CN206360370U

CN206360370U - High frequency concrete vibration bar

Info

Publication number: CN206360370U
Application number: CN201621444609.9U
Authority: CN
Inventors: 盛林风
Original assignee: Zhejiang Shield Intelligent Technology Co Ltd
Current assignee: Zhejiang Shield Intelligent Technology Co Ltd
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2017-07-28
Anticipated expiration: 2026-12-27

Abstract

The utility model is related to high frequency concrete vibration bar, including caput, caput sets steel pipe socket, brshless DC motor is installed in steel pipe socket, eccentric block in steel pipe socket is installed on the output shaft of rotor, the rear end connection leather hose of steel pipe socket, the power end connection power line of motor, power line is connected after passing through leather hose with driver；High frequency concrete vibration bar, electric machine built-in without external heavy induction machine, one man operation, and substantially reduces in vibration caput and is easily caused accident probability in work high above the ground such as casting beams, posts.Sound is light when high frequency concrete vibration bar is operated, in the absence of disturbing residents, and is more suitable for the construction such as night, tunnel.Electric machine built-in is in the built-in eccentric block of straight driving in vibrating head, and without using flexible axle, leather hose is not shaken, and operator uses safety.Using mains-supplied, facilitate bracing wire；That the motor feels hot is small, moment of torsion big, not easy burn-out, and internal without position sensors such as Halls, improves that complete machine is reliable and the life-span.

Description

High frequency concrete vibration bar

Technical field

The utility model is related to Architectural Equipment technical field, and in particular to the high frequency concrete vibration bar of concrete formation.

Background technology

Conventional concrete vibrating head, power resources are used as using mouse cage (sensing) motor；Squirrel-cage motor is external, sufficiently bulky And it is heavy, 2 people's operations are needed during operation, accident is easily caused in work high above the ground such as casting beams, posts；Conventional concrete is vibrated Rod, operational sound is big and disturbs residents, usually above 150 decibels, close to injury hearing；Conventional concrete vibrating head, it is external when using Large volume induction machine is by flexible axle by power transmission to the eccentric block for vibrating caput, and leather hose shake is strong to injure operative employee's person Body；And because using soft axle transmission, leather hose can not bend, easily stuck during operation.Leather hose can not be long simultaneously, and generally less than 5 Rice, many application scenarios, which can not be used, (quickly pours the application such as bridge pier, pillar, it is necessary to one section one section pours, waits previous section concrete The preceding paragraph again after dry, wastes time and energy).Other squirrel-cage motor shortcoming energy consumption efficiency itself is low, and heating is severe, easily burns motor, Short life；The sensing of conventional concrete vibrating head is 50Hz alternating currents, preferable 3000 turns of vibration frequency, but because induction efficiency It is low, about 2000 turns of actual vibration frequency (about 33.3Hz), be significantly less than 8000 turns of concrete resonant frequency (about 133Hz)~ 13000 turns (about 220Hz), preferably 12000 turns (200Hz), causing pouring to come out, honeycomb is more, and construction quality must not ensure.Pass System vibrating head is powered often is powered using AC 380V, rare 220V and 110V (Countries) alternating current, and it is tired that rural area transformation connects electricity Difficulty, is powered more dangerous compared to AC 220V and AC 110V using AC 380V.

Utility model content

Technical problem to be solved in the utility model is to provide high frequency concrete vibration bar, overcomes the shortcomings of background technology Part.

The technical scheme that the utility model solves above-mentioned technical problem is as follows：High frequency concrete vibration bar, it is characterised in that： Including caput, the caput includes being provided with brshless DC motor in steel pipe socket, the steel pipe socket, and the brshless DC motor turns Eccentric block in the steel pipe socket is installed, the rear end connection leather hose of the steel pipe socket is described brushless on the output shaft of son The power end of direct current generator is connected with point source line, and the power line is connected after passing through leather hose with driver, and driver passes through one Earth leakage protective device connects 110V~250V alternating currents, and incoming frequency is 50~60Hz.

Remarkable result：High frequency concrete vibration bar, electric machine built-in is in vibration caput, without external heavy induction machine, one People operates, and saves one manually, substantially reduces and be easily caused accident probability in work high above the ground such as casting beams, posts.

Driver is used without Hall control technology, can without Hall sensor, brshless DC motor inside brshless DC motor It is high by property, improve that complete machine is reliable and service life.Brshless DC motor is controlled using without Hall control technology simultaneously, is solved There is error in inductive frequency conversion formula dither rod speed, the problem of easily motor is burnt in heating, and breaking through brshless DC motor can not be in height The bottleneck of frequency concrete vibration bar reliability application.

Built in brshless DC motor, the high frequency concrete vibration bar sound is light, in the absence of disturbing residents, is more suitable for night, tunnel Construct in road etc..

Brshless DC motor is built in the built-in eccentric block of straight driving in vibrating head, and without using flexible axle, leather hose is not shaken, no Operator's body can be injured.Because without flexible pipe, leather hose bends will not be stuck.Simultaneously in the absence of leather hose length issue, typically may be used Up to more than 50 meters, be easy to high ferro bridge pier quickly to pour, elongated deep-well pour etc. construction.External motor driver, monitoring is real in real time Border frequency carrys out controlled motor vibration frequency, matches concrete resonant frequency, greatly reduces honeycomb, improves construction quality.

Variable frequency induction motor (threephase asynchronous machine or the mouse-cage electric used compared to existing high frequency concrete vibration bar technology Machine) plus frequency converter scheme, the utility model uses brshless DC motor technology, compared to variable frequency induction the motor feels hot low, efficiency high, Torque is big, long lifespan, the advantages of being difficult to burn.

Further, the brshless DC motor is permagnetic synchronous motor or DC brushless motor, the brshless DC motor Stator coil outside, including rotor magnet.

Using the beneficial effect of further technical scheme：Using brshless DC motor, itself possess small volume, efficiency high, The features such as moment of torsion is big, same volume is big compared to other powers of motor, is easy to set in the steel pipe socket for being installed to vibrating head, efficiency high Motor, generates heat small, is difficult to burn motor, long lifespan.

Further, interval is provided with some groups of bearings on the output shaft of the rotor, and the eccentric block is located at two adjacent groups Between the bearing.

Using the beneficial effect of further technical scheme：Interval is provided with multigroup bearing on the output shaft of rotor, generally Motor or eccentric block are installed, bearing can bear high pressure during vibrations, and Stability Analysis of Structures is reliable between 3-5 groups, two adjacent groups bearing.

When actual use, before output shaft in after be respectively mounted a bearing, can typically distinguish at eccentric block most two ends Set and add one, most 6, at least three in the middle of 2 bearings arranged side by side, eccentric block.

Further, the front end caput of the steel pipe socket coordinates with the steel pipe external threading and installed.

Using the beneficial effect of further technical scheme：Front end caput coordinates with steel pipe external threading to be installed, dimension easy to disassemble Assembling when repairing and producing.

Further, the driver is connected with several caputs by electric wire, for driving several caputs respectively.

Using the beneficial effect of further technical scheme：Driver can drive multiple caputs simultaneously, be easy to be applied to work Factory's prefabricated board, bridge, bubble brick etc. are produced in batches, consolidate quality.

Brief description of the drawings

Fig. 1 is the internal structure schematic diagram of the caput of high frequency concrete vibration bar；

Fig. 2 is the sectional view of the caput of high frequency concrete vibration bar.

Embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

As shown in figure 1, high frequency concrete vibration bar, including caput, caput includes installing in steel pipe socket 1, the steel pipe socket 1 There is brshless DC motor 2, the brshless DC motor 2 is permagnetic synchronous motor or DC brushless motor.The output of rotor 5 Interval is provided with two groups of bearings 3 on axle, and every group of bearing includes more than one bearing being arranged side by side.Installed between two groups of bearings 3 Eccentric block 4.The rear end connection leather hose of steel pipe socket 1, the power end of the brshless DC motor 2 is connected with point source line, the electricity Source line is connected after passing through leather hose with driver.The front end caput 6 of steel pipe socket 1 coordinates with the screw thread of steel pipe socket 1 to be installed.

Driver can also be connected with the caput of several high frequency concrete vibration bars, for driving multiple high frequency concrete Vibrating head array, is easy to be applied to the batch production such as prefabrication plate, bridge, bubble brick, consolidates quality.

High frequency concrete vibration bar of the present utility model, brshless DC motor 2 is built in the steel pipe socket 1 of vibrating head, nothing External heavy induction machine, one man operation saves one manually, substantially reduces and hold in work high above the ground such as casting beams, posts It is easily caused accident probability.Built in brshless DC motor, concrete vibration bar sound is light, in the absence of disturbing residents, is more suitable for night, tunnel Construct in road etc..Electric machine built-in is in the built-in eccentric block of straight driving in vibrating head, and without using flexible axle, leather hose is not shaken, and will not injure Operator's body.Because without flexible pipe, leather hose bends will not be stuck.It is general up to 50 meters simultaneously in the absence of leather hose length issue More than, be easy to high ferro bridge pier quickly to pour, elongated deep-well pour etc. construction.External motor driver, monitors actual frequency in real time Carry out controlled motor vibration frequency, commonly use 8000-13000 and turn permanent rotating speed, preferably 12000 turns, match concrete resonant frequency, greatly It is big to reduce honeycomb, improve construction quality.

Driven using brshless DC motor 2, brshless DC motor small volume, torque are big, are easy to pacify brshless DC motor It is attached in the steel pipe socket of vibrating head, brshless DC motor 2, efficiency high, moment of torsion is big, generates heat small, is difficult to burn motor, long lifespan is prolonged The service life of the long high frequency concrete vibration bar.

Other high frequency concrete vibration bar of the present utility model uses brshless DC motor 2, coordinates brshless DC motor to drive Dynamic device, efficiency high, exciting force is big；The high frequency concrete vibration bar, using 110V~250V AC-powereds, facilitates bracing wire, solution The problems such as having determined as transformed not easy-to-draw electric in rural area.

Caput as shown in Figure 2, is provided between two eccentric blocks 4, two eccentric blocks 4 and is reserved with for installing bearing Space, can be in reserved place's increase bearing if caput vibrations dynamics is larger.In the other end of motor, also one fixed use Small bearing 7.The rear end of caput is the connection end 8 of connection leather hose, and the middle part of connection end 8 sets live wire to pass through and brushless direct-current The hole that motor 2 is connected.Brshless DC motor 2 includes stator 9, and stator 9 includes wound around coil on steel disc, steel disc, in stator Rotor portion be enclosed with permanent magnet.

Finally, preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

In addition at brshless DC motor two ends, eccentric block two ends, part eccentric block is larger, can be divided into 2 pieces of eccentric blocks, in Between add bearing trimming moment.

Claims

1. high frequency concrete vibration bar, it is characterised in that：Including caput, the caput includes steel pipe socket (1), the steel pipe socket (1) it is provided with brshless DC motor (2), the output shaft of brshless DC motor (2) rotor and is provided with positioned at the steel in Eccentric block (4) in pipe sleeve (1), the rear end connection leather hose of the steel pipe socket (1), the power end of the brshless DC motor (2) Point source line is connected with, the power line is connected after passing through leather hose with driver, and driver meets 110V by an earth leakage protective device ~250V alternating currents, alternating current incoming frequency is 50~60Hz.

2. high frequency concrete vibration bar according to claim 1, it is characterised in that the brshless DC motor (2) is forever Magnetic-synchro motor or DC brushless motor, brshless DC motor (2) stator coil outside, including rotor magnet.

3. high frequency concrete vibration bar according to claim 1, it is characterised in that peace is spaced on the output shaft of the rotor Equipped with some groups of bearings (3), the eccentric block (4) is located between bearing (3) described in two adjacent groups.

4. high frequency concrete vibration bar according to claim 1, it is characterised in that the front end caput of the steel pipe socket (1) (6) coordinate with the steel pipe socket (1) screw thread and install.

5. high frequency concrete vibration bar according to claim 1, it is characterised in that the driver leads to several caputs Electric wire connection is crossed, for driving several caputs respectively.