CN202176632U - Pin roller cage type overrunning clutch for energy-conservation environmental-protection loading machine - Google Patents
Pin roller cage type overrunning clutch for energy-conservation environmental-protection loading machine Download PDFInfo
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- CN202176632U CN202176632U CN2011202679875U CN201120267987U CN202176632U CN 202176632 U CN202176632 U CN 202176632U CN 2011202679875 U CN2011202679875 U CN 2011202679875U CN 201120267987 U CN201120267987 U CN 201120267987U CN 202176632 U CN202176632 U CN 202176632U
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Abstract
A pin roller cage type overrunning clutch for an energy-conservation environmental-protection loading machine comprises a middle input shaft. An outer ring gear is sleeved on the middle input shaft, an inner ring cam is sleeved between the outer ring gear and the middle input shaft, and a pin roller cage is sleeved on the inner ring cam. Eighteen evenly distributed pin roller grooves and three evenly distributed spring grooves are arranged in the pin roller cage, wherein the pin roller grooves are positioned on the outer wall of the pin roller cage, the spring grooves are arranged on an inner ring of the pin roller cage, springs are arranged in the spring grooves, pin rollers are positioned in the pin roller grooves, the pin rollers are respectively in contact with the outer ring gear and the inner ring cam, and the pin roller cage enables the pin rollers to be always in contact with a rolling way face of the outer ring gear and a working face of the inner ring cam through locking plates and the springs.
Description
Technical field
The utility model patent relates to engineering machinery drive technology field, relates in particular to a kind of energy saving and environment friendly loader of medium tonnage that adopts wool(l)y-type engine and can hold torque-converters greatly with roller rolling retainer formula free wheel device.
Background technique
Present domestic loader manufacturing merchant is developing the energy saving and environment friendly loader of medium tonnage, adopts many specifications wool(l)y-type engine, and rated power is 154～162Kw, and rated speed is 2000r/min; Adopt and can hold torque-converters greatly, moment of torsion can reach more than the 2500Nm.The structural member of existing technology loader, each system element especially ability to bear of free wheel device can not adapt with it, and its rate of fault rises significantly, have become a difficult problem that the loader industry is badly in need of solution.Chinese patent CN200620140960.9 discloses a kind of modified model transmission free wheel device, input shaft, cam and outer ring gear in the middle of it mainly comprises.The spring seat center hole changes Φ 1.0-Φ 1.2mm into by Φ 0.8mm, has strengthened the fluid ability of working medium and dirt, can reduce the deposition of rubbish at the spring seat inner chamber.But the described transmission free wheel device of this structure can not adapt to the requirement of the high pulling torque transmission of the energy-saving loader of the slow-speed of revolution, and the weak part of free wheel device internal structure receives very big infringement, causes the decline in its working life.
Summary of the invention
The utility model mainly is to solve the deficiency that exists in the existing technology, provides that a kind of reduction speed ratio is low, transmitting torque is big, reliability is high, the novel roller rolling retainer formula free wheel device of long service life.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of energy saving and environment friendly loader is with roller rolling retainer formula free wheel device; Input shaft in the middle of comprising is with outer ring gear on the described middle input shaft, ring cam in being with on described outer ring gear and the middle input shaft; Be with roller rolling retainer on the ring cam in described; Be provided with 18 equally distributed roller slots and 3 equally distributed spring grooves in the described roller rolling retainer, described roller slot is positioned on the outer wall of roller rolling retainer, and described spring groove is positioned on the ring of roller rolling retainer; Be provided with spring in the described spring groove; Be provided with roller in the described roller slot, described roller touches with outer ring gear and interior ring cam respectively mutually, and described roller rolling retainer makes through locking plate and spring between the working surface of roller surface and interior ring cam of roller and outer ring gear and contacts all the time.
Working principle: this free wheel device is under the effect of external force; Rely on roller rolling retainer, locking plate and spring to order about roller rolling friction and wedging outer ring gear and middle input shaft rotate together in the same way between the working surface of the roller surface of outer ring gear and interior ring cam jointly; When middle input shaft rotational speed during faster than the rotating speed of outer ring gear; Free wheel device is thrown off, and the power of outer ring gear can't import into, and power directly imports output into from middle input shaft; When the rotating speed of outer ring gear during faster than middle input shaft rotational speed, free wheel device engages, and outer ring gear and middle input shaft are imported together, common output, and output torque strengthens, to satisfy the loader demand with operation of going.
As preferably; The number of teeth of described outer ring gear is 50～51; Outer ring gear is 2.27～2.43 with the reduction speed ratio of initiatively importing the one-level gear, and the number of teeth of described middle input shaft is 31～32, and middle input shaft is 0.76～0.8 with the reduction speed ratio of initiatively importing secondary gear.
As preferably; The external diameter of described roller rolling retainer is 197.8～198mm, and wall thickness is 10.8～11mm, and the flute length of described roller slot is 26.15～26.3mm; Groove width is 20.1～20.25mm; The thickness of the position degree of described ball grooves is 0.1mm, and the radial direction of described spring groove is the arc groove of R91.6mm * R84.35mm * 38 °, and the degree of depth of spring groove is 10mm.
The indexing accuracy of the flank of tooth grinding accuracy of said outer ring gear and middle input shaft, the roller slot of roller rolling retainer and spring groove adopts numerical control machine tool to guarantee.Through optimizing; The number of teeth of outer ring gear and middle input shaft reduces 1～2, and rotating speed improves, and the number of teeth of initiatively importing the I and II gear increases by 1～2; Rotating speed slows down; Both Perfect Matchings can make the moment of torsion of energy saving and environment friendly loading machine gearbox still keep the moment of torsion of former technological gearbox, remain in 1800～2000Nm scope, thereby protection complete machine structure spare are without prejudice with each system element.The roller rolling retainer working strength improves, and with the quality of fit raising of roller, contact is steady, and fault reduces.
As preferably; Described locking plate along the circumferential direction is evenly equipped with three outwards locking pawls of protrusion, and described locking plate is provided with locking hole, and described locking hole fixes through bolt and middle input shaft and interior ring cam; Described pintle hook lock pawl is circular-arc with spring crimping mutually, described locking pawl.
As preferably; The material of described roller rolling retainer is the 40Cr steel; The quenching and tempering hardness of described roller rolling retainer is 25HRC, and the material of described spring is the 65Mn steel wire, and the diameter of described spring is 1.4mm; The height of spring is 28.45～28.55mm, and the drag of pressure spring during to 18mm is 77.2N.
The stiffness and the fatigue resistance of spring are improved, and improve working life more than 1 times.
The roller rolling retainer formula free wheel device of utilization the utility model, the rated engine speed that loader is selected for use drops to 2000r/min by 2200r/min, can save oil consumption 10～15%, can reduce the discharging of carbon dioxide on year-on-year basis.
The roller rolling retainer formula free wheel device of the utility model has kept the overall structure and the feature dimension of existing technology; The material and the geometric accuracy of gear pair reduction speed ratio, roller rolling retainer and spring have been optimized; Improved with the loader wool(l)y-type engine and matching, bearing capacity and the working life that can hold torque-converters greatly; Cost of production does not almost increase, and can promote the use of in homemade 3～6 tons energy saving and environment friendly loader.Therefore; The energy saving and environment friendly loader of the utility model is low with roller rolling retainer formula free wheel device reduction speed ratio, matching good, bearing capacity is big, applicability is wide, cost performance is high; Can promote the lifting of homemade loader complete machine performance and the realization of energy-saving and emission-reduction, have good society and economic benefit.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of roller rolling retainer in the utility model;
Fig. 3 be in the utility model roller rolling retainer the sectional structure schematic representation;
Fig. 4 is the structural representation of locking plate in the utility model;
Fig. 5 is the sectional structure schematic representation of locking plate in the utility model.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technological scheme of the utility model.
Embodiment 1: like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; A kind of energy saving and environment friendly loader comprises outer ring gear 1, middle input shaft 2, interior ring cam 3, roller rolling retainer 4 and roller 5 with roller rolling retainer formula free wheel device, input shaft 2 in the middle of being provided with in the described outer ring gear 1; Ring cam 3 in input shaft 2 is provided with in the middle of described; Ring cam 3 is provided with roller rolling retainer 4 in described, is provided with roller slot 8 and spring groove 9 in the described roller rolling retainer 4, is provided with roller 5 in the described roller slot 8; Be provided with spring 6 in the described spring groove 9; Described roller 5 contacts with interior ring cam 3 working surfaces and outer ring gear raceway, is provided with locking plate 7 between an end face of described middle 2 one end faces of input shaft and interior ring cam 3, and described locking plate 7 along the circumferential direction evenly is provided with three locking pawls.This free wheel device is under the effect of external force; Rely on roller rolling retainer 4, locking plate 7 and spring 6 to order about roller 5 rolling friction and wedging outer ring gear 1 and middle input shaft 2 rotate together in the same way between the working surface of the roller surface of outer ring gear 1 and interior ring cam 3 jointly; When the rotating speed of middle input shaft 2 during faster than the rotating speed of outer ring gear 1; Free wheel device is thrown off, and the power of outer ring gear 1 can't import into, and power directly imports output into from middle input shaft 2; When the rotating speed of outer ring gear 1 during faster than the rotating speed of middle input shaft 2, free wheel device engages, and outer ring gear 1 import with middle input shaft 2 together, common output, and output torque strengthens, and loader goes and the demand of operation to satisfy.The number of teeth of described outer ring gear 1 is 51, with the reduction speed ratio of initiatively importing the one-level gear be 2.43, described in the middle of the number of teeth of input shaft 2 be 32, with the reduction speed ratio of initiatively importing secondary gear be 0.8, be fit to the engine speed 2000r/min that matees; Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 197.8mm, highly is designed to 51mm; Wall thickness design is 10.8mm, and quenching and tempering hardness is designed to 25HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.15mm, and groove width is designed to 20.1mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and groove depth is 10mm; Described spring 6 adopts the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3, is 28.5mm highly, and the drag when being compressed to 18mm is 77.2N, and prolongs 0.5 hour tempering destressing time; The indexing accuracy of the flank of tooth grinding accuracy of said outer ring gear 1 and middle input shaft 2, the roller slot 8 of roller rolling retainer 4 and spring groove 9 adopts numerical control machine tool to guarantee.
Effect: the number of teeth of described outer ring gear 1 is 51, with the reduction speed ratio of initiatively importing the one-level gear be 2.43, described in the middle of the number of teeth of input shaft 2 be 32; After being 0.8 with the reduction speed ratio of initiatively importing secondary gear; Can be complementary with the energy saving and environment friendly loader that adopts the 2000r/min motor, can transmit rated torque 2000Nm, the rated power of transmission is 162kW; Can help loader energy-saving and emission-reduction 10%, protect complete machine structure spare and each system element not to receive the overload infringement simultaneously.Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 197.8mm, highly is designed to 51mm; Wall thickness design is 10.8mm, and quenching and tempering hardness is designed to 25HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.15mm, and groove width is designed to 20.1mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and after groove depth was 10mm, its working strength improved; Improve with the quality of fit of roller 5, contact is steady, and fault reduces.Described spring 6 adopts the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3; Be 28.45mm highly, the drag when being compressed to 18mm is 77.2N, and after prolonging the 0.5 hour destressing time of tempering; The stiffness and the fatigue resistance of spring 6 are improved, and improve working life more than 1 times.
Embodiment 2: like Fig. 1, Fig. 2 and shown in Figure 3; A kind of energy saving and environment friendly loader comprises outer ring gear 1, middle input shaft 2, interior ring cam 3, roller rolling retainer 4 and roller 5 with roller rolling retainer formula free wheel device, input shaft 2 in the middle of being provided with in the described outer ring gear 1; Ring cam 3 in input shaft 2 is provided with in the middle of described; Ring cam 3 is provided with roller rolling retainer 4 in described, is provided with roller slot 8 and spring groove 9 in the described roller rolling retainer 4, is provided with roller 5 in the described roller slot 8; Be provided with spring 6 in the described spring groove 9; Described roller 5 contacts with interior ring cam 3 working surfaces and outer ring gear roller surface, is provided with locking plate 7 between an end face of described middle 2 one end faces of input shaft and interior ring cam 3, and described locking plate 7 along the circumferential direction evenly is provided with three locking pawls.This kind free wheel device is under the effect of external force; Rely on roller rolling retainer 4, locking plate 7 and spring 6 to order about roller 5 rolling friction and wedging outer ring gear 1 and middle input shaft 2 rotate together in the same way between the working surface of the roller surface of outer ring gear 1 and interior ring cam 3 jointly; When the rotating speed of middle input shaft 2 during faster than the rotating speed of outer ring gear 1; Free wheel device is thrown off, and the power of outer ring gear 1 can't import into, and power directly imports output into from middle input shaft 2; When the rotating speed of outer ring gear 1 during faster than the rotating speed of middle input shaft 2, free wheel device engages, and outer ring gear 1 import with middle input shaft 2 together, common output, and output torque strengthens, and loader goes and the demand of operation to satisfy.The number of teeth of described outer ring gear 1 is 50, with the reduction speed ratio of initiatively importing the one-level gear be 2.27, described in the middle of the number of teeth of input shaft 2 be 32, with the reduction speed ratio of initiatively importing secondary gear be 0.8, the engine speed that is fit to mate is 2000r/min; Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 197.9mm, highly is designed to 51mm; Wall thickness design is 10.9mm, and quenching and tempering hardness is designed to 27.5HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.2, and the mm groove width is designed to 20.2mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and groove depth is 10mm; Described spring 6 adopts the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3, is 28.5mm highly, and the drag when being compressed to 18mm is 77.2N, and prolongs 0.5 hour tempering destressing time; The indexing accuracy of the flank of tooth grinding accuracy of said outer ring gear and middle input shaft, the roller slot of roller rolling retainer and spring groove adopts numerical control machine tool to guarantee.
Effect: the number of teeth of described outer ring gear 1 is 50, with the reduction speed ratio of initiatively importing the one-level gear be 2.27, described in the middle of the number of teeth of input shaft 2 be 32; After being 0.8 with the reduction speed ratio of initiatively importing secondary gear; Can be complementary with the energy saving and environment friendly loader that adopts the 2000r/min motor, can transmit rated torque 2000Nm, the rated power of transmission is 162kW; Can help loader energy-saving and emission-reduction 12.5%, protect complete machine structure spare and each system element not to receive the overload infringement simultaneously.Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 197.9mm, highly is designed to 51mm; Wall thickness design is 10.9mm, and quenching and tempering hardness is designed to 27.5HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.2, and the mm groove width is designed to 20.2mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and after groove depth was 10mm, its working strength improved; Improve with the quality of fit of roller 5, contact is steady, and fault reduces.Described spring 6 adopts the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3; Be 28.5mm highly, the drag when being compressed to 18mm is 77.2N, and after prolonging the 0.5 hour destressing time of tempering; The stiffness and the fatigue resistance of spring 6 are improved, and improve working life more than 1 times.
Embodiment 3: like Fig. 1, Fig. 2 and shown in Figure 3; A kind of energy saving and environment friendly loader comprises outer ring gear 1, middle input shaft 2, interior ring cam 3, roller rolling retainer 4 and roller 5 with roller rolling retainer formula free wheel device, input shaft 2 in the middle of being provided with in the described outer ring gear 1; Ring cam 3 in input shaft 2 is provided with in the middle of described; Ring cam 3 is provided with roller rolling retainer 4 in described, is provided with roller slot 8 and spring groove 9 in the described roller rolling retainer 4, is provided with roller 5 in the described roller slot 8; Be provided with spring 6 in the described spring groove 9; Described roller 5 contacts with interior ring cam 3 working surfaces and outer ring gear raceway, is provided with locking plate 7 between an end face of described middle 2 one end faces of input shaft and interior ring cam 3, and described locking plate 7 along the circumferential direction evenly is provided with three locking pawls.This kind free wheel device is under the effect of external force; Rely on roller rolling retainer 4, locking plate 7 and spring 6 to order about roller 5 rolling friction and wedging outer ring gear 1 and middle input shaft 2 rotate together in the same way between the working surface of the roller surface of outer ring gear 1 and interior ring cam 3 jointly; When the rotating speed of middle input shaft 2 during faster than the rotating speed of outer ring gear 1; Free wheel device is thrown off, and the power of outer ring gear 1 can't import into, and power directly imports output into from middle input shaft 2; When the rotating speed of outer ring gear 1 during faster than the rotating speed of middle input shaft 2, free wheel device engages, and outer ring gear 1 import with middle input shaft 2 together, common output, and output torque strengthens, and loader goes and the demand of operation to satisfy.The number of teeth of described outer ring gear 1 still is 50, and the reduction speed ratio of initiatively importing the one-level gear is 2.27, described in the middle of the number of teeth of input shaft 2 be 31, with the reduction speed ratio of initiatively importing secondary gear be 0.76, the engine speed that is fit to mate is 2000r/min; Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 198mm, highly is designed to 51mm; Wall thickness design is 11mm, and quenching and tempering hardness is designed to 30HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.3mm, and groove width is designed to 20.25mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and groove depth is 10mm; Described spring 6 adopts the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3, is 28.55mm highly, and the drag when being compressed to 18mm is 77.2N, and prolongs 0.5 hour tempering destressing time; The indexing accuracy of the flank of tooth grinding accuracy of said outer ring gear and middle input shaft, the roller slot of roller rolling retainer and spring groove adopts numerical control
Lathe guarantees.
Effect: the number of teeth of described outer ring gear 1 is 50, with the reduction speed ratio of initiatively importing the one-level gear be 2.27, described in the middle of the number of teeth of input shaft 2 be 31; After being 0.76 with the reduction speed ratio of initiatively importing secondary gear; Can be complementary with the energy saving and environment friendly loader that adopts the 2000r/min motor, can transmit rated torque 2000Nm, the rated power of transmission is 162kW; Can help loader energy-saving and emission-reduction 15%, protect complete machine structure spare and each system element not to receive the overload infringement simultaneously.Described roller rolling retainer 4 is selected the 40Cr steel for use, and external diameter is designed to 198mm, highly is designed to 51mm; Wall thickness design is 11mm, and quenching and tempering hardness is designed to 30HRC, and its roller slot 8 is designed to 18 and is uniformly distributed with; Flute length is designed to 26.3mm, and groove width is designed to 20.25mm, and the position degree is designed to 0.1mm; Its spring groove 9 is designed to 3 and is uniformly distributed with and radial direction is the arc groove of R91.6mm * R84.35mm * 38 °, and after groove depth was 10mm, its working strength improved; Improve with the quality of fit of roller 5, contact is steady, and fault reduces.Described spring 6 is used the 65Mn steel wire, and its diameter is 1.4mm, and quantity is 3; Be 28.55mm highly, the drag when being compressed to 18mm is 77.2N, and after prolonging the 0.5 hour destressing time of tempering; Spring 6 stiffness and fatigue resistance are improved, and improve working life more than 1 times.
Claims (5)
1. an energy saving and environment friendly loader is with roller rolling retainer formula free wheel device; It is characterized in that: input shaft (2) in the middle of comprising; Be with outer ring gear (1) on the input shaft (2) in the middle of described; Ring cam (3) is with roller rolling retainer (4) on the described interior ring cam (3) in being with on described outer ring gear (1) and the middle input shaft (2), is provided with 18 equally distributed roller slots (8) and 3 equally distributed spring grooves (9) in the described roller rolling retainer (4); Described roller slot (8) is positioned on the outer wall of roller rolling retainer (4); Described spring groove (9) is positioned on the ring of roller rolling retainer (4), is provided with spring (6) in the described spring groove (9), is provided with roller (5) in the described roller slot (8); Described roller (5) touches with outer ring gear (1) and interior ring cam (3) respectively mutually, and described roller rolling retainer (4) makes through locking plate (7) and spring (6) between the working surface of roller surface and interior ring cam (3) of roller (5) and outer ring gear (1) and contacts all the time.
2. energy saving and environment friendly loader according to claim 1 is characterized in that with roller rolling retainer formula free wheel device: the number of teeth of described outer ring gear (1) is 50～51, and the number of teeth of described middle input shaft (2) is 31～32.
3. energy saving and environment friendly loader according to claim 1 is with roller rolling retainer formula free wheel device; It is characterized in that: the external diameter of described roller rolling retainer (4) is 197.8～198mm; Wall thickness is 10.8～11mm; The flute length of described roller slot (8) is 26.15～26.3mm, and groove width is 20.1～20.25mm, and the position degree of described ball grooves (8) is 0.1mm; The radial direction of described spring groove (9) is the arc groove of R91.6mm * R84.35mm * 38 °, and the degree of depth of spring groove (9) is 10mm.
According to claim 1 or 2 or 3 described energy saving and environment friendly loaders with roller rolling retainer formula free wheel device; It is characterized in that: described locking plate (7) along the circumferential direction is evenly equipped with three outwards locking pawls (11) of protrusion; Described locking plate (7) is provided with locking hole (12); Described locking hole (12) fixes through bolt (13) and middle input shaft (2) and interior ring cam (3); Described pintle hook lock pawl (11) and spring (6) crimping mutually, described locking pawl (11) is circular-arc.
According to claim 1 or 2 or 3 described energy saving and environment friendly loaders with roller rolling retainer formula free wheel device; It is characterized in that: the material of described roller rolling retainer (4) is the 40Cr steel; The quenching and tempering hardness of described roller rolling retainer (4) is 25HRC; The material of described spring (6) is the 65Mn steel wire, and the diameter of described spring (6) is 1.4mm, and the height of spring (6) is 28.45～28.55mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202679875U CN202176632U (en) | 2011-07-27 | 2011-07-27 | Pin roller cage type overrunning clutch for energy-conservation environmental-protection loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202679875U CN202176632U (en) | 2011-07-27 | 2011-07-27 | Pin roller cage type overrunning clutch for energy-conservation environmental-protection loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176632U true CN202176632U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202679875U Expired - Fee Related CN202176632U (en) | 2011-07-27 | 2011-07-27 | Pin roller cage type overrunning clutch for energy-conservation environmental-protection loading machine |
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| Country | Link |
|---|---|
| CN (1) | CN202176632U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518709A (en) * | 2011-07-27 | 2012-06-27 | 杭州宗兴齿轮有限公司 | Roller retainer type overrun clutch for energy-saving and environmental-friendly loader |
| CN104405793A (en) * | 2014-11-30 | 2015-03-11 | 重庆泽田汽车部件有限责任公司 | Safety clutch |
| CN113202885A (en) * | 2021-05-25 | 2021-08-03 | 索特传动设备有限公司 | Overrunning clutch and engineering machinery |
-
2011
- 2011-07-27 CN CN2011202679875U patent/CN202176632U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518709A (en) * | 2011-07-27 | 2012-06-27 | 杭州宗兴齿轮有限公司 | Roller retainer type overrun clutch for energy-saving and environmental-friendly loader |
| CN104405793A (en) * | 2014-11-30 | 2015-03-11 | 重庆泽田汽车部件有限责任公司 | Safety clutch |
| CN113202885A (en) * | 2021-05-25 | 2021-08-03 | 索特传动设备有限公司 | Overrunning clutch and engineering machinery |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 311256 Xinxia Road, Yiqiao Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zongxing Technology Co., Ltd. Address before: 311256 Xinxia Road, Yiqiao Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Zongxing Gear Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20190727 |