Preferably, the contact plate is provided with a through hole on the inner side, the limiting disc is provided with a limiting hole on the inner side, and the circle centers of the through hole, the contact plate, the limiting disc and the limiting hole are all on the same vertical line.
Through adopting above-mentioned scheme, make the impact rod contact with the testing sample through the through-hole, because the centre of a circle of through-hole, contact plate, spacing dish and spacing hole all is on same vertical line to the resiliometer vertical slip of being convenient for.
Preferably, the fixed subassembly includes annular fixed plate, annular fixed plate and gag lever post fixed connection, the inboard sliding connection of annular fixed plate has the dead lever, dead lever one end fixedly connected with arc, dead lever one end fixedly connected with circular slab, the inboard threaded connection of annular fixed plate has the screw rod, screw rod one end fixedly connected with extrusion plectane.
Through adopting above-mentioned scheme, make the screw rod rotate at the inboard screw thread of annular fixed plate through rotating the extrusion plectane to make extrusion plectane extrusion circular plate make the dead lever drive arc extrusion resiliometer, thereby fix the resiliometer.
Preferably, the outer side of the fixing rod is fixedly connected with a limiting ring, and one end of the limiting ring is fixedly connected with a third spring.
Through adopting above-mentioned scheme, make when screw rod antiport, make the spacing ring drive dead lever reverse slip through the third spring to be convenient for change and the resiliometer of fixed different specifications.
Preferably, the number of dead lever has eight, the number of screw rod and extrusion plectane all has four, eight the dead lever is two sets of from top to bottom the annular fixed plate inboard is that 90 is the annular to be arranged, four the screw rod is annular with the extrusion plectane and is located about being the annular and is arranged dead lever centre.
By adopting the scheme, the screw and the extrusion circular plate are positioned in the middle of the fixed rods which are annularly arranged up and down, so that the upper and lower groups of fixed rods which are annularly arranged at 90 degrees on the inner side of the annular fixed plate move synchronously, and the fixing effect is improved.
(III) advantageous effects
Compared with the prior art, the utility model provides a UHPC on-site compressive strength and elastic modulus measuring instrument, which has the following beneficial effects:
the UHPC on-site compressive strength and elastic modulus measuring instrument fixes a resiliometer through a fixing component, a contact plate is tightly attached to a sample to be detected, the contact plate and the sample to be detected are positioned on the same horizontal plane, the resiliometer is driven to move downwards through pressing the fixing component, when an inclined plane positioning block is pushed downwards, a second limiting block is driven by a second spring to drive a connecting block to drive the inclined plane positioning block to position the sliding resiliometer, the resiliometer is prevented from deviating, the verticality of a striking rod and the sample to be detected is improved, the detection effect is improved, the limiting rod drives a first limiting block to extrude a first spring through the fixing component, so that the striking rod penetrates through a through hole to vertically touch the sample to be detected, the detection effect is improved, a limiting disc is rotated through threads before detection, a second hollow annular plate is rotated on the inner side of the first hollow annular plate, and the height of the limiting disc is adjusted, therefore, the bouncing rod can be surrounded, dust is prevented from being attached to the bouncing rod and entering the inner side of the shell, the rebounding force of the bouncing rod is influenced, and the detection effect of the resiliometer is improved; and the instrument is small in size and convenient to carry, nondestructive testing can be carried out by field testing personnel holding the instrument, and the detection is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure at position A in the present invention;
in the figure:
1. a rebound tester; 11. a housing; 12. a display screen; 13. a tapping rod;
2. a positioning assembly; 21. a contact plate; 211. a through hole; 212. a limiting hole; 22. a first hollow annular plate; 23. a second hollow annular plate; 231. a first spring; 232. a first stopper; 24. a limiting disc; 241. a second spring; 242. a second limiting block; 243. connecting blocks; 244. an inclined plane positioning block; 25. a limiting rod;
3. a fixing assembly; 31. an annular fixed plate; 32. fixing the rod; 321. a limiting ring; 322. a third spring; 33. an arc-shaped plate; 34. a circular plate; 35. a screw; 36. the circular plate is pressed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A UHPC on-site compressive strength and elastic modulus measuring instrument comprises a resiliometer 1, a positioning assembly 2 and a fixing assembly 3;
the resiliometer 1 comprises a shell 11, a display screen 12 is arranged at the front end of the shell 11, and an elastic rod 13 is connected to the inner side of the shell 11 in a sliding manner;
the positioning assembly 2 comprises a contact plate 21, the top end of the contact plate 21 is fixedly connected with a first hollow annular plate 22, the inner side of the first hollow annular plate 22 is in threaded connection with a second hollow annular plate 23, the top end of the second hollow annular plate 23 is fixedly connected with a limiting disc 24, the inner sides of the limiting disc 24 and the second hollow annular plate 23 are in sliding connection with a limiting rod 25, and the top end of the limiting rod 25 is fixedly connected with the fixing assembly 3;
the inboard fixedly connected with first spring 231 of second hollow annular plate 23, the first stopper 232 of first spring 231 top fixedly connected with, first stopper 232 and gag lever post 25 fixed connection, the inboard fixedly connected with second spring 241 of spacing dish 24, second spring 241 one end fixedly connected with second stopper 242, second stopper 242 one end fixedly connected with connecting block 243, connecting block 243 one end fixedly connected with inclined plane locating piece 244, contact plate 21 inboard is provided with through-hole 211, spacing dish 24 inboard is provided with spacing hole 212, and the centre of a circle of through-hole 211, contact plate 21, spacing dish 24 and spacing hole 212 all is on same vertical line.
Referring to fig. 1-3, in use, the resiliometer 1 is fixed by the fixing assembly 3, the contact plate 21 is tightly attached to the sample to be detected, the contact plate 21 and the sample to be detected are in the same horizontal plane, the limit disc 24 is rotated by the screw thread, the second hollow annular plate 23 is rotated by the screw thread inside the first hollow annular plate 22, so as to adjust the height of the limit disc 24, so as to surround the striking rod 13, prevent dust from attaching on the striking rod 13 and entering the inside of the housing 11, influence the rebound force of the striking rod 13, improve the detection effect of the resiliometer 1, the resiliometer 1 is driven to move downwards together by pressing the fixing assembly 3, when the inclined plane positioning block 244 is pressed downwards, the second limit block 242 is driven by the second spring 241 to drive the inclined plane positioning block 244 to position the sliding resiliometer 1, prevent the resiliometer 1 from shifting, and improve the verticality of the striking rod 13 and the sample to be detected, improve the detection effect, make gag lever post 25 drive first stopper 232 extrusion first spring 231 through fixed subassembly 3 to make the tapping pole 13 pass through the perpendicular touching sample that waits to detect of through-hole 211, thereby improve the detection effect, be convenient for simultaneously observe display screen 12.
Example two
On the basis of the first embodiment, a fixing assembly 3 with improved fixing effect on the rebound apparatus 1 is added.
The fixing component 3 comprises an annular fixing plate 31, the annular fixing plate 31 is fixedly connected with the limiting rod 25, a fixing rod 32 is slidably connected to the inner side of the annular fixing plate 31, an arc-shaped plate 33 is fixedly connected to one end of the fixing rod 32, one end of the fixing rod 32 is fixedly connected with a circular plate 34, the inner side of the annular fixing plate 31 is in threaded connection with a screw 35, one end of the screw 35 is fixedly connected with an extrusion circular plate 36, the outer side of the fixed rod 32 is fixedly connected with a limit ring 321, one end of the limiting ring 321 is fixedly connected with a third spring 322, the number of the fixing rods 32 is eight, the number of the screw rods 35 and the extrusion circular plates 36 is four, eight the fixing rods 32 are arranged in two groups from top to bottom, the inner sides of the annular fixing plates 31 are arranged in an annular shape at 90 degrees, and the screw rods 35 and the extrusion circular plates 36 are arranged in an annular shape from top to bottom in the middle of the fixing rods 32.
Referring to fig. 1-3, when fixing the resiliometer 1 through the fixing assembly 3, place the resiliometer 1 inside the annular fixing plate 31, make the screw 35 rotate at the inboard screw thread of annular fixing plate 31 by rotating the extrusion circular plate 36, thereby make the extrusion circular plate 36 extrude the circular plate 34 and make the fixing rod 32 drive the arc 33 to extrude the resiliometer 1, thereby fix the resiliometer 1, because the screw 35 and the extrusion circular plate 36 are located in the middle of the fixing rod 32 that is arranged annularly up and down, thereby make two sets of upper and lower fixing rods 32 that are arranged annularly at 90 ° inside of the annular fixing plate 31 move synchronously by extruding the circular plate 36, improve the fixing effect, prevent the resiliometer 1 from shifting in the process of downward sliding.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A UHPC on-site compressive strength and elastic modulus measuring instrument is characterized in that: comprises a resiliometer (1), a positioning component (2) and a fixing component (3);
the resiliometer (1) comprises a shell (11), a display screen (12) is arranged at the front end of the shell (11), and an elastic striking rod (13) is connected to the inner side of the shell (11) in a sliding manner;
locating component (2) includes contact plate (21), first hollow annular slab (22) of contact plate (21) top fixedly connected with, the inboard threaded connection of first hollow annular slab (22) has the hollow annular slab of second (23), the hollow annular slab of second (23) top fixedly connected with spacing dish (24), spacing dish (24) and the hollow annular slab of second (23) inboard sliding connection have gag lever post (25), gag lever post (25) top and fixed subassembly (3) fixed connection.
2. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 1, wherein: the inner side of the second hollow annular plate (23) is fixedly connected with a first spring (231), the top end of the first spring (231) is fixedly connected with a first limiting block (232), and the first limiting block (232) is fixedly connected with a limiting rod (25).
3. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 1, wherein: the limiting plate is characterized in that a second spring (241) is fixedly connected to the inner side of the limiting plate (24), a second limiting block (242) is fixedly connected to one end of the second spring (241), a connecting block (243) is fixedly connected to one end of the second limiting block (242), and an inclined plane positioning block (244) is fixedly connected to one end of the connecting block (243).
4. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 1, wherein: the inner side of the contact plate (21) is provided with a through hole (211), the inner side of the limiting disc (24) is provided with a limiting hole (212), and the circle centers of the through hole (211), the contact plate (21), the limiting disc (24) and the limiting hole (212) are all on the same vertical line.
5. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 1, wherein: fixed subassembly (3) include annular fixed plate (31), annular fixed plate (31) and gag lever post (25) fixed connection, annular fixed plate (31) inboard sliding connection has dead lever (32), dead lever (32) one end fixedly connected with arc (33), dead lever (32) one end fixedly connected with circular slab (34), annular fixed plate (31) inboard threaded connection has screw rod (35), screw rod (35) one end fixedly connected with extrusion circular slab (36).
6. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 5, wherein: the outer side of the fixing rod (32) is fixedly connected with a limiting ring (321), and one end of the limiting ring (321) is fixedly connected with a third spring (322).
7. The UHPC on-site compressive strength and elastic modulus measuring instrument according to claim 5, wherein: the number of dead lever (32) has eight, the number of screw rod (35) and extrusion plectane (36) all has four, eight dead lever (32) is two sets of from top to bottom ring shaped fixing plate (31) inboard etc. 90 is the annular and arranges, four screw rod (35) and extrusion plectane (36) are that the annular is located from top to bottom and is the annular and arranges dead lever (32) centre.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047077.2U CN215727452U (en) | 2021-08-27 | 2021-08-27 | UHPC (ultra high Performance polycarbonate) on-site compressive strength and elastic modulus measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047077.2U CN215727452U (en) | 2021-08-27 | 2021-08-27 | UHPC (ultra high Performance polycarbonate) on-site compressive strength and elastic modulus measuring instrument |
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| CN215727452U true CN215727452U (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115524248A (en) * | 2022-10-28 | 2022-12-27 | 湖南元天检测技术有限公司 | Concrete strength intellectual detection system device |
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- 2021-08-27 CN CN202122047077.2U patent/CN215727452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115524248A (en) * | 2022-10-28 | 2022-12-27 | 湖南元天检测技术有限公司 | Concrete strength intellectual detection system device |
| CN115524248B (en) * | 2022-10-28 | 2023-08-04 | 湖南元天检测技术有限公司 | Concrete intensity intelligent detection device |
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Effective date of registration: 20221223 Address after: Room 1601 and 1602, No. 11, Lane 803, Shuangcheng Road, Baoshan District, Shanghai, 2019 Patentee after: Shanghai Concrete New Material Technology Co.,Ltd. Address before: Room 486, floor 4, building 3, No. 118, Shengpu Road, Suzhou Industrial Park, China (Jiangsu) pilot Free Trade Zone, Suzhou, Jiangsu 215000 Patentee before: Suzhou Ruyi New Material Technology Co.,Ltd. |