CN208902549U - A kind of device detecting elastic modulus of concrete performance - Google Patents
A kind of device detecting elastic modulus of concrete performance Download PDFInfo
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- CN208902549U CN208902549U CN201821441367.7U CN201821441367U CN208902549U CN 208902549 U CN208902549 U CN 208902549U CN 201821441367 U CN201821441367 U CN 201821441367U CN 208902549 U CN208902549 U CN 208902549U
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- guide rod
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- elastic modulus
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Abstract
The utility model relates to a kind of devices for detecting elastic modulus of concrete performance, including percussion mechanism and make the percussion mechanism in the vertical direction to the transmission device to move reciprocatingly, the drive rod includes guide rod, jump bit, the guide rod is hollow structure, the guide rod includes piston, the piston shaft for driving piston to move reciprocatingly in hollow structure is connect with the piston, intake-outlet is equipped with close to guide rod bottom positioned at the guide rod side wall, the guide rod bottom is equipped with the weight that weight sensor continuously adjusts the guide rod by being added or reducing content liquid into the guide rod, so as to adjust the shock dynamics of the jump bit, the present apparatus is set to be suitable for the shock-testing of test experiments of different nature；The height of drop of the jump bit is continuously adjusted by the cooperation of reciprocal unit one and reciprocal unit two, so that test parameter rationally be arranged, guarantees test effect and efficiency；Avoid burst dress is fast from influencing test result by the locking mechanism.
Description
Technical field
The utility model belongs to testing concrete performance field more particularly to a kind of dress for detecting elastic modulus of concrete performance
It sets.
Background technique
American concrete association ACI (American is generallyd use to elastic modulus of concrete performance detection at present
Concrete Institute) formulate professional standard.Continuous freely falling body is carried out to standard concrete style using weight drop
Bump test, the ACI544 committee, the U.S. are recommended to use about the impact energy calculating of concrete: (W is impact to W=n*m*g*H
Energy；N is number of shocks；H is weight height of drop；M is weight quality；G is acceleration of gravity).It is domestic according to this specification
The corresponding test measurement instrument of outer many producer's outputs, as China Chengde is weighed the XJL- of logical testing inspection instrument Co., Ltd
300C drop weight test device, but universal range is not wide.In addition, consider in the factors such as cost, many personal, R&D institutions and
Unit in charge of construction is still using self-control testing equipment.
Chinese CN201320012941.8 patent discloses a kind of elastic modulus of concrete performance testing device.The concrete
Testing device for anti-impact property includes bottom plate, and bottom plate two sides are respectively equipped with two columns, are fixed with and drop hammer on described two columns
Pedestal, the pedestal that drops hammer is equipped with central through hole, and the central through hole is interior through dropping hammer, and described drop hammer is connected with drop hammer lifting
Mechanism；The center of the bottom plate is equipped with horizontal positioned concrete sample, and the center of the concrete sample is equipped with to be fallen with described
The corresponding steel ball in hammer center.The height of drop of the test device weight is fixed, and cannot be improved by reasonably adjusting the height of weight
Experiment effect and conventional efficient.
A kind of cement-based gelling material of Chinese CN201320047805.2 patent and elastic modulus of concrete performance test dress
It sets, it is characterised in that: it includes percussion mechanism and transmission device；The percussion mechanism include drive rod, the fixed bracket of drive rod,
Force transfer ball and the fixed device of test test block for testing test block for fixation；The fixed device of test test block is located at the fixed bracket of drive rod
Lower section, middle is equipped with hole on the upper surface cover board of the fixed device of test test block, is equipped with force transfer ball baffle at hole；Power transmission
Ball is located in the hole on the fixed device cover board of test test block (force transfer ball is placed in test test block)；On the fixed bracket of drive rod
Portion is equipped with transmission rod sleeve, and transmission rod sleeve is located at the surface of hole on the fixed device cover board of test test block；The bottom of drive rod
Portion is equipped with jump bit, and the upper end of drive rod is inserted in transmission rod sleeve, and jump bit is located at the surface of force transfer ball and connects therewith
Touching；The drive rod with make drive rod make the transmission device to pump to be connected.The device accurately controls jump bit
Frequency of impact, and obtain test data it is accurate.The device weight quality is fixed, and same device is not applied for heterogeneity
Test test block, narrow scope of application.
Although instrument producer can rapidly and accurately measure the shock resistance of concrete according to the measuring instrument of standard production
Performance, but it is insufficient to there are several points: first is that weight quality is fixed, same device is not applied for test test block of different nature,
Narrow scope of application；Second is that the height of drop of weight is fixed, cannot be improved by reasonably adjusting the height of weight experiment effect and
Conventional efficient；Third is that weight does not have brake setting in dropping process, if appearance transmission ball position has the unexpected situations such as deviation
The error that secondary impact can then occur, seriously affects the accuracy of testing result.
Summary of the invention
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of detection elastic modulus of concrete performance
Device, the weight of the guide rod is continuously adjusted by the way that content liquid is added or reduced into the guide rod, so as to adjust described
The shock dynamics of jump bit makes the present apparatus be suitable for the shock-testing of test experiments of different nature.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of device detecting elastic modulus of concrete performance, including percussion mechanism and make the percussion mechanism in vertical direction
On to the transmission device to move reciprocatingly, the percussion mechanism includes drive rod, the fixed bracket of drive rod, drive ball, is located at institute
State the fixed device of test test block immediately below drive rod for fixed test test block, the upper surface of the fixed device of test test block
It is located at the drive rod on cover board and is arranged right below the hole for placing the drive ball；The drive rod includes and the biography
Guide rod that the fixed bracket of lever is in contact, the jump bit that the guide rod bottom is arranged in, the guide rod is hollow structure, described to lead
Bar include piston, connect with the piston piston shaft for driving piston to move reciprocatingly in hollow structure, be located at it is described
Guide rod side wall is equipped with intake-outlet close to guide rod bottom, the guide rod bottom is equipped with weight sensor.
The working principle of a kind of device detecting elastic modulus of concrete performance described in the utility model are as follows: be placed on test block
In the fixed device of the test test block, drive ball is placed in described hole, the guide rod is hollow structure, is existed by piston
It is moved in hollow structure and is added or reduces the weight that content liquid continuously adjusts the guide rod into the guide rod, so as to adjust institute
The shock dynamics for stating jump bit can directly read the liquid weight in the guide rod by the weight sensor, make weight
Adjustment process is more convenient, and device described in the utility model is suitable for the test that test block of different nature carries out impact test.
The transmission device includes the reciprocal unit one to move reciprocatingly in the vertical direction, is mounted on the cylinder
The reciprocal unit two to move reciprocatingly in horizontal direction, the transmission side lever being arranged on the drive rod side wall, the reciprocal list
Member two is for holding up the transmission side lever.
The reciprocal unit one and reciprocal unit two are cylinder, reciprocal unit one band during raising and lowering
It moves the reciprocal unit two to move up and down, the reciprocal unit two is horizontally disposed to play the transmission side lever bracket, described reciprocal
The reciprocal unit two is shunk after reaching setting position under the drive of unit one, and the drive rod is made to fall；Completion is successively hit
Afterwards, the contraction of reciprocal unit one holds up reciprocal unit two again the transmission side lever, successively back and forth hits to test block
It hits；The height of drop of the jump bit is continuously adjusted by the cooperation of reciprocal unit one and reciprocal unit two, to rationally be arranged
Test parameter guarantees test effect and efficiency.
The elastic modulus of concrete experimental provision further includes the locking mechanism for preventing the drive rod movement, the lock
Crash structure includes symmetrically arranged locked bracket in horizontal direction, the mounting base that the two locked bracket abutting ends are arranged in, sets
The iron core for being wound with coil in the mounting base, the push rod being coupled with the iron core are set, the push rod and institute are mounted on
The permanent magnet for stating iron core abutting end is mounted on the fixture of the push rod other end.
The wound around coil on the iron core, iron core generates repulsive force with magnetic force and the permanent magnet after coil is powered, and makes
The push rod travels forward, and the fixture clamps the guide rod under the promotion of the push rod, and the guide rod is prevented to transport downwards
Dynamic, can be avoided emergency situations by the locking mechanism influences the test result of test block, as the position of drive ball or guide rod is sent out
Raw certain offset, such situation will lead to secondary impact, seriously affect test result, can be effective by the locking mechanism
Reduce the generation of such error.
The elastic modulus of concrete experimental provision further includes the controller for controlling the transmission device and locking mechanism
And power supply.
The fixture is equipped with improved mat.
The drive ball baffle for fixing the drive ball is equipped at described hole.
The transmission device includes that the fixed frame upper of drive rod is equipped with transmission rod sleeve for ajusting the drive rod,
The transmission rod sleeve is located at right above described hole.
Compared with prior art, the utility model has the beneficial effects that
(1) guide rod described in the utility model is that hollow structure is continuous by being added into the guide rod or reducing content liquid
The weight of the guide rod is adjusted, so as to adjust the shock dynamics of the jump bit, the present apparatus is made to be suitable for heterogeneity test specimen
The shock-testing of test experiments；
(2) the utility model continuously adjusts the whereabouts of the jump bit by the cooperation of reciprocal unit one and reciprocal unit two
Highly, so that test parameter rationally be arranged, guarantee test effect and efficiency；
(3) the utility model, which can be avoided emergency situations by the locking mechanism, influences the test result of test block, such as passes
Certain offset occurs for the position of dynamic ball or guide rod, and such situation will lead to secondary impact, seriously affect test result, pass through institute
The generation of such error can be effectively reduced by stating locking mechanism；
(4) apparatus structure novelty, full-featured, the scope of application of detection elastic modulus of concrete performance described in the utility model
It is relatively wide, it is suitble to promote and apply.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of device for detecting elastic modulus of concrete performance described in the utility model；
Fig. 2 is locking mechanism structural schematic diagram described in the utility model；
In figure: 1, drive rod；2, the fixed bracket of drive rod；3, drive ball；4, the fixed device of test test block；5, cover board；6,
Guide rod；7, jump bit；8, piston；9, piston shaft；10, intake-outlet；11, weight sensor；12, reciprocal unit one；13, reciprocal
Unit two；14, it is driven side lever；15, bracket is locked；16, mounting base；17, iron core；18, push rod；19, permanent magnet；20, fixture；
21, improved mat；22, it is driven rod sleeve.
Specific embodiment
The technical solution of the utility model will be clearly and completely described below, it is clear that described embodiment is only
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained under the conditions of not making creative work, belongs to the utility model
The range of protection.
Embodiment 1
The present embodiment provides a kind of device for detecting elastic modulus of concrete performance, including percussion mechanism and make impact dress
Set in the vertical direction to the transmission device to move reciprocatingly, the percussion mechanism include drive rod 1, the fixed bracket 2 of drive rod,
Device 4, the test test block are fixed in drive ball 3, the test test block immediately below the drive rod 1 for fixed test test block
It is located at the drive rod 1 on the upper surface cover board 5 of fixed device 4 and is arranged right below the hole for placing the drive ball 3；Institute
Stating drive rod 1 includes the guide rod 6 being in contact with the fixed bracket 2 of the drive rod, the jump bit 7 that 6 bottom of guide rod is arranged in,
The guide rod 6 is hollow structure, and the guide rod 6 is connect including piston 8, with the piston 8 for driving piston 8 in hollow structure
In move reciprocatingly piston shaft 9, be located at 6 side wall of guide rod close to 6 bottom of guide rod be equipped with intake-outlet 10, the guide rod 6
Bottom is equipped with weight sensor 11.
The transmission device includes the reciprocal unit 1 to move reciprocatingly in the vertical direction, is mounted on the cylinder
Reciprocal unit 2 13 that portion moves reciprocatingly in the horizontal direction, the transmission side lever 14 being arranged on 1 side wall of drive rod, institute
Reciprocal unit 2 13 is stated for holding up the transmission side lever 14.
The reciprocal unit 1 and reciprocal unit 2 13 are cylinder.
The drive ball baffle for fixing the drive ball 3 is equipped at described hole.
The transmission device includes fixed 2 top of bracket of drive rod equipped with the transmission rod set for ajusting the drive rod 1
Cylinder 22, the transmission rod sleeve 22 are located at right above described hole.
The present embodiment sets the weight of the jump bit 7 according to the property of test block for after the completion of device, test block installation, leads to
The piston 8 in guide rod 6 of overdriving increases or decreases the weight that the content liquid in the guide rod 6 continuously adjusts the guide rod 6, from
And the shock dynamics of the jump bit 7 is adjusted, described in the cooperation adjustment by the reciprocal unit 1 and reciprocal unit 2 13
The height of jump bit 7, the height by reasonably adjusting jump bit 7 improve experiment effect and conventional efficient.
Embodiment 2
The present embodiment provides a kind of devices for detecting elastic modulus of concrete performance for the present embodiment, compared with Example 1, different
Place is that the elastic modulus of concrete experimental provision further includes the locking mechanism for preventing the drive rod 1 from moving, described
Locking mechanism includes symmetrically arranged locked bracket 15 in horizontal direction, the installation that two locked 15 abutting ends of bracket are arranged in
The iron core 17 that coil is wound in the mounting base 16, the push rod 18 being coupled with the iron core 17, installation is arranged in seat 16
In the permanent magnet 19 of the push rod 18 and 17 abutting end of iron core, it is mounted on the fixture 20 of 18 other end of push rod.
The elastic modulus of concrete experimental provision further includes the controller for controlling the transmission device and locking mechanism.
The fixture 20 is equipped with improved mat 21.
When the iron core 17 is powered, iron core 17 generates repulsion with the permanent magnet 19 and the push rod 18 is driven to travel forward,
To make fixture 20 clamp the guide rod 6, prevents it from moving downward, prevent drive ball 3,1 positional shift of drive rod from causing to measure
The generation of error.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of device for detecting elastic modulus of concrete performance, which is characterized in that including percussion mechanism and make the percussion mechanism
In the vertical direction to the transmission device to move reciprocatingly, the percussion mechanism includes drive rod (1), the fixed bracket of drive rod
(2), drive ball (3), the test test block being located at immediately below the drive rod (1) for fixed test test block are fixed device (4), institute
State be located on the upper surface cover board (5) of test test block fixed device (4) drive rod (1) be arranged right below it is described for placing
The hole of drive ball (3)；The drive rod (1) includes the guide rod (6) being in contact with the drive rod fixed bracket (2), setting
Jump bit (7) in the guide rod (6) bottom, the guide rod (6) be hollow structure, the guide rod (6) include piston (8), with
Piston shaft (9) of the piston (8) connection for driving piston (8) to move reciprocatingly in hollow structure is located at the guide rod
(6) close to guide rod (6) bottom is equipped with intake-outlet (10), the guide rod (6) bottom is equipped with weight sensor (11) on side wall.
2. a kind of device for detecting elastic modulus of concrete performance according to claim 1, which is characterized in that the transmission dress
Set including move reciprocatingly in the vertical direction reciprocal unit one (12), be mounted on the reciprocal unit one (12) in level
The reciprocal unit two (13) to move reciprocatingly on direction, the transmission side lever (14) being arranged on the drive rod (1) side wall, it is described
Reciprocal unit two (13) is for holding up the transmission side lever (14).
3. a kind of device for detecting elastic modulus of concrete performance according to claim 1, which is characterized in that the concrete
Impact test device further includes the locking mechanism for preventing the drive rod (1) from moving, and the locking mechanism includes level
Mounting base (16) in two locked bracket (15) abutting ends of symmetrically arranged locked bracket (15) on direction, setting, setting
The iron core (17) that coil is wound in the mounting base (16), the push rod (18) being coupled with the iron core (17), installation
Permanent magnet (19) in the push rod (18) and the iron core (17) abutting end, is mounted on the fixture of the push rod (18) other end
(20)。
4. a kind of device for detecting elastic modulus of concrete performance according to claim 3, which is characterized in that the concrete
Impact test device further includes the controller and power supply for controlling the transmission device and locking mechanism.
5. a kind of device for detecting elastic modulus of concrete performance according to claim 3, which is characterized in that the fixture
(20) improved mat (21) are equipped with.
6. a kind of device for detecting elastic modulus of concrete performance according to claim 1, which is characterized in that at described hole
Equipped with the drive ball baffle for fixing the drive ball (3).
7. a kind of device for detecting elastic modulus of concrete performance according to claim 1, which is characterized in that the transmission dress
It sets including fixed bracket (2) top of drive rod equipped with the transmission rod sleeve (22) for ajusting the drive rod (1), the transmission
Rod sleeve (22) is located at right above described hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821441367.7U CN208902549U (en) | 2018-09-04 | 2018-09-04 | A kind of device detecting elastic modulus of concrete performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821441367.7U CN208902549U (en) | 2018-09-04 | 2018-09-04 | A kind of device detecting elastic modulus of concrete performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902549U true CN208902549U (en) | 2019-05-24 |
Family
ID=66571390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821441367.7U Active CN208902549U (en) | 2018-09-04 | 2018-09-04 | A kind of device detecting elastic modulus of concrete performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902549U (en) |
-
2018
- 2018-09-04 CN CN201821441367.7U patent/CN208902549U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 550200 Eagle hill, Ma Jia Qiao, Longchang town, Xiuwen County, Guiyang, Guizhou Patentee after: Guizhou Dingsheng Building Materials Industry Co., Ltd. Address before: 315800 Xu Hu Village, Xin Jie street, Beilun District, Ningbo, Zhejiang Patentee before: Ningbo Xinsheng Building Materials Development Co., Ltd. |
|
| TR01 | Transfer of patent right |