CN110792019A - Concrete vibrator - Google Patents
Concrete vibrator Download PDFInfo
- Publication number
- CN110792019A CN110792019A CN201911161524.8A CN201911161524A CN110792019A CN 110792019 A CN110792019 A CN 110792019A CN 201911161524 A CN201911161524 A CN 201911161524A CN 110792019 A CN110792019 A CN 110792019A
- Authority
- CN
- China
- Prior art keywords
- resistor
- concrete
- mounting seat
- operational amplifier
- vibrating rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/38—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight with means specifically for generating vibrations, e.g. vibrating plate compactors, immersion vibrators
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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
- E04G21/08—Internal vibrators, e.g. needle vibrators
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
- H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger
Abstract
The invention discloses a concrete vibrator, which comprises a bottom plate and a mounting seat, wherein the mounting seat is fixedly arranged on the bottom plate, a first hand-rest is obliquely arranged on one side of the mounting seat, a second hand-rest is obliquely arranged on the other side of the mounting seat, the bottom plate comprises a steel plate and a protective bottom shell, the steel plate is fixed at the bottom of the protective bottom shell, a plurality of vibration motors are fixedly arranged between the protective bottom shell and the mounting seat, a plurality of through holes are formed in the bottom plate and the mounting seat, vibration rods penetrate through the through holes, a support frame is fixedly arranged on the surface of the mounting seat through bolts and consists of a cross beam, a left side beam and a right side beam, the left side beam and the right side beam are both vertical to the mounting seat, two ends of the cross beam are respectively and fixedly connected with the top ends of the left side beam and the right side beam, a fixed block is arranged on the inner side of, the concrete vibrator is novel in structural design and convenient to use, can uniformly vibrate concrete, and effectively enhances the compactness of the concrete.
Description
Technical Field
The invention relates to the technical field of vibrating machines, in particular to a concrete vibrating machine.
Background
Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the cement concrete, also called as common concrete, is widely applied to civil engineering, and the existing concrete vibrator has complex structure principle, low vibrating efficiency and poor effect. Therefore, improvements are needed.
Disclosure of Invention
The present invention is directed to a concrete vibrator to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete vibrator comprises a bottom plate and a mounting seat, wherein the mounting seat is fixedly arranged on the bottom plate, a first hand-rest is obliquely arranged on one side of the mounting seat, a second hand-rest is obliquely arranged on the other side of the mounting seat, the bottom plate comprises a steel plate and a protective bottom shell, the steel plate is fixed at the bottom of the protective bottom shell, a plurality of vibration motors are fixedly arranged between the protective bottom shell and the mounting seat, a plurality of through holes are formed in the bottom plate and the mounting seat, vibrating rods penetrate through the through holes, a support frame is fixedly arranged on the surface of the mounting seat through bolts and consists of a cross beam, a left side beam and a right side beam, the left side beam and the right side beam are perpendicular to the mounting seat, two ends of the cross beam are fixedly connected with the top ends of the left side beam and the right side beam respectively, a fixed block is arranged on the inner side of the cross beam, a pressing plate, the lower end face of the pressing plate is fixedly connected with the upper end part of the vibrating rod.
Preferably, the outer wall of the upper end part of the vibrating rod is sleeved with a damping spring, the upper end and the lower end of the damping spring are respectively fixed on the lower end surface of the pressing plate and the upper end surface of the mounting seat, the damping spring adopts a high-strength spiral spring body, a plurality of guide posts are further installed between the pressing plate and the mounting seat, and the guide posts are arranged between the two vibrating rods.
Preferably, a controller is mounted on the cross beam, a main control unit and a motor driving unit are arranged in the controller, and the main control unit is connected with the vibration motor through the motor driving unit; the motor driving unit comprises a first Schmitt trigger, a second Schmitt trigger, an operational amplifier A and an operational amplifier B, wherein a PWM signal is input at the input end of the first Schmitt trigger, the output end of the first Schmitt trigger is connected with the input end of the second Schmitt trigger, the output end of the second Schmitt trigger is connected with one end of a resistor A, the other end of the resistor A is respectively connected with one end of a resistor B and one end of a capacitor F, the other end of the resistor B is respectively connected with one end of a capacitor G and the positive input end of the operational amplifier A, the other end of the capacitor F is connected with the other end of the capacitor G and is grounded, the negative input end of the operational amplifier A is connected with the output end, the output end of the operational amplifier A is connected with one end of a resistor C, the other end of the resistor C is respectively connected with the, the negative electrode input end of the operational amplifier B is respectively connected with one end of a resistor D and one end of a resistor E, the other end of the resistor D is grounded, the other end of the resistor E is respectively connected with an emitting electrode of a triode and one end of a resistor H, the other end of the resistor H is connected with the negative electrode of a first diode, the positive electrode of the first diode is grounded, and a second diode is connected between the collecting electrode of the triode and the other end of the resistor G.
Preferably, the bottom of the bottom plate and the outer wall of the vibrating rod are both compounded with a wear-resistant layer, and the wear-resistant layer consists of 40% of ball-milling chromium powder, 20% of nano-alumina, 10% of silicon carbide crystal grains, 10% of flaky corundum and 20% of titanium nitride.
Preferably, the outer ends of the first handrail and the second handrail are provided with handrails.
Preferably, the using method comprises the following steps:
A. manually pushing the vibrator to the concrete;
B. then the motor is started through the controller, the motor driving unit controls the output power of the motor, and the plurality of vibration motors drive the bottom plate to vibrate;
C. meanwhile, the telescopic oil cylinder is controlled to work, the telescopic oil cylinder controls the pressure plate to move downwards, the pressure plate drives the vibrating rod to move downwards, and the vibrating rod is inserted into the concrete;
D. in the vibration process of the motor, the vibrating rod simultaneously vibrates the concrete to compact the concrete;
E. and (5) retracting the vibrating rod and pushing the vibrating machine to vibrate the next concrete.
Compared with the prior art, the invention has the beneficial effects that:
(1) the concrete vibrator is novel in structural design and convenient to use, can uniformly vibrate concrete, and effectively enhances the compactness of the concrete.
(2) According to the vibrating rod, the fixing block is mounted on the inner side of the cross beam, the pressing plate is arranged below the fixing block, the telescopic oil cylinder is mounted between the fixing block and the pressing plate, the lower end face of the pressing plate is fixedly connected with the upper end portion of the vibrating rod, by adopting the structure, the telescopic oil cylinder can control the telescopic movement of the vibrating rod, the vibrating rod can be inserted into concrete, and then the vibrating rod is driven by the vibrating motor to vibrate, so that the vibrating efficiency is improved, and the concrete pouring quality is improved.
(3) According to the invention, the outer wall of the upper end part of the vibrating rod is sleeved with the damping spring, the upper end and the lower end of the damping spring are respectively fixed on the lower end surface of the pressing plate and the upper end surface of the mounting seat, the damping spring adopts a high-strength spiral spring body, a plurality of guide posts are further arranged between the pressing plate and the mounting seat, and the guide posts are arranged between the two vibrating rods.
(4) The motor driving unit adopted by the invention can realize the accurate output of 4-20MA current, the resolution ratio is related to the bit number of the PWM signal, the high-precision current output can be realized, and the working stability of the vibration motor is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the control scheme of the present invention;
FIG. 3 is a circuit diagram of a motor driving unit according to the present invention;
FIG. 4 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a concrete vibrator comprises a bottom plate 1 and an installation base 2, wherein the installation base 2 is fixedly installed on the bottom plate 1, a first handrail 3 is obliquely installed on one side of the installation base 2, a second handrail 4 is obliquely installed on the other side of the installation base 2, handrails 25 are installed at the outer end parts of the first handrail and the second handrail, and the handrails are arranged to facilitate workers to push the vibrator; the bottom plate 1 comprises a steel plate 5 and a protective bottom shell 6, the steel plate 5 is fixed at the bottom of the protective bottom shell 6, a plurality of vibrating motors 7 are fixedly installed between the protective bottom shell 6 and the mounting seat 2, a plurality of through holes are formed in the bottom plate 1 and the mounting seat 2, the vibrating rods 8 penetrate through the through holes, a support frame is fixedly installed on the surface of the mounting seat 2 through bolts and consists of a cross beam 9, a left side beam 10 and a right side beam 11, the left side beam 10 and the right side beam 11 are both vertical to the mounting seat 2, two ends of the cross beam 9 are respectively fixedly connected with the top ends of the left side beam 10 and the right side beam 11, a fixed block 12 is installed on the inner side of the cross beam 9, a pressing plate 13 is arranged below the fixed block 12, a telescopic oil cylinder 14 is installed between the fixed block 12 and the pressing plate 13, the lower end face of the pressing plate 13 is fixedly connected with the upper end of the, inside can making the vibrating rod insert the concrete, rethread vibrating motor drives the vibrating rod and vibrates, has improved the efficiency of vibrating, and then improves concrete placement quality.
According to the invention, the outer wall of the upper end part of each vibrating rod 8 is sleeved with a damping spring 15, the upper end and the lower end of each damping spring 15 are respectively fixed on the lower end surface of a pressure plate 13 and the upper end surface of an installation seat 2, each damping spring 15 adopts a high-strength spiral spring body, a plurality of guide posts 16 are also arranged between the pressure plate 13 and the installation seat 2, and the guide posts 16 are arranged between the two vibrating rods 8. The guide column can play a role in guiding, the vibrating rod can be ensured to vertically move, and the telescopic oil cylinder can control the vibrating rod to vertically move; by adopting the structure, the vibrating rod can be ensured to be reset quickly, and the working efficiency is improved.
The bottom of the bottom plate and the outer wall of the vibrating rod are both compounded with a wear-resistant layer, and the wear-resistant layer consists of 40% of ball-milling chromium powder, 20% of nano aluminum oxide, 10% of silicon carbide crystal grains, 10% of flaky corundum and 20% of titanium nitride. The wear-resistant layer has excellent wear resistance, and effectively protects the floor and the vibrating rod.
In addition, in the invention, a controller 17 is installed on the cross beam 9, a main control unit 18 and a motor driving unit 19 are arranged in the controller 17, and the main control unit 18 is connected with the vibration motor 7 through the motor driving unit 19; the motor driving unit 19 includes a first schmitt trigger 20, a second schmitt trigger 21, an operational amplifier A1d and an operational amplifier B2d, the input end of the first schmitt trigger 20 inputs a PWM signal, the output end is connected to the input end of the second schmitt trigger 21, the output end of the second schmitt trigger 21 is connected to one end of a resistor A1C, the other end of the resistor A1C is connected to one end of a resistor B2C and one end of a capacitor F6B, the other end of the resistor B2C is connected to one end of a capacitor G7B and the positive input end of an operational amplifier A1d, the other end of the capacitor F6B is connected to the other end of a capacitor G7B and grounded, the negative input end of the operational amplifier A1d is connected to the output end, the output end of the operational amplifier A1d is connected to one end of a resistor C3C, the other end of the resistor C3C is connected to the positive input end of an operational amplifier B2d and one end of a resistor G, the other end of the resistor F6c is connected with the base electrode of the triode 22, the input end of the negative electrode of the operational amplifier B2D is respectively connected with one end of a resistor D4c and one end of a resistor E5c, the other end of the resistor D4c is grounded, the other end of the resistor E5c is respectively connected with the emitting electrode of the triode 22 and one end of a resistor H8c, the other end of the resistor H8c is connected with the negative electrode of a first diode 23, the positive electrode of the first diode 23 is grounded, and a second diode 24 is connected between the collector electrode of the triode 22 and the; the motor driving unit adopted by the invention can realize the accurate output of 4-20MA current, the resolution ratio is related to the bit number of the PWM signal, the high-precision current output can be realized, and the working stability of the vibration motor is further improved.
The working principle is as follows: the using method of the invention comprises the following steps:
A. manually pushing the vibrator to the concrete;
B. then the motor is started through the controller, the motor driving unit controls the output power of the motor, and the plurality of vibration motors drive the bottom plate to vibrate;
C. meanwhile, the telescopic oil cylinder is controlled to work, the telescopic oil cylinder controls the pressure plate to move downwards, the pressure plate drives the vibrating rod to move downwards, and the vibrating rod is inserted into the concrete;
D. in the vibration process of the motor, the vibrating rod simultaneously vibrates the concrete to compact the concrete;
E. and (5) retracting the vibrating rod and pushing the vibrating machine to vibrate the next concrete.
In conclusion, the concrete vibrating machine is novel in structural design and convenient to use, can uniformly vibrate concrete, and effectively enhances the compactness of the concrete.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a concrete vibrator, includes bottom plate (1) and mount pad (2), its characterized in that: the mounting seat (2) is fixedly mounted on the bottom plate (1), a first hand-rest (3) is obliquely mounted on one side of the mounting seat (2), a second hand-rest (4) is obliquely mounted on the other side of the mounting seat (2), the bottom plate (1) comprises a steel plate (5) and a protective bottom shell (6), the steel plate (5) is fixed at the bottom of the protective bottom shell (6), a plurality of vibrating motors (7) are fixedly mounted between the protective bottom shell (6) and the mounting seat (2), a plurality of through holes are formed in the bottom plate (1) and the mounting seat (2), vibrating rods (8) penetrate through the through holes, a support frame is fixedly mounted on the surface of the mounting seat (2) through bolts and is composed of a cross beam (9), a left side beam (10) and a right side beam (11), the left side beam (10) and the right side beam (11) are perpendicular to the mounting seat (2), and two ends of the cross beam (9) are respectively connected with the left side beam (, Right side roof beam (11) top fixed connection, fixed block (12) are installed to crossbeam (9) inboard, fixed block (12) below sets up clamp plate (13), install flexible hydro-cylinder (14) between fixed block (12) and clamp plate (13), terminal surface and vibrating rod (8) upper end fixed connection under clamp plate (13).
2. A concrete vibrator according to claim 1, wherein: vibrating rod (8) upper end portion outer wall cover has damping spring (15), damping spring (15) upper and lower end is fixed terminal surface and mount pad (2) up end under clamp plate (13) respectively, damping spring (15) adopt the high strength spiral spring body, still install many guide posts (16) between clamp plate (13) and mount pad (2), just guide post (16) set up between two vibrating rod (8).
3. A concrete vibrator according to claim 1, wherein: a controller (17) is mounted on the cross beam (9), a main control unit (18) and a motor driving unit (19) are arranged in the controller (17), and the main control unit (18) is connected with the vibration motor (7) through the motor driving unit (19); the motor driving unit (19) comprises a first Schmitt trigger (20), a second Schmitt trigger (21), an operational amplifier A (1d) and an operational amplifier B (2d), wherein a PWM signal is input at the input end of the first Schmitt trigger (20), the output end of the first Schmitt trigger is connected with the input end of the second Schmitt trigger (21), the output end of the second Schmitt trigger (21) is connected with one end of a resistor A (1C), the other end of the resistor A (1C) is respectively connected with one end of a resistor B (2C) and one end of a capacitor F (6B), the other end of the resistor B (2C) is respectively connected with one end of a capacitor G (7B) and the positive input end of the operational amplifier A (1d), the other end of the capacitor F (6B) is connected with the other end of the capacitor G (7B) and is grounded, the negative input end of the operational amplifier A (1d) is connected with the output end, the output end of the operational amplifier A (1, the other end of the resistor C (3C) is connected with a positive electrode input end of an operational amplifier B (2D) and one end of a resistor G (7C) respectively, the output end of the operational amplifier B (2D) is connected with one end of a resistor F (6C), the other end of the resistor F (6C) is connected with a base of a triode (22), the negative electrode input end of the operational amplifier B (2D) is connected with one end of a resistor D (4C) and one end of a resistor E (5C) respectively, the other end of the resistor D (4C) is grounded, the other end of the resistor E (5C) is connected with an emitting electrode of the triode (22) and one end of a resistor H (8C) respectively, the other end of the resistor H (8C) is connected with a negative electrode of a first diode (23), the positive electrode of the first diode (23) is grounded, and a second diode (.
4. A concrete vibrator according to claim 1, wherein: the bottom of the bottom plate and the outer wall of the vibrating rod are both compounded with a wear-resistant layer, and the wear-resistant layer consists of 40% of ball-milling chromium powder, 20% of nano aluminum oxide, 10% of silicon carbide crystal grains, 10% of flaky corundum and 20% of titanium nitride.
5. A concrete vibrator according to claim 1, wherein: handrails (25) are mounted at the outer end parts of the first handrail and the second handrail.
6. The use method of the concrete vibrator according to claim 1 is realized, and is characterized in that: the using method comprises the following steps:
A. manually pushing the vibrator to the concrete;
B. then the motor is started through the controller, the motor driving unit controls the output power of the motor, and the plurality of vibration motors drive the bottom plate to vibrate;
C. meanwhile, the telescopic oil cylinder is controlled to work, the telescopic oil cylinder controls the pressure plate to move downwards, the pressure plate drives the vibrating rod to move downwards, and the vibrating rod is inserted into the concrete;
D. in the vibration process of the motor, the vibrating rod simultaneously vibrates the concrete to compact the concrete;
E. and (5) retracting the vibrating rod and pushing the vibrating machine to vibrate the next concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911161524.8A CN110792019A (en) | 2019-11-25 | 2019-11-25 | Concrete vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911161524.8A CN110792019A (en) | 2019-11-25 | 2019-11-25 | Concrete vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110792019A true CN110792019A (en) | 2020-02-14 |
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ID=69445900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911161524.8A Pending CN110792019A (en) | 2019-11-25 | 2019-11-25 | Concrete vibrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN110792019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979876A (en) * | 2020-08-21 | 2020-11-24 | 岳阳智博建筑工程有限公司 | Construction is with flat device that shakes |
| CN113235937A (en) * | 2021-06-18 | 2021-08-10 | 江苏新大高空工程有限公司 | Concrete vibrating device convenient to location for chimney construction |
| CN113356567A (en) * | 2021-06-03 | 2021-09-07 | 张忠良 | Intelligent template for building construction |
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| GB418882A (en) * | 1932-12-23 | 1934-11-01 | Povl Adolf Nathansen | Apparatus for consolidating concrete and like plastic masses in situ |
| CN104911980A (en) * | 2015-06-01 | 2015-09-16 | 济南城建集团有限公司 | Concrete pavement casting vibration device and construction method thereof |
| CN205501782U (en) * | 2016-04-09 | 2016-08-24 | 李爱兰 | Concrete vibrating device |
| CN206233597U (en) * | 2016-10-15 | 2017-06-09 | 闫志刚 | A kind of construction concrete vibrating device |
| CN206319619U (en) * | 2016-12-30 | 2017-07-11 | 中铁十四局集团第二工程有限公司 | Concrete shocks rod |
| CN108663959B (en) * | 2018-06-07 | 2019-09-20 | 南京协和电子科技有限公司 | A kind of PTC controller showing software online updating by PWM cause for gossip |
| CN110306807A (en) * | 2019-07-18 | 2019-10-08 | 夏颖 | A kind of building concrete vibrator and application method |
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2019
- 2019-11-25 CN CN201911161524.8A patent/CN110792019A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB418882A (en) * | 1932-12-23 | 1934-11-01 | Povl Adolf Nathansen | Apparatus for consolidating concrete and like plastic masses in situ |
| CN104911980A (en) * | 2015-06-01 | 2015-09-16 | 济南城建集团有限公司 | Concrete pavement casting vibration device and construction method thereof |
| CN205501782U (en) * | 2016-04-09 | 2016-08-24 | 李爱兰 | Concrete vibrating device |
| CN206233597U (en) * | 2016-10-15 | 2017-06-09 | 闫志刚 | A kind of construction concrete vibrating device |
| CN206319619U (en) * | 2016-12-30 | 2017-07-11 | 中铁十四局集团第二工程有限公司 | Concrete shocks rod |
| CN108663959B (en) * | 2018-06-07 | 2019-09-20 | 南京协和电子科技有限公司 | A kind of PTC controller showing software online updating by PWM cause for gossip |
| CN110306807A (en) * | 2019-07-18 | 2019-10-08 | 夏颖 | A kind of building concrete vibrator and application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979876A (en) * | 2020-08-21 | 2020-11-24 | 岳阳智博建筑工程有限公司 | Construction is with flat device that shakes |
| CN113356567A (en) * | 2021-06-03 | 2021-09-07 | 张忠良 | Intelligent template for building construction |
| CN113235937A (en) * | 2021-06-18 | 2021-08-10 | 江苏新大高空工程有限公司 | Concrete vibrating device convenient to location for chimney construction |
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Application publication date: 20200214 |
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