CN114934675B - Intelligent defoaming and trowelling device and method for repairing thin layers of chopped fiber cement-based materials - Google Patents
Intelligent defoaming and trowelling device and method for repairing thin layers of chopped fiber cement-based materials Download PDFInfo
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- CN114934675B CN114934675B CN202210786582.5A CN202210786582A CN114934675B CN 114934675 B CN114934675 B CN 114934675B CN 202210786582 A CN202210786582 A CN 202210786582A CN 114934675 B CN114934675 B CN 114934675B
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- 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
- E04G21/10—Devices for levelling, e.g. templates or boards
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- 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
- E04G21/063—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools
- E04G21/066—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools acting upon the surface of the concrete, whether or not provided with parts penetrating the concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses an intelligent defoaming and trowelling device and method for a chopped fiber cement-based material repair thin layer, and belongs to the technical field of building construction. The intelligent monitoring level adjusting system comprises a panel system, a power system and an intelligent monitoring level adjusting system, wherein the panel system comprises a vibrating motor connected through an obtuse angle and a plurality of double-frequency vibrating motors symmetrically arranged on four sides of a smooth panel, the intelligent monitoring level adjusting system comprises a level sensor arranged on the smooth panel, the monitoring level adjusting system is used for adjusting and controlling the double-frequency vibrating motor, the double-frequency vibrating motor located at a high point vibrates at a high frequency and the double-frequency vibrating motor located at a low point vibrates at a low frequency under a working state, and the method is to use the device for construction. The invention has the advantages of simple technical scheme and low cost, can effectively reduce labor force through double-frequency simultaneous vibration, can repair the problems of thin layer water seepage and excessive thickening due to the arrangement of carding teeth, and is easy to use in narrow construction positions.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an intelligent defoaming and trowelling device and method for a short-cut fiber cement-based material repair thin layer.
Background
In addition, the slurry lifting is an important concept of concrete pouring, and is characterized in that concrete is separated and layered through actions such as vibrating, finer slurry floats to the surface under the action of capillary and the like, the surface of the concrete is smoother in the slurry lifting process, the effects of attractive appearance and surface stress enhancement are achieved, bubbles can be removed, the internal texture of the concrete is smooth, and the strength of the concrete is improved as a whole.
Therefore, in the prior art, various vibration and trowelling devices exist according to the principle, and most of the devices are provided with vibration motors on the flat plate to realize the vibration and trowelling of concrete. For example, a hand-held concrete trowel of patent ZL202021650555.8, the trowel includes scraper blade and handle, connects through the connecting rod between scraper blade top surface and the handle, and the scraper blade top surface sets up a vibrating motor and a battery for the vibrating motor power supply, is equipped with the switch on the handle, and battery, vibrating motor and switch pass through the electric wire and establish ties and form the return circuit. However, the battery is positioned on the top surface of the scraping plate, and the battery can vibrate greatly due to vibration in use, so that instability is easy to generate. In addition, ZL202021861313.3 designs a concrete vibrating trowelling device, which comprises a base plate, a control rod, a vibrating motor and a battery. The base plate is the level setting, and the control lever is located the upside of base plate, and the one end and the base plate of control lever are connected, and vibrating motor is located the upside of base plate, and the battery is located the control lever, battery and vibrating motor electric connection.
However, various chopped fibers are often added for increasing strength in the modern concrete construction process, and are extremely easy to agglomerate and knot in the pouring and vibrating processes, so that the physical properties of the concrete are uneven, hidden danger is generated, and the phenomenon of fiber agglomeration caused by materials doped with the chopped fibers cannot be treated in the two patents. Moreover, when more important to the thin layer restoration, the existing vibrating trowelling device is quick in vibrating speed, easy to generate bubbles and difficult to level, but if the vibrating speed is simply reduced, the vibrating effect is poor, and more effort and time of workers are required to be consumed.
In view of the foregoing, the applicant has devised this invention by gathering relevant data, evaluating and considering it by multiple parties, and by continuing to try and modify it with years of experience accumulated in the industry.
Disclosure of Invention
The main purpose of the present invention is to provide an intelligent defoaming and trowelling device and method for repairing thin layers of chopped fiber cement-based materials, so as to solve the above-mentioned problems.
The intelligent defoaming and trowelling device for repairing the thin layer of the chopped fiber cement-based material comprises a panel system, a power system and an intelligent monitoring level adjusting system, wherein the panel system comprises a rough panel and a smooth panel which are connected through an obtuse angle, and a carding cone is arranged on the working surface of the rough panel; the power system comprises a vibrating motor arranged on the rough panel and a plurality of double-frequency vibrating motors arranged on the smooth panel, wherein the double-frequency vibrating motors are symmetrically arranged at positions close to four sides of the smooth panel; the intelligent monitoring level adjusting system comprises a level sensor arranged on the smooth panel, and is used for adjusting and controlling the double-frequency vibration motor, so that the double-frequency vibration motor positioned at a high point vibrates at a high frequency and the double-frequency vibration motor positioned at a low point vibrates at a low frequency under the working state.
Preferably, the hand-held rod is further arranged, the hand-held rod is connected with the smooth panel and/or the non-working surface of the rough panel, the included angle between the rough panel and the smooth panel is 120-160 degrees, and the included angle direction faces one side of the hand-held rod.
More preferably, the rough panel and the smooth panel are reinforced by a connecting rod.
More preferably, the battery box is positioned in the handheld rod, and the switch is positioned on the handheld rod; the switch controls the vibration motor and the dual-frequency vibration motor, respectively.
More preferably, the connecting rod is a hollow steel pipe and is positioned at the center point of the panel, and the electric wire 3 passes through a reserved passage of the panel and is connected with the center of the connecting rod pipeline, the switch and the battery box.
More preferably, the number of the double-frequency vibration motors is 4, and the thickness of the smooth panel is 0.5-3 mm.
More preferably, a gasket is arranged on the non-working surface of the smooth panel and/or the rough panel, a threaded hole is preset in the gasket, and the vibration motor, the double-frequency vibration motor and the connecting rod are fixed through the gasket in a screwed mode.
Preferably, the rough panel working surface is provided with a plurality of carding teeth, and the carding teeth are conical; the length of the carding teeth is gradually decreased from the free end of the rough panel to the connecting end of the rough panel and the smooth panel.
An intelligent defoaming and trowelling method for repairing a thin layer by using the chopped fiber cement-based material, wherein the intelligent defoaming and trowelling device for repairing the thin layer by using any one of the chopped fiber cement-based materials is utilized; vibrating by using the rough panel carding teeth, inserting the carding teeth into the repair slurry, and carding the direction of the chopped fibers to enable the direction of the chopped fibers to accord with the stress direction; vibrating by using a smooth panel, automatically controlling a double-frequency vibration motor to perform defoaming horizontal treatment by using a miniature horizontal sensor, trowelling the smooth panel back and forth in mutually perpendicular directions, closing a switch on a handheld rod when the smooth panel is in balance, and trowelling and ending by using the smooth plane;
when the repair slurry is sticky or bleeding occurs, the time for inserting the carding teeth into the repair slurry for vibrating is prolonged, the rough panel is moved until the slurry achieves a uniform effect, and defoaming, vibrating and trowelling are performed through the smooth panel.
The technical scheme of the invention is simple, reliable, efficient and labor-saving, the integration of vibration, carding and trowelling can be realized by combining the rough surface provided with the carding teeth and the plurality of double-frequency vibration motors, when the arrangement of chopped fibers is not ideal, the chopped fibers can be arranged in the required texture direction in a vibrating and carding mode, when the repair slurry is more viscous or bleeding effect occurs, the adjustment can be carried out by prolonging the time of inserting the carding teeth into the vibration of the repair slurry, in particular, the intelligent vibration is realized by arranging the miniature horizontal sensor on the smooth panel, the high-frequency vibration can be realized at the protruding part of the concrete, the pressing is quickly carried out, the low-frequency vibration is adopted at the concave part to prevent the generation of bubbles, and when the surface of the concrete is in a horizontal state, the vibration can be stopped by setting or manual switching, so that the trowelling with better performance is realized.
Drawings
FIG. 1A top view of the present invention
FIG. 2 is a side view of the present invention
FIG. 3 is a perspective view of the present invention
Wherein 1, rough panel 2, connecting rod 3, smooth panel 4, wire 5, double-frequency vibration motor 6, screw 7, level 8, gasket 9, vibration motor 10, connecting rod 11, hand-held rod 12, integrated circuit board 13, miniature level sensor 14, battery box
[ embodiment ]
To achieve the above and other objects and advantages, the present invention adopts the technical means and structures, and the characteristics and functions of the preferred embodiments of the present invention are described in detail by the following drawings, which are well understood.
Referring to fig. 1 to 3, an intelligent defoaming and trowelling device for repairing a thin layer of a chopped fiber cement-based material comprises a panel system, a power system and an intelligent monitoring level adjusting system.
The panel system comprises a rough panel 1 and a smooth panel 3 which are connected at an obtuse angle; in this embodiment, the rough panel 1 and the smooth panel 2 are both stainless steel plates with thickness of 0.5mm, the rough panel 1 is welded to the smooth panel 3, and an included angle formed in a non-working surface direction is 120 ° to 160 °, so that in order to ensure connection strength, a connecting rod 2 may be disposed between the rough panel 1 and the smooth panel 3.
It should be understood that: the smooth panel 2 needs to be provided with different vibration frequencies at two sides, and the thinner the stainless steel plate is, the larger the vibration difference is realized at the two sides, but the rigidity of the smooth panel is correspondingly poor, so the smooth panel is easy to damage and is likely to deform in the working process, and the smooth panel cannot be smoothed; correspondingly, when the stainless steel plate is arranged to be thicker, the rigidity of the stainless steel plate is increased, but the deformation performance of the stainless steel plate is also reduced, so that the vibration difference can not be realized due to mutual interference of vibration sources at two sides, and according to experiments, the expected effect can be achieved by the plates with the thickness of 0.5-2.0 mm commonly used in the prior art, and after knowing the principle, the selection of the plates and the thickness of the plates can be easily realized by a person skilled in the art.
The working surface of the rough panel 1 is provided with a carding cone 101; in the embodiment, the carding cone is conical in shape, is distributed in the transverse direction 4 and the longitudinal direction 6, the taper is 1:10, and the root diameter is 5mm. In order to avoid interference caused by the fact that too long carding teeth 101 touch the concrete surface when the smooth panel 2 is used, the carding cone near the joint of the rough panel 1 and the smooth panel 2 can be gradually reduced in height, for example, the lengths of two rows of carding teeth 101 near the joint are preferably gradually reduced by 50%, so that interference is avoided, a back pulling method is also used when the rough panel 1 is used, and the carding teeth can be transited from short to long.
For convenient holding, in some embodiments, a hand-held rod 12 is further provided, the hand-held rod 12 is a hollow grip, a battery box 14 is arranged in the hand-held rod 12, the hand-held rod 12 is connected with the smooth panel 2 through a connecting rod 10, specifically, the connecting rod 10 is a hollow steel tube, and is welded at the center position of the smooth panel 2, and a hole is reserved near the welding position for threading.
The power system comprises vibration motors 9 arranged on the rough panel 1 and double-frequency vibration motors 5 arranged on the smooth panel 2, wherein in the embodiment, the number of the double-frequency vibration motors is 4, and the two double-frequency vibration motors are symmetrically arranged at positions close to four sides of the smooth panel 3, and can be particularly shown by referring to fig. 1; the vibration motor 9 is selected and set according to the prior art, and the dual-frequency vibration motor 5 has two working states, for example, in some embodiments, the frequency of the first working state is 50HZ, the frequency of the second working state is 100HZ, in terms of the construction of the original surface layer, the quality of aggregate is poor, the crushing value of the aggregate and the compressive strength of the stone are too poor, and the content of the slender flat particles is too high, so that the bulge is easily caused, the trowelling device in the prior art is not easy to flatten due to low frequency, but the leveling device can vibrate at an excessive speed in a flattened area contacted by the trowelling device to generate bubbles when the frequency is adjusted to one degree, so that the flattening is generally realized by applying larger pressure in the prior art, but the wrist is tired. According to the technical scheme, different frequencies are arranged on two sides of the trowelling device to solve the problem, and the effect is good. Through experiments, the flattening effect is optimal when the frequency reaches 100HZ, and the vibration bubble reduction effect is best when the frequency reaches 50 HZ. It is therefore possible to set the low frequency (first operation state) of the double-frequency vibration motor 9 to 50HZ and the high frequency (second operation state) to 100HZ in the present embodiment.
The poor strength of the sheet metal is not suitable for direct attachment of the fitting, so in some embodiments, the gasket 8 is pre-welded where it is desired to attach the fitting to ensure the attachment strength, and the fitting may be welded to the gasket, such as by the connecting rod 10; screw holes may also be preset in the spacer, and fittings may be screwed to the spacer, such as the vibration motor 9 and the dual-frequency vibration motor 10.
The intelligent monitoring level adjusting system comprises a miniature level sensor 13 arranged on the smooth panel 3, wherein the miniature level sensor 13 is electrically connected with an integrated circuit board 12, a vibration motor 9 and a double-frequency vibration motor 10, a switch 111 arranged on a handheld rod 11 and a battery box 14 in the handheld rod 11, and in the embodiment, the level sensor can be selected from an HCA double-shaft level inclination sensor and a BLK622 double-shaft level inclination sensor in the existing model; the integrated circuit board adopts STC89C52 series single chip microcomputer, has perfect and various functions, strong performance, low power consumption, eight kilobyte programmed memory, settable working period, working voltage of 3.3-5.5V and working frequency of 0-40 MHz.
The specific setting method comprises the following steps: the switch 111 may be in a three-gear mode, and only the vibration motor 9 is operated in a first gear mode; in the second gear, the vibration motor 9 stops working, and the double-frequency vibration motor 10 starts working, in some embodiments, the specific strategy is that when the micro level sensor 13 is at a level, the double-frequency vibration motor 10 vibrates at a low frequency, and when the micro level sensor 13 is inclined, the double-frequency vibration motor 10 at one side of the horizontal plane vibrates at a high frequency, and the double-frequency vibration motor 10 at the other side vibrates at a low frequency. In the third gear, the vibration motor 9 and the double-frequency vibration motor 10 are not operated. After the policy mechanism is clarified, it is conceivable that the micro level sensor 13 may be arranged laterally along the smooth panel 3 to realize that the two sets of dual-frequency vibration motors 10 on the left and right side vibrate at different frequencies when in a non-horizontal position, or may be arranged longitudinally back and forth, which is the same principle, and the difference is only the usage of the method.
An intelligent defoaming and trowelling method for repairing a thin layer by using the chopped fiber cement-based material, wherein the intelligent defoaming and trowelling device for repairing the thin layer by using any one of the chopped fiber cement-based materials is utilized; the carding teeth 101 arranged on the rough panel 1 are used for vibrating, and the specific method can be as follows: setting the switch 111 to first gear, inserting the carding teeth 101 into the repair slurry, carding while vibrating, carding the direction of the chopped fibers to conform to the stress direction, it is conceivable that implementing unidirectional carding like a carding head is more favorable to smooth of the chopped fibers, when the repair slurry is more viscous or bleeding effect occurs, the time of inserting the carding teeth into the repair slurry for vibrating is prolonged, and the rough panel is slowly moved, or repeatedly plugged and unplugged while vibrating until the slurry reaches a uniform effect. At this time, the switch 111 can be switched to the second gear for trowelling, when the vibration frequency is obviously enhanced, the switch can be slightly stopped and slightly pressed down with force, the switch can continue to move after the high-frequency vibration disappears, defoaming, vibrating and trowelling are performed through the smooth panel, the smooth panel is trowelled back and forth according to mutually perpendicular directions, when the smooth panel is in balance, the switch on the handheld rod is closed, and trowelling ending is performed through the smooth plane;
in some embodiments, the smooth panel 2 is further provided with a level meter 7, which can assist leveling and check whether the micro level sensor 13 works normally.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application, so that any minor modifications, equivalent variations and modifications made to the above embodiments according to the technical substance of the present application are within the scope of the technical solution of the present application.
Claims (8)
1. The intelligent defoaming and trowelling device for repairing the thin layer of the chopped fiber cement-based material is characterized by comprising a panel system, a power system and an intelligent monitoring level adjusting system, wherein the panel system comprises a rough panel and a smooth panel which are connected through an obtuse angle, and a carding cone is arranged on the working surface of the rough panel; the power system comprises a vibrating motor arranged on the rough panel and a plurality of double-frequency vibrating motors arranged on the smooth panel, wherein the double-frequency vibrating motors are symmetrically arranged at positions close to four sides of the smooth panel; the intelligent monitoring level adjusting system comprises a level sensor arranged on the smooth panel, and is used for adjusting and controlling the double-frequency vibration motor, so that the double-frequency vibration motor at a high point vibrates at a high frequency and the double-frequency vibration motor at a low point vibrates at a low frequency in a working state;
the rough panel working surface is provided with a plurality of carding teeth which are conical; the length of the carding teeth is gradually decreased from the free end of the rough panel to the connecting end of the rough panel and the smooth panel.
2. The intelligent defoaming and trowelling device for repairing a thin layer of chopped fiber cement-based material according to claim 1, further comprising a hand-held rod, wherein the hand-held rod is connected with the smooth panel and/or the non-working surface of the rough panel, and the included angle between the rough panel and the smooth panel is 120-160 degrees, and the included angle direction faces one side of the hand-held rod.
3. The intelligent defoaming and trowelling apparatus for repairing a thin layer of chopped fiber cement-based material according to claim 2, wherein the rough panel and the smooth panel are reinforced by a connecting rod.
4. The intelligent defoaming and trowelling device for repairing a thin layer of chopped fiber cement-based material according to claim 2, further comprising a hand-held rod, wherein the hand-held rod is connected with the panel through a connecting rod, the battery box is positioned inside the hand-held rod, and the switch is positioned on the hand-held rod; the switch controls the vibration motor and the dual-frequency vibration motor, respectively.
5. The intelligent defoaming and trowelling device for repairing a thin layer of chopped fiber cement-based material according to claim 4, wherein the connecting rod is a hollow steel tube and is positioned at the center point of the panel, and the wires are electrically connected with the switch and the battery box through the hollow steel tube through a reserved passage of the panel.
6. The intelligent defoaming and trowelling apparatus for repairing a thin layer of chopped fiber cement-based material according to claim 4, wherein the number of electric vibration motors is 1, the number of double frequency vibration motors is 4, and the smooth panel is a steel sheet with a thickness of 0.5 to 3mm.
7. The intelligent defoaming and trowelling device for repairing a thin layer of chopped fiber cement-based material according to claim 6, wherein a gasket is arranged on a non-working surface of the smooth panel and/or the rough panel, a screw hole is preset in the gasket, and the vibration motor, the double-frequency vibration motor and the connecting rod are fixed through the screw connection of the gasket.
8. An intelligent defoaming and trowelling method for repairing a thin layer of a chopped fiber cement-based material, which is characterized in that the intelligent defoaming and trowelling device for repairing a thin layer of a chopped fiber cement-based material is utilized; vibrating by using the rough panel carding teeth, inserting the carding teeth into the repair slurry, and carding the direction of the chopped fibers to enable the direction of the chopped fibers to accord with the stress direction; vibrating by using a smooth panel, automatically controlling a double-frequency vibration motor to perform defoaming horizontal treatment by using a miniature horizontal sensor, trowelling the smooth panel back and forth in mutually perpendicular directions, closing a switch on a handheld rod when the smooth panel is in balance, and trowelling and ending by using the smooth plane;
when the repair slurry is sticky or bleeding occurs, the time for inserting the carding teeth into the repair slurry for vibrating is prolonged, the rough panel is moved until the slurry achieves a uniform effect, and defoaming, vibrating and trowelling are performed through the smooth panel.
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| CN202210786582.5A CN114934675B (en) | 2022-07-06 | 2022-07-06 | Intelligent defoaming and trowelling device and method for repairing thin layers of chopped fiber cement-based materials |
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