CN211590580U - Compound vibrating device of concrete test block - Google Patents
Compound vibrating device of concrete test block Download PDFInfo
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- CN211590580U CN211590580U CN201922037951.7U CN201922037951U CN211590580U CN 211590580 U CN211590580 U CN 211590580U CN 201922037951 U CN201922037951 U CN 201922037951U CN 211590580 U CN211590580 U CN 211590580U
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Abstract
A concrete test block composite vibration device is used for vibrating a small concrete sample and comprises an ultrasonic vibration box, a vibration device, an ultrasonic vibrator and an ultrasonic generator, and is characterized in that the ultrasonic vibration box comprises an inner layer box body and an outer layer box body, the inner layer box body is arranged in the outer layer box body, the ultrasonic vibrator is arranged between the inner layer box body and the outer layer box body and is connected with the ultrasonic generator through a lead, slots are formed in the inner wall of the inner layer box body at equal intervals, and a partition plate is inserted into the slots; the vibrating device consists of a vibrating bar and a vibrating motor, and the vibrating bar is connected with an output shaft of the vibrating motor through a thin iron wire in a winding manner. The utility model discloses can eliminate the bubble more effectively, improve the closely knit degree of sample, vibration power is high, and easy operation can effectively improve follow-up relevant experimental degree of accuracy and efficiency.
Description
Technical Field
The utility model relates to a concrete test field especially relates to a concrete test block composite vibration device.
Background
The concrete is widely applied to industrial and civil buildings, bridges and tunnels and water conservancy construction engineering. According to the concrete strength test and evaluation Standard (GB/T50107-2010), the concrete strength grade is determined according to the cube compression strength standard value. A cubic test piece with the side length of 150mm below the latest standard C60 strength in China is used as a standard size test piece of the compressive strength of concrete. During the pouring process of the concrete sample, air is mixed into the concrete sample, so that air holes of the test block can be formed, and the strength of the material is affected. Three vibration modes, namely an internal vibrator, an external vibrator and a surface vibrator, are commonly adopted in the construction process of a large concrete structure so as to achieve the purposes of eliminating bubbles and enhancing compactness. However, the vibration equipment used in construction is large in size, is not suitable for small concrete test blocks, and the single vibration mode has single function and is not obvious in function of effectively eliminating bubbles. Therefore, in order to improve the test efficiency and ensure the effectiveness of the subsequent test results, a concrete test block composite vibration device needs to be designed.
Disclosure of Invention
Contain a large amount of bubbles to concrete test block among the prior art, owe closely knit etc. and be unfavorable for experimental accurate efficient problem, the utility model aims at providing a concrete test block composite vibration device.
The utility model provides a technical scheme that its technical problem adopted is:
a concrete test block composite vibration device comprises an ultrasonic vibration box, a vibration device, an ultrasonic vibrator and an ultrasonic generator, and is characterized in that the ultrasonic vibration box comprises an inner layer box body and an outer layer box body, the inner layer box body is arranged in the outer layer box body, the ultrasonic vibrator is arranged between the inner layer box body and the outer layer box body and is connected with the ultrasonic generator through a wire, slots are formed in the inner wall of the inner layer box body at equal intervals, and a partition plate is inserted into the slots; the vibrating device consists of a vibrating bar and a vibrating motor, and the vibrating bar is connected with an output shaft of the vibrating motor through a thin iron wire in a winding manner.
Preferably, the inner layer box body and the outer layer box body are made of 304 steel plates with the thickness of 4mm, slots in the inner surface of the inner layer box body are as high as the box bodies, the width of the inner layer box body is 2mm, the depth of the inner layer box body is 2mm, and the partition plates are made of 304 steel plates with the thickness of 2mm and can be embedded into the slots to partition and divide the space of the box bodies.
Preferably, the model of the ultrasonic vibrator is 40kHz/50W, and the model of the ultrasonic generator is THD-M1.
Preferably, the vibration motor is a DDYS01SKS magnetic suspension sound wave vibration motor, and the rod body is a 304 stainless steel column with the diameter of 5mm and the length of 15 cm.
The utility model discloses a vibrting spear has realized the compound mode of vibrating that internal vibration and external vibration combined together with ultrasonic vibration case, but the bubble is eliminated to the efficient, the closely knit degree of improvement test block. The setting of slot and baffle in the ultrasonic vibration incasement can realize that a plurality of test blocks vibrate simultaneously, and the setting up of baffle makes zonulae occludens between the test block mould strengthened being connected of test block and vibration case simultaneously, has guaranteed effective vibration efficiency. The utility model discloses the small and exquisite vibration that can be used to small-size test piece of structure has improved test efficiency and precision effectively.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic vertical section of the present invention.
Fig. 2 is a schematic plan view of an ultrasonic vibration box according to the present invention.
In the figure, 1, an ultrasonic vibration box, 2, an outer box body, 3, an inner box body, 4, an ultrasonic vibrator, 5, a vibration motor, 6, a vibration motor output shaft, 7, a vibration rod, 8, concrete, 9, a test piece mold, 10, a lead, 11, an ultrasonic generator, 12, a slot and 13 are provided with a partition plate.
Detailed Description
The utility model provides a compound vibrating device of concrete test block, includes ultrasonic vibration case 1, vibrating device, ultrasonic vibration case 1 includes inlayer box 3, outer box 2, leaves the space between inlayer box 3 and the outer box 2.
The ultrasonic vibration head of the ultrasonic vibrator 4 is tightly fixed between the outer side wall of the inner-layer box body 3 and the inner side wall of the outer-layer box body 2 through glue, and the ultrasonic vibrator 4 is connected with an ultrasonic generator 11 through a lead 10.
The bottom of the inner box body 3 is closely connected with the bottom of the outer box body 2, a plurality of slots 12 are formed in two inner side walls of the inner box body 3 at equal intervals, the distance between every two adjacent slots is 1cm, and the partition plates 13 are inserted into the slots 12 to fix the partition plates 13.
The vibrating device comprises a vibrating motor 5 and a vibrating rod 7, wherein the vibrating rod 7 is connected with an output shaft 6 of the vibrating motor 5 through a thin iron wire in a winding manner.
Preferably, the inner-layer box body 3 and the outer-layer box body 2 are both made of 304 stainless steel plates with the thickness of 4mm, the slots are communicated from top to bottom along the inner wall of the inner-layer box body 3, the width of each slot is 2mm, the depth of each slot is 2mm, the partition plates 13 are made of 304 stainless steel plates with the thickness of 2mm, the partition plates 13 are inserted into the slots 12, and the space of the inner-layer box body 3 is partitioned.
Preferably, the model of the ultrasonic vibrator 4 is 40kHz/50W, and the model of the ultrasonic generator 11 is THD-M1.
Preferably, the vibration motor 5 is a DDYS01SKS magnetic suspension sound wave vibration motor, and the rod 7 is a 304 stainless steel column with a diameter of 5mm and a length of 15 cm.
The method comprises the following specific operation steps:
pouring the uniformly stirred concrete 8 into a mould 9, and placing the mould 9 in the ultrasonic vibration box 1 in a manner of clinging to the wall of the inner-layer box body 3;
inserting a partition plate 13 between the test block molds 8 to ensure that the molds 9 are tightly connected with the partition plate 13;
turning on the ultrasonic generator 11, and adjusting the vibration frequency to vibrate;
opening a switch of a vibrating motor 5, quickly inserting the vibrating rod into the concrete, wherein the inserting and vibrating time is about 15-20 s, and slowly pulling out the vibrating rod;
and fifthly, repeating the step 4, stopping vibrating when the concrete 8 does not sink obviously and no air bubbles appear, starting to spread, slowly pulling out the vibrating rod 7, and turning off the vibrating motor 5.
Closing the ultrasonic generator 11, taking out the partition plate 13 and the test block mold 9 in sequence, and putting the test block mold into a curing box for standard curing;
and the vibrating rod 7, the partition plate 13 and the inner layer box body 3 are cleaned, so that the next use is facilitated.
The above is an embodiment of the present invention, and its usage is not limited to the present invention, and modifications and replacements to the technology by those skilled in the art should be included in the protection scope of the present invention.
Claims (4)
1. A concrete test block composite vibration device comprises an ultrasonic vibration box, a vibration device, an ultrasonic vibrator and an ultrasonic generator, and is characterized in that the ultrasonic vibration box comprises an inner layer box body and an outer layer box body, the inner layer box body is arranged in the outer layer box body, the ultrasonic vibrator is arranged between the inner layer box body and the outer layer box body and is connected with the ultrasonic generator through a wire, slots are formed in the inner wall of the inner layer box body at equal intervals, and a partition plate is inserted into the slots; the vibrating device consists of a vibrating bar and a vibrating motor, and the vibrating bar is connected with an output shaft of the vibrating motor through a thin iron wire in a winding manner.
2. The composite vibration device for the concrete test block as claimed in claim 1, wherein: the inner layer box body and the outer layer box body are both made of 304 stainless steel plates with the thickness of 4mm, the width of each slot is 2mm, the depth of each slot is 2mm, and the partition plates are made of 304 stainless steel plates with the thickness of 2 mm.
3. The composite vibration device for the concrete test block as claimed in claim 1, wherein: the model of the ultrasonic vibrator is 40kHz/50W, and the model of the ultrasonic generator is THD-M1.
4. The composite vibration device for the concrete test block as claimed in claim 1, wherein: the vibration motor is a DDYS01SKS magnetic suspension sound wave vibration motor, and the vibrating rod is a 304 stainless steel column with the diameter of 5mm and the length of 15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037951.7U CN211590580U (en) | 2019-11-22 | 2019-11-22 | Compound vibrating device of concrete test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037951.7U CN211590580U (en) | 2019-11-22 | 2019-11-22 | Compound vibrating device of concrete test block |
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| Publication Number | Publication Date |
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| CN211590580U true CN211590580U (en) | 2020-09-29 |
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| CN201922037951.7U Active CN211590580U (en) | 2019-11-22 | 2019-11-22 | Compound vibrating device of concrete test block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686729A (en) * | 2021-07-16 | 2021-11-23 | 太原市玉磊预拌混凝土有限公司 | Variable-pressure internal vibration compaction packing density measuring device |
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2019
- 2019-11-22 CN CN201922037951.7U patent/CN211590580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686729A (en) * | 2021-07-16 | 2021-11-23 | 太原市玉磊预拌混凝土有限公司 | Variable-pressure internal vibration compaction packing density measuring device |
| CN113686729B (en) * | 2021-07-16 | 2024-01-30 | 太原市玉磊预拌混凝土有限公司 | Variable pressure internal vibration close packing density measuring method |
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