CN102383607B - Plug-in type frequency conversion vibrating spear for concrete - Google Patents
Plug-in type frequency conversion vibrating spear for concrete Download PDFInfo
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- CN102383607B CN102383607B CN 201110275210 CN201110275210A CN102383607B CN 102383607 B CN102383607 B CN 102383607B CN 201110275210 CN201110275210 CN 201110275210 CN 201110275210 A CN201110275210 A CN 201110275210A CN 102383607 B CN102383607 B CN 102383607B
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- vibrating
- plug
- conical section
- concrete
- frequency conversion
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Abstract
A plug-in type frequency conversion vibrating spear for concrete comprises a motor, a flexible shaft connected onto a motor shaft, a flexible tube outside the flexible shaft, a vibrating core connected with the flexible shaft, a bar casing sleeved on the vibrating core and an end plug installed at the end portion of the bar casing. The end portion of the vibrating core is an eccentric head and inserted into the end plug, the upper portion of the eccentric head is a conical section, and a conical sleeve matched with the conical section is arranged in the bar casing and sleeved on the outer portion of the conical section of the vibrating core. The plug-in type frequency conversion vibrating spear for the concrete is characterized in that the bar casing is connected with the flexible tube through a locating sleeve which is in extensible threaded connection with the bar casing, and a locating mechanism is arranged between the bar casing and the locating sleeve. The conical section of the vibrating core is provided with at least two sections with different conical degrees. The plug-in type frequency conversion vibrating spear for the concrete has the advantages of being simple in structure, capable of easily adjusting vibration frequency, convenient in use and maintenance, safe in operation and the like.
Description
One, technical field
The present invention relates to a kind of plug-in type concrete tamping equipment, belong to field of construction machinery.
Two, technical background
Fast development along with China's infrastructure and water conservancy and hydropower facility and railway, highway bridge construction, important impact is more and more occuring to construction and the use in construction engineering quality and later stage in concrete closely knit level, utilize concrete vibration bar to come the method for dense concrete very general, in construction, widely applied.
Scientific research shows, the vibration frequency of vibrating head is solidified the closely knit inherent material impact that has to concrete, and different sand, stone particle diameter need different vibration frequencies.If vibration frequency is selected unreasonable, concrete will produce segregation phenomenon, causes the inside concrete particle to sink, and has a strong impact on quality of concrete members.
Different engineerings can be selected different sandstone particle diameters according to the size of structure, the locations of structures that same engineering is different also can be selected different sandstone particle diameters according to the size of structure, to reach best workmanship and effect, this goes tamping with regard to requiring with the vibrating head of different frequency.If a vibrating head that can change easily vibration frequency is arranged, will offer help for improving construction quality and efficient.Also provide possibility for same equipment uses in dissimilar construction works in addition, avoided the idleness of equipment and waste.
At present the vibration frequency of used concrete vibration bar mostly is single, fixing in the construction, and this just causes needs the frequent concrete vibration bar to guarantee construction quality in the work progress.
The present invention is the position that collides by regulating vibrating head rod core and excellent shell, the circular cone rod of the different-diameter on the vibrating core and the conic sleeve on the excellent shell are matched, thereby changing the vibration frequency of vibration vibrating head, is the vibration frequency problem that solves vibrating head from the starting of oscillation principle.
Three, patent of invention content
The purpose of patent of the present invention is in order to address the above problem, to propose a kind of cheap variable ratio frequency changer concrete vibrating rod with inserted simple in structure, stable, practical.
The content of patent of the present invention is: a kind of plug-in type frequency conversion vibrating spear for concrete, comprise motor, be connected to the flexible axle on the motor shaft, the flexible pipe that flexible axle is outer, the vibrating core that is connected with flexible axle, be sleeved on the outer excellent shell of vibrating core, the end plug that install rod shell end, insert in the end plug end of vibrating core, the end of described vibrating core is eccentric head, an eccentric top is conical section, in excellent shell, be provided with the conic sleeve of coupling, the conical section that is sleeved on vibrating core is outside, connect by abutment sleeve between described excellent shell and the flexible pipe, be connected for screw thread is scalable between abutment sleeve and the excellent shell, between excellent shell and locating sleeve, be provided with detent mechanism; The conical section of described vibrating core is provided with the conical section of the different taperings of at least two joints.
Described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and the decorative pearl on top of an official cap in the abutment sleeve.
Described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and latch in the abutment sleeve, and the end of described latch is sphenocephaly; The top of described location pit is the wedge shape groove for mating also.
The outside, junction of described excellent shell and abutment sleeve is provided with flexible flexible protective jacket, is provided with snap ring at the matched position of excellent shell and abutment sleeve, and the stretch two ends of protective jacket of described flexibility hang on the snap ring.
The beneficial effect of patent of the present invention:
1, simple in structure, cheap
The principle of the employing eccentric vibrating of patent of the present invention, motor is passed to flexible axle with power, and flexible axle is passed to vibrating core with power again, and the conical section of two different taperings is arranged on the vibrating core, by be contained in conical sleeve on the excellent shell and collide and realize the vibration of excellent shell, cheap.
2, regulate vibration frequency conveniently
The frequency conversion of this patent of invention vibrating head can realize by rotary extension rod shell, when needing to regulate vibration frequency, only need to remove the detent mechanism between excellent shell and the location suit, the rotary bar shell makes vertically mobile one by one segment distance of excellent shell, conic sleeve is enclosed within on the different conical sections, just can realizes the frequency conversion of concrete vibration bar.
3, use is wide
The concrete vibrating rod with inserted of this patent of invention can be widely used in making firm by ramming various concrete construction engineerings, such as dam body, gate pier, basis, wall, beam, post, stake etc.
4, vibrating effect is good
Because this vibrating head can be adjusted vibration frequency according to the concrete condition of engineering, so vibrating effect is good, vibration efficiency is high, and the concrete uniformity after the vibration is good.
Four, description of drawings
Fig. 1 is one of complete section structural representation of plug-in type frequency conversion vibrating spear for concrete;
Fig. 2 is the local enlarged diagram among Fig. 1;
Fig. 3 be plug-in type frequency conversion vibrating spear for concrete the complete section structural representation two;
Fig. 4 is the local enlarged diagram among Fig. 3.
1. motors among the figure, 2. flexible pipe, 3. flexible axle, 4. abutment sleeve, 5. flexible flexible protective jacket, 6. vibrating core, 7. rod shell, 8. conical section, 9. conic sleeve, 10. end plug, 11. eccentric heads, 12. snap rings, 13. springs, 14. decorative pearls on top of an official cap, 15. pits, 16. springs, 17. latches, wherein 8-1. conical section a, 8-2. conical section b.
Five, the specific embodiment
Embodiment one: referring to Fig. 1, Fig. 2, a kind of plug-in type frequency conversion vibrating spear for concrete, comprise motor, be connected to the flexible axle on the motor shaft, the flexible pipe that flexible axle is outer, the vibrating core that is connected with flexible axle, be sleeved on the outer excellent shell of vibrating core, the end plug that install rod shell end, insert in the end plug end of vibrating core, the end of described vibrating core is eccentric head, an eccentric top is conical section, in excellent shell, be provided with the conic sleeve of coupling, the conical section that is sleeved on vibrating core is outside, connect by abutment sleeve between described excellent shell and the flexible pipe, be connected for screw thread is scalable between abutment sleeve and the excellent shell, between excellent shell and locating sleeve, be provided with detent mechanism; The conical section of described vibrating core is provided with the conical section of the different taperings of at least two joints.
Described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and the decorative pearl on top of an official cap in the abutment sleeve.
The outside, junction of described excellent shell and abutment sleeve is provided with flexible flexible protective jacket, is provided with snap ring at the matched position of excellent shell and abutment sleeve, and the stretch two ends of protective jacket of described flexibility hang on the snap ring.
There are two sections outside diameters to be respectively d on the vibrating core
1And d
2Conical section a and conical section b.During use, when cone a section is in the position of matching with conic sleeve, open motor switch, motor rotation drives the vibrating core running, and vibrating head produces a vibration frequency, and according to the Gear Planet Transmission principle, the vibration frequency of vibrating head is:
The rotating rod shell, the decorative pearl on top of an official cap of detent mechanism is upspring, and continues the rotating rod shell until detent mechanism arrives next pit, makes cone b section be in the position of matching with conical sleeve, and vibrating head produces another vibration frequency, and this moment, the vibration frequency of vibrating head was:
n
1＜n
2
N in the formula
0Be the rotating speed of motor, r/min; d
1, d
2Be respectively the maximum gauge of cone a, b section, D is the maximum gauge of conical sleeve.So just can reach the effect that changes the vibrating head vibration frequency.
Embodiment two: referring to Fig. 3, Fig. 4, a kind of plug-in type frequency conversion vibrating spear for concrete among the figure, comprise motor, be connected to the flexible axle on the motor shaft, the flexible pipe that flexible axle is outer, the vibrating core that is connected with flexible axle, be sleeved on the outer excellent shell of vibrating core, the end plug that install rod shell end, insert in the end plug end of vibrating core, the end of described vibrating core is eccentric head, an eccentric top is conical section, in excellent shell, be provided with the conic sleeve of coupling, the conical section that is sleeved on vibrating core is outside, connect by abutment sleeve between described excellent shell and the flexible pipe, be connected for screw thread is scalable between abutment sleeve and the excellent shell, between excellent shell and locating sleeve, be provided with detent mechanism; The conical section of described vibrating core is provided with the conical section of the different taperings of at least two joints.
Described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and latch in the abutment sleeve, and the end of described latch is sphenocephaly; The top of described location pit is the wedge shape groove for mating also.
The outside, junction of described excellent shell and abutment sleeve is provided with flexible flexible protective jacket, is provided with snap ring at the matched position of excellent shell and abutment sleeve, and the stretch two ends of protective jacket of described flexibility hang on the snap ring.
There are two sections outside diameters to be respectively d on the vibrating core
1And d
2Conical section a and conical section b.During use, when cone a section is in the position of matching with conic sleeve, open motor switch, motor rotation drives the vibrating core running, and vibrating head produces a vibration frequency, and according to the Gear Planet Transmission principle, the vibration frequency of vibrating head is:
Pull up the ejector pin of detent mechanism, the rotating rod shell until detent mechanism arrives next pit, makes cone b section be in the position of matching with conical sleeve, and vibrating head produces another vibration frequency, and this moment, the vibration frequency of vibrating head was:
n
1＜n
2
N in the formula
0Be the rotating speed of motor, r/min; d
1, d
2Be respectively the maximum gauge of cone a, b section, D is the maximum gauge of conical sleeve.So just can reach the effect that changes the vibrating head vibration frequency.
Claims (4)
1. plug-in type frequency conversion vibrating spear for concrete, comprise motor, be connected to the flexible axle on the motor shaft, the flexible pipe that flexible axle is outer, the vibrating core that is connected with flexible axle, be sleeved on the outer excellent shell of vibrating core, the end plug that install rod shell end, insert in the end plug end of vibrating core, the end of described vibrating core is eccentric head, an eccentric top is conical section, in excellent shell, be provided with the conic sleeve of coupling, the conical section that is sleeved on vibrating core is outside, it is characterized in that: connect by abutment sleeve between described excellent shell and the flexible pipe, be connected for screw thread is scalable between abutment sleeve and the excellent shell, between excellent shell and locating sleeve, be provided with detent mechanism; The conical section of described vibrating core is provided with the conical section of the different taperings of at least two joints.
2. plug-in type frequency conversion vibrating spear for concrete according to claim 1, it is characterized in that: described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and the decorative pearl on top of an official cap in the abutment sleeve.
3. plug-in type frequency conversion vibrating spear for concrete according to claim 1, it is characterized in that: described detent mechanism comprises the location pit that is arranged on excellent shell surface, is installed in spring and latch in the abutment sleeve, the end of described latch is sphenocephaly; The top of described location pit is the wedge shape groove for mating also.
4. plug-in type frequency conversion vibrating spear for concrete according to claim 1, it is characterized in that: the outside, junction of described excellent shell and abutment sleeve is provided with flexible flexible protective jacket, matched position at excellent shell and abutment sleeve is provided with snap ring, and the two ends of the flexible protective jacket of described flexibility hang on the snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110275210 CN102383607B (en) | 2011-09-16 | 2011-09-16 | Plug-in type frequency conversion vibrating spear for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110275210 CN102383607B (en) | 2011-09-16 | 2011-09-16 | Plug-in type frequency conversion vibrating spear for concrete |
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| Publication Number | Publication Date |
|---|---|
| CN102383607A CN102383607A (en) | 2012-03-21 |
| CN102383607B true CN102383607B (en) | 2013-09-18 |
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|---|---|---|---|
| CN 201110275210 Expired - Fee Related CN102383607B (en) | 2011-09-16 | 2011-09-16 | Plug-in type frequency conversion vibrating spear for concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1000927S1 (en) | 2021-04-22 | 2023-10-10 | Milwaukee Electric Tool Corporation | Concrete vibrator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677354A (en) * | 2017-08-26 | 2018-02-09 | 蚌埠学院 | A kind of intrinsic frequency measurement apparatus |
| CN108544640A (en) * | 2018-06-14 | 2018-09-18 | 扬州市华光双瑞实业有限公司 | A kind of soft connecting mechanism between comprehensive pipe gallery forming machine vibration plug and main transmission |
| CN111648602B (en) * | 2020-07-21 | 2021-02-26 | 安徽天驰建工集团有限公司 | Intelligent concrete vibrating stick |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045008U (en) * | 1989-03-21 | 1989-09-27 | 北京市设备安装工程机械厂 | Immersion concrete vibrator with built-in motor |
| EP0604723A1 (en) * | 1992-12-30 | 1994-07-06 | WACKER-WERKE GmbH & Co. KG | Internal vibrator fed by a transformer |
| CN2527629Y (en) * | 2002-02-28 | 2002-12-25 | 刘永华 | Concrete vibrator |
| CN201714098U (en) * | 2010-07-23 | 2011-01-19 | 北京华洋建设开发有限公司 | Electric inserting type high-efficiency vibrating device with adjustable frequency |
| CN201850775U (en) * | 2010-08-23 | 2011-06-01 | 重庆城建控股(集团)有限责任公司 | Low-noise concrete vibration rod |
-
2011
- 2011-09-16 CN CN 201110275210 patent/CN102383607B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045008U (en) * | 1989-03-21 | 1989-09-27 | 北京市设备安装工程机械厂 | Immersion concrete vibrator with built-in motor |
| EP0604723A1 (en) * | 1992-12-30 | 1994-07-06 | WACKER-WERKE GmbH & Co. KG | Internal vibrator fed by a transformer |
| CN2527629Y (en) * | 2002-02-28 | 2002-12-25 | 刘永华 | Concrete vibrator |
| CN201714098U (en) * | 2010-07-23 | 2011-01-19 | 北京华洋建设开发有限公司 | Electric inserting type high-efficiency vibrating device with adjustable frequency |
| CN201850775U (en) * | 2010-08-23 | 2011-06-01 | 重庆城建控股(集团)有限责任公司 | Low-noise concrete vibration rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1000927S1 (en) | 2021-04-22 | 2023-10-10 | Milwaukee Electric Tool Corporation | Concrete vibrator |
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| Publication number | Publication date |
|---|---|
| CN102383607A (en) | 2012-03-21 |
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