CN109208911B - Fluid self-excited oscillation type vibrator - Google Patents
Fluid self-excited oscillation type vibrator Download PDFInfo
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- CN109208911B CN109208911B CN201810874375.9A CN201810874375A CN109208911B CN 109208911 B CN109208911 B CN 109208911B CN 201810874375 A CN201810874375 A CN 201810874375A CN 109208911 B CN109208911 B CN 109208911B
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- pipe
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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
Abstract
The invention relates to a fluid self-excited oscillation vibrator, belonging to concrete vibrators, which is characterized in that: the self-excited oscillation vibrator includes end cover, casing, self-excited oscillator and reflux part, the casing is cylinder with cylindrical central boss in the bottom of the inner cavity, the end cover with spigot, central through hole, outlet pipe hole and bolt hole is installed in the top of the casing, self-excited oscillator and reflux part are set inside the inner cavity of the casing, the self-excited oscillator includes self-excited body, jet pipe, upper lining, lower lining, upper belleville spring, lower belleville spring and pipe joint, four-way pipe joint is installed on the central boss inside the casing, the jet pipe and reflux pipe of the self-excited oscillator are fixed on the four-way pipe joint, when the working medium fluid passes through the inner cavity of the self-excited oscillator, self-excited oscillation is produced, and the vibrator has low production cost, safe and reliable use and high energy conversion efficiency.
Description
Technical Field
The invention belongs to a concrete vibrator, and particularly relates to a self-oscillation vibrator.
Background
The compactness of the concrete is one of the important evaluation indexes of the concrete quality, and when the concrete is poured, the liquidation of the components of the mixture after full vibration promotes the escape of the air retained in the mixture, so that the combination among the aggregate particles is tighter, and the effects of compactness, firmness and durability are achieved; therefore, the vibration effect of the fresh concrete is an important link for controlling the quality of the concrete, the vibration process effectively improves the compactness of the concrete, only self-compacting concrete with the slump expansion degree larger than 500mm is used in different types of concrete applied in the current engineering, and the vibration compaction is not needed in the forming process, but the self-compacting concrete is not a leading concrete material yet, so the vibration compaction is still one of necessary steps in most concrete engineering.
At present, a vibrator driven by a motor is generally used in the building industry, the motor is driven to rotate periodically by a power supply, an eccentric part in the vibrator structure converts rotational kinetic energy into vibration mechanical energy, the energy conversion efficiency is low, and by taking a common planetary vibrator and an eccentric vibrator as examples, the two working modes of the vibrator can cause the rotating part of the motor to generate larger eccentric load, so that the service life of equipment is shortened.
Disclosure of Invention
The invention aims to provide a fluid self-oscillation vibrator which is simple and reasonable in structure, safe and reliable to use, low in production cost and high in energy conversion efficiency.
The purpose of the invention is realized by the following steps: a fluid self-oscillation vibrator (self-oscillation vibrator for short) is characterized in that: the fluid self-excited oscillation vibrator comprises an end cover, a shell, a self-excited oscillator and a backflow piece, wherein the shell is cylindrical with a bottom, a cylindrical central boss with an external thread is arranged on the upper surface of the bottom of the shell (namely the bottom surface of an inner cavity), threaded holes are uniformly formed in the top end surface of the shell in a circumferential mode, a disc-shaped end cover is fixedly arranged at the top end part of the shell through bolts, a circular spigot is arranged at the bottom of the end cover, bolt holes are uniformly formed in the end cover in a circumferential mode, a central through hole is formed in the end cover, meanwhile, pipe holes are uniformly formed in the end cover surface corresponding to the outer side part of the central through hole in the circumferential mode, and preferably, three pipe outlet holes are formed in the end cover surface;
The self-excited oscillator comprises a self-excited body, a spraying pipe, an upper bushing, a lower bushing, an upper disc spring, a lower disc spring and a pipe joint, wherein the self-excited body is a cylinder or a ring body, vertical through holes are uniformly formed in the circumference of the body wall of the self-excited body, the spraying pipe is fixedly arranged at the top of the self-excited body, the spraying pipe is in an inverted T shape, the spraying pipe comprises a round bottom disc and a central upper straight pipe which are connected into a whole and are provided with a central hole, bolt through holes are uniformly formed in the circumference of the round bottom disc of the spraying pipe, the central upper straight pipe of the spraying pipe upwards extends out of the central through hole in an end cover, the disc spring and the upper bushing are correspondingly sleeved on the pipe section of the central upper straight pipe of the spraying pipe, which is positioned in the shell, the spraying pipe is fixedly arranged at the bottom of the self-excited body, the ejection pipe is in a T shape, the ejection pipe comprises a round top disc with a central hole and a central lower straight pipe with external threads, the round top disc and the central lower straight pipe are connected into a whole, the upper part of the round top disc is in a cone frustum shape, threaded holes are uniformly formed in the circumference of the round top disc, bolt through holes in the round bottom disc of the ejection pipe, vertical through holes in the body wall of the corresponding self-excited body and threaded holes in the round top disc are provided with bolts, the ejection pipe, the self-excited body and the ejection pipe are connected into a whole, a lower disc spring and a lower bushing are correspondingly sleeved on a pipe section of the central lower straight pipe in the shell from top to bottom, and meanwhile, the lower end section with external threads of the central lower straight pipe is arranged in the central straight pipe on the pipe joint;
The backflow piece comprises a pipe joint and a backflow pipe, the pipe joint is a T-shaped four-way pipe joint, the pipe joint comprises a cylindrical base and a vertical upward central straight pipe with internal threads, bypass holes with internal threads and communicated with the central straight pipe are uniformly formed in the circumferential surface of the base, three bypass holes are uniformly formed in the circumferential surface of the base, an internal thread hole is formed in the bottom of the base, the base is correspondingly and fixedly installed on a central boss at the bottom of an inner cavity of the shell, the backflow pipe is installed in the bypass hole in the base and is shaped like a rectangle, the upper end section of each vertical straight pipe of the backflow pipe correspondingly extends out of a pipe outlet hole in an end cover, an external thread is formed in the horizontal section of the backflow pipe, an inlet of the straight pipe and an inlet of an additional straight pipe on the center of the backflow pipe and an additional fluid booster pump are formed in a shape, The outlets are correspondingly connected.
When the vibrator provided by the invention works, the fluid booster pump is started, working medium fluid passes through the self-excited oscillator in the vibrator, when the working medium fluid passes through the self-excited oscillation cavity in the self-excited oscillator, self-excited oscillation is generated, and oscillation motion is transmitted to the shell by the upper disc spring and the lower disc spring with high rigidity to generate vibration motion.
the working principle of the vibrator provided by the invention is as follows: the working medium fluid enters the inner cavity of the self-excited body from a fluid inlet on a jet pipe on the self-excited oscillator, when the working medium fluid passes through the inner cavity of the self-excited body, the working medium fluid impacts a collision wall to generate self-excited oscillation, the oscillation motion is transmitted to the shell by the upper disc spring and the lower disc spring with high rigidity to generate vibration motion, and then the working medium fluid enters the pipe joint of the return pipe and returns to the fluid booster pump through each return pipe.
Compared with the prior art, the vibrator provided by the invention has the following advantages:
1) The self-excited oscillator adopts a fluid self-excited oscillation principle, has no transmission part and has high energy conversion efficiency.
2) The invention has simple structure, no rotating part in the structure, low manufacturing cost, high reliability and good maintainability.
3) The invention adopts fluid self-oscillation, can cool the whole system in the fluid flowing process, has small heat productivity of the system and can work with high strength for a long time.
The fluid self-oscillation vibrator provided by the invention has the advantages of simple and reasonable structure, safe and reliable use, low production cost and high energy conversion efficiency.
the invention provides a fluid self-oscillation vibrator which is further explained by combining the drawings and the embodiment.
Drawings
fig. 1 is a perspective view showing an external form of a fluid self-oscillation vibrator according to the present invention;
fig. 2 is a main sectional view of a fluid self-oscillating tamper according to the present invention.
Fig. 3 is an exploded view of a self-oscillating vibrator for fluid according to the present invention.
Fig. 4 is a perspective view schematically showing a self-oscillation vibrator 2 of a fluid self-oscillation vibrator according to the present invention.
in fig. 1 to 4:
1. End cover 2, self-excited oscillator 3, reflux piece 4, shell 5-1, injection pipe 5-2, ejection pipe 6, self-excited body 8, lower bush 9, pipe joint 10-1, upper disc spring 10-2, lower disc spring 11, reflux pipe 12 and upper bush
Detailed Description
As can be seen from fig. 1-4: a fluid self-oscillation vibrator (self-oscillation vibrator for short) is characterized in that: the fluid self-excited oscillation vibrator comprises an end cover 1, a shell 4, a self-excited oscillator 2 and a backflow piece 3, wherein the shell 4 is cylindrical with a bottom, a cylindrical central boss with an external thread is arranged on the upper surface of the bottom of the shell 4, threaded holes are uniformly formed in the top end surface of the shell 4 in a circumferential mode, the disc-shaped end cover 1 is fixedly arranged at the top end part of the shell 4 through bolts, a circular spigot is arranged at the bottom of the end cover 1, bolt holes are uniformly formed in the end cover 1 in a circumferential mode, a central through hole is formed in the end cover 1, meanwhile, pipe holes are uniformly formed in the end cover surface corresponding to the outer side part of the central through hole in a circumferential mode, and three pipe outlet holes are preferably formed in the end cover surface;
a self-excited oscillator 2 and a reflux piece 3 are arranged in the inner cavity of the shell 4, the self-excited oscillator 2 comprises a self-excited body 6, a jet inlet pipe 5-1, a jet outlet pipe 5-2, an upper liner 12, a lower liner 8, an upper disc spring 10-1, a lower disc spring 10-2 and a pipe joint 9, the self-excited body 6 is a cylinder or a ring body, vertical through holes are uniformly distributed on the circumference of the body wall of the self-excited body 6, the jet inlet pipe 5-1 is fixedly arranged at the top of the self-excited body 6, the jet inlet pipe 5-1 is in an inverted shape, the jet inlet pipe 5-1 comprises a round bottom disc and a central upper straight pipe which are connected into a whole and are provided with a central hole, bolt through holes are uniformly distributed on the circumference of the round bottom disc of the jet inlet pipe 5-1, the central through hole on the straight pipe on the jet inlet pipe 5-1 upwards extends out of the central through hole on the end cover 1, a disc spring 10-1 and an upper bushing 12 are correspondingly sleeved on a pipe section of a straight pipe on the center of the injection pipe 5-1, which is positioned in the shell 4, from bottom to top, an injection pipe 5-2 is fixedly arranged at the bottom of the self-excited body 6, the injection pipe 5-2 is in a T shape, the injection pipe 5-2 also comprises a circular top disc with a central hole and a central lower straight pipe with external threads, which are connected into a whole, the upper part of the circular top disc is in a cone frustum shape, threaded holes are uniformly arranged on the circumference of the circular top disc, bolt through holes on the circular bottom disc of the injection pipe 5-1, vertical through holes on the body wall of the self-excited body 6 and threaded holes on the circular top disc of the injection pipe 5-2 are provided with bolts, and the injection pipe 5-1, the self-excited body 6 and the injection pipe 5-2 are connected into a whole, a lower belleville spring 10-2 and a lower bushing 8 are correspondingly sleeved on a pipe section, positioned in the shell 4, of a central lower straight pipe on the ejection pipe 5-2 from top to bottom, and meanwhile, the lower end section with the external thread of the central lower straight pipe is installed in the central straight pipe on a pipe joint 9;
The backflow part 3 comprises a pipe joint 9 and a backflow pipe 11, the pipe joint 9 is an inverted T-shaped four-way pipe joint, the pipe joint 9 comprises a cylindrical base and an upward vertical central straight pipe with internal threads, bypass holes with internal threads and communicated with the central straight pipe are uniformly distributed on the circumferential surface of the base, preferably, three bypass holes are uniformly distributed on the circumferential surface of the base, an internal thread hole is formed at the bottom of the base, the base is correspondingly and fixedly arranged on a central boss at the bottom of an inner cavity of the shell 4, the backflow pipe 11 is arranged in the bypass hole on the base, the backflow pipe 11 is in a shape of a rectangle, the upper end section of the vertical straight pipe of each backflow pipe 11 correspondingly extends out of a pipe outlet hole on the end cover 1, the horizontal section of the backflow pipe 11 is provided with external threads, and the outlet of each backflow pipe 11 and the inlet of the central straight pipe of the injection pipe 5-1 and the inlet of the additional fluid pressurization switch are arranged The inlet and the outlet of the pump are correspondingly connected.
When the vibrator provided by the invention works, the fluid booster pump is started, working medium fluid passes through the self-excited oscillator 6 in the vibrator, when the working medium fluid passes through a self-excited oscillation inner cavity in the self-excited oscillator 6, self-excited oscillation is generated, oscillation motion is transmitted to the shell 4 through the upper disc spring 10-1 and the lower disc spring 10-2 with high rigidity, and the vibration is generated.
Claims (3)
1. a fluid self-oscillation vibrator is characterized in that: the fluid self-excited oscillation vibrator comprises an end cover (1), a shell (4), a self-excited oscillator (2) and a backflow piece (3), wherein the shell (4) is cylindrical with a bottom, a cylindrical central boss with an external thread is arranged on the upper surface of the bottom of the shell (4), threaded holes are uniformly formed in the top end surface of the shell (4) in the circumferential direction, the disc-shaped end cover (1) is fixedly arranged at the top end of the shell (4) through bolts, a circular-ring-shaped spigot is arranged at the bottom of the end cover (1), bolt holes are uniformly formed in the end cover (1) in the circumferential direction, a central through hole is formed in the end cover (1), and pipe holes are uniformly formed in the end cover surface corresponding to the outer side part of the central through hole in the circumferential direction;
a self-excited oscillator (2) and a reflux piece (3) are arranged in the inner cavity of the shell (4), the self-excited oscillator (2) comprises a self-excited body (6), a spraying pipe (5-1), a spraying pipe (5-2), an upper bushing (12), a lower bushing (8), an upper disc spring (10-1), a lower disc spring (10-2) and a pipe joint (9), the self-excited body (6) is a cylinder, vertical through holes are uniformly distributed on the circumference of the body wall of the self-excited body (6), the spraying pipe (5-1) is fixedly arranged at the top of the self-excited body (6), the spraying pipe (5-1) is in an inverted T shape, the spraying pipe (5-1) comprises a round bottom disc and a central upper straight pipe which are connected into a whole, the round bottom disc is provided with a central hole, bolt through holes are uniformly distributed on the circumference of the round bottom disc of the spraying pipe (5-1), the center upper straight pipe of the spray pipe (5-1) extends upwards out of a center through hole on the end cover (1), a disc spring (10-1) and an upper bushing (12) are correspondingly sleeved on a pipe section of the center upper straight pipe of the spray pipe (5-1) which is positioned in the shell (4) from bottom to top, an ejection pipe (5-2) is fixedly arranged at the bottom of the self-excited body (6), the ejection pipe (5-2) is in a T shape, the ejection pipe (5-2) comprises a circular top disc with a center hole and a center lower straight pipe with external threads which are connected into a whole, the upper part of the circular top disc is in a cone frustum shape, threaded holes are uniformly distributed on the circumference of the circular top disc, and bolts are arranged in bolt through holes on the circular bottom disc of the spray pipe (5-1), vertical through holes on the body wall of the self-excited body (6) and threaded holes on the circular top disc, the jet pipe (5-1), the self-excited body (6) and the jet pipe (5-2) are connected into a whole, a lower disc spring (10-2) and a lower bushing (8) are correspondingly sleeved on a pipe section of a central lower straight pipe of the jet pipe (5-2) which is positioned in the shell (4) from top to bottom, and meanwhile, a lower end section with external threads of the central lower straight pipe is arranged in the central straight pipe on a pipe joint (9);
The backflow part (3) comprises a pipe joint (9) and a backflow pipe (11), the pipe joint (9) is an inverted T-shaped four-way pipe joint, the pipe joint (9) comprises a cylindrical base and an upward vertical central straight pipe with internal threads, bypass holes with internal threads and communicated with the central straight pipe are uniformly formed in the circumferential surface of the base, an internal thread hole is formed in the bottom of the base, the base is correspondingly and fixedly installed on a central boss at the bottom of an inner cavity of the shell (4), the backflow pipe (11) is installed in the bypass holes in the base, the backflow pipe (11) is in a shape of a rectangle, the upper end section of the vertical direction of the backflow pipe (11) correspondingly extends out of a pipe outlet hole in the end cover (1), the horizontal section of the backflow pipe (11) is provided with external threads, and the outlet of the backflow pipe (11) and the inlet in the center of the spraying pipe (5-1) are connected with an additionally arranged fluid The inlet and the outlet of the booster pump are correspondingly connected.
2. a self-oscillating tamper according to claim 1, wherein three outlet holes are provided in said end cap surface.
3. A self-oscillating vibrator according to claim 1, wherein three bypass holes are provided in the circumferential surface of said base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874375.9A CN109208911B (en) | 2018-08-03 | 2018-08-03 | Fluid self-excited oscillation type vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874375.9A CN109208911B (en) | 2018-08-03 | 2018-08-03 | Fluid self-excited oscillation type vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109208911A CN109208911A (en) | 2019-01-15 |
| CN109208911B true CN109208911B (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810874375.9A Active CN109208911B (en) | 2018-08-03 | 2018-08-03 | Fluid self-excited oscillation type vibrator |
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| Country | Link |
|---|---|
| CN (1) | CN109208911B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123570U (en) * | 1992-04-28 | 1992-12-02 | 王海清 | Plug oscillating guide |
| CN2325463Y (en) * | 1998-04-01 | 1999-06-23 | 北京利建模板公司 | Miniature, wind power and adhering type vibrator |
| CN201297038Y (en) * | 2008-11-20 | 2009-08-26 | 窦敏洁 | Pneumatic concrete vibrator |
-
2018
- 2018-08-03 CN CN201810874375.9A patent/CN109208911B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123570U (en) * | 1992-04-28 | 1992-12-02 | 王海清 | Plug oscillating guide |
| CN2325463Y (en) * | 1998-04-01 | 1999-06-23 | 北京利建模板公司 | Miniature, wind power and adhering type vibrator |
| CN201297038Y (en) * | 2008-11-20 | 2009-08-26 | 窦敏洁 | Pneumatic concrete vibrator |
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| Publication number | Publication date |
|---|---|
| CN109208911A (en) | 2019-01-15 |
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