CN203638911U - Construction hoist main machine with spring shock-absorption device - Google Patents
Construction hoist main machine with spring shock-absorption device Download PDFInfo
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- CN203638911U CN203638911U CN201320831795.1U CN201320831795U CN203638911U CN 203638911 U CN203638911 U CN 203638911U CN 201320831795 U CN201320831795 U CN 201320831795U CN 203638911 U CN203638911 U CN 203638911U
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- vibration damper
- spring vibration
- boss
- pilot bar
- spring
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Abstract
The utility model provides a construction hoist main machine with a spring shock-absorption device and belongs to the technical field of driving of construction hoist main machines. The construction hoist main machine comprises a spring shock-absorption device, a driving plate and a driven plate, wherein the opposite faces of the driving plate and the driven plate are provided with a groove and a boss which can be mutually nested with each other in a machining mode, the driving plate and the driven plate rotate relatively, the spring shock-absorption device is installed in a space formed by the groove and the boss which are mutually nested with each other and comprises a first guide rod, a second guide rod and a spring. The first guide rod and the second guide rod are provided with end portions and guide portions and assembled in a matched mode, the spring sleeves the guide portions of the first guide rod and the second guide rod, two ends of the spring respectively abuts against the end portions of the first guide rod and the second guide rod, and the first guide rod and the second guide rod can perform relative motion to achieve spring compression and release. The construction hoist main machine is safe in use, long in service life, simple in structure, low in cost, convenient to install and capable of reducing produced shake and noise of a coupler or a driven wheel in running and adapting to occasions having high environment noise requirements.
Description
Technical field
The utility model belongs to building hoist actuation techniques field, is specifically related to a kind of building hoist main frame with spring vibration damper.
Background technology
Building hoist is the equipment of a kind of frequent starting and braking, and on building hoist, frequency converter is not generally installed, and has caused building hoist to start and larger vibrations and the noise of generation when moment braking in moment.Concrete structure and process are: between the motor and speed reducer of building hoist main frame, adopt existing coupler to connect, existing coupler comprises the motor side half a coupler being connected with motor shaft and the reductor end half a coupler being connected with reductor input shaft, and two half a couplers are mutually chimeric passes to reductor by motor torque.Between motor side half a coupler and reductor end half a coupler, non-metal elastic component is installed, the characteristic of this non-metal elastic component is nonlinear, cannot estimate by its deflection its elastic force, thereby cannot carry out elevator main frame and more reasonably design.In addition, the oxygen resistence of non-metallic material, poor heat resistance, easily aged deterioration, after long-term use, can there is permanent deformation, lose the effect of damping noise reduction, if do not change in time, in the time that building hoist starts suddenly, electrical power moment, motor side half a coupler moment rotates and rushes at static reductor end half a coupler, produces vibrations and noise; In the time that building hoist main frame is braked suddenly on motor, motor side half a coupler moment stops, and rotate and rush at motor side half a coupler because the effect of load makes reductor end half a coupler, produce vibrations and noise, either way can affect the comfort of taking, shorten the service life of parts.
In addition, gear is the crucial drive disk assembly of reductor on building hoist, normally work in order to make gear, between being connected, key between driving gear and driven gear and on driven gear and driven shaft all leaves certain back lash, in the time that motor moment starts, driving gear moment rotates and rushes at fast static driven gear, produces vibrations and noise; In the time that building hoist is braked suddenly on motor, driving gear moment stops, and because the effect of load rotates flower wheel and rushes at driving gear, between gear, mutually impact, produce vibrations and noise, thereby make gear wear fast, shorten the service life of equipment.
In view of above-mentioned prior art, be necessary the shock-reducing and noise-reducing structure in existing building hoist main frame to be improved, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
Task of the present utility model be to provide a kind of simple in structure, cost is low, easy for installation, damping noise reduction is effective, the building hoist main frame with spring vibration damper of long service life, this spring vibration damper is installed on the coupler or flower wheel of building hoist main frame, can effectively solve the impact that the impact that causes because of building hoist produces coupler or gear pair in frequent starting and braking procedure, make the building hoist higher occasion of noise requirements that can conform.
Task of the present utility model completes like this: a kind of building hoist main frame with spring vibration damper, comprise spring vibration damper, driving disc spacing pressing and clutch plate, it is characterized in that: on the described driving disc spacing pressing face relative with clutch plate, be processed with respectively can be mutually chimeric groove and boss, and driving disc spacing pressing and clutch plate can relatively rotate, in the space that boss tabling on groove and clutch plate on driving disc spacing pressing forms, spring vibration damper is installed, described spring vibration damper comprises the first pilot bar, the second pilot bar and spring, described first, the second pilot bar all has an end and a guide part, both supporting assemblings, described spring housing is loaded on first, on the guide part of the second pilot bar and two ends withstand on respectively first, on the end of the second pilot bar, described first, the second pilot bar can be movable relatively and realizes compression and the release of spring, first, the end of the second pilot bar coordinates with the groove of driving disc spacing pressing and the boss of clutch plate respectively.
In a specific embodiment of the present utility model, described building hoist main frame comprises motor, coupler and reductor, described coupler comprises spring vibration damper recited above, the direct coupled flower keyboard as clutch plate being connected as the motor side coupler of driving disc spacing pressing and with the input shaft of reductor of motor shaft with motor, described motor side coupler and described flower keyboard have respectively groove and boss that can be mutually chimeric on the face corresponding to each other, and motor shaft coupler and flower keyboard can relatively rotate, in the space that boss tabling on groove and flower keyboard on motor side coupler forms, spring vibration damper is installed, first of described spring vibration damper, the second pilot bar, end coordinate with the groove of motor side coupler and the boss of flower keyboard respectively.
In another specific embodiment of the present utility model, groove tabling on boss on described flower keyboard and motor side coupler and the space that forms are for being with oblong slots jaggy, the two ends of described oblong slots are arcwall face, in described oblong slots, spring vibration damper is installed, first of described spring vibration damper, the second pilot bar all has a curved end and a cylinder guide part, first, the curved end of the second pilot bar coordinates with the arcwall face at oblong slots two ends respectively, first, the second pilot bar corresponds to each other and arranged coaxial, the spring housing of described spring vibration damper is loaded on first, on the cylinder guide part of the second pilot bar and two ends withstand on respectively first, on the curved end of the second pilot bar.
In another specific embodiment of the present utility model, the two ends of described oblong slots are semi-cylindrical, and the curved end on first, second described pilot bar is also semi-cylindrical.
In another specific embodiment of the present utility model, described building hoist main frame comprises motor, coupler and reductor, described coupler comprises spring vibration damper recited above, the damping disc as driving disc spacing pressing being indirectly connected with the motor shaft of motor, the flower keyboard as clutch plate being connected with the input shaft of reductor, on the face that described damping disc and described flower keyboard correspond to each other, there is respectively groove and boss, groove tabling on boss and damping disc on flower keyboard and can be movable relatively, in the space that both tablings form, spring vibration damper is installed, first of described spring vibration damper, the end of the second pilot bar coordinates with the groove of damping disc and the boss of flower keyboard respectively.
Also have in a specific embodiment of the present utility model, described coupler also comprises the motor side coupler and the elastic component that are directly connected with the motor shaft of motor, described motor side coupler and described damping disc have chimeric the first double wedge and the second double wedge mutually on the face corresponding to each other, realize the interlock between motor side coupler and damping disc, in the space that the second double wedge tabling of the first double wedge of motor side coupler and damping disc forms, elastic component is installed.
In of the present utility model and then a specific embodiment, described elastic component is the quincunx elastic component with eight hemp nettle lobes, the quantity of the first described double wedge and the second described double wedge is eight altogether, and described quincuncial elastic component is monomer cast nylon elastic component or elastic polyurethane part.
More of the present utility model and in a specific embodiment, described flower keyboard middle part is processed with the bearing seat for probeing into described damping disc inner ring, on bearing seat, be set with antifriction-bearing box and realize the fixing of bearing inner ring by clip plate and fastener, the outer ring of described antifriction-bearing box is placed on the inner ring of damping disc and realizes the fixing of outside race by outer plate and fastener.
In again of the present utility model and then a specific embodiment, described building hoist main frame comprises reductor, described reductor comprises driving wheel, flower wheel, described flower wheel comprises spring vibration damper recited above, be meshed with driving wheel as the toothed disc of driving disc spacing pressing and the flower keyboard as clutch plate for being connected with the driven shaft of reductor, described toothed disc and described flower keyboard have respectively groove and boss on the face corresponding to each other, groove tabling on boss and toothed disc on flower keyboard and can be movable relatively, in the space that both tablings form, spring vibration damper is installed, first of described spring vibration damper, the end of the second pilot bar coordinates with the groove of toothed disc and the boss of flower keyboard respectively.
In more of the present utility model and then a specific embodiment, described flower wheel also comprises antifriction-bearing box, described flower keyboard middle part is processed with the bearing seat for probeing into described toothed disc inner ring, on bearing seat, be set with antifriction-bearing box and realize the fixing of bearing inner ring by clip plate and fastener, the outer ring of described antifriction-bearing box is placed on the inner ring of toothed disc and realizes the fixing of outside race by outer plate and fastener.
The utility model is owing to adopting after said structure, one of advantage having, spring are metallic materials, its characteristic is linear, can estimate by the deflection of spring its elastic force, more reasonably design thereby carry out elevator main frame, spring vibration damper has been replaced the cushion blocking of the non-metallic material in prior art, has avoided catabiosis, in the service life that has extended equipment, eliminate safe hidden trouble; Advantage two, simple in structure, cost is low, easy for installation, effectively reduce vibrations and noise that coupler or flower wheel produce in the time of operation, reduce the rigid impact between coupler or gear pair, avoid beating tooth phenomenon, the higher occasion of noise requirements thereby the building hoist main frame that makes to be provided with this coupler and/or flower wheel can conform.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram of the coupler on the building hoist main frame of the utility model band spring vibration damper.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is another example structure schematic diagram of the coupler on the building hoist main frame of the utility model band spring vibration damper.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5 is the C-C cutaway view of Fig. 3.
Fig. 6 is the structural representation from gear on the building hoist main frame of the utility model band spring vibration damper.
Fig. 7 is the D-D cutaway view of Fig. 6.
In figure: 1. spring vibration damper, 11. first pilot bars, 12. second pilot bars, 13. springs; 2. motor side coupler, 21. grooves; 3. flower keyboard, 31. boss; 4. motor side coupler, 41. first double wedges; 5. damping disc, 51. second double wedges, 52. grooves; 6. elastic component, 7. flower keyboard, 71. boss; 8. outer plate, 9. antifriction-bearing box, 10. clip plate, 14. toothed discs, 141. grooves; 15. flower keyboards, 151. boss; 16. motor shafts; 17. input shafts; 18. driven shafts.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, applicant elaborates the mode with embodiment below by reference to the accompanying drawings, but be not all the restriction to technical solutions of the utility model to the description of embodiment, any done according to the utility model design only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Refer to Fig. 1, Fig. 2, building hoist main frame with spring vibration damper described in the present embodiment comprises motor, coupler and reductor, described coupler comprises spring vibration damper 1, motor side coupler 2 and flower keyboard 3, described motor side coupler 2 is connected with the motor shaft 16 of motor by key, the inner ring of described flower keyboard 3 is spline structure, for being connected with the input shaft 17 of reductor, by the transmission of torque of motor to reductor.Described motor side coupler 2 along the circumferential direction evenly has groove 21 on the face towards flower keyboard 3, described flower keyboard 3 is along the circumferential direction evenly processed with boss 31 on the face towards motor side coupler 2, boss 31 on flower keyboard 3 embeds in the groove 21 on motor side coupler 2, groove 21 tablings of the boss 31 of flower keyboard 3 and motor side coupler 2 and the space that forms are for being with oblong slots jaggy, the two ends of described oblong slots are semi-cylindrical, spring vibration damper 1 is installed in each oblong slots, and described spring vibration damper 1 is by first, the second pilot bar 11, 12 and spring 13 form, described first, the second pilot bar 11, 12 are all made up of half cylindrical end and a cylinder guide part, and the square-section of one end of cylinder guide part and semicolumn end joins and forms pilot bar entirety, first, the second pilot bar 11, 12 semicolumn end is inlaid in respectively in the semi-cylindrical at oblong slots two ends, and first, the second pilot bar 11, 12 relative and arranged coaxial, described spring 13 is set in first, the second pilot bar 11, on 12 cylinder guide part and two ends withstand on respectively first, the second pilot bar 11, on 12 semicolumn end.
Refer to Fig. 3, Fig. 4, building hoist main frame with spring vibration damper described in the present embodiment comprises motor, coupler and reductor, described coupler comprises spring vibration damper 1, motor side coupler 4, damping disc 5, elastic component 6, flower keyboard 7 and antifriction-bearing box 9, described motor side coupler 4 is connected with the motor shaft 16 of motor by key, described flower keyboard 7 is connected with the input shaft 17 of reductor, the transmission of torque of motor, to reductor, is also provided with to damping disc 5 between motor side coupler 4 and flower keyboard 7.Described motor side coupler 4 has quincuncial the first double wedge 41 and the second double wedge 51 with described damping disc 5 on the face corresponding to each other, both are mutually chimeric, in space between the first double wedge 41 of motor side coupler 4 and the second double wedge 51 of damping disc 5, quincuncial elastic component 6 is installed, described quincuncial elastic component 6 is eight hemp nettle lobes, the quantity of the first described double wedge 41 and the second described double wedge 51 is eight altogether, and described quincuncial elastic component 6 is monomer cast nylon elastic component or elastic polyurethane part.
Refer to Fig. 3, Fig. 5, described damping disc 5 along the circumferential direction evenly has groove 52 on the face towards flower keyboard 7, described flower keyboard 7 is along the circumferential direction evenly processed with boss 71 on the face towards damping disc 5, boss 71 on flower keyboard 7 embeds in the groove 52 of damping disc 5, groove 52 tablings of the boss 71 of flower keyboard 7 and damping disc 5 and the space that forms are for being with oblong slots jaggy, described oblong slots two ends are semi-cylindrical, spring vibration damper 1 described in embodiment 1 is installed in each oblong slots, described first, the second pilot bar 11, 12 end coordinates with the groove 52 of damping disc 5 and the boss 71 of flower keyboard 7 respectively.The middle part of described flower keyboard 7 is also processed with the bearing seat for probeing into described damping disc 5 inner rings, on bearing seat, be set with antifriction-bearing box 9 and realize the fixing of bearing inner ring by clip plate 10 and screw, the outer ring of described antifriction-bearing box 9 is placed on the inner ring of damping disc 5 and realizes the fixing of outside race by outer plate 8 and screw.
In this embodiment, adopt the two-stage damping of quincuncial elastic component 6 and spring vibration damper 1, made the damping effect of coupler better.
Please continue to refer to Fig. 6 and Fig. 7, building hoist main frame with spring vibration damper described in the present embodiment comprises reductor, driving wheel is installed in reductor, flower wheel, described flower wheel comprises spring vibration damper 1, toothed disc 14 and flower keyboard 15, described toothed disc 14 is meshed with the driving wheel in reductor, the inner ring of described flower keyboard 15 is spline structure, for being connected with the driven shaft 18 of reductor, by the transmission of torque of driving wheel to driven shaft 18, described toothed disc 14 along the circumferential direction evenly offers groove 141 on the face towards flower keyboard 15, described flower keyboard 15 is along the circumferential direction evenly processed with boss 151 on the face towards toothed disc 14, boss 151 on flower keyboard 15 embeds in the groove 141 on toothed disc 14, groove 141 tablings of the boss 151 of flower keyboard 15 and toothed disc 14 and the space that forms are for being with oblong slots jaggy, the two ends of described oblong slots are semi-cylindrical, spring vibration damper 1 described in embodiment 1 is installed in each oblong slots, first of described spring vibration damper 1, the second pilot bar 11, 12 end coordinates with the groove 141 of toothed disc 14 and the boss 151 of flower keyboard 15 respectively.Described flower keyboard 15 middle parts are processed with the bearing seat for probeing into described toothed disc 14 inner rings, on bearing seat, be set with antifriction-bearing box 9 and realize the fixing of bearing inner ring by clip plate 10 and screw, the outer ring of described antifriction-bearing box 9 is placed on the inner ring of toothed disc 14 and realizes the fixing of outside race by outer plate 8 and screw.
Narrate operating principle of the present utility model below in conjunction with Fig. 1 to Fig. 7:
Here first the toothed disc 14 in the damping disc 5 in the motor shaft coupler 2 in Fig. 1, Fig. 3 and Fig. 6 is referred to as to driving disc spacing pressing, the flower keyboard in the flower keyboard in the flower keyboard in Fig. 13, Fig. 37 and Fig. 6 15 is referred to as to clutch plate.In the time that building hoist described in the utility model is normally worked, electrical power, the motor shaft 16 of motor directly or indirectly orders about driving disc spacing pressing and rotates, and the rotation of driving disc spacing pressing drives chimeric with it clutch plate to rotate, and the rotation of clutch plate drives again the input shaft 17 of reductor or driven shaft 18 to rotate.And building hoist starts and braking moment, the damping process of spring vibration damper is such: building hoist starts moment, for example, when motor rotates along direction E, motor shaft 16 drives driving disc spacing pressing to rotate along direction E, now clutch plate does not rotate, due to the existence of breach, driving disc spacing pressing is along the rotary compression spring 13 of direction E, along with the pressurized of spring 13, the application force that flower keyboard is subject to spring 13 also rotates gradually along direction E, then make flower keyboard be tending towards synchronizeing and rotating with driving disc spacing pressing, therefore impact and the clutch plate impact to input shaft 17 or driven shaft 18 of driving disc spacing pressing to clutch plate when spring vibration damper 1 has been avoided unexpected startup.In the time of the unexpected stop of building hoist quilt, driving disc spacing pressing moment stall, no longer drive clutch plate to rotate along direction E, and reductor is that direction F rotates because the effect of load can make input shaft 17 or driven shaft 18 along the direction contrary with direction E, thereby spring 13 is pressed to driving disc spacing pressing, driving disc spacing pressing is static, the spring 13 of pressurized reacts on clutch plate and makes clutch plate be tending towards stall, finally static, therefore the impact of clutch plate to driving disc spacing pressing avoided in the setting of spring vibration damper 1, plays the effect of damping and noise reduction.
Claims (10)
1.
with a building hoist main frame for spring vibration damper, comprise spring vibration damper (1), driving disc spacing pressing and clutch plate, it is characterized in that: on the described driving disc spacing pressing face relative with clutch plate, be processed with respectively can be mutually chimeric groove and boss, and driving disc spacing pressing and clutch plate can relatively rotate, in the space that boss tabling on groove and clutch plate on driving disc spacing pressing forms, spring vibration damper (1) is installed, described spring vibration damper (1) comprises the first pilot bar (11), the second pilot bar (12) and spring (13), described first, the second pilot bar (11, 12) all there is an end and a guide part, both supporting assemblings, described spring (13) is set in first, the second pilot bar (11, 12) on guide part and two ends withstand on respectively first, the second pilot bar (11, 12) on end, described first, the second pilot bar (11, 12) can be movable relatively and realize compression and the release of spring (13), first, the second pilot bar (11, 12) end coordinates with the groove of driving disc spacing pressing and the boss of clutch plate respectively.
2.
a kind of building hoist main frame with spring vibration damper according to claim 1, it is characterized in that described building hoist main frame comprises motor, coupler and reductor, described coupler comprises spring vibration damper recited above (1), the direct coupled flower keyboard as clutch plate (3) being connected as the motor side coupler (2) of driving disc spacing pressing and with the input shaft (17) of reductor of motor shaft (16) with motor, described motor side coupler (2) and described flower keyboard (3) have respectively groove (21) and boss (31) that can be mutually chimeric on the face corresponding to each other, and motor shaft coupler (2) and flower keyboard (3) can relatively rotate, in the space that boss (31) tabling on groove (21) and flower keyboard (3) on motor side coupler (2) forms, spring vibration damper (1) is installed, first of described spring vibration damper (1), the second pilot bar (11,12) end coordinates with the groove (21) of motor side coupler (2) and the boss (31) of flower keyboard (3) respectively.
3.
a kind of building hoist main frame with spring vibration damper according to claim 2, the space that it is characterized in that groove (21) tabling on boss (31) and the motor side coupler (2) on described flower keyboard (3) and form is for being with oblong slots jaggy, the two ends of described oblong slots are arcwall face, spring vibration damper (1) is installed in described oblong slots, first of described spring vibration damper (1), the second pilot bar (11, 12) all there is a curved end and a cylinder guide part, first, the second pilot bar (11, 12) curved end coordinates with the arcwall face at oblong slots two ends respectively, first, the second pilot bar (11, 12) correspond to each other and arranged coaxial, the spring (13) of described spring vibration damper (1) is set in first, the second pilot bar (11, 12) on cylinder guide part and two ends withstand on respectively first, the second pilot bar (11, 12) on curved end.
4.
a kind of building hoist main frame with spring vibration damper according to claim 3, the two ends that it is characterized in that described oblong slots are semi-cylindrical, the curved end on described first, second pilot bar (11,12) is also semi-cylindrical.
5.
a kind of building hoist main frame with spring vibration damper according to claim 1, it is characterized in that described building hoist main frame comprises motor, coupler and reductor, described coupler comprises spring vibration damper recited above (1), the damping disc as driving disc spacing pressing (5) being indirectly connected with the motor shaft (16) of motor, the flower keyboard as clutch plate (7) being connected with the input shaft (17) of reductor, on the face that described damping disc (5) and described flower keyboard (7) correspond to each other, there is respectively groove (52) and boss (71), groove (52) tabling on boss (71) and damping disc (5) on flower keyboard (7) and can be movable relatively, in the space that both tablings form, spring vibration damper (1) is installed, first of described spring vibration damper (1), the second pilot bar (11, 12) end coordinates with the groove (52) of damping disc (5) and the boss (71) of flower keyboard (7) respectively.
6.
a kind of building hoist main frame with spring vibration damper according to claim 5, it is characterized in that described coupler also comprises the motor side coupler (4) and the elastic component (6) that are directly connected with the motor shaft (16) of motor, described motor side coupler (4) has mutually chimeric the first double wedge (41) and the second double wedge (51) with described damping disc (5) on the face corresponding to each other, realize the interlock between motor side coupler (4) and damping disc (5), in the space that the second double wedge (51) tabling of first double wedge (41) of motor side coupler (4) and damping disc (5) forms, elastic component (6) is installed.
7.
a kind of building hoist main frame with spring vibration damper according to claim 6, it is characterized in that described elastic component (6) is for having the quincunx elastic component of eight hemp nettle lobes, the quantity of described the first double wedge (41) and described the second double wedge (51) is eight altogether, and described quincuncial elastic component (6) is monomer cast nylon elastic component or elastic polyurethane part.
8.
a kind of building hoist main frame with spring vibration damper according to claim 5, it is characterized in that described flower keyboard (7) middle part is processed with the bearing seat for probeing into described damping disc (5) inner ring, on bearing seat, be set with antifriction-bearing box (9) and realize the fixing of bearing inner ring by clip plate (10) and fastener, the outer ring of described antifriction-bearing box (9) is placed on the inner ring of damping disc (5) and realizes fixing of outside race by outer plate (8) and fastener.
9.
a kind of building hoist main frame with spring vibration damper according to claim 1, it is characterized in that described building hoist main frame comprises reductor, described reductor comprises driving wheel, flower wheel, described flower wheel comprises spring vibration damper recited above (1), the toothed disc as driving disc spacing pressing (14) being meshed with driving wheel and the flower keyboard as clutch plate (15) for being connected with the driven shaft of reductor, described toothed disc (14) has respectively groove (141) and boss (151) with described flower keyboard (15) on the face corresponding to each other, groove (141) tabling on boss (151) and toothed disc (14) on flower keyboard (15) and can be movable relatively, in the space that both tablings form, spring vibration damper (1) is installed, first of described spring vibration damper (1), the second pilot bar (11, 12) end coordinates with the groove (141) of toothed disc (14) and the boss (151) of flower keyboard (15) respectively.
10.
a kind of building hoist main frame with spring vibration damper according to claim 9, it is characterized in that described flower wheel also comprises antifriction-bearing box (9), described flower keyboard (15) middle part is processed with the bearing seat for probeing into described toothed disc (14) inner ring, on bearing seat, be set with antifriction-bearing box (9) and realize the fixing of bearing inner ring by clip plate (10) and fastener, the outer ring of described antifriction-bearing box (9) is placed on the inner ring of toothed disc (14) and realizes fixing of outside race by outer plate (8) and fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831795.1U CN203638911U (en) | 2013-12-17 | 2013-12-17 | Construction hoist main machine with spring shock-absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831795.1U CN203638911U (en) | 2013-12-17 | 2013-12-17 | Construction hoist main machine with spring shock-absorption device |
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| Publication Number | Publication Date |
|---|---|
| CN203638911U true CN203638911U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831795.1U Expired - Fee Related CN203638911U (en) | 2013-12-17 | 2013-12-17 | Construction hoist main machine with spring shock-absorption device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881727A (en) * | 2017-03-29 | 2017-06-23 | 广东工业大学 | A kind of joint of robot and its elastic mechanism |
| EP4166723A1 (en) * | 2021-10-14 | 2023-04-19 | Yanmar Holdings Co., Ltd. | Drive device and work machine |
-
2013
- 2013-12-17 CN CN201320831795.1U patent/CN203638911U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881727A (en) * | 2017-03-29 | 2017-06-23 | 广东工业大学 | A kind of joint of robot and its elastic mechanism |
| CN106881727B (en) * | 2017-03-29 | 2020-05-19 | 广东工业大学 | Robot joint and elastic mechanism thereof |
| EP4166723A1 (en) * | 2021-10-14 | 2023-04-19 | Yanmar Holdings Co., Ltd. | Drive device and work machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140611 Termination date: 20191217 |