CN212550482U - Adjustable vibrator - Google Patents

Abstract

The utility model relates to an adjust formula vibrator, include the eccentric shaft that is connected with outside motor, fix the bearing on the bearing frame, axle cover and ventilation hood, axle cover top one side fixed mounting has the ventilation hood that extends to the bearing inside, the oil filler point has been seted up on the ventilation hood, it is fixed through the high strength bolt locking between axle cover and the bearing frame, ventilation hood outer wall one side edge department is equipped with the closing plate that is connected with the bearing frame, install the main drive end rather than the looks adaptation and driven end respectively through solid fixed ring in the eccentric shaft both ends, be connected through flexible coupling between main drive end and the eccentric shaft, and eccentric shaft inner wall bottom one side is equipped with the O type sealing washer that is connected with solid fixed ring, the oil drain hole stopper that is connected with the oil filler point is seted up to driven end one side, the. Has the advantages that: the utility model relates to a rationally, the safety and stability prevents that the driving medium from moving for a long time and producing the offset, and is sealed effectual.

Description

Adjustable vibrator

Technical Field

The utility model relates to a mechanical vibration device technical field, concretely relates to regulation formula vibrator.

Background

The working part of the vibrator is a rod-shaped hollow cylinder, an eccentric vibrator is arranged in the vibrator, the vibrator is driven by a motor to rotate at a high speed to generate high-frequency micro-amplitude vibration, the vibration frequency can reach 12000-15000 times/min, the vibrating effect is good, the structure is simple, and the service life is long. It is suitable for vibrating beam, column, wall and other members and large volume concrete.

Two eccentric blocks with equal symmetry are arranged on an eccentric shaft of each group of vibrators, and are driven by a motor transmission device under the support of a bearing, so that the eccentric shaft on each vibrator rotates to generate exciting force, when circular track vibration is carried out through a screen surface, materials are repeatedly thrown and fall along with the screen surface and roll forwards, and then the materials are separated and screened, the eccentric shaft moves periodically for a long time, certain deviation and displacement can be generated in the axial direction, the transmission effect of a structural member is greatly influenced, the stability inside the device is also influenced, meanwhile, when lubricating oil is injected, the injection amount of lubricating oil is not easily controlled and observed, and the using effect of the device is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stability can be strong, can compensate diaxon axis relative deviation and improve life and energy-conserving formula regulation formula vibrator, is realized through following scheme.

In order to realize the above purpose, the utility model discloses a technical scheme be: an adjustable vibrator comprises an eccentric shaft connected with an external motor, a bearing fixed on a bearing seat, a shaft cover and a ventilation cover, wherein the ventilation cover extending to the inside of the bearing is fixedly installed on one side of the top end of the shaft cover, an oil filling hole is formed in the ventilation cover, the adjustable vibrator is characterized in that the shaft cover and the bearing seat are locked and fixed through a high-strength bolt, a sealing plate connected with the bearing seat is arranged at one side edge of the outer wall of the ventilation cover, a driving end and a driven end matched with the eccentric shaft are respectively installed at two ends of the eccentric shaft through fixing rings, the driving end and the eccentric shaft are connected through a flexible coupling, an O-shaped sealing ring connected with the fixing rings is arranged on one side of the bottom end of the inner wall of the eccentric shaft, an oil discharging hole plug connected with the oil filling hole is formed in one side of the driven end, the oil discharging hole plug is installed on the fixing rings through, and one end of the outer wall of the ventilation cover is provided with a guide pipe connected with the oil drain hole plug, and the guide pipe is provided with an oil pointer for observing the oil quantity condition.

Furthermore, a sponge sleeve arranged outside the oil filling hole is arranged on the outer wall of the ventilation cover.

Furthermore, the two sides of the bottom end of the shaft cover are fixedly provided with supporting rings, and the supporting rings are provided with extension sections fixed with the external clamping.

Furthermore, the outer walls of the driving end and the driven end are provided with mounting holes extending to the bearing.

Furthermore, the edge of the guide pipe is detachably connected with fastening rings positioned on two sides of the oil pointer.

The technical effects of the utility model reside in that: the eccentric shaft is driven by the motor transmission device to rotate the eccentric shaft on the vibrator to generate exciting force, the high-strength bolt between the shaft cover and the bearing seat can effectively ensure the stability of an external component, when the driving end transmits power to the eccentric shaft, the flexible coupling can be used for connecting two different shafts (the driving end and the eccentric shaft) to rotate together to transmit torque, the rotors are allowed to have independent axial displacement, the shaft coupling which can have certain deviation in the centering of the two connected rotors can compensate the relative deviation of the axes of the two connected shafts, the length direction of the bearing seat is sealed with the framework connected with the eccentric shaft, the internal mechanism of the vibrator at the corner edge of multiple lengths can be effectively sealed and connected, the sealing plate can not be simply made, the adjustable vibrator greatly improves the service performance, has reasonable design and is safe and stable, prevent that the driving medium from long-time movement and producing the offset, sealed effectual.

Drawings

Fig. 1 is a schematic structural view of an adjustable vibrator of the present invention;

figure 2 is a right side view of the adjustable vibrator of the present invention.

Reference numerals: 1-eccentric shaft; 2-a bearing; 3-shaft cover; 4-a ventilation hood; 5-high-strength bolt; 6-sealing plate; 7-fixing the ring; 8-active end; 9-a driven end; 10-a flexible coupling; 11-O type sealing ring; 12-oil drain hole plug; 13-round rubber; 14-framework oil seal; 15-a catheter; 16-oil mark.

The specific embodiments,

Referring to the attached drawings 1-2, an adjustable vibrator comprises an eccentric shaft 1 connected with an external motor, a bearing 2 fixed on a bearing seat, a shaft cover 3 and a ventilation cover 4, wherein one side of the top end of the shaft cover 3 is fixedly provided with the ventilation cover 4 extending into the bearing 3, the ventilation cover 4 is provided with an oil filling hole, the shaft cover 3 and the bearing seat are locked and fixed through a high-strength bolt 5, a sealing plate 6 connected with the bearing seat is arranged at the edge of one side of the outer wall of the ventilation cover 4, the two ends of the eccentric shaft 1 are respectively provided with a driving end 8 and a driven end 9 which are matched with the eccentric shaft through fixing rings 7, the driving end 8 and the eccentric shaft 1 are connected through a flexible coupling 10, an O-shaped sealing ring 11 connected with the fixing rings 7 is arranged at one side of the bottom end of the inner wall of the eccentric shaft 1, and an oil drainage hole, the oil drain hole plug 12 is installed on the fixing ring 7 through round rubber 13, the driven end 9 and the eccentric shaft 1 are connected through a framework oil seal 14 along the length direction of the bearing seat, one end of the outer wall of the ventilation cover 4 is provided with a guide pipe 15 connected with the oil drain hole plug 12, and an oil pointer 16 used for observing the oil quantity condition is arranged on the guide pipe 15.

The concrete embodiment of this scheme does, be equipped with the sponge cover of arranging in the oil filler point outside on the 4 outer walls of cover ventilates, ventilate the sponge cover on the cover 4 and can effectually protect the outside of oil filler point on the one hand, on the other hand can adsorb unnecessary oil, and the oil pointer 16 on the pipe utilizes the relation of gas pressure can be timely observe the in service behavior of oilhole oil volume to carry out the ingestion of oil mass, 15 edges of pipe can dismantle the fastening ring that is connected with and is located 16 both sides of oil pointer, and the setting of dismantling the fastening ring on the pipe 15 can be convenient for open inside the pipe 15, carry out relevant maintenance and installation operation with this.

The concrete embodiment of this scheme does, the equal fixed mounting in 3 bottom both sides of axle housing has the filler ring, be equipped with on the filler ring with the fixed extension section of outside joint, all set up the mounting hole that extends to on the bearing on driving end 8 and the driven end 9 outer wall.

The concrete embodiment of this scheme does, and the outside good leakproofness of bearing frame can be guaranteed to the closing plate 6 of being connected with the cover 4 that ventilates on the bearing frame, avoids its inside cleanliness factor to be favorable to the normal work of device, and the cooperation of initiative end 8 driven end 9 can effectually transmit power, guarantees that eccentric shaft 1 can rotate, produces the exciting force, and then screens the separation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. An adjustable vibrator comprises an eccentric shaft (1) connected with an external motor, a bearing (2) fixed on a bearing seat, a shaft cover (3) and a ventilation cover (4), wherein the ventilation cover (4) extending into the bearing (2) is fixedly installed on one side of the top end of the shaft cover (3), an oil filling hole is formed in the ventilation cover (4), the adjustable vibrator is characterized in that the shaft cover (3) and the bearing seat are locked and fixed through a high-strength bolt (5), a sealing plate (6) connected with the bearing seat is arranged on one side edge of the outer wall of the ventilation cover (4), a driving end (8) and a driven end (9) matched with the driving end and the driven end are respectively installed at two ends of the eccentric shaft (1) through fixing rings (7), the driving end (8) is connected with the eccentric shaft (1) through a flexible coupling (10), and an O-shaped sealing ring (11) connected with the fixing rings (7) is arranged on one side of the bottom, oil drain hole stopper (12) that are connected with the oil filler point are seted up to driven end (9) one side, oil drain hole stopper (12) are installed on solid fixed ring (7) through circle rubber (13), be connected through skeleton oil blanket (14) along bearing frame length direction between driven end (9) and eccentric shaft (1), the outer wall one end of cover (4) of ventilating is equipped with pipe (15) that are connected with oil drain hole stopper (12), offer on pipe (15) and be used for observing oil pointer (16) of the oil mass condition.

2. The adjustable vibrator according to claim 1, wherein the outer wall of the air permeable cover (4) is provided with a sponge cover placed outside the oil filling hole.

3. The adjustable vibrator according to claim 1, wherein supporting rings are fixedly mounted on two sides of the bottom end of the shaft cover (3), and extension sections fixed with an external clamping connection are arranged on the supporting rings.

4. The adjustable vibrator according to claim 1, wherein the outer walls of the driving end (8) and the driven end (9) are provided with mounting holes extending to the bearings.

5. Adjustable vibrator according to claim 1, characterized in that fastening rings on both sides of the oil pointer (16) are detachably attached at the edges of the conduit (15).

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