CN209356334U - A kind of elastic modulus of concrete experimental rig - Google Patents
A kind of elastic modulus of concrete experimental rig Download PDFInfo
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- CN209356334U CN209356334U CN201920003781.8U CN201920003781U CN209356334U CN 209356334 U CN209356334 U CN 209356334U CN 201920003781 U CN201920003781 U CN 201920003781U CN 209356334 U CN209356334 U CN 209356334U
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Abstract
The utility model discloses a kind of elastic modulus of concrete experimental rigs, are related to detection device technical field.The elastic modulus of concrete experimental rig, including testing stand, the first cylinder, First piston bar, mechanism for testing, positioning mechanism, concrete test block, backing plate and adapt to piece, the bottom end of two first cylinders is fixedly connected with the both ends of test countertop, the bottom end of two First piston bars is installed on the top of two the first cylinders, and the bottom end at the mechanism for testing both ends is fixedly connected with that there are two fixed links.The elastic modulus of concrete experimental rig, the positioning to concrete test block can be rapidly completed first, data accuracy when concrete test block test can be improved in this way, then the taking-up to steel ball can also be rapidly completed and install again, the working efficiency of concrete impact test can be sufficiently improved in this way, the height of mechanism for testing can also be finally adjusted, mechanism for testing can be facilitated more effectively to carry out impact test to concrete in this way.
Description
Technical field
The utility model relates to detection device technical field, specially a kind of elastic modulus of concrete experimental rig.
Background technique
The height of agent on crack resistance of concrete punching press impact property is an importance for evaluating concrete dynamic performance.It is run on airport
Road, highway pavement, bridge floor even anti-impact, antiknock, in earthquake-resistant modern safeguard structure engineering, punching is pressed to the anti-impact of concrete
Hitting performance, more stringent requirements are proposed.
Currently, existing Authorization Notice No. is the patent document of CN207215618U, a kind of elastic modulus of concrete examination is disclosed
Experiment device, the device in the patent document can be precisely controlled height of drop and the direction of each steel ball, also improve test data
Accuracy, but there is also some disadvantages in the device, are not positioned effectively to concrete test block in device first,
So that concrete test block is in the impact by steel ball, the case where concrete test block will appear positional shift, can reduce in this way
The data accuracy of concrete test block impact test, then the sleeve bottom end in device is that overlapped with the top surface of gasket, in this way
After steel ball drop, can not fast and easy steel ball is taken out, can thus reduce the working efficiency of concrete impact test.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of elastic modulus of concrete experimental rig, the concrete
Impact test device, having prevents concrete test block positional shift, facilitates and take out steel ball, facilitate adjustment test height, improve
The high advantage of the working efficiency and practicability of concrete impact test.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of elastic modulus of concrete examination
Experiment device, including testing stand, the first cylinder, First piston bar, mechanism for testing, positioning mechanism, concrete test block, backing plate and adaptation
The bottom end of piece, two first cylinders is fixedly connected with the both ends of test countertop, the bottom end of two First piston bars
It is installed on the top of two the first cylinders, the bottom end at the mechanism for testing both ends is fixedly connected with that there are two fixed links, and two solid
The bottom of fixed pole is fixedly connected with the top of two First piston bars, at the bottom end and testing stand center of two positioning mechanisms
Top surface be fixedly connected, the inside grafting with two positioning mechanism one end close to each other respectively of the both ends of the concrete test block,
The top surface of the backing plate and the bottom end at positioning mechanism center overlap, and at the center of the bottom surface of backing plate and concrete test block top surface
Overlap joint, the top surface for adapting to piece both ends are fixedly connected with the bottom surface at concrete test block center.
Preferably, the mechanism for testing include crane, inner sleeve, outer sleeve, handle, the second cylinder, second piston bar,
The bottom of baffle and steel ball, the crane both ends is fixedly connected with the top of two First piston bars, the top of the inner sleeve
It being embedded at the center of crane, the inner cavity on the outer sleeve top is set in the outer surface of inner sleeve bottom end, and two described
Hand one end close to each other is fixedly connected at the top of outer sleeve two sides respectively, the bottom of two second cylinders and lifting
The bottom surface of frame both ends inner cavity is fixedly connected, and one end that two second piston bars are located remotely from each other is respectively arranged in two the second gas
Cylinder one end close to each other, one end that two baffles are located remotely from each other through inner sleeve two sides and with two second pistons
Bar one end close to each other is fixedly connected, and the steel ball is set in the inner cavity on inner sleeve top.
Preferably, the positioning mechanism includes stabilizing bracket, support plate, bolt, fixture block and easy rotating part, two stabilizing brackets
Bottom end be fixedly connected with the two sides of top surface at testing stand center, one end that two support plates are located remotely from each other respectively with two
The bottom of stabilizing bracket one side close to each other is fixedly connected, and the top of stabilizing bracket one end close to each other is run through in the bottom end of two bolts
Face, the top surface of two fixture blocks are fixedly connected with the bottom end of two bolts, the bottom of two easy rotating parts and two bolts
Top be fixedly connected.
Preferably, the inner wall of the outer sleeve and the outer surface of inner sleeve are slidably connected.
Preferably, the top surface of two stabilizing brackets is opened up there are two threaded hole, and the bottom end of two bolts and stabilizing bracket
The inner thread of upper two threaded holes connects.
Preferably, the bottom of the steel ball and the top surface of two baffles overlap.
The utility model provides a kind of elastic modulus of concrete experimental rig.Have it is following the utility model has the advantages that
(1), the elastic modulus of concrete experimental rig is controlled two the second cylinders and is opened simultaneously by the mechanism for testing of setting
Dynamic, two the second cylinder startings can drive two second piston bars and baffle while move in the opposite direction, when two
When the inner cavity of place's inner sleeve is moved in baffle one end close to each other completely, such steel ball will fall automatically, when the bottom of steel ball
After hitting with the top surface of gasket, this completes the tests of first time, and steel ball impact is just repeated according to this method
Test, it will be able to which fast and easy completes the detection to concrete test block impact test, also mitigates staff's craft work in this way
Labor intensity when making.
(2), the elastic modulus of concrete experimental rig first can be with by being used cooperatively for mechanism for testing and positioning mechanism
The positioning to concrete test block is rapidly completed, data accuracy when concrete test block test can be improved in this way, then can also
The taking-up to steel ball is enough rapidly completed and installs again, can sufficiently improve the working efficiency of concrete impact test in this way, finally
The height of mechanism for testing can also be adjusted, mechanism for testing can be facilitated more effectively to carry out impact test to concrete in this way, together
When, also further increase the practicability of concrete test device.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the front view of the utility model structure；
Fig. 3 is the enlarged drawing of structure at A in the utility model Fig. 1；
Fig. 4 is the front section view of the utility model positioning mechanism and concrete test block connection structure.
In figure: 1 testing stand, 2 first cylinders, 3 First piston bars, 4 mechanism for testing, 401 cranes, 402 inner sleeves, 403
Outer sleeve, 404 handles, 405 second cylinders, 406 second piston bars, 407 baffles, 408 steel balls, 5 positioning mechanisms, 501 stabilizing brackets,
502 support plates, 503 bolts, 504 fixture blocks, 505 easy rotating parts, 6 concrete test blocks, 7 backing plates, 8 adapt to piece.
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.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the utility model, and should not be understood as limiting the present invention.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of elastic modulus of concrete experimental rig, including
Testing stand 1, the first cylinder 2, First piston bar 3, mechanism for testing 4, positioning mechanism 5, concrete test block 6, backing plate 7 and adaptation piece 8,
The bottom end of two the first cylinders 2 is fixedly connected with the both ends of 1 top surface of testing stand, and the bottom end of two First piston bars 3 is installed on two
The top of a first cylinder 2, the bottom end at 4 both ends of mechanism for testing is fixedly connected there are two fixed link, and the bottom of two fixed links
It is fixedly connected with the top of two First piston bars 3, bottom end and the top surface at 1 center of testing stand of two positioning mechanisms 5 are fixed
Connection, the inside grafting with two one end close to each other of positioning mechanism 5 respectively of the both ends of concrete test block 6, the top surface of backing plate 7 with
Bottom end overlap joint at 5 center of positioning mechanism, and overlapped at the center of the bottom surface of backing plate 7 and 6 top surface of concrete test block, adapt to piece 8
The top surface at both ends is fixedly connected with the bottom surface at 6 center of concrete test block.
Mechanism for testing 4 is living including crane 401, inner sleeve 402, outer sleeve 403, handle 404, the second cylinder 405, second
The bottom of stopper rod 406, baffle 407 and steel ball 408,401 both ends of crane is fixedly connected with the top of two First piston bars 3, interior
The top of sleeve 402 is embedded at the center of crane 401, and the inner cavity on 403 top of outer sleeve is set in 402 bottom end of inner sleeve
The outer surface of outer surface, the inner wall and inner sleeve 402 of outer sleeve 403 is slidably connected, two handles 404 one end close to each other
It is fixedly connected respectively at the top of 403 two sides of outer sleeve, the bottom and 401 both ends inner cavity of crane of two the second cylinders 405
Bottom surface be fixedly connected, one end that two second piston bars 406 are located remotely from each other is respectively arranged in two the second cylinders 405 and mutually leans on
Close one end, one end that two baffles 407 are located remotely from each other through inner sleeve 402 two sides and with two second piston bars 406
One end close to each other is fixedly connected, and steel ball 408 is set in the inner cavity on 402 top of inner sleeve, the bottom of steel ball 408 with two
The top surface of baffle 407 overlaps.
Positioning mechanism 5 includes stabilizing bracket 501, support plate 502, bolt 503, fixture block 504 and easy rotating part 505, and two firm
The bottom end of frame 501 is fixedly connected with the two sides of top surface at 1 center of testing stand, one end difference that two support plates 502 are located remotely from each other
It is fixedly connected with the bottom of two one sides close to each other of stabilizing bracket 501, the bottom end of two bolts 503 is mutual through stabilizing bracket 501
Close to the top surface of one end, the top surface of two stabilizing brackets 501 is opened up there are two threaded hole, and the bottom end of two bolts 503 and firm
The inner thread connection of two threaded holes, the top surface of two fixture blocks 504 are fixedly connected with the bottom end of two bolts 503 on frame 501,
The bottom of two easy rotating parts 505 is fixedly connected with the top of two bolts 503.
In use, the both ends of concrete test block 6 are overlapped on two 502 top surfaces of support plate first, two spiral shells are then twisted
Bolt 503, two bolts 503 just will drive two fixture blocks 504 and move downward after tightening, when the bottom surface of two fixture blocks 504 and mixed
When the top surface overlap joint at 6 both ends of solidifying soil test block, concrete test block 6 thus can be sufficiently fixed, two the second gas are then controlled
Cylinder 405 starts simultaneously, the starting of two the second cylinders 4005 can drive two second piston bars 406 and baffle 407 simultaneously to
Opposite direction is mobile, when the inner cavity of place's inner sleeve 402 is moved in two baffles 407 one end close to each other completely, such steel
Ball 408 will fall automatically, and after the bottom of steel ball 408 is hit with the top surface of gasket 7, this completes the surveys of first time
Examination pulls two handles 404 then up, and two handles 404 can drive outer sleeve 403 to move upwards, when steel ball 408 is complete
When the full inner cavity for leaking out outer sleeve 403, this makes it possible to the taking-ups completed to steel ball 408, then just according to this method repeatedly
Carry out 408 impact test of steel ball, it will be able to which fast and easy completes the detection to 6 impact test of concrete test block.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of elastic modulus of concrete experimental rig, including testing stand (1), the first cylinder (2), First piston bar (3), test machine
Structure (4), positioning mechanism (5), concrete test block (6), backing plate (7) and adaptation piece (8), it is characterised in that: two first gas
The bottom end of cylinder (2) is fixedly connected with the both ends of testing stand (1) top surface, and the bottom end of two First piston bars (3) is installed on two
The top of a first cylinder (2), the bottom end at mechanism for testing (4) both ends is fixedly connected there are two fixed link, and two fixations
The bottom of bar is fixedly connected with the top of two First piston bars (3), the bottom end of two positioning mechanisms (5) and testing stand
(1) top surface at center is fixedly connected, and the both ends of the concrete test block (6) are close to each other with two positioning mechanisms (5) respectively
The inside grafting of one end, the top surface of the backing plate (7) and the bottom end at positioning mechanism (5) center overlap, and the bottom surface of backing plate (7)
With at the center of concrete test block (6) top surface overlap, it is described adapt to piece (8) both ends top surface with concrete test block (6) center
The bottom surface at place is fixedly connected.
2. a kind of elastic modulus of concrete experimental rig according to claim 1, it is characterised in that: the mechanism for testing (4)
Including crane (401), inner sleeve (402), outer sleeve (403), handle (404), the second cylinder (405), second piston bar
(406), baffle (407) and steel ball (408), the bottom at crane (401) both ends and the top of two First piston bars (3) are solid
Fixed connection, the top of the inner sleeve (402) are embedded at the center of crane (401), outer sleeve (403) top it is interior
Chamber is set in the outer surface of inner sleeve (402) bottom end, two handles (404) one end close to each other respectively with outer sleeve
(403) it is fixedly connected at the top of two sides, bottom and crane (401) both ends inner cavity of two second cylinders (405)
Bottom surface is fixedly connected, and one end that two second piston bars (406) are located remotely from each other is respectively arranged in two the second cylinders (405)
One end close to each other, one end that two baffles (407) are located remotely from each other through inner sleeve (402) two sides and with two
Second piston bar (406) one end close to each other is fixedly connected, and the steel ball (408) is set in the interior of inner sleeve (402) top
Chamber.
3. a kind of elastic modulus of concrete experimental rig according to claim 2, it is characterised in that: the positioning mechanism (5)
Including stabilizing bracket (501), support plate (502), bolt (503), fixture block (504) and easy rotating part (505), two stabilizing brackets
(501) bottom end is fixedly connected with the two sides of top surface at testing stand (1) center, what two support plates (502) were located remotely from each other
One end is fixedly connected with the bottom of two stabilizing bracket (501) one sides close to each other respectively, and the bottom end of two bolts (503) is passed through
Wear the top surface of stabilizing bracket (501) one end close to each other, the top surface of two fixture blocks (504) and the bottom end of two bolts (503)
It is fixedly connected, the bottom of two easy rotating parts (505) is fixedly connected with the top of two bolts (503).
4. a kind of elastic modulus of concrete experimental rig according to claim 3, it is characterised in that: the outer sleeve (403)
The outer surface of inner wall and inner sleeve (402) be slidably connected.
5. a kind of elastic modulus of concrete experimental rig according to claim 4, it is characterised in that: two stabilizing brackets
(501) top surface is opened up there are two threaded hole, and the bottom end of two bolts (503) and stabilizing bracket (501) upper two threaded holes
Inner thread connection.
6. a kind of elastic modulus of concrete experimental rig according to claim 5, it is characterised in that: the steel ball (408)
Bottom and the top surface of two baffles (407) overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003781.8U CN209356334U (en) | 2019-01-02 | 2019-01-02 | A kind of elastic modulus of concrete experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003781.8U CN209356334U (en) | 2019-01-02 | 2019-01-02 | A kind of elastic modulus of concrete experimental rig |
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| Publication Number | Publication Date |
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| CN209356334U true CN209356334U (en) | 2019-09-06 |
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| CN201920003781.8U Active CN209356334U (en) | 2019-01-02 | 2019-01-02 | A kind of elastic modulus of concrete experimental rig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289389A (en) * | 2020-03-27 | 2020-06-16 | 长安大学 | Concrete impact resistance test device |
| CN111307577A (en) * | 2020-04-20 | 2020-06-19 | 太原理工大学 | Concrete material impact performance testing device |
| CN111562183A (en) * | 2020-04-02 | 2020-08-21 | 马鞍山市金韩防水保温工程有限责任公司 | Outer wall insulation board shock resistance check out test set |
| CN111721631A (en) * | 2020-05-11 | 2020-09-29 | 莆田学院 | Device and method for testing ultimate bearing capacity of concrete filled steel tube axial compression short column |
| CN112067423A (en) * | 2020-08-22 | 2020-12-11 | 李美元 | Concrete impact resistance test device |
-
2019
- 2019-01-02 CN CN201920003781.8U patent/CN209356334U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289389A (en) * | 2020-03-27 | 2020-06-16 | 长安大学 | Concrete impact resistance test device |
| CN111562183A (en) * | 2020-04-02 | 2020-08-21 | 马鞍山市金韩防水保温工程有限责任公司 | Outer wall insulation board shock resistance check out test set |
| CN111307577A (en) * | 2020-04-20 | 2020-06-19 | 太原理工大学 | Concrete material impact performance testing device |
| CN111721631A (en) * | 2020-05-11 | 2020-09-29 | 莆田学院 | Device and method for testing ultimate bearing capacity of concrete filled steel tube axial compression short column |
| CN111721631B (en) * | 2020-05-11 | 2022-04-19 | 莆田学院 | Device and method for testing ultimate bearing capacity of concrete filled steel tube axial compression short column |
| CN112067423A (en) * | 2020-08-22 | 2020-12-11 | 李美元 | Concrete impact resistance test device |
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