CN201599337U - Safe coupler for transmission shaft of straightening machine - Google Patents
Safe coupler for transmission shaft of straightening machine Download PDFInfo
- Publication number
- CN201599337U CN201599337U CN2009202886647U CN200920288664U CN201599337U CN 201599337 U CN201599337 U CN 201599337U CN 2009202886647 U CN2009202886647 U CN 2009202886647U CN 200920288664 U CN200920288664 U CN 200920288664U CN 201599337 U CN201599337 U CN 201599337U
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- transmission shaft
- straightening machine
- sleeve
- cylindrical shell
- hydraulic pressure
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Abstract
The utility model discloses a safe coupler for a transmission shaft of a straightening machine, which comprises a flange plate for being connected with the transmission shaft of the straightening machine, a shaft sleeve for being connected with a motor shaft, and a hydraulic cylinder body for connecting the flange plate and the shaft sleeve, wherein the hydraulic cylinder body presents a structure with sealed inner and outer sleeves, an oil chamber is formed between the inner and the outer sleeves, a safe pressure relief pipe and an oil filling hole that are connected with the oil chamber are arranged on the wall surface of the outer sleeve, a screw plug is arranged on the oil filling hole, the end surface of the outer sleeve is connected with the flange plate via bolts, and the inner wall of the inner sleeve is clasped with the shaft sleeve in a matched manner. Besides, a shearing ring is fixed on the shaft sleeve, and the head of the safe pressure relief pipe is embedded into a notch of the shearing ring. The utility model can achieve the function of overload protection to the transmission shaft of the straightening machine and have the default torque value adjusted precisely, thereby greatly saving the cost, facilitating the maintenance, resulting in safe and reliable performance, and being applicable to the industry.
Description
Technical field
The utility model relates to safety coupling, refers to a kind of straightening machine transmission shaft safety coupling particularly.
Background technique
The straightening roller of straightening machine is in moment of the steel plate of nipping and throw steel or when acceleration, deceleration, can be subjected to very big impact force, through detecting, moment Maximum Torque up to 28000Nm, therefore need on the transmission shaft of straightening roller, overload protection arrangement be set.At present, do not have any overload protection arrangement on the transmission shaft of straightening roller, the coupling of transmission shaft catcher often damages like this, and fault is frequent, has restricted the throughput of equipment, has strengthened cost of production.Safety coupling commonly used is mainly the slip safety coupling.The slip safety coupling is that the mode of frictionally is protected transmission shaft, and when the torsion of transmission shaft during greater than the frictional force of the catcher that slides, the slip safety coupling skids and protects transmission shaft.The setting of this frictional force is to set by the decrement of spring, can't measure its degree of wear after skidding, and the spring force changing value that wearing and tearing cause is unable to estimate, make the error of amount of spring compression of setting bigger, cause the transmission shaft overload breakage easily, the replacement cycle is frequent, and cost is higher.
Summary of the invention
The purpose of this utility model be exactly to provide a kind of can to the straightening machine transmission shaft play overload protective function and be convenient to safeguard, straightening machine transmission shaft safety coupling that performance is safe and reliable.
For achieving the above object, the straightening machine transmission shaft safety coupling that the utility model is designed comprises the flange plate and the axle sleeve that is used to be connected motor shaft that are used to connect the straightening machine transmission shaft, also comprises the hydraulic pressure cylindrical shell that is used for mounting flange and axle sleeve.Described hydraulic pressure cylindrical shell is the inside and outside sleeve sealing configuration, be provided with oil pocket between its inside and outside sleeve, its outer sleeve wall is provided with safety relief pipe and the oil hole that links to each other with oil pocket, oil hole is provided with plug screw, the end face of its outer sleeve links to each other with flange plate by bolt, and the inwall of its inner sleeve is held tightly with axle sleeve and cooperated.Be fixed with shearing ring on the described axle sleeve, the head of safety relief pipe is embedded in the notch of shearing ring.
Further, the two ends of described hydraulic pressure cylindrical shell and axle sleeve abutted surface are provided with bearing, and the arranged outside of described bearing has black box.
Further, described safety relief pipe is provided with two, is arranged symmetrically in the diameter two ends of the outer sleeve of described hydraulic pressure cylindrical shell, and the notch of described shearing ring also correspondence is provided with two.
Again further, the outer sleeve wall of described hydraulic pressure cylindrical shell is provided with the lubricating cup that communicates with bearing.
Advantage of the present utility model is: pressure oil injects oil pocket from oil hole, and the overcoat of hydraulic pressure cylindrical shell is passed to transmission of torque that the pressure of axle sleeve is directly proportional by bolt to flange plate with motor shaft, and then is delivered on the straightening machine transmission shaft.Default transmitting torque value can be set by the oil pressure size of pressure oil, and the oil pressure size can be controlled by the high pressure manual pump that connects on the oil hole, and is convenient and reliable.When the torque value that transmits during greater than default torque transmission capability; produce slide relative between hydraulic pressure cylindrical shell and the axle sleeve,, the pressure oil in the oil pocket is released rapidly so shearing ring is cut off the safety relief pipe; hydraulic pressure cylindrical shell and shaft room produce idle running, play the effect of safety protection straightening machine transmission shaft.When resuming work, only the safety relief pipe that need more renew refills pressure oil and gets final product.The utility model not only can accurately be controlled default transmitting torque value adjustablely, reliably the straightening machine transmission shaft is played overload protective function, and cost is low when resuming work, and is convenient to safeguard.
Description of drawings
Fig. 1 is a kind of main sectional structure schematic representation of straightening machine transmission shaft safety coupling;
Fig. 2 is for removing the A-A sectional structure schematic representation behind the shearing ring among Fig. 1.
Among the figure: flange plate 1, oil pocket 2, bolt 3, hydraulic pressure cylindrical shell 4, axle sleeve 5, bearing 6, black box 7, shearing ring 8, end cap 9, safety relief pipe 10, oil hole 11, screw plug 12, plug screw 13, lubricating cup 14.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Straightening machine transmission shaft safety coupling shown in the figure mainly is made up of flange plate 1, hydraulic pressure cylindrical shell 4 and axle sleeve 5.Hydraulic pressure cylindrical shell 4 is made of the inside and outside sleeve seal welding, leaves oil pocket 2 between its inside and outside sleeve.Flange plate 1 links to each other with straightening machine transmission shaft (not shown), and axle sleeve 5 links to each other with the motor shaft (not shown).Symmetric arrangement has the safety relief pipe 10 that links to each other with oil pocket 2 at the outer sleeve diameter two ends of hydraulic pressure cylindrical shell 4.Side at the outer sleeve diameter two ends of hydraulic pressure cylindrical shell 4 corresponding to safety relief pipe 10 is provided with the oil hole 11 that links to each other with oil pocket 2, and oil hole 11 is provided with plug screw 13 and cooperates with it.The auxiliary hole on oil hole 11 next doors is sealed with screw plug 12.The end face of the outer sleeve of hydraulic pressure cylindrical shell 4 links to each other with flange plate 1 by bolt 3, and the inwall of the inner sleeve of hydraulic pressure cylindrical shell 4 is held tightly with axle sleeve 5 and cooperated.Be fixed with shearing ring 8 on axle sleeve 5, be provided with two notches corresponding to safety relief pipe 10 on the shearing ring 8, the head of two safety relief pipes 10 is embedded in respectively in two notches of shearing ring 8.
Two ends at hydraulic pressure cylindrical shell 4 and axle sleeve 5 abutted surfaces are provided with bearing 6, can guarantee that both can frictionally damage when hydraulic pressure cylindrical shell 4 produces slide relative with axle sleeve 5.Arranged outside at bearing 6 has black box 7, and is wherein fixing by the end cap 9 of axle sleeve 5 by the black box 7 of flange plate 1 one sides.On the outer sleeve wall of hydraulic pressure cylindrical shell 4, also be provided with the lubricating cup 14 that communicates with bearing 6, come lubricating bearings 6 in order to inject lubricant oil.
In use, injection pressure oil is tightened plug screw 13 and safety relief pipe 10 then to oil pocket 2 from oil hole 11, and pressure oil is sealed among the oil pocket 2 of hydraulic pressure cylindrical shell 4.Under the effect of pressure oil, hydraulic pressure cylindrical shell 4 produces resiliently deformable, the effect of frictionally, the inner sleeve of hydraulic pressure cylindrical shell 4 and axle sleeve 5 are held tightly, the outer sleeve of hydraulic pressure cylindrical shell 4 is passed to transmission of torque that the pressure of axle sleeve 5 is directly proportional by bolt 3 to flange plate 1 with motor shaft, and then is delivered on the straightening machine transmission shaft.This straightening machine transmission shaft safety coupling is controlled driving torque by frictional force, and system's limit is turned round element during work, is not subjected to equipment to produce the influence of vibration or fatigue factor, makes the torque value of transmission can keep constant.Default transmitting torque value can be set by the oil pressure size of pressure oil, and the oil pressure size can be controlled by the high pressure manual pump that connects on the oil hole, and is convenient and reliable, its deviation can be controlled at require slipping torque 10% in.When overload, produce slide relative between hydraulic pressure cylindrical shell 4 and the axle sleeve 5 rapidly, so shearing ring 8 is cut off safety relief pipe 10, the pressure oil in the oil pocket 2 is released rapidly.Probably about 20ms, performance is safe and reliable for overload time.When resuming work, only the safety relief pipe that need more renew refills pressure oil and gets final product.Therefore the time of resuming work is short, probably about 5～10min.
Show that by the electric monitoring Data Detection excessive when the motor output torque, when surpassing the Operating torque of straightening machine transmission shaft permission, the safety relief pipe 10 of safety coupling is cut off, and has cut down temporary impact, plays the effect to the transmission shaft overload protection.It is steady, respond well to improve the back equipment operation, and manufacturing efficiency significantly improves.If adopt traditional slip safety coupling, every 120,000 yuan of transmission shafts, annual because of overload breakage reaches 4, and each 250,000 yuan of slip safety couplings, the annual need changed 2.After using the utility model instead, can save about 1,000,000 yuan of spare part cost every year.
Claims (5)
1. straightening machine transmission shaft safety coupling, comprise flange plate (1) that is used to connect the straightening machine transmission shaft and the axle sleeve that is used to be connected motor shaft (5), also comprise the hydraulic pressure cylindrical shell (4) that is used for mounting flange (1) and axle sleeve (5), it is characterized in that: described hydraulic pressure cylindrical shell (4) is the inside and outside sleeve sealing configuration, be provided with oil pocket (2) between its inside and outside sleeve, its outer sleeve wall is provided with safety relief pipe (10) and the oil hole (11) that links to each other with oil pocket (2), oil hole (11) is provided with plug screw (13), the end face of its outer sleeve links to each other with flange plate (1) by bolt (3), and the inwall of its inner sleeve is held tightly with axle sleeve (5) and cooperated; Be fixed with shearing ring (8) on the described axle sleeve (5), the head of safety relief pipe (10) is embedded in the notch of shearing ring (8).
2. straightening machine transmission shaft safety coupling according to claim 1 is characterized in that: described hydraulic pressure cylindrical shell (4) is provided with bearing (6) with the two ends of axle sleeve (5) abutted surface, and the arranged outside of described bearing (6) has black box (7).
3. straightening machine transmission shaft safety coupling according to claim 1 and 2, it is characterized in that: described safety relief pipe (10) is provided with two, be arranged symmetrically in the diameter two ends of the outer sleeve of described hydraulic pressure cylindrical shell (4), the notch of described shearing ring (8) also correspondence is provided with two.
4. straightening machine transmission shaft safety coupling according to claim 1 and 2 is characterized in that: the outer sleeve wall of described hydraulic pressure cylindrical shell (4) is provided with the lubricating cup (14) that communicates with bearing (6).
5. straightening machine transmission shaft safety coupling according to claim 3 is characterized in that: the outer sleeve wall of described hydraulic pressure cylindrical shell (4) is provided with the lubricating cup (14) that communicates with bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202886647U CN201599337U (en) | 2009-12-01 | 2009-12-01 | Safe coupler for transmission shaft of straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202886647U CN201599337U (en) | 2009-12-01 | 2009-12-01 | Safe coupler for transmission shaft of straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599337U true CN201599337U (en) | 2010-10-06 |
Family
ID=42810392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202886647U Expired - Fee Related CN201599337U (en) | 2009-12-01 | 2009-12-01 | Safe coupler for transmission shaft of straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599337U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943219A (en) * | 2010-10-14 | 2011-01-12 | 中国重型机械研究院有限公司 | Design method of connecting structure of flange shaft |
| CN104595383A (en) * | 2014-12-31 | 2015-05-06 | 太重煤机有限公司 | Coal mining machine traction clutch device with overload protection function |
| CN106460953A (en) * | 2014-06-03 | 2017-02-22 | Chr.麦尔有限公司及两合公司 | Disconnecting overload clutch with transmission bodies arranged in groups |
| CN106438740A (en) * | 2016-12-05 | 2017-02-22 | 北京金风科创风电设备有限公司 | Coupling sleeve, assembly method of coupling sleeve and safety coupling |
| CN107989922A (en) * | 2017-12-05 | 2018-05-04 | 贵州华阳电工有限公司 | Mechanically and electrically magnetic double-clutch mechanism |
| CN110153323A (en) * | 2019-06-26 | 2019-08-23 | 易永彪 | The safety mechanical protective device of punching machine, hydraulic press |
| CN117249256A (en) * | 2023-11-20 | 2023-12-19 | 山东锦恒矿业科技有限公司 | Buried valve connecting device |
-
2009
- 2009-12-01 CN CN2009202886647U patent/CN201599337U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943219A (en) * | 2010-10-14 | 2011-01-12 | 中国重型机械研究院有限公司 | Design method of connecting structure of flange shaft |
| CN106460953A (en) * | 2014-06-03 | 2017-02-22 | Chr.麦尔有限公司及两合公司 | Disconnecting overload clutch with transmission bodies arranged in groups |
| CN106460953B (en) * | 2014-06-03 | 2019-06-21 | Chr.麦尔有限公司及两合公司 | Release-safety clutch with the carrier being arranged in groups |
| CN104595383A (en) * | 2014-12-31 | 2015-05-06 | 太重煤机有限公司 | Coal mining machine traction clutch device with overload protection function |
| CN106438740A (en) * | 2016-12-05 | 2017-02-22 | 北京金风科创风电设备有限公司 | Coupling sleeve, assembly method of coupling sleeve and safety coupling |
| CN106438740B (en) * | 2016-12-05 | 2019-11-22 | 北京金风科创风电设备有限公司 | Coupling sleeve, the assembly method of coupling sleeve and safety coupling |
| CN107989922A (en) * | 2017-12-05 | 2018-05-04 | 贵州华阳电工有限公司 | Mechanically and electrically magnetic double-clutch mechanism |
| CN110153323A (en) * | 2019-06-26 | 2019-08-23 | 易永彪 | The safety mechanical protective device of punching machine, hydraulic press |
| CN117249256A (en) * | 2023-11-20 | 2023-12-19 | 山东锦恒矿业科技有限公司 | Buried valve connecting device |
| CN117249256B (en) * | 2023-11-20 | 2024-02-02 | 山东锦恒矿业科技有限公司 | Buried valve connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |