CN203568741U - Ring chain electric hoist chain device - Google Patents
Ring chain electric hoist chain device Download PDFInfo
- Publication number
- CN203568741U CN203568741U CN201320566478.1U CN201320566478U CN203568741U CN 203568741 U CN203568741 U CN 203568741U CN 201320566478 U CN201320566478 U CN 201320566478U CN 203568741 U CN203568741 U CN 203568741U
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- chain
- gear
- assembly
- guide
- speed reducer
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Abstract
The utility model discloses a ring chain electric hoist chain device which comprises a shared box body, a motor assembly and a speed reducer assembly. The motor assembly and the speed reducer assembly are arranged on the two sides of the shared box body respectively. Supporting bearings are arranged at the two ends of an output shaft of the speed reducer assembly respectively. The supporting bearings are fixed on supporting bearing bases in the shared box body. The ring chain electric hoist chain device is characterized in that a chain assembly is further included, the chain assembly comprises a chain wheel and a chain guiding device for preventing a chain from falling off, the chain wheel is arranged on the output shaft of the speed reducer assembly and is placed between the two supporting bearings, the chain guiding device comprises a chain guiding ring and two chain guiding plates which are connected with a chain inlet and a chain outlet of the chain guiding ring respectively, the chain guiding ring is arranged on the outer side of the chain wheel, and the chain is placed between the chain wheel and the chain guiding ring and is wound on the chain wheel. The ring chain electric hoist chain device is compact in structure and can effectively prevent the chain from falling off.
Description
Technical field
the utility model belongs to Electric Chain Blocks chain structure technical field, relates in particular to a kind of Electric Chain Blocks chain device.
Background technology
electric Chain Blocks is a kind of small-sized weight-lifting equipment, be mainly used in factory's storehouse, fondouk, supermarket, market, the places such as storage department, Electric Chain Blocks of the prior art is mainly by retarder, motor and chain form, but due to retarder, the layout of motor and chain is unreasonable, cause the volume of Electric Chain Blocks larger, the amount of parts of Electric Chain Blocks is a lot of simultaneously, because its parts mostly are nonstandard part, produce these parts and also need to customize a lot of moulds, this is just unfavorable for the production control of parts, also be unfavorable for the control of Electric Chain Blocks production process risk, and for the chain being around on sprocket wheel, well do not protect in prior art, often in uphill process, easily take off chain, cause the safety of Electric Chain Blocks low.
Summary of the invention
the utility model object is: a kind of Electric Chain Blocks chain device is provided, and it is compact conformation not only, and can guarantee chain difficult drop-off.
the technical solution of the utility model is: a kind of Electric Chain Blocks chain device, comprise and share casing and be divided into motor assembly and the speed reducer assembly that shares casing both sides, the output shaft two ends of described speed reducer assembly are respectively installed with backup bearing, and described backup bearing is fixed in the supporting bearing base of described shared box house; Characterized by further comprising chain assembly, described chain assembly comprises sprocket wheel, chain and prevents the chain guide device of chain releasing, and described sprocket wheel is located on the output shaft of described speed reducer assembly, and this sprocket wheel is between two backup bearings; Described chain guide device comprises guide chain ring and two guide chain plates, described two guide chain plates are connected with the chain import and export of described guide chain ring respectively, described guide chain is located on described sprocket wheel outside, and described chain is between described sprocket wheel and described guide chain ring and be around on described sprocket wheel.
preferably, be provided with the criss-cross groove for guide chain on described guide chain plate, this criss-cross groove mainly plays guide chain effect, guarantees that chain operates steadily on sprocket wheel simultaneously; And on the hook shell of suspension hook group, be also provided with the criss-cross groove for guide chain.
preferably, the guide chain plate of described guide chain plate for adopting ductile cast iron material to make, the guide chain ring of described guide chain ring for adopting nylon material to make; Adopt guide chain plate that ductile cast iron material makes can actv. to increase the resistance to abrasion of guide chain plate, adopt guide chain ring that nylon material makes can actv. to guarantee under the impact loading of chain not cracky.
preferably, described chain assembly also comprises suspension hook group and collection chain cover, and described shared bottom half is fixed in described chain one end, and the other end, successively through suspension hook group, chain guide device, is finally fixed on described collection chain cover inner.Employing is established a guide chain ring in sprocket wheel outside, and actv. has reduced the chain risk that easily de-chain brings in sprocket rotation process, and the chain import and export at guide chain ring is provided with guide chain plate simultaneously, also can prevent that chain from taking off chain by actv..
preferably, described speed reducer assembly also comprises input gear, output gear, the first gear wheel shaft, the second gear wheel shaft and being set with in the first gear and second gear of described the first gear wheel shaft and described second gear wheel shaft one end; The rotor output shaft that described motor assembly is provided with is connected with described input gear, described output gear cantilevered is arranged in output shaft one end of speed reducer assembly, described input gear and described the first gear engagement, described the first gear wheel shaft and described the second gear engagement, described the second gear wheel shaft and the engagement of described output gear, and the two ends at described the first gear wheel shaft and described the second gear wheel shaft are equipped with fixed type bearing, described shared box house is provided with the fixed bearing block matching with described fixed type bearing.
the rotor output shaft of motor assembly described in the utility model adopts the mode of interference fit to be connected with the input gear of described speed reducer assembly, using rotor output shaft directly as the input shaft of described speed reducer assembly, there is centering property good, load-carrying capacity is high, the advantage of the load that can withstand shocks, and little to the strength reduction of rotor output shaft; Described the second gear wheel shaft adopts the mode of interference fit to be connected with described second stage gear, is conducive to reduce the size of the second gear wheel shaft; Because the output shaft of described speed reducer assembly need to transmit larger torque, described output shaft adopts the mode of transition fit to be connected with described output gear, and described output shaft also adopts key to be connected with described output gear simultaneously, facilitates installation more.
more preferred; described speed reducer assembly also comprises overload protection power-transfer clutch and for adjusting the adjusting nut of described overload protection power-transfer clutch; described overload protection power-transfer clutch is set with and is connected on described the first gear wheel shaft and with described the first gear, and described adjusting nut is located at described first gear wheel shaft one end.
more preferred, the rotor output shaft end of described motor assembly is fixed on the rotor front end seat that described shared box house is provided with, the rotor other end of described motor assembly is provided with rotor rear side housing, and described rotor rear side housing is connected with described shared casing one side.
further preferably, on described rotor, drg is installed, and the friction disc of described drg is connected with described rotor rear side housing.
preferably, the utility model also comprises box body connecting plate, described shared casing top is provided with the perforation mount pad of two row's symmetries, and described box body connecting plate is positioned between the symmetrical perforation mount pad of described two row and fixes by two groups of bolts, and the bore a hole number of mount pad of described every row is at least 2.
preferably, the left and right case lid that described shared casing comprises main box and is located at respectively described main box arranged on left and right sides.
concrete installation steps of the present utility model are as follows:
(1) the utility model is before assembling, first each parts assembly is assembled in advance, finally assemble with shared casing of the present utility model again, adopted this kind of integral type mounting structure, the quantity that can actv. reduces moulds of industrial equipment, actv. is controlled the production risk of each parts assembly, increases the safety of the utility model integral body, can also make structure of the present utility model compacter by rational layout simultaneously.
(2) speed reducer assembly described in the utility model and motor assembly share a main box, first for motor assembly, assemble, the rotor of this motor assembly adopts rotor rear side housing and is fixed with the integrated rotor front end of main box seat, described rotor rear side housing is connected by holding screw with main box one side, the rotor of motor assembly and this main box adopt the mode excessively coordinating to install, thereby guarantee that motor installation and maintenance are convenient, after rotor installation, drg is installed on rotor, then electrical equipment assembly is installed, finally cover the right case lid that shares casing, the speed reducer assembly in left side is installed afterwards, first the first gear wheel shaft, the second gear wheel shaft, output shaft, sprocket wheel and corresponding bearing is assembled, then correspondence is installed input gear, the first gear, and the second gear and output gear, finally cover left case lid.
(3) complete after the installation of speed reducer assembly, motor assembly and main box; the parts such as chain guide device, chain, collection chain cover, suspension hook group and electrical equipment quick joint are installed again; finally by adjusting nut, complete the setting of Electric Chain Blocks overload protection, complete the installation of Electric Chain Blocks chain device.
the utility model has the advantages that:
1. in the utility model, the output shaft of described sprocket wheel and described speed reducer assembly is become to as a whole, be conducive to guarantee total quality of the present utility model, make integral structure compacter.
. adopt in sprocket wheel outside and establish a guide chain ring, actv. has reduced the chain risk that easily de-chain brings in sprocket rotation process, chain import and export at guide chain ring is provided with guide chain plate simultaneously, also can prevent that chain from taking off chain by actv., on described guide chain plate, be provided with the criss-cross groove for guide chain simultaneously, this criss-cross groove mainly plays guide chain effect, guarantees that chain operates steadily on sprocket wheel simultaneously.
. adopt guide chain plate that ductile cast iron material makes can actv. to increase the resistance to abrasion of guide chain plate simultaneously, adopt guide chain ring that nylon material makes can actv. to guarantee under the impact loading of chain not cracky.
. the utility model adopts speed reducer assembly, the rational deployment of motor assembly and chain assembly, make structure of the present utility model compacter, by being located at the backup bearing at the output shaft two ends of described speed reducer assembly, support heavy lift simultaneously, and output gear cantilevered is arranged in to output shaft one end of described speed reducer assembly, actv. has improved the stressing conditions of output shaft, has guaranteed safety of the present utility model.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the utility model is further described:
fig. 1 is the utility model mounting structure schematic diagram;
fig. 2 is the utility model speed reducer assembly structural representation;
fig. 3 is the utility model motor assembly structural representation;
fig. 4 is the utility model chain assembly structure schematic diagram;
wherein: 1a main box, the left case lid of 1b, the right case lid of 1c; 2 speed reducer assemblies, 2a the first gear wheel shaft, 2b the second gear wheel shaft, 2c output shaft, 2d input gear, 2e the first gear, 2f the second gear, 2g output gear, 2h backup bearing, 2i fixed type bearing, 2j overload protection power-transfer clutch, 2k adjusting nut; 3 motor assemblies, 3a rotor, 3b rotor output shaft, 3c drg, 3d rotor rear side housing; 4 chain assemblies, 4a chain, 4b sprocket wheel, 4c-1 guide chain ring, 4c-2 guide chain plate, 4d suspension hook group, 4e collection chain cover.
The specific embodiment
embodiment: shown in Fig. 1,2,3,4, a kind of Electric Chain Blocks chain device, comprises speed reducer assembly 2, motor assembly 3, chain assembly 4 and shared casing; Speed reducer assembly 2 comprises the first gear wheel shaft 2a, the second gear wheel shaft 2b, output shaft 2c, input gear 2d, the first gear 2e, the second gear 2f and output gear 2g, motor assembly 3 comprises rotor 3a, rotor output shaft 3b and drg 3c, and chain assembly 4 comprises chain 4a, sprocket wheel 4b, chain guide device 4c, suspension hook group 4d and collection chain cover 4e, left and right case lid 1b, 1c that shared casing comprises main box 1a and is located at respectively main box 1a arranged on left and right sides.
with reference to Fig. 1, 2, 3, shown in 4, the rotor output shaft 3b end of the utility model motor assembly 3 is fixed on the rotor front end seat that shares box house, the rotor 3a other end of motor assembly 3 is provided with rotor rear side housing 3d, rotor rear side housing 3d is connected with shared casing one side, speed reducer assembly 2 is located at the opposite side that shares casing, the rotor output shaft 3b of motor assembly 3 is connected with the input gear 2d of speed reducer assembly 2 simultaneously, the output gear 2g cantilevered of speed reducer assembly 2 is arranged in output shaft 2c one end of speed reducer assembly 2, and the output shaft 2c two ends of speed reducer assembly 2 are also respectively installed with backup bearing 2h, backup bearing 2h is fixed in the supporting bearing base that shares box house, the sprocket wheel 4b of chain assembly 4 is located on the output shaft 2c of speed reducer assembly 2, and this sprocket wheel 4b is between two backup bearing 2h, drg 3c is installed on rotor 3a, and the friction disc of drg 3c is connected with rotor rear side housing 3d.The utility model is by reasonably arranging speed reducer assembly 2, and the position of motor assembly 3 and chain assembly 4, makes structure of the present utility model compacter; Sprocket wheel 4b is located on the output shaft 2c of speed reducer assembly 2 simultaneously, and support heavy lift by being located at the backup bearing 2h at the output shaft 2c two ends of speed reducer assembly 2, and output gear 2g cantilevered is arranged in to output shaft 2c one end of speed reducer assembly 2, actv. has improved the stressing conditions of output shaft 2c, guaranteed safety of the present utility model, the output shaft 2c of sprocket wheel 4b and speed reducer assembly 2 becomes as a whole simultaneously, be conducive to guarantee total quality of the present utility model, make integral structure compacter.
shown in Fig. 1,2,3, the first gear 2e of speed reducer assembly 2 and the second gear 2f are set with in the first gear wheel shaft 2a and second gear wheel shaft 2b one end, input gear 2d and the first gear 2e engagement simultaneously, the first gear wheel shaft 2a and the second gear 2f engagement, the second gear wheel shaft 2b and output gear 2g engagement, and the two ends at the first gear wheel shaft 2a and the second gear wheel shaft 2b are equipped with fixed type bearing 2i, and shared box house is provided with the fixed bearing block matching with fixed type bearing 2i; Overload protection power-transfer clutch 2j is set with upper with the first gear wheel shaft 2a and is connected with the first gear 2e, is located at first gear wheel shaft 2a one end for adjusting the adjusting nut 2k of overload protection power-transfer clutch 2j simultaneously.The rotor output shaft 3b of motor assembly 3 adopts the mode of interference fit to be connected with the input gear 2d of speed reducer assembly 2, using rotor output shaft 3b directly as the input shaft of speed reducer assembly 2, there is centering property good, load-carrying capacity is high, the advantage of the load that can withstand shocks, and little to the strength reduction of rotor output shaft 3b; The second gear wheel shaft 2b adopts the mode of interference fit to be connected with second stage gear 2f, is conducive to reduce the size of the second gear wheel shaft 2b; Because the output shaft 2c of speed reducer assembly 2 need to transmit larger torque, output shaft 2c adopts the mode of transition fit to be connected with output gear 2g, and output shaft 2c also adopts key to be connected with output gear 2g simultaneously, facilitates installation more.
shown in Fig. 1,4, chain guide device comprises guide chain ring 4c-1 and two guide chain plate 4c-2, two guide chain plate 4c-2 are connected with the chain 4a import and export of guide chain ring 4c-1 respectively, and guide chain ring 4c-1 is located at sprocket wheel 4b outside, and chain 4a is between sprocket wheel 4b and guide chain ring 4c-1 and be around on sprocket wheel 4b; Chain 4a is fixed on one end and shares on bottom half, and successively through suspension hook group 4d, chain guide device, it is inner that the other end of last chain 4a is fixed on collection chain cover 4e; Employing is established a guide chain ring 4c-1 in sprocket wheel 4a outside, and actv. has reduced the chain 4a risk that easily de-chain brings in sprocket wheel 4b rotation process, is provided with guide chain plate at the chain 4a of guide chain ring 4c-1 import and export simultaneously, also can prevent that chain 4a from taking off chain by actv.; On guide chain plate 4c-2, be provided with the criss-cross groove for guide chain, this criss-cross groove mainly plays guide chain effect, guarantees that chain 4a operates steadily on sprocket wheel 4b simultaneously; And on the hook shell of suspension hook group 4d, be also provided with the criss-cross groove for guide chain.The guide chain plate of guide chain plate 4c-2 for adopting ductile cast iron material to make, the guide chain ring of guide chain ring 4c-1 for adopting nylon material to make; Adopt guide chain plate 4c-2 that ductile cast iron material makes can actv. to increase the resistance to abrasion of guide chain plate, adopt guide chain ring 4c-1 that nylon material makes can actv. to guarantee under the impact loading of chain not cracky.
shown in Fig. 1, left and right case lid 1b, 1c that shared casing comprises main box 1a and is located at respectively main box 1a arranged on left and right sides, and at shared casing top, be provided with the perforation mount pad of two row's symmetries, box body connecting plate is positioned between the perforation mount pad of two row's symmetries and fixes by two groups of bolts, and the bore a hole number of mount pad of every row is at least 2.
shown in Fig. 1,2,3,4, concrete installation steps of the present utility model are as follows:
(1) the utility model is before assembling, first each parts assembly is assembled in advance, finally assemble with shared casing of the present utility model again, adopted this kind of integral type mounting structure, the quantity that can actv. reduces moulds of industrial equipment, actv. is controlled the production risk of each parts assembly, increases the safety of the utility model integral body, can also make structure of the present utility model compacter by rational layout simultaneously.
(2) speed reducer assembly in the utility model 2 and motor assembly 3 share a main box 1a, first for motor assembly 3, assemble, the rotor 3a of this motor assembly 3 adopts rotor rear side housing 3d and is fixed with the integrated rotor front end of main box 1a seat, rotor rear side housing 3d is connected by holding screw with main box 1a mono-side, the rotor 3a of motor assembly 3 and this main box 1a adopt the mode excessively coordinating to install, thereby guarantee that motor installation and maintenance are convenient, after rotor 3a installation, drg 3c is installed on rotor 3a, then electrical equipment assembly is installed, finally cover the right case lid 1c that shares casing, the speed reducer assembly 2 in left side is installed afterwards, first the first gear wheel shaft 2a, the second gear wheel shaft 2b, output shaft 2c, sprocket wheel 4b and corresponding bearing are assembled, then corresponding input gear 2d, the first gear 2e of installing, the second gear 2f and output gear 2g, finally cover left case lid 1b.
(3) complete after the installation of speed reducer assembly 2, motor assembly 3 and main box 1a; the parts such as chain guide device, chain 4a, collection chain cover 4e, suspension hook group 4d and electrical equipment quick joint are installed again; finally by adjusting nut 2k, complete the setting of Electric Chain Blocks overload protection, complete the installation of Electric Chain Blocks chain device.
above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications of doing according to the Spirit Essence of the utility model main technical schemes, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. an Electric Chain Blocks chain device, comprise and share casing and be divided into motor assembly and the speed reducer assembly that shares casing both sides, the output shaft two ends of described speed reducer assembly are respectively installed with backup bearing, and described backup bearing is fixed in the supporting bearing base of described shared box house; Characterized by further comprising chain assembly, described chain assembly comprises sprocket wheel, chain and prevents the chain guide device of chain releasing, and described sprocket wheel is located on the output shaft of described speed reducer assembly, and this sprocket wheel is between two backup bearings; Described chain guide device comprises guide chain ring and two guide chain plates, described two guide chain plates are connected with the chain import and export of described guide chain ring respectively, described guide chain is located on described sprocket wheel outside, and described chain is between described sprocket wheel and described guide chain ring and be around on described sprocket wheel.
2. Electric Chain Blocks chain device according to claim 1, is characterized in that, is provided with the criss-cross groove for guide chain on described guide chain plate.
3. Electric Chain Blocks chain device according to claim 1, is characterized in that, the guide chain plate of described guide chain plate for adopting ductile cast iron material to make, the guide chain ring of described guide chain ring for adopting nylon material to make.
4. Electric Chain Blocks chain device according to claim 1, it is characterized in that, described chain assembly also comprises suspension hook group and collection chain cover, described shared bottom half is fixed in described chain one end, the other end, successively through suspension hook group, chain guide device, is finally fixed on described collection chain cover inner.
5. Electric Chain Blocks chain device according to claim 1, it is characterized in that, described speed reducer assembly also comprises input gear, output gear, the first gear wheel shaft, the second gear wheel shaft and being set with in the first gear and second gear of described the first gear wheel shaft and described second gear wheel shaft one end; The rotor output shaft that described motor assembly is provided with is connected with described input gear, described output gear cantilevered is arranged in output shaft one end of speed reducer assembly, described input gear and described the first gear engagement, described the first gear wheel shaft and described the second gear engagement, described the second gear wheel shaft and the engagement of described output gear, and the two ends at described the first gear wheel shaft and described the second gear wheel shaft are equipped with fixed type bearing, described shared box house is provided with the fixed bearing block matching with described fixed type bearing.
6. Electric Chain Blocks chain device according to claim 5; it is characterized in that; described speed reducer assembly also comprises overload protection power-transfer clutch and for adjusting the adjusting nut of described overload protection power-transfer clutch; described overload protection power-transfer clutch is set with and is connected on described the first gear wheel shaft and with described the first gear, and described adjusting nut is located at described first gear wheel shaft one end.
7. Electric Chain Blocks chain device according to claim 5, it is characterized in that, the rotor output shaft end of described motor assembly is fixed on the rotor front end seat that described shared box house is provided with, the rotor other end of described motor assembly is provided with rotor rear side housing, and described rotor rear side housing is connected with described shared casing one side.
8. Electric Chain Blocks chain device according to claim 7, is characterized in that, on the rotor being provided with, drg is installed in described motor assembly, and the friction disc of described drg is connected with described rotor rear side housing.
9. Electric Chain Blocks chain device according to claim 1, it is characterized in that, also comprise box body connecting plate, described shared casing top is provided with the perforation mount pad of two row's symmetries, described box body connecting plate is positioned between the symmetrical perforation mount pad of described two row and fixes by two groups of bolts, and the bore a hole number of mount pad of described every row is at least 2.
10. Electric Chain Blocks chain device according to claim 1, is characterized in that, the left and right case lid that described shared casing comprises main box and is located at respectively described main box arranged on left and right sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566478.1U CN203568741U (en) | 2013-09-13 | 2013-09-13 | Ring chain electric hoist chain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566478.1U CN203568741U (en) | 2013-09-13 | 2013-09-13 | Ring chain electric hoist chain device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203568741U true CN203568741U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566478.1U Expired - Lifetime CN203568741U (en) | 2013-09-13 | 2013-09-13 | Ring chain electric hoist chain device |
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| Country | Link |
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| CN (1) | CN203568741U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210972A (en) * | 2014-08-25 | 2014-12-17 | 苏州中州安勃起重有限公司 | Anti-breakage electric chain hoist |
| CN104310263A (en) * | 2014-08-25 | 2015-01-28 | 苏州中州安勃起重有限公司 | Handcart type electric chain hoist |
| CN104787692A (en) * | 2015-04-28 | 2015-07-22 | 江阴市鼎力起重机械有限公司 | Fixed-type electric chain hoist reducer |
| CN104803313A (en) * | 2015-04-28 | 2015-07-29 | 江阴市鼎力起重机械有限公司 | Bearing frame for fixed electric ring-chain hoist |
| CN104817029A (en) * | 2015-04-28 | 2015-08-05 | 江阴市鼎力起重机械有限公司 | Fixed annular chain electric hoist |
| CN110670059A (en) * | 2019-10-10 | 2020-01-10 | 浙江冠林机械有限公司 | Automatic processing production line for electric hoist |
| CN111776968A (en) * | 2020-06-15 | 2020-10-16 | 台州博能起重机械设备有限公司 | Double-chain electric hoist |
| CN114538268A (en) * | 2022-04-27 | 2022-05-27 | 苏州柳溪机电工程有限公司 | Lifting device |
-
2013
- 2013-09-13 CN CN201320566478.1U patent/CN203568741U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210972A (en) * | 2014-08-25 | 2014-12-17 | 苏州中州安勃起重有限公司 | Anti-breakage electric chain hoist |
| CN104310263A (en) * | 2014-08-25 | 2015-01-28 | 苏州中州安勃起重有限公司 | Handcart type electric chain hoist |
| CN104787692A (en) * | 2015-04-28 | 2015-07-22 | 江阴市鼎力起重机械有限公司 | Fixed-type electric chain hoist reducer |
| CN104803313A (en) * | 2015-04-28 | 2015-07-29 | 江阴市鼎力起重机械有限公司 | Bearing frame for fixed electric ring-chain hoist |
| CN104817029A (en) * | 2015-04-28 | 2015-08-05 | 江阴市鼎力起重机械有限公司 | Fixed annular chain electric hoist |
| CN110670059A (en) * | 2019-10-10 | 2020-01-10 | 浙江冠林机械有限公司 | Automatic processing production line for electric hoist |
| CN110670059B (en) * | 2019-10-10 | 2020-07-17 | 浙江冠林机械有限公司 | Automatic processing production line for electric hoist |
| CN111776968A (en) * | 2020-06-15 | 2020-10-16 | 台州博能起重机械设备有限公司 | Double-chain electric hoist |
| CN111776968B (en) * | 2020-06-15 | 2022-04-01 | 浙江中起起重科技有限公司 | Double-chain electric hoist |
| CN114538268A (en) * | 2022-04-27 | 2022-05-27 | 苏州柳溪机电工程有限公司 | Lifting device |
| CN114538268B (en) * | 2022-04-27 | 2022-06-24 | 苏州柳溪机电工程有限公司 | Lifting device |
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Granted publication date: 20140430 |
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