CN2547815Y - Sound-insulating concrete vibrating stick - Google Patents
Sound-insulating concrete vibrating stick Download PDFInfo
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- CN2547815Y CN2547815Y CN 02217597 CN02217597U CN2547815Y CN 2547815 Y CN2547815 Y CN 2547815Y CN 02217597 CN02217597 CN 02217597 CN 02217597 U CN02217597 U CN 02217597U CN 2547815 Y CN2547815 Y CN 2547815Y
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- shaft
- bearing
- sun gear
- shell
- pinion
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Abstract
The utility model provides a sound-insulating concrete vibrating stick, comprising a hollow vibrating body, wherein the inner part of the vibrating body can be movably provided with an eccentric shaft, one end of the vibrating body is provided with a speed change device which comprises a power input shaft and an output shaft, the output shaft of the speed change device is connected with the eccentric shaft and can drive the eccentric shaft to rotate at a high speed. The vibrating stick of the utility model can not only lower the noise generated when the vibrating stick works, but also greatly improve the vibratory force of the vibrating stick, thereby effectively compacting concrete.
Description
Technical field
The utility model relates to a kind of building operations apparatus, relates in particular to a kind of improved concrete vibration bar.
Background technology
In the existing technology, low-noise concrete poker virbrator generally all is to adopt the flexible pipe transfer torque, and because the maximum speed of flexible pipe transfer torque is subjected to the restriction of each side such as its material, thereby concrete vibration bar ubiquity vibration force of the prior art does not reach requirement, can't be with defectives such as concrete tampings, Chinese invention patent CN2259984 as Chinese patent notice of authorization on August 20th, 1997 discloses a kind of low-noise concrete poker virbrator, this concrete vibration bar is by excellent shell, be installed on the drive end bearing bracket at excellent shell two ends respectively, rear end cap and form by the eccentric shaft that bearing is installed in the excellent shell, though the noise that this concrete vibration bar has produced when having reduced vibration also exists as above-mentioned vibration force not enough, can't be with problems such as concrete tampings.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of concrete vibration bar rational in infrastructure is provided, the noise when it can not only reduce vibrating head work, and can improve vibration force, effective tamped concrete greatly.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this silent concrete vibrating rod, comprise a hollow vibrating body, the inside of described vibrating body is rotatably mounted with an eccentric shaft, one end of described vibrating body is provided with a speed change gear, described speed change gear comprises a power input shaft and an output shaft, and the output shaft of described speed change gear links to each other with described eccentric shaft and drives described eccentric shaft and rotates at a high speed.
Described speed change gear can comprise shell and be installed on the interior speed changer of shell, the outer casing inner wall partial operation has internal tooth, and it constitutes described speed changer with at least one pinion that a sun gear shaft that is positioned at the shell middle part and while are meshed with this sun gear shaft and shell internal tooth; Described pinion is rotatably installed on the support, and support links to each other with described power input shaft, and described sun gear shaft links to each other with described eccentric shaft.Described support comprises axially all in the form of annular discs at a distance of the upper and lower tooth rest of upper and lower tooth rest of certain distance, the cog upper surface of frame links to each other with power input shaft, have through hole in the middle of the lower tooth wheel carrier, the periphery of upper and lower tooth rest all is evenly equipped with at least one aperture in order to the two ends axle journal that supports described pinion.
Described speed change gear also can comprise shell and be installed on the interior speed changer of this shell, described speed changer comprises an internal gear, is positioned at a sun gear shaft at this internal gear middle part and at least one pinion that is meshed with this internal gear and sun gear shaft simultaneously, described pinion is installed on the support regularly, described internal gear links to each other with described power input shaft, and described sun gear shaft links to each other with described eccentric shaft.Described support comprises an end plate and is installed on this end plate and axially at a distance of two tooth rests of certain distance, and each tooth rest is the disk that has through hole in the middle of, and its periphery is evenly equipped with at least one hole, in order to the axle journal at the two ends of supporting described pinion.
Described sun gear shaft and described power shaft are installed on the inside of described shell respectively by bearing A, B; The side of described bearing A is provided with baffle plate, baffle plate outside mechanical seal; The side of described bearing B also is provided with baffle plate, baffle plate outside mechanical seal, and the opposite side of described bearing B is provided with a support ring, and described support ring is provided with sealing ring.
Described bearing A is made up of one or two bearing, and bearing B is made up of two bearings.
The two ends of described eccentric shaft are supported in respectively on a ball bearing and the thrust bearing, one end head exceeds described ball bearing and is screwed onto with described sun gear shaft, its another termination exceeds described thrust bearing, is formed with the plane that at least one pair of is parallel to each other on it.
The other end of described vibrating body is equipped with a drive end bearing bracket.
Compared with prior art, advantage of the present utility model is: on the one hand, because eccentric shaft is rotatably mounted in the vibrating body, thus the noise that produces when having reduced vibrating head work greatly; On the other hand, because an end of vibrating body has been installed speed change gear, the speed of flexible pipe input torque can be adjusted by this speed change gear, thereby the moment of torsion of output fair speed, drive eccentric shaft and rotate at a high speed, because square be directly proportional (F=ma, the a=A of vibration force and rotating speed
ω 2, ω=π n, F represents vibration force in the formula, a represents acceleration, m represents the eccentric shaft quality, and A represents amplitude, and n represents rotating speed), thus vibration force improved greatly, effectively tamped concrete, and this vibrating head reasonable integral structure, compactness, mechanical strength is big, meets various concrete construction requirements.
Description of drawings
Fig. 1 is the general structure sectional view of the utility model embodiment 1, for clarity sake, among the figure speed changer has partly been carried out revolved section;
Fig. 2 is the A-A sectional view of Fig. 1, there is shown the engagement of shell internal tooth, pinion and sun gear shaft;
Fig. 3 is the elevation that is used to install the support of pinion shown in Figure 1, there is shown the composition structure of support;
Fig. 4 be the B of Fig. 3 to view, there is shown the distribution in hole on the support;
Fig. 5 is the C-C sectional view of Fig. 1, there is shown the cross sectional shape of a termination of eccentric shaft;
Fig. 6 is the D-D sectional view of Fig. 1, there is shown the cross sectional shape at eccentric shaft middle part.
Fig. 7 is the general structure schematic diagram of the utility model embodiment 2;
Fig. 8 is the E-E sectional view of Fig. 7, there is shown the engagement of internal gear, pinion and sun gear shaft;
Fig. 9 is the elevation that is used to install the support of pinion shown in Figure 7, there is shown the composition structure of support;
Figure 10 be the F of Fig. 9 to view, there is shown the distribution in hole on the support.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1-6, as a kind of embodiment of the present utility model, silent concrete vibrating rod as shown in the figure, comprise a hollow vibrating body 1, the inside of described vibrating body 1 is rotatably mounted with an eccentric shaft 2, and an end of described vibrating body 1 is equipped with a speed change gear 3, and described speed change gear 3 comprises a power input shaft 301 and an output shaft, this output shaft is the sun gear shaft 314,324 in the speed changer, and it links to each other with described eccentric shaft 2 and drives the rotation at a high speed of described eccentric shaft 2; The other end of described vibrating body 1 is equipped with a drive end bearing bracket 4, thereby this end of vibrating body is sealed, and can prevent effectively that concrete and dust from entering the inside of vibrating body 4.
As shown in fig. 1, described speed change gear 3 comprises shell 311 and the speed changer that is installed in the shell 311, described outer casing inner wall partial operation has internal tooth 312, and it constitutes described speed changer with at least one pinion 313 that a sun gear shaft 314 that is positioned at the shell middle part and while are meshed with this sun gear shaft 314 and shell internal tooth 312; In the embodiment that the utility model provides, as shown in Figure 1, 2, be provided with 313, three pinions 313 of three pinions altogether and all be rotatably installed on the support 315, evenly distribute.Described support 315 links to each other with described power input shaft 301, and described power input shaft 301 links to each other with motor by flexible pipe; Described sun gear shaft 314 links to each other with described eccentric shaft 2 as the output shaft of this speed change gear.The operating principle of this speed changer is as follows: when power input shaft 301 rotates under driven by motor, because support 315 is connected with power shaft 301, support 315 and rack-mount pinion 313 also rotate together, and internal tooth 312 engagements of pinion 313 and shell, thereby force pinion 313 when doing revolution, to make spinning motion again, and the sun gear shaft 314 of drive and pinion rotate.The characteristics of this speed changer are that rational in infrastructure, mechanical strength is big, long working life, have higher output torque.
In the above-mentioned embodiment that provides, described three pinions 313 all are rotatably installed on the support 315, shown in Fig. 1,3, described support 315 comprises axially the upper and lower tooth rest 3151,3152 of certain distance apart, because support 315 is connected with power input shaft 301, therefore the frame 3151 that cogs that links to each other with power input shaft 301 will have enough intensity.This support 315 can adopt when installing many as shown in the figure step pin axle 3,153 two tooth rests are fixed and are made the certain axial distance of maintenance between two tooth rests, as shown in Figure 4, the frame 3151 that cogs is in the form of annular discs, its upper surface and power input shaft 301 welding are fixing, periphery is evenly equipped with three holes 3154, in order to the axle journal at the two ends of supporting three described pinions, thereby three pinions 313 are rotatably installed on this support 315.Lower tooth wheel carrier 3152 is the disk that has through hole in the middle of, and its periphery also is evenly equipped with three apertures 3154 in order to the two ends axle journal that supports described pinion.
As shown in fig. 1, described sun gear shaft 314 and described power shaft 301 are installed on the inside of described shell 311 respectively by bearing A, B302,303, bearing A302 is made up of one or two bearing, bearing B303 then is made up of two bearings, to guarantee that bearing has enough intensity and makes radially beat not of power shaft 301.The inboard of bearing B303 is provided with a support ring 306, and support ring 306 is provided with sealing ring 307; And bearing A, B302,303 the outside be equipped with one with the fixing baffle plate 304,305 of shell 311 inwalls welding, baffle plate carries out mechanical seal outward, to prevent the leakage of the lubrication oil in the shell.
Referring to Fig. 1, the two ends of described eccentric shaft 2 are supported in respectively on a ball bearing 21 and the thrust bearing 22, one end head exceeds described ball bearing 21 and is screwed onto with described sun gear shaft 314, its another termination exceeds described thrust bearing 22, as shown in Figure 5, be formed with at least one pair of plane that is parallel to each other 23 on this termination, when described sun gear shaft 314 is connected with described eccentric shaft 2, available spanners etc. are clamped the plane of this pair of parallel, prevent that eccentric shaft 2 and sun gear shaft 314 1 from running up.
In the foregoing description that provides, as shown in Figure 6, the cross sectional shape of described eccentric shaft is oval, and this moment, the vibrating effect of vibrating body was fine.
In use, motor drives described power input shaft 301 by flexible pipe and rotates, power input shaft 301 drives support 315 and rotates, by pinion 313, the rotation at a high speed of the described eccentric shaft 2 of shell internal tooth 312 and sun gear shaft 314 speedup rear drives, thereby obtain bigger vibration force, effectively with the concrete tamping.
Fig. 7-9 is another kind of embodiment of the present utility model, and its structure is identical with last embodiment basically, and the structure that its main distinction is speed changer is different.Referring to Fig. 7, Fig. 8, this speed changer comprises that one is installed in the internal gear 322 in the shell 321, at least one pinion 323 that is positioned at this internal gear middle part one sun gear shaft 324 and is meshed with this internal gear 322 and sun gear shaft 324 simultaneously, in the embodiment that provides, as Fig. 7, shown in 8, also be provided with three pinions 323 altogether, three pinions are uniformly distributed in the internal gear 322 and also are meshed with this internal gear 322 and sun gear shaft 324 simultaneously, described internal gear 322 links to each other with described power input shaft 301, and described power input shaft 301 links to each other with motor by flexible pipe; Described sun gear shaft 324 also links to each other with described eccentric shaft 2 as the output shaft of this speed changer.Described three pinions 323 all are fixed on the support 325, the structure of this support is also basic consistent with the supporting structure among the last embodiment, as Fig. 7, shown in 9, described support 325 comprises an end plate 3253 and is installed on this end plate and axial two tooth rests 3251 at a distance of certain distance, 3252, also can adopt during installation many as shown in the figure step pin axle 3254 be installed on two tooth rests on the end plate 3253 and make tooth rest 3251, keep certain axial distance between 3252, as shown in figure 10, each tooth rest is a middle disk that has through hole, its periphery is evenly equipped with three holes 3255, in order to the axle journal that supports three described pinion two ends and three pinions are fixed on the support.This speed changer is owing to exist the gap between internal gear 323 and shell 321 inwalls, and its mechanical strength of the speed changer of more last embodiment is little and processing is difficult.
It is that motor drives described power input shaft 301 rotations by flexible pipe in use, drives internal gears 322 by power input shaft 301 and rotates, by pinion 323 and the rotation at a high speed of the described eccentric shaft 2 of sun gear shaft 324 speedup rear drives.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; relevant those skilled in the art; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (9)
1, a kind of silent concrete vibrating rod, comprise a hollow vibrating body (1), the inside of described vibrating body (1) is rotatably mounted with an eccentric shaft (2), it is characterized in that: an end of described vibrating body (1) is provided with a speed change gear (3), described speed change gear (3) comprises a power input shaft (301) and an output shaft, and the output shaft of described speed change gear links to each other with described eccentric shaft (2) and drives described eccentric shaft (2) rotation at a high speed.
2, silent concrete vibrating rod as claimed in claim 1, it is characterized in that: described speed change gear (3) comprises shell (311) and is installed on the interior speed changer of shell (311), the outer casing inner wall partial operation has internal tooth (312), and it constitutes described speed changer with at least one pinion (313) that a sun gear shaft (314) that is positioned at the shell middle part and while are meshed with this sun gear shaft (314) and shell internal tooth (312); Described pinion (313) is rotatably installed on the support (315), and support (315) links to each other with described power input shaft (301), and described sun gear shaft (314) links to each other with described eccentric shaft (2),
3, silent concrete vibrating rod as claimed in claim 1, it is characterized in that: described speed change gear (3) comprises shell (321) and is installed on the interior speed changer of this shell (321), described speed changer comprises an internal gear (322), be positioned at a sun gear shaft (324) at this internal gear (322) middle part and at least one pinion (323) that is meshed with this internal gear (322) and sun gear shaft (324) simultaneously, described pinion (323) is installed on the support (325) regularly, described internal gear (322) links to each other with described power input shaft (301), and described sun gear shaft (324) links to each other with described eccentric shaft (2).
4, silent concrete vibrating rod as claimed in claim 2, it is characterized in that: described support (315) comprises axially the upper and lower tooth rest (3151,3152) of certain distance apart, upper and lower tooth rest (3151,3152) is all in the form of annular discs, the cog upper surface of frame (3151) links to each other with power input shaft (301), have through hole in the middle of the lower tooth wheel carrier (3152), the periphery of upper and lower tooth rest (3151,3152) all is evenly equipped with at least one aperture (3154) in order to the two ends axle journal that supports described pinion.
5, silent concrete vibrating rod as claimed in claim 3, it is characterized in that: described support (325) comprises an end plate (3253) and is installed on this end plate and axial two tooth rests (3251,3252) at a distance of certain distance, each tooth rest is a middle disk that has through hole, its periphery is evenly equipped with at least one hole (3254), in order to the axle journal at the two ends of supporting described pinion.
6, as claim 2 or 3 described silent concrete vibrating rods, it is characterized in that: described sun gear shaft (314,324) and described power shaft (301) are installed on the inside of described shell (311,321) respectively by bearing A, B (302,303); The side of described bearing A (302) baffled (304), baffle plate outside mechanical seal; The side of described bearing B (303) baffled (305), baffle plate outside mechanical seal, the opposite side of described bearing B (303) is provided with a support ring (306), and described support ring (306) is provided with sealing ring (307).
7, silent concrete vibrating rod as claimed in claim 6 is characterized in that: described bearing A (302) is made up of one or two bearing, and bearing B (303) is made up of two bearings.
8, silent concrete vibrating rod as claimed in claim 1, it is characterized in that: the two ends of described eccentric shaft (2) are supported in respectively on a ball bearing (21) and the thrust bearing (22), one end head exceeds described ball bearing (21) and is screwed onto with described sun gear shaft (314,324), its another termination exceeds described thrust bearing (22), is formed with at least one pair of plane that is parallel to each other (23) on it.
9, silent concrete vibrating rod as claimed in claim 1 is characterized in that: the other end of described vibrating body (1) is equipped with a drive end bearing bracket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217597 CN2547815Y (en) | 2002-05-21 | 2002-05-21 | Sound-insulating concrete vibrating stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217597 CN2547815Y (en) | 2002-05-21 | 2002-05-21 | Sound-insulating concrete vibrating stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547815Y true CN2547815Y (en) | 2003-04-30 |
Family
ID=33696383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02217597 Expired - Fee Related CN2547815Y (en) | 2002-05-21 | 2002-05-21 | Sound-insulating concrete vibrating stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547815Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328451C (en) * | 2005-10-24 | 2007-07-25 | 龚蜀刚 | Vibration rod for concrete mixing |
| CN102587671A (en) * | 2011-11-02 | 2012-07-18 | 金可友 | Safe and portable high-frequency vibrating spear powered by battery |
| CN106088615A (en) * | 2016-08-16 | 2016-11-09 | 陈泳东 | A kind of concrete vibration stick |
| CN107866892A (en) * | 2017-12-18 | 2018-04-03 | 王本勋 | A kind of concrete compaction device for road construction |
-
2002
- 2002-05-21 CN CN 02217597 patent/CN2547815Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328451C (en) * | 2005-10-24 | 2007-07-25 | 龚蜀刚 | Vibration rod for concrete mixing |
| CN102587671A (en) * | 2011-11-02 | 2012-07-18 | 金可友 | Safe and portable high-frequency vibrating spear powered by battery |
| CN102587671B (en) * | 2011-11-02 | 2014-04-23 | 金可友 | Safe and portable high-frequency vibrating spear powered by battery |
| CN106088615A (en) * | 2016-08-16 | 2016-11-09 | 陈泳东 | A kind of concrete vibration stick |
| CN107866892A (en) * | 2017-12-18 | 2018-04-03 | 王本勋 | A kind of concrete compaction device for road construction |
| CN107866892B (en) * | 2017-12-18 | 2020-07-03 | 南京溧水高新创业投资管理有限公司 | A concrete jolt ramming device for road construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |