CN210233391U - PC component molding combined vibration source - Google Patents

Abstract

A PC member forming combined vibration source belongs to the field of precast concrete member equipment. The technical scheme of the utility model is that: the combined vibration source consists of a frequency converter, a support and an eccentric concrete vibrator, wherein the frequency converter is fixed on the support, and a plurality of eccentric concrete vibrating rods are uniformly distributed on the support; an end cover of a motor of the eccentric concrete vibrator is connected with the support through a connecting seat, the connecting seat is connected with a machine head, the machine head is connected with a hose assembly, the hose assembly is connected with a rod shell, and the rod shell is connected with the tip; the output shaft of the motor is connected with a flexible shaft assembly through an anti-reverse device, the flexible shaft assembly is connected with an eccentric shaft, and two ends of the eccentric shaft are supported on a high-speed bearing; the frequency, the amplitude, the vibration acceleration and other parameters of the eccentric concrete vibrator can be adjusted by adjusting the frequency of the frequency converter, so that the requirements of different working conditions are met. The beneficial effects are that: the production efficiency is high, and closely knit effectual, the modern design, rational in infrastructure, easy and simple to handle, maintenance are safe and reliable.

Description

PC component molding combined vibration source

Technical Field

A PC member forming combined vibration source belongs to the field of precast concrete member equipment.

Background

With the continuous and high-speed development of national economy in China, PC (concrete prefabricated part) is more and more widely applied to the fields of buildings, traffic, water conservancy and the like, and plays an important role in national economy. PC is an english abbreviation of precast concrete, and is called a PC member in the field of housing industrialization, and refers to a concrete product produced by standardized and mechanized methods in factories, such as a precast reinforced concrete column foundation, a precast steel structural steel column foundation, a precast floor slab, a wall, a laminated slab, a balcony, an air-conditioning slab, a stair, a precast beam, a precast column, and the like. Compared with cast-in-place concrete, the concrete prefabricated member produced in a factory has the unique advantages of practically ensuring the structural mechanical property, remarkably accelerating the construction progress, having good product quality, repeatedly and circularly using a mould, having less requirement on labor, low comprehensive cost, energy conservation and environmental protection, obviously reducing dust pollution and noise pollution and the like, the assembly type building is developed vigorously to become the national strategy of China, the prefabricated rate pushed by various governments is required to be more than 20%, and some prefabricated components are even required to be 70%, so that the prefabricated member has good development prospect. The PC production line is produced by the production line, and mainly comprises tray circulating equipment, a cleaning device, a release agent spraying device, a plotting device, a mold placing mechanical arm, a concrete distributing machine, concrete vibration compacting equipment, a turnover device, stacking equipment, a floating device, a mold removing mechanical arm, a dumping device, concrete curing equipment, stacking and storing and transporting equipment and the like. As for the concrete vibrating compacting equipment, there are two types used in the PC production line: firstly, the planetary concrete vibrating spear cannot start vibration by itself, and has low production efficiency; secondly, the motor built-in concrete vibrating spear requires vibration to be densely and completely embedded in concrete, but PC member concrete is thinner and cannot be embedded into the spear, so that the heat dissipation performance is poor, and the motor is easy to burn out;

therefore, concrete vibrating compaction equipment has become a prominent problem restricting the development of PC production lines. The drawback of the dense equipment of concrete vibration that present used on the PC production line is waited for to overcome, and the innovation develops a novel PC component shaping combination vibration source to satisfy the urgent need of assembly type building rapid development to the PC production line.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the drawback of the closely knit equipment of concrete vibration that has used on the PC production line now, innovation development a neotype PC component shaping combination vibration source.

The technical scheme of the utility model is that: the combined vibration source consists of a frequency converter, a support and eccentric concrete vibrators, wherein the frequency converter is fixed on the support, and the eccentric concrete vibrators are uniformly distributed; an end cover of a motor of the eccentric concrete vibrator is connected with the support through a connecting seat, the connecting seat is connected with a machine head, the machine head is connected with a hose assembly, the hose assembly is connected with a rod shell, and the rod shell is connected with the tip; the output shaft of the motor is connected with a flexible shaft assembly through an anti-reverse device, the flexible shaft assembly is connected with an eccentric shaft, and two ends of the eccentric shaft are supported on a high-speed bearing; the frequency, the amplitude, the vibration acceleration and other parameters of the eccentric concrete vibrator can be adjusted by adjusting the frequency of the frequency converter, so that the requirements of different working conditions are met.

The utility model has the advantages that: the concrete vibration compacting device effectively solves the outstanding difficult problem that the existing concrete vibration compacting device restricts the development of a PC production line, can automatically start vibration, has high production efficiency, long service life, good compacting effect, strong adaptability, labor and time saving, novel design, reasonable structure, comfortable operation, simple and convenient maintenance, safety and reliability, and realizes mechanization.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially sectional view schematically showing the structure of the eccentric concrete vibrator 3 of fig. 1.

Fig. 3 is a schematic sectional view showing the structure of the check tool 3-1 in fig. 2.

Detailed Description

The details and the working process of the present invention are explained in detail with reference to the drawings of the present invention. It is clear that the described embodiment is only one embodiment of the invention, not all embodiments. Based on the embodiments in the present invention, other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention. The device comprises a combined vibration source consisting of a frequency converter 1, a support 2 and eccentric concrete vibrators 3, wherein the frequency converter 1 is fixed on the support 2, and the eccentric concrete vibrators 3 are uniformly distributed; an end cover of a motor 3-2 of the eccentric concrete vibrator 3 is connected with the support 2 through a connecting seat 3-3, the connecting seat 3-3 is connected with a machine head 3-4, the machine head 3-4 is connected with a hose assembly 3-5, the hose assembly 3-5 is connected with a rod shell 3-9, and the rod shell 3-9 is connected with a tip 3-10; an output shaft of the motor 3-2 is connected with a flexible shaft assembly 3-6 through an anti-reverse device 3-1, the flexible shaft assembly 3-6 is connected with an eccentric shaft 3-8, and two ends of the eccentric shaft 3-8 are supported on high-speed bearings 3-7; the frequency, the amplitude, the vibration acceleration and other parameters of the eccentric concrete vibrator 3 can be adjusted by adjusting the frequency of the frequency converter 1, so that the requirements of different working conditions are met. The anti-reverse device 3-1 is connected with an output shaft of the motor 3-2, a flat key 3-1-5 is arranged between the anti-reverse device and the output shaft, and the anti-reverse device is fastened by a fastening screw 3-1-1; the lower part is connected with a flexible shaft plug of a flexible shaft component 3-6, and a pushing block 3-1-3 is arranged in a groove of the flexible shaft plug and then fixed by a pin 3-1-2; the lower end of the shaft is provided with a retainer ring 3-1-4 for the shaft. In this embodiment, the flexible shafts in the flexible shaft assemblies 3-6 are specially-made high-speed flexible shafts, and the eccentric concrete vibrators 3 are four, and can be conveniently changed into six or eight flexible shafts according to the specific structures of various PC components and the need of compact pouring. The anti-reverse device 3-1 ensures that the special high-speed flexible shaft in the flexible shaft assembly 3-6 rotates according to the specified rotation direction without loosening, and ensures that all parts of the eccentric concrete vibrator 3 are reliably connected and are tighter and tighter. The utility model discloses a working process is such: after the installation of the ground supporting devices of all the equipment and the related accessories of all the equipment in the PC production line installation raw material processing area, the reinforcing mesh processing area, the PC circulating production area and the maintenance storage area are completed, the verticality and the levelness of the ground supporting devices are checked and adjusted, electric wiring is carried out, all the equipment are connected through cables, the normal operation of the equipment is realized, after the construction procedures of spraying a release agent, distributing and the like are completed in tray circulating equipment, the forming combined vibration source is placed on the cast-in-place concrete to be vibrated and compacted, all parts of the machine are checked to be correct, the frequency converter 1 is started, the rod body of the eccentric concrete vibrator 3 is inserted into the cast-in-place concrete, and the concrete is dragged to advance. The output shaft of the motor 3-2 of the eccentric concrete vibrator 3 drives the flexible shaft assembly 3-6 through the anti-reverse device 3-1 to drive the eccentric shaft 3-8 supported on the high-speed bearing 3-7 to rotate, so as to generate centrifugal force to act on the rod shell 3-9 and the pointed end 3-10 to form disturbing force on concrete, the friction resistance between the concrete is overcome, the concrete is approximately in a flowing state, relative motion and rearrangement are carried out, air bubbles in the PC component are continuously removed, the concrete is vibrated and compacted, and the PC component meeting the requirements is obtained. The utility model has the advantages that: the concrete vibration compacting device effectively solves the outstanding difficult problem that the existing concrete vibration compacting device restricts the development of a PC production line, can automatically start vibration, has high production efficiency, long service life, good compacting effect, strong adaptability, labor and time saving, novel design, reasonable structure, comfortable operation, simple and convenient maintenance, safety and reliability, and realizes mechanization.

Claims (2)

1. A PC component shaping combination vibration source which characterized in that: the combined vibration source consists of a frequency converter (1), a support (2) and eccentric concrete vibrators (3), wherein the frequency converter (1) is fixed on the support (2), and the eccentric concrete vibrators (3) are uniformly distributed; an end cover of a motor (3-2) of the eccentric concrete vibrator (3) is connected with the support (2) through a connecting seat (3-3), the connecting seat (3-3) is connected with a machine head (3-4), the machine head (3-4) is connected with a hose assembly (3-5), the hose assembly (3-5) is connected with a rod shell (3-9), and the rod shell (3-9) is connected with a tip (3-10); an output shaft of the motor (3-2) is connected with a flexible shaft assembly (3-6) through an anti-reverse device (3-1), the flexible shaft assembly (3-6) is connected with an eccentric shaft (3-8), and two ends of the eccentric shaft (3-8) are supported on high-speed bearings (3-7); the frequency, the amplitude, the vibration acceleration and other parameters of the eccentric concrete vibrator (3) can be adjusted by adjusting the frequency of the frequency converter (1), so that the requirements of different working conditions are met.

2. A PC component molding compound vibration source as claimed in claim 1, wherein: the anti-reverse device 3-1 is connected with an output shaft of the motor 3-2, a flat key 3-1-5 is arranged between the anti-reverse device and the output shaft, and the anti-reverse device is fastened by a fastening screw 3-1-1; the lower part is connected with a flexible shaft plug of a flexible shaft component 3-6, and a pushing block 3-1-3 is arranged in a groove of the flexible shaft plug and then fixed by a pin 3-1-2; the lower end of the shaft is provided with a retainer ring 3-1-4 for the shaft.

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