CN117365118B - Magnetic coupling mechanical vibration composite vibration tamper - Google Patents
Magnetic coupling mechanical vibration composite vibration tamper Download PDFInfo
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- CN117365118B CN117365118B CN202311123941.XA CN202311123941A CN117365118B CN 117365118 B CN117365118 B CN 117365118B CN 202311123941 A CN202311123941 A CN 202311123941A CN 117365118 B CN117365118 B CN 117365118B
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 23
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 230000002035 prolonged effect Effects 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0067—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of vibrations
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a magnetic coupling mechanical vibration composite vibration tamper, which comprises a mechanical vibration part, wherein the mechanical vibration part comprises a tamper main body, a control device and a hose; the device also comprises a magnetic vibrating part; the magnetic vibrating part comprises a bearing, a magnetic ring, a first annular shell, an annular sheet and a remote controller, wherein the bearing is sleeved on the vibrating rod main body, two ends of the inner ring of the bearing are prolonged to form an upper prolonged section and a lower prolonged section respectively, the first annular shell is sleeved on the upper prolonged section, the magnetic ring is sleeved on the outer ring of the bearing, and the annular sheet is sleeved on the lower prolonged section; the magnetic ring comprises a second annular shell and magnet blocks, bayonets are formed in the second annular shell along the outer peripheral surface, and each magnet block is arranged in the second annular shell and extends out of the corresponding bayonets; the bearing outer ring is also sleeved with an annular driven gear; a power supply, an electronic controller and a motor are arranged in the first annular shell; the motor is connected with a driving gear, and the driving gear is exposed out of the first annular shell and meshed with the driven gear. The invention can make concrete fully vibrated.
Description
Technical Field
The invention relates to a magnetic coupling mechanical vibration composite vibration tamper.
Background
With the development of society, construction safety of construction sites is more and more important, and the quality of concrete construction is particularly important. Whether concrete is compact or not has a great influence on the quality of concrete construction, so that the concrete vibrating technology is widely focused nowadays.
When the concrete pouring construction is used, bubbles in the concrete must be removed, and at the moment, a vibrating rod is needed to stamp the concrete, so that the concrete is tightly combined, phenomena such as concrete honeycomb pitting surface and the like are eliminated, the strength of the concrete is improved, and the construction quality of the concrete is ensured.
The concrete vibrating bars are classified into an inner vibrating bar, an outer vibrating bar and a surface vibrating bar according to a method of transmitting vibration. The principle of vibration generated by the vibrating rod is classified into two types of eccentric type and planetary type.
Mechanical waves generated by mechanical vibration are transmitted to the periphery, in the forward wave transmission process, energy is reduced, the waves are gradually attenuated, the mechanical waves in the area far away from the vibration point are weaker, the vibration is insufficient, the small-range concrete is unevenly vibrated, the quality requirement is not met, and the vibration effect is not obvious.
Disclosure of Invention
In order to solve the problem that when the traditional vibrating rod vibrates, the vibration possibly causes uneven concrete vibration in a small range and causes that a small part of mass in concrete construction does not reach the standard, the invention provides the magnetic coupling mechanical vibration composite vibrating rod.
The invention relates to a magnetic coupling mechanical vibration composite vibration tamper which comprises a mechanical vibration part, wherein the mechanical vibration part comprises a tamper main body, a control device and a hose; a cable is arranged in the hose and is connected with the vibrating rod main body and the control device, and the control device comprises a power supply device for supplying power to the vibrating rod main body; the device also comprises a magnetic vibrating part;
the magnetic vibrating part comprises a bearing, a magnetic ring, a first annular shell, an annular sheet and a remote controller, wherein the bearing is sleeved and fixed on the vibrating rod main body, the two ends of the inner ring of the bearing are prolonged to form an upper prolonged section and a lower prolonged section respectively, the first annular shell is sleeved on the upper prolonged section, the magnetic ring is sleeved on the outer ring of the bearing, and the annular sheet is sleeved on the lower prolonged section; the first annular shell is internally provided with a power supply, an electronic controller connected with the power supply and a motor connected with the electronic controller, wherein the electronic controller is used for receiving signals sent by the remote controller and controlling the motor, a rotating shaft of the motor is connected with a driving gear through a coupler, and the driving gear is exposed out of the first annular shell; the magnetic ring comprises a second annular shell and a plurality of magnet blocks, a plurality of bayonets are formed in the second annular shell along the peripheral surface, and each magnet block is arranged in the second annular shell and extends out of the corresponding bayonets; the bearing outer ring is also sleeved with an annular driven gear; the driven gear is meshed with the driving gear.
Further, the bearing is fixed on the vibrating rod main body through two identical fixing pieces, each fixing piece comprises a lantern ring and a screw rod, and a penetrating screw hole is radially formed in the lantern ring; the two lantern rings are respectively sleeved on the vibrating rod main body and respectively abutted with the end parts of the upper extension section and the lower extension section of the bearing, and the bearing is fixed by using a screw rod to be screwed into the screw hole until the two lantern rings are abutted with the vibrating rod main body for fastening.
Further, the first annular shell comprises a first annular groove and a first annular cover covered on the first annular groove, a plurality of through holes are formed in the groove wall, close to the upper extension section, of the first annular groove, corresponding screw holes are formed in the upper extension section, and a screw penetrates through the through holes and is screwed into the screw holes to fix the first annular groove on the upper extension section; a plurality of mounting holes are formed in the groove wall of the first annular groove far away from the upper extension section, corresponding mounting holes are formed in the first annular cover, and the first annular groove is fixedly connected with the first annular cover through the steel wires penetrating through the corresponding mounting holes and being fastened.
Further, the motor is positioned on the bottom surface of the groove of the first annular groove, a penetrating strip-shaped hole is formed in the bottom of the first annular groove, and the driving gear penetrates through the strip-shaped hole to be exposed out of the first annular groove.
Further, a circle of convex ring is coaxially arranged on one side surface of the annular sheet, a plurality of through holes are radially formed in the convex ring, corresponding screw holes are formed in the lower extension section, and the annular sheet is fixed on the lower extension section by using screws to penetrate through the through holes and screw into the screw holes.
Further, the second annular shell comprises a second annular groove and a second annular cover covered on the second annular groove, a plurality of through holes are formed in the groove wall, close to the outer ring of the bearing, of the second annular groove, corresponding screw holes are formed in the outer ring, and the second annular groove is fixed on the outer ring by using screws to penetrate through the through holes and screw into the screw holes; a plurality of mounting holes are formed in the groove wall, far away from the outer ring, of the second annular groove, corresponding mounting holes are formed in the second annular cover, and the second annular groove is fixedly connected with the second annular cover through the steel wires penetrating through the corresponding mounting holes and being fastened.
Further, the second annular groove is equally divided into a plurality of compartments, each magnet block is arranged in each compartment and is in a halbach array, and the magnet blocks are made of injection molding ferrite.
Further, the mechanical vibrating part also comprises a knapsack, and the control device is positioned in the knapsack; the hose is a rubber tube, a handle is sleeved on the hose, and the handle is connected with the hose in a sliding manner; the vibrating rod main body is an eccentric vibrating rod.
The invention also provides a concrete vibrating method, which comprises the following steps:
1) Mixing the micrometer ferroferric oxide powder, water and cement to obtain a magnetizing mixture;
2) Mixing the magnetized mixture obtained in the step 1) with cement, sand and water, vibrating by using the magnetic coupling mechanical vibration composite vibration tamper, molding and curing to obtain the magnetic concrete.
Further, in the step 1), the mass ratio of the micrometer ferroferric oxide powder, water and cement is 3:1.2:1.5; in the step 2), the mass ratio of the magnetizing mixture, cement, sand and water is 2.6:1:1.2:0.4; the vibration is mechanical vibration and magnetic vibration performed intermittently.
The beneficial effects are that: according to the invention, under the condition that the quality of concrete is not influenced, proper magnetic substances are added into the concrete to be vibrated, and then the magnetic force coupling mechanical vibration composite vibration tamper of the invention is used for promoting the magnetic substances to move so as to stir the concrete, so that the mechanical vibration of the tamper main body is assisted, the concrete can be effectively and fully stirred, and the vibrated concrete meets the quality requirement; the magnetic coupling mechanical vibration composite vibration tamper disclosed by the invention is simple in material, low in cost, easy to manufacture, and strong in environmental friendliness, and the problem of secondary pollution is avoided.
Drawings
FIG. 1 is a schematic diagram of a magnetic coupling mechanical vibration composite vibration tamper of the present invention;
fig. 2 is a schematic view of a part of the structure of the magnetic vibrating part;
FIG. 3 is a schematic structural view of a first annular shell; (a) is a first annular groove; (b) a first annular cap;
FIG. 4 is a schematic top view of a first annular shell
FIG. 5 is a schematic structural view of a second annular shell; (a) is a second annular groove; (b) a second annular cap;
FIG. 6 is a schematic view of the structure of the second annular housing when mounted on a bearing;
FIG. 7 is a magnetic field layout of magnets in a magnetic ring;
FIG. 8 is a schematic structural view of a fastener;
in the figure, 1, a mechanical vibrating part; 11. a vibrating rod body; 12. a hose; 13. a control device; 14. a backpack; 15. a handle; 2. a magnetic vibrating part; 21. a first annular shell; 211. a first annular groove; 212. a first annular cover; 213. a through hole; 214. an electronic controller; 215. a power supply; 216. a motor; 217. a drive gear; 218. a bar-shaped hole; 22. a magnetic ring; 221. a second annular shell; 2211. a second annular groove; 2212. a second annular cover; 2213. a bayonet; 2214. a compartment; 222. a magnet block; 23. an annular sheet; 24. a fixing member; 241. a collar; 242. a screw; 25. a remote controller; 26. an outer ring; 27. an inner ring; 271. an upper extension; 272. a lower extension; 28. a driven gear.
Detailed Description
The technical scheme of the present invention is described in detail by examples below, but the scope of the present invention is not limited to the examples.
As shown in fig. 1-8, a magnetic coupling mechanical vibration composite vibration tamper comprises a mechanical vibration part 1, wherein the mechanical vibration part 1 comprises a tamper body 11, a control device 13 and a hose 12; the hose 12 is internally provided with a cable-connected vibrating rod main body 11 and a control device 13, the control device 13 comprises a power supply for supplying power to the vibrating rod main body 11, the components of the mechanical vibrating part 1 are all of the prior art, and the specific structure and the connection relation are all achieved by referring to the prior art.
The magnetic coupling mechanical vibration composite vibration tamper further comprises a magnetic vibration part 2. The magnetic vibrating portion 2 comprises a bearing, a magnetic ring 22, a first annular shell 21, an annular plate 23 and a remote controller 25, wherein the bearing is sleeved and fixed on the vibrating rod main body 11, two ends of an inner ring 27 of the bearing are extended to form an upper extension 271 and a lower extension 272 (as shown in fig. 6), the first annular shell 21 is sleeved on the upper extension 271, the magnetic ring 22 is sleeved on an outer ring 26 of the bearing, and the annular plate 23 is sleeved on the lower extension 272. As shown in fig. 4, a power supply 215, an electronic controller 214 connected with the power supply 215, and a motor 216 connected with the electronic controller 214 are installed in the first annular shell 21, the electronic controller 214 is used for receiving signals sent by the remote controller 25 and controlling the motor 216, a driving gear 217 is connected to a rotating shaft of the motor 216 through a coupling, and the driving gear 217 is exposed out of the first annular shell 21. The magnetic ring 22 includes a second annular shell 221 and a plurality of magnet blocks 222, a plurality of bayonets 2213 are formed on the second annular shell 221 along the outer peripheral surface, and each magnet block 222 is mounted in the second annular shell 221 and extends out of the corresponding bayonet 2213. An annular driven gear 28 (as shown in fig. 6) is further sleeved on the bearing outer ring 26, and the driven gear 28 is meshed with the driving gear 217. The ratio of the number of teeth of the driven gear 28 and the driving gear 217 is 4: and 5, realizing speed reduction transmission and providing larger torque output.
The power supply 215 is a dc battery, and the electronic controller 214 has a switching device (diode) and a voltage transformation device, the switching device is a diode, the voltage transformation device uses a variable resistor, and the connection relationship of the components is referred to in the prior art, so that the electronic controller 214 can control the rotation speed of the motor 216, thereby regulating and controlling the rotation speed of the bearing outer ring 26.
The bearing is fixed on the vibrating rod main body 11 through two fixing pieces 24, each fixing piece 24 is as shown in fig. 8 and comprises a lantern ring 241 and a screw 242, and a penetrating screw hole is radially arranged on the lantern ring 241; the two collars 241 are respectively sleeved on the vibrating rod main body 11 and respectively abutted against the ends of the upper extension 271 and the lower extension 272 of the bearing, and the screw 242 is screwed into the screw hole until the two collars are abutted against the vibrating rod main body 11 to fasten the bearing, so that the bearing is fixed and is ensured not to slide.
The first annular shell 21 is made of plastic material, and specifically as shown in fig. 3, includes a first annular groove 211 and a first annular cover 212 for covering the first annular groove 211, wherein a plurality of through holes are formed in a groove wall of the first annular groove 211, which is close to the upper extension 271, corresponding screw holes are formed in the upper extension 271, and screws penetrate through the through holes and are screwed into the screw holes to fix the first annular groove 211 on the upper extension 271; a plurality of mounting holes and a through hole 213 exposed by the electronic controller 214 are formed in the groove wall of the first annular groove 211 far from the upper extension 271, corresponding mounting holes are also formed in the first annular cover 212, and the first annular groove 211 and the first annular cover 212 are fixedly connected by penetrating and fastening steel wires through the corresponding mounting holes.
As shown in fig. 4, the motor 216 is located at the bottom surface of the first annular groove 211, a through bar-shaped hole 218 is formed at the bottom of the first annular groove 211, and the driving gear 217 is exposed out of the first annular groove 211 through the bar-shaped hole 218.
A circle of convex ring is coaxially arranged on the side surface, far away from the first annular shell, of the annular piece 23, the inner diameter of the convex ring is slightly larger than the diameter of the central hole of the annular piece 23, a plurality of through holes are radially formed in the convex ring, corresponding screw holes are formed in the lower extension 272, and the annular piece 23 is fixed on the lower extension 272 by using screws to penetrate through the through holes and screw into the screw holes.
As shown in fig. 5, the second annular housing 221 includes a second annular groove 2211 and a second annular cover 2212 for covering the second annular groove 2211, a plurality of through holes are formed in the groove wall of the second annular groove 2211 near the bearing outer ring 26, corresponding screw holes are formed in the outer ring 26, and the second annular groove 2211 is fixed on the outer ring 26 by using screws to pass through the through holes and screw into the screw holes; a plurality of mounting holes are formed in the groove wall of the second annular groove 2211 far from the outer ring 26, corresponding mounting holes are formed in the second annular cover 2212, and the second annular groove 2211 and the second annular cover 2212 are fixedly connected through steel wires penetrating through the corresponding mounting holes and being fastened.
The second annular groove 2211 is equally divided into a plurality of compartments 2214, each magnet block 222 is installed in each compartment 2214, the magnet blocks 222 are arranged in a halbach array (shown in fig. 7), and the magnet blocks 222 are made of injection-molded ferrite.
The mechanical vibrating part 1 further comprises a knapsack 14, the control device 13 is positioned in the knapsack 14, the hose 12 is a rubber tube, the hose 12 is sleeved with a handle 15, and the handle 15 is in sliding connection with the hose 12. The backpack 14 is carried on, and the position of the handle 15 on the hose 12 is adjusted to ensure that the vibrating direction can be conveniently changed. The vibrating rod body 11 is an eccentric vibrating rod.
The concrete vibrating process includes the following steps:
1) Mixing the micrometer ferroferric oxide powder, water and cement according to the mass ratio of 3:1.2:1.5, specifically, adding the micrometer ferroferric oxide powder and cement into a container, stirring and mixing, and then adding water for stirring again to obtain a magnetizing mixture.
2) Mixing the magnetized mixture obtained in the step 1) with cement, sand and water according to a mass ratio of 2.6:1:1.2:0.4, wherein the mechanical vibration and the intermittent magnetic vibration are performed by using the magnetic coupling mechanical vibration composite vibration tamper, the vibration frequency of the tamper body 11 is 6000 times/min or more, for example, 6000 times/min, 9000 times/min and 12000 times/min, and the rotation speed of the magnetic ring 22 is 800 revolutions/min or more, for example, 800 revolutions/min, 1000 revolutions/min and 1200 revolutions/min, during the magnetic vibration; and (5) forming and curing to prepare the magnetic concrete.
Specifically, in the step 2), the vibrating rod main body 11 is firstly placed into a mixture to be vibrated, the direction and the depth are controlled to reach a vibrating starting point, the vibrating rod main body 11 is started, the vibrating frequency is adjusted to be the vibrating frequency for vibrating, at the moment, the eccentric vibrating rod is driven by a motor or compressed air to rotate at a high speed to generate unbalanced centrifugal force, the rod head is driven to vibrate in a high-frequency micro-amplitude circumference mode, and the vibrating rod main body 11 is closed after 10s-15s of vibrating. And then the magnetic ring 22 is started to rotate and is adjusted to the rotating speed for vibrating, a changing magnetic field is formed at the moment, the changing magnetic field can lead magnetic substances in the concrete to be stressed and do irregular motion, the concrete is promoted to be uniformly mixed, the magnetic ring 22 is stopped rotating after vibrating for 10s-15s, and the steps are one cycle of mechanical vibrating and magnetic vibrating intermittently performed, and the specific operation is that the repeated cycle is carried out. The performance results of the obtained concrete after the vibration frequencies of 6000 times/min, 9000 times/min, 12000 times/min and the rotation speeds of 800 revolutions/min, 1000 revolutions/min and 1200 revolutions/min of the magnetic ring were respectively combined are shown in table 1.
The magnetic vibration was turned off and only mechanical vibration was performed as a general vibration bar, and the vibration frequency of the vibration bar main body was set to 6000 times/min, 9000 times/min, 12000 times/min, respectively, and the performance results of the obtained concrete were shown in table 1.
TABLE 1 Performance results of concrete obtained by vibrating the vibrating rod
As can be seen from Table 1, the magnetic ring of the magnetic coupling mechanical vibration composite vibration tamper has 800 revolutions per minute, the compressive strength of the concrete is improved by 5%, the tensile strength is improved by 3%, the number of bubbles in the upper layer is reduced by 10% by more than 5mm, the number of bubbles in the lower layer is increased by 10% by less than or equal to 0.5mm and less than or equal to 5mm, the number of bubbles in the lower layer is reduced by 6% by more than or equal to 6% by less than or equal to 0.5mm and less than or equal to 5mm, the total porosity is reduced by 8%.
The magnetic ring of the magnetic coupling mechanical vibration composite vibration tamper has 1000 revolutions per minute, the compressive strength of concrete is improved by 7%, the tensile strength is improved by 4%, the number of bubbles in the upper layer is reduced by 15% by more than 5mm, the number of bubbles in the lower layer is increased by 20% by more than 0.5mm and less than or equal to 5mm, the number of bubbles in the lower layer is reduced by 10% by more than 5mm, the number of bubbles in the lower layer is increased by 9% by more than or equal to 0.5mm and less than or equal to 5mm, and the total porosity is reduced by 10%.
The magnetic ring of the magnetic coupling mechanical vibration composite vibration tamper has 1200 revolutions per minute, the compressive strength of concrete is improved by 8%, the tensile strength is improved by 5%, the number of bubbles in the upper layer is reduced by 17% by more than 5mm, the number of bubbles in the lower layer is increased by 24% by more than 0.5mm and less than or equal to 5mm, the number of bubbles in the lower layer is reduced by 11% by more than 5mm, the number of bubbles in the lower layer is increased by 10% by more than or equal to 0.5mm and less than or equal to 5mm, and the total porosity is reduced by 12%.
According to the data in the table 1, the magnetic coupling mechanical vibration composite vibration tamper can improve the strength of a concrete member through the auxiliary mechanical vibration of magnetic vibration, simultaneously reduce large gaps, reduce the total porosity and effectively improve the quality of concrete construction.
In addition, the vibration intermittently performed by mechanical vibration and magnetic vibration is optimal in comparison with the vibration performed by simple mechanical vibration, simple magnetic vibration, and simultaneous mechanical vibration and magnetic vibration. The simultaneous vibration of mechanical vibration and magnetic vibration can possibly lead to partial areas to be counteracted because of vibration, the vibration can not be uniform, the influence on the subsequent concrete construction quality is great, so the intermittent vibration of the mechanical vibration and the magnetic vibration is selected, and the small-range vibration and the large-range vibration of the magnetic vibration can not be influenced mutually.
The vibrating rod main body provides mechanical vibration, can vibrate the concrete in a larger range, and the magnetic force vibration can vibrate the concrete in a smaller range, so that the precision of concrete vibration is improved, the tiny fine seam of the concrete can be filled in the crystallization process, the compactness of the concrete is improved, and the construction quality of the concrete is ensured.
The magnetic coupling mechanical vibration composite vibration tamper for mixing the magnetic concrete has the advantages of simple structure and low cost, and can realize full vibration of the magnetic concrete.
The abovementioned techniques not mentioned in particular refer to the prior art.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The magnetic coupling mechanical vibration composite vibration tamper comprises a mechanical vibration part, wherein the mechanical vibration part comprises a tamper body, a control device and a hose; a cable is arranged in the hose and is connected with the vibrating rod main body and the control device, and the control device comprises a power supply device for supplying power to the vibrating rod main body; the device is characterized by also comprising a magnetic vibrating part;
the magnetic vibrating part comprises a bearing, a magnetic ring, a first annular shell, an annular sheet and a remote controller, wherein the bearing is sleeved and fixed on the vibrating rod main body, the two ends of the inner ring of the bearing are prolonged to form an upper prolonged section and a lower prolonged section respectively, the first annular shell is sleeved on the upper prolonged section, the magnetic ring is sleeved on the outer ring of the bearing, and the annular sheet is sleeved on the lower prolonged section; the first annular shell is internally provided with a power supply, an electronic controller connected with the power supply and a motor connected with the electronic controller, wherein the electronic controller is used for receiving signals sent by the remote controller and controlling the motor, a rotating shaft of the motor is connected with a driving gear through a coupler, and the driving gear is exposed out of the first annular shell; the magnetic ring comprises a second annular shell and a plurality of magnet blocks, a plurality of bayonets are formed in the second annular shell along the peripheral surface, and each magnet block is arranged in the second annular shell and extends out of the corresponding bayonets; the bearing outer ring is also sleeved with an annular driven gear; the driven gear is meshed with the driving gear.
2. The magnetically coupled mechanical vibration composite vibration tamper according to claim 1, wherein the bearing is fixed to the tamper body by two identical fasteners, each fastener comprising a collar and a threaded rod, the collar being radially provided with a threaded bore therethrough; the two lantern rings are respectively sleeved on the vibrating rod main body and respectively abutted with the end parts of the upper extension section and the lower extension section of the bearing, and the bearing is fixed by using a screw rod to be screwed into the screw hole until the two lantern rings are abutted with the vibrating rod main body for fastening.
3. The magnetic-coupling mechanical-vibration composite-vibration tamper according to claim 2, wherein the first annular housing comprises a first annular groove and a first annular cover covering the first annular groove, a plurality of through holes are formed in a groove wall of the first annular groove near the upper extension section, corresponding screw holes are formed in the upper extension section, and screws are used to pass through the through holes and screw into the screw holes to fix the first annular groove on the upper extension section; a plurality of mounting holes are formed in the groove wall of the first annular groove far away from the upper extension section, corresponding mounting holes are formed in the first annular cover, and the first annular groove is fixedly connected with the first annular cover through the steel wires penetrating through the corresponding mounting holes and being fastened.
4. The magnetically coupled mechanically vibratable composite vibrating tamper of claim 3, wherein the motor is positioned at a bottom surface of the first annular groove, a through bar-shaped hole is formed at a bottom of the first annular groove, and the driving gear is exposed out of the first annular groove through the bar-shaped hole.
5. The magnetically coupled mechanically vibratable composite vibrating tamper of claim 4, wherein a collar is coaxially disposed on a side of the ring, a plurality of through holes are radially formed in the collar, corresponding screw holes are formed in the lower extension, and the ring is secured to the lower extension by screws passing through the through holes and into the screw holes.
6. The magnetic-coupling mechanical vibration composite vibration tamper according to claim 5, wherein the second annular housing comprises a second annular groove and a second annular cover covering the second annular groove, a plurality of through holes are formed in a groove wall of the second annular groove, which is close to the outer ring of the bearing, corresponding screw holes are formed in the outer ring, and screws are used to pass through the through holes and are screwed into the screw holes to fix the second annular groove on the outer ring; a plurality of mounting holes are formed in the groove wall, far away from the outer ring, of the second annular groove, corresponding mounting holes are formed in the second annular cover, and the second annular groove is fixedly connected with the second annular cover through the steel wires penetrating through the corresponding mounting holes and being fastened.
7. The magnetically coupled mechanically vibratable composite vibrating tamper of claim 6, wherein the second annular channel is equally divided into a plurality of compartments, each magnet block is mounted in each compartment and is in the form of a halbach array, and the magnet blocks are in the form of injection molded ferrite.
8. The magnetically coupled mechanical vibratory composite vibratory tamper of claim 7, wherein the mechanical vibratory portion further comprises a backpack, the control device being located in the backpack; the hose is a rubber tube, a handle is sleeved on the hose, and the handle is connected with the hose in a sliding manner; the vibrating rod main body is an eccentric vibrating rod.
9. The concrete vibrating method is characterized by comprising the following steps of:
1) Mixing the micrometer ferroferric oxide powder, water and cement to obtain a magnetizing mixture;
2) Mixing the magnetized mixture obtained in the step 1) with cement, sand and water, vibrating by using the magnetic coupling mechanical vibration composite vibration tamper according to any one of claims 1-8, molding and curing to obtain the magnetic concrete.
10. The method of vibrating concrete according to claim 9, wherein in step 1), the mass ratio of the micro ferroferric oxide powder, water and cement is 3:1.2:1.5; in the step 2), the mass ratio of the magnetizing mixture, cement, sand and water is 2.6:1:1.2:0.4; the vibration is mechanical vibration and magnetic vibration performed intermittently.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH211916A (en) * | 1938-02-28 | 1940-10-31 | Hermes Patentverwertungs Gmbh | Device for inducing shaking movements. |
| JPH10258406A (en) * | 1997-03-19 | 1998-09-29 | Satoru Fukai | Concrete having property changeable by magnetism |
| KR100778247B1 (en) * | 2006-11-30 | 2007-11-22 | 김동항 | Concrete vibrator capable of work slopes and the depths in wide range |
| CN104746879A (en) * | 2015-03-23 | 2015-07-01 | 马人欢 | Efficient building concrete vibrator |
| CN205371940U (en) * | 2016-01-22 | 2016-07-06 | 西安科技大学 | Stifled natural vibration ring is prevented to shotcrete pumping line |
| CN206016277U (en) * | 2016-08-30 | 2017-03-15 | 浙江嘉禾建设有限公司 | Concrete vibrator |
| CN111422961A (en) * | 2020-05-07 | 2020-07-17 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Self-coupling magnetic annular coagulation reaction device |
| CN112318672A (en) * | 2020-10-15 | 2021-02-05 | 周艳梅 | Automatic multipoint expanding type efficient concrete vibrating rod |
| KR20210105719A (en) * | 2020-02-19 | 2021-08-27 | 정하익 | Vibrator and construction method |
| CN114892668A (en) * | 2022-05-25 | 2022-08-12 | 中交路桥建设有限公司 | Pouring device for bridge pile foundation construction and working method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7153058B2 (en) * | 2002-05-14 | 2006-12-26 | Joe Lindley | Apparatus for finishing concrete |
-
2023
- 2023-09-01 CN CN202311123941.XA patent/CN117365118B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH211916A (en) * | 1938-02-28 | 1940-10-31 | Hermes Patentverwertungs Gmbh | Device for inducing shaking movements. |
| JPH10258406A (en) * | 1997-03-19 | 1998-09-29 | Satoru Fukai | Concrete having property changeable by magnetism |
| KR100778247B1 (en) * | 2006-11-30 | 2007-11-22 | 김동항 | Concrete vibrator capable of work slopes and the depths in wide range |
| CN104746879A (en) * | 2015-03-23 | 2015-07-01 | 马人欢 | Efficient building concrete vibrator |
| CN205371940U (en) * | 2016-01-22 | 2016-07-06 | 西安科技大学 | Stifled natural vibration ring is prevented to shotcrete pumping line |
| CN206016277U (en) * | 2016-08-30 | 2017-03-15 | 浙江嘉禾建设有限公司 | Concrete vibrator |
| KR20210105719A (en) * | 2020-02-19 | 2021-08-27 | 정하익 | Vibrator and construction method |
| CN111422961A (en) * | 2020-05-07 | 2020-07-17 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Self-coupling magnetic annular coagulation reaction device |
| CN112318672A (en) * | 2020-10-15 | 2021-02-05 | 周艳梅 | Automatic multipoint expanding type efficient concrete vibrating rod |
| CN114892668A (en) * | 2022-05-25 | 2022-08-12 | 中交路桥建设有限公司 | Pouring device for bridge pile foundation construction and working method thereof |
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