CN109538660B - kinds of brake device - Google Patents

kinds of brake device Download PDF

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Publication number
CN109538660B
CN109538660B CN201811158098.8A CN201811158098A CN109538660B CN 109538660 B CN109538660 B CN 109538660B CN 201811158098 A CN201811158098 A CN 201811158098A CN 109538660 B CN109538660 B CN 109538660B
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CN
China
Prior art keywords
shaft
bevel gear
coaxially
flange
output shaft
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Active
Application number
CN201811158098.8A
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Chinese (zh)
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CN109538660A (en
Inventor
杨松
员欣
张彪
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Priority to CN201811158098.8A priority Critical patent/CN109538660B/en
Publication of CN109538660A publication Critical patent/CN109538660A/en
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Publication of CN109538660B publication Critical patent/CN109538660B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/08—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees
    • F16D49/10—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees mechanically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses braking devices, which belong to the field of marine machinery and comprise a driving assembly, a braking assembly and a connecting rod, wherein the driving assembly comprises a box body, a conical fluted disc, a power part, a second power part, a transmission shaft and gear carriers, the conical fluted disc is rotatably arranged in the box body, the two gear carriers respectively comprise a bracket and a transmission bevel gear, the brackets are fixedly arranged on the conical fluted disc, a output shaft of a power part is coaxially provided with a bevel gear, a bevel gear is simultaneously meshed with the two transmission bevel gears, a second output shaft of the second power part is coaxially provided with a second bevel gear, the second bevel gear is simultaneously meshed with the two transmission bevel gears, an output bevel gear is coaxially arranged on an end of the transmission shaft positioned in the box body and meshed with the conical fluted disc, an external thread is arranged on the peripheral wall of a end of the transmission shaft positioned outside the box body along the axial direction of the transmission shaft, and the other end of the.

Description

kinds of brake device
Technical Field
The invention belongs to the field of marine machinery, and particularly relates to braking devices.
Background
The braking device is common marine machinery used to brake windlasses, mooring winches, tuggers, etc.
The combined braking device has two driving modes of manual driving and hydraulic driving, and mainly comprises an th brake band, a second brake band, a connecting rod, a hydraulic driving component and a manual driving component, wherein fixed ends of the th brake band and the second brake band are connected with each other at , and the hydraulic driving component and the manual driving component can drive movable ends of the th brake band and the second brake band to move towards or away from each other so as to realize locking or unlocking of the th brake band and the second brake band.
However, in the conventional combined brake apparatus, when the hydraulic driving mode is required, the connecting pin between the manual driving assembly and the th brake band needs to be removed, and then the hydraulic driving assembly and the th brake band need to be connected through the connecting pin, and when the manual driving mode is required, the connecting pin between the hydraulic driving assembly and the th brake band needs to be removed, and then the manual driving assembly and the th brake band need to be connected through the connecting pin, so that the operation is very complicated, and the working efficiency of the brake apparatus is low.
Disclosure of Invention
The embodiment of the invention provides an braking device, which can rapidly switch the driving mode of the braking device and improve the working efficiency, and the technical scheme is as follows:
the embodiment of the invention provides braking devices, which comprise a driving assembly, a braking assembly and a connecting rod, wherein the braking assembly comprises a braking band and a second braking band, the fixed ends of the braking band and the second braking band are connected with each other from , the movable end of the braking band is hinged to a hinge shaft, the movable end of the second braking band is hinged to an end of the connecting rod, a second hinge shaft is inserted into the connecting rod, the second hinge shaft and the hinge shaft are arranged in parallel, and the driving assembly comprises a box body, a conical tooth disc, a power piece, a second power piece, a transmission shaft and two gear carriers;
the bevel gear disc is rotatably arranged in the box body, the two gear carriers respectively comprise a support and a transmission bevel gear, the supports are fixedly arranged on the end face of the bevel gear disc, the transmission bevel gear is rotatably arranged on the corresponding support, the axis of the transmission bevel gear is perpendicular to that of the bevel gear disc, the two gear carriers are symmetrically arranged by taking the axis of the bevel gear disc as an axis, and the two transmission bevel gears are relatively coaxially arranged;
the th power element is fixedly arranged on the box body, the th output shaft of the th power element is rotatably inserted on the box body, the th output shaft is coaxially arranged with the bevel gear disc, a th bevel gear is coaxially arranged at the end of the th output shaft in the box body, and the th bevel gear is simultaneously meshed with the two transmission bevel gears;
the second power part is fixedly arranged on the box body, a second output shaft of the second power part is rotatably inserted in the box body and coaxially arranged with the bevel gear disc, a second bevel gear is coaxially arranged at the end of the second output shaft in the box body, and the second bevel gear is simultaneously meshed with the two transmission bevel gears;
the transmission shaft is perpendicular to the hinge shaft and is rotatably inserted into the box body, an output bevel gear is coaxially mounted at the end of the transmission shaft, which is positioned in the box body, the output bevel gear is meshed with the bevel gear disc, external threads are arranged on the peripheral wall of the end of the transmission shaft, which is positioned outside the box body, along the axial direction of the transmission shaft, and the other end of the connecting rod is in threaded fit with the transmission shaft.
In implementations of the present invention, a flange sleeve is disposed in the box, the bevel gear disc is rotatably and coaxially sleeved on the flange sleeve, and the output shaft is rotatably and coaxially inserted into the flange sleeve.
In another implementation manners of the present invention, the flange sleeve is coaxially sleeved with a shaft sleeve, an end of the shaft sleeve is interposed between the conical-toothed disc and the flange sleeve, another end of the shaft sleeve is coaxially provided with a flange ring, and the flange ring abuts against an end face of the conical-toothed disc, which faces away from the end face of the bracket.
In still another implementation manners of the present invention, a second bushing and a third bushing are coaxially sleeved on the output shaft, an end of the second bushing is sandwiched between the flange bushing and the output shaft, another end of the second bushing is coaxially provided with a second flange ring, the second flange ring is sandwiched between an outer flange of the output shaft and an outer wall of the box body, an end of the third bushing is sandwiched between the flange bushing and the output shaft, another end of the third bushing is coaxially provided with a third flange ring, and the third flange ring is sandwiched between an end of the flange bushing and the bevel gear.
In still another implementation modes of the invention, the output shaft is coaxially sleeved with a th bearing, and the th bearing is clamped between the second flange ring and an outer flange of the th output shaft.
In still another implementation manners of the present invention, a axle seat is disposed in the box body, and the second output shaft is rotatably and coaxially inserted into the axle seat.
In still another implementation manners of the present invention, a fourth shaft sleeve is coaxially sleeved on the second output shaft, an end of the fourth shaft sleeve is clamped between the shaft seat and the second output shaft, another end of the fourth shaft sleeve is coaxially provided with a fourth flange ring, and the fourth flange ring is clamped between the shaft seat and the second bevel gear.
In still another implementation modes of the invention, a second shaft seat is arranged in the box body, and the transmission shaft is rotatably and coaxially inserted in the second shaft seat.
In still another implementation manners of the present invention, a fifth shaft sleeve is sleeved on the transmission shaft, a end of the fifth shaft sleeve is clamped between the second shaft seat and the transmission shaft, and another end of the fifth shaft sleeve is coaxially provided with a fifth flange ring, which is clamped between the second shaft seat and the output bevel gear.
In still another implementation manners of the present invention, a second bearing is coaxially sleeved on the transmission shaft, and the second bearing is sandwiched between the second shaft seat and an outer flange of the transmission shaft.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
when the braking device provided by the embodiment of the invention works, the th braking belt and the second braking belt are sleeved on the braking disc, when the braking device needs to be driven by the th power part to realize locking and unlocking, the th output shaft of the th power part rotates to drive the two transmission bevel gears to rotate by the th bevel gear and simultaneously drive the two supports to rotate by taking the axis of the bevel gear disc as an axis, so that the bevel gear disc rotates, the transmission shaft is further driven to rotate by the bevel gear disc and the output bevel gear to drive the other end of the connecting rod to axially move on the transmission shaft, finally the connecting rod rotates around the second pin shaft, the end of the connecting rod drives the movable end of the second braking belt to be close to or far from the movable end of the th braking belt, so as to realize locking and unlocking of the braking device, when the braking device needs to be driven by the second power part to realize locking and unlocking, the second output shaft of the second power part rotates to drive the two transmission shafts through the second bevel gear disc simultaneously, so that the transmission shaft is driven to rotate around the bevel gear disc, so that the transmission shaft is directly driven to realize locking and unlocking of the bevel gear driving shaft, so that the transmission shaft is capable of the bevel gear driving the transmission shaft, the transmission shaft is directly driven by the transmission shaft, the transmission shaft is not needed locking and the transmission shaft, so that the transmission shaft is directly driven by the transmission shaft, the transmission shaft is switched between the transmission shaft, the transmission shaft is switched on the transmission shaft, the transmission.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a brake apparatus provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the interior of the enclosure provided by an embodiment of the present invention;
the symbols in the drawings represent the following meanings:
1-drive assembly, 11-box, 111-flange sleeve, 112- th shaft seat, 113-second shaft seat, 12-conical-toothed disc, 13- power element, 131- output shaft, 132- bevel gear, 133-hand wheel, 134-outer flange, 135- th bearing, 14-second power element, 141-second output shaft, 142-second bevel gear, 15-transmission shaft, 151-output bevel gear, 152-second bearing, 153-outer flange, 16-gear carrier, 161-bracket, 162-transmission bevel gear, 2-brake assembly, 21- brake band, 22-second brake band, 23- hinge shaft, 3-connecting rod, 31-second hinge shaft, 41- shaft sleeve, 42- th flange ring, 43-third shaft sleeve, 44-fourth shaft sleeve, 45-fifth shaft sleeve, 51- th flange ring, 52-second flange ring, 53-third flange ring, 54-fourth flange ring, 54-fifth flange ring, brake disc, and 100-brake disc.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further with reference to the accompanying drawings.
The embodiment of the invention provides braking device, which can be used for mechanical equipment such as anchor windlasses, mooring winch, towing winch, etc., fig. 1 is a cross-sectional view of the braking device, and as shown in fig. 1, the braking device includes a driving component 1, a braking component 2 and a connecting rod 3, the braking component 2 includes a braking band 21 and a second braking band 22, fixed ends of the braking band 21 and the second braking band 22 are connected with each other at , a movable end of the braking band 21 is hinged on a hinge shaft 23, a movable end of the second braking band 22 is hinged with an end of the connecting rod 3, a second hinge shaft 31 is inserted on the connecting rod 3, the second hinge shaft 31 and the hinge shaft 23 are arranged in parallel, and the driving component 1 includes a box 11, a conical tooth disc 12, a power piece 13, a second power piece 14, a transmission shaft 15 and two gear carriers 16.
Fig. 2 is a sectional view of the inside of the box, and referring to fig. 2, in this embodiment, the bevel gear plate 12 is rotatably installed in the box 11, each of the two gear racks 16 includes a bracket 161 and a bevel gear drive 162, the bracket 161 is fixedly installed on the end surface of the bevel gear plate 12, the bevel gear drive 162 is rotatably installed on the corresponding bracket 161, the axis of the bevel gear drive 162 is perpendicular to the axis of the bevel gear plate 12, the two gear racks 16 are arranged in axial symmetry with the axis of the bevel gear plate 12, and the two bevel gear drive 162 are arranged coaxially and oppositely.
Specifically, the th power element 13 is fixedly arranged on the box body 11, the th output shaft 131 of the th power element 13 is rotatably inserted on the box body 11, the th output shaft 131 is coaxially arranged with the bevel gear disc 12, the end , positioned in the box body 11, of the th output shaft 131 is coaxially provided with a th bevel gear 132, and the st bevel gear 132 is simultaneously meshed with the two transmission bevel gears 162.
Specifically, the second power member 14 is fixedly mounted on the box body 11, the second output shaft 141 of the second power member 14 is rotatably inserted into the box body 11, the second output shaft 141 is coaxially arranged with the bevel gear 12, the end of the second output shaft 141 located in the box body 11 is coaxially mounted with the second bevel gear 142, and the second bevel gear 142 is simultaneously meshed with the two bevel transmission gears 162.
Specifically, the transmission shaft 15 is arranged perpendicular to the -th hinge shaft 23, the transmission shaft 15 is rotatably inserted into the box body 11, an output bevel gear 151 is coaxially installed on the end of the transmission shaft 15, which is positioned in the box body 11, the output bevel gear 151 is meshed with the bevel gear disc 12, an external thread is arranged on the peripheral wall of the end of the transmission shaft 15, which is positioned outside the box body 11, along the axial direction of the transmission shaft 15, and the other end of the connecting rod 3 is in threaded fit with the transmission shaft 15.
When the brake device provided by the embodiment of the present invention is operated, the brake belt 21 and the second brake belt 22 are sleeved on the brake disc 100 (brake disc of mechanical equipment such as windlasses, mooring winch, towing winch, etc., which is usually fixed coaxially with a drum for winding a cable), when locking and releasing are required to be achieved by driving the brake device through the power element 13, the output shaft 131 of the 0 power element 13 rotates to drive the two bevel transmission gears 162 to rotate through the bevel gear 132, and simultaneously drives the two brackets 161 to rotate around the axis of the bevel gear disc 12, so that the bevel gear disc 12 rotates, and further the transmission shaft 15 rotates through the bevel gear disc 12 and the output bevel gear 151, so as to drive the other end of the connecting rod 3 to move on the transmission shaft 15 in the axial direction of the transmission shaft 15, and finally to rotate the connecting rod 3 around the second pin shaft, the end of the connecting rod 3 drives the movable end of the second brake belt 22 to approach or move away from the movable end of the second bevel gear belt 21, so as to achieve locking and releasing of the brake device, when the brake device is required to switch the brake device, the brake device to achieve the locking and releasing of the brake device, and releasing of the bevel transmission shaft 12, so that the brake device is achieved by driving the bevel gear disc 12, and the transmission shaft 15 can be switched to achieve the operation of the brake device, and the brake device, so that the brake device can be switched to achieve the operation of the brake device.
And when the th power member 13 and the second power member 14 are required to work simultaneously, the th power member 13 and the second power member 14 can drive the braking device simultaneously only by the rotation speed of the th output shaft 131 and the second output shaft 141 being the same as each other because the th bevel gear 132 and the second bevel gear 142 can be the same bevel gear.
In this embodiment, the th power unit 13 may be a manual driving module, a handwheel 133 may be coaxially mounted on the end of the th output shaft 131 located outside the housing 11, so that a manual driving mode of the braking device is realized by rotating the handwheel 133, and the second power unit 14 may be a hydraulic driving module, and a hydraulic motor may be drivingly connected to the end of the second output shaft 141 located outside the housing 11, so that a hydraulic driving mode of the braking device is realized by the hydraulic motor.
In other embodiments, the th power member 13 or the second power member 14 can also be other types of driving modules, such as a motor, etc., according to actual requirements, and the invention is not limited thereto.
With continued reference to fig. 2, in the present embodiment, a flange sleeve 111 is disposed inside the housing 11, the bevel disk 12 is rotatably and coaxially sleeved on the flange sleeve 111, and the th output shaft 131 is rotatably and coaxially inserted into the flange sleeve 111.
In the above implementation, the flange sleeve 111 not only can provide a mounting base for the bevel gear disc 12, but also can provide a mounting guide for the th output shaft 131, so that the th output shaft 131 can be coaxially arranged with the bevel gear disc 12 at all times.
Alternatively, the flange 111 is a cylindrical structure and is vertically fixed to the inner wall of the case 11.
Specifically, the -th shaft sleeve 41 is coaxially sleeved on the flange sleeve 111, the end of the -th shaft sleeve 41 is clamped between the bevel disk 12 and the flange sleeve 111, the -th flange ring 51 is coaxially arranged at the other end of the -th shaft sleeve 41, and the -th flange ring 51 abuts against the end face of the bevel disk 12, which faces away from the bracket 161.
In the above implementation manner, the th shaft sleeve 41 is used to ensure that the bevel gear disc 12 can be stably sleeved on the flange sleeve 111, and prevent the flange sleeve 111 from directly contacting and rubbing with the bevel gear disc 12, thereby playing a role of protecting the flange sleeve 111, the th flange ring 51 is clamped between the bevel gear disc 12 and the inner wall of the box body 11, not only playing a role of supporting the bevel gear disc 12, but also preventing the bevel gear disc 12 from directly contacting and rubbing with the inner wall of the box body 11, and playing a role of protecting the box body 11.
In this embodiment, a second bushing 42 and a third bushing 43 are coaxially sleeved on the th output shaft 131, the end of the second bushing 42 is interposed between the flange bushing 111 and the th output shaft 131, the other end of the second bushing 42 is coaxially provided with a second flange ring 52, the second flange ring 52 is interposed between the outer flange 134 of the th output shaft 131 and the outer wall of the box 11, the end of the third bushing 43 is interposed between the flange bushing 111 and the th output shaft 131, the other end of the third bushing 43 is coaxially provided with a third flange ring 53, and the third flange ring 53 is interposed between the end of the flange bushing 111 and the th bevel gear 132.
In the above implementation, the thickness of the second bushing 42 and the third bushing 43 are the same, so that the th output shaft 131 can be ensured to stably rotate in the flange bushing 111, and the th output shaft 131 is axially positioned in the flange bushing 111 by the th bevel gear 132, the second flange ring 52, the flange bushing 111, the third flange ring 53 and the outer flange 134 of the th output shaft 131, so that the problem of play of the th output shaft 131 is avoided.
Optionally, the second and third bushings 42, 43 are spaced apart from each other to avoid interference between the second and third bushings 42, 43.
In this embodiment, the th output shaft 131 is coaxially sleeved with the th bearing 135, and the th bearing 135 is interposed between the second flange ring 52 and the outer flange 134 of the th output shaft 131.
In the above implementation, the -th bearing 135 is clamped between the second flange ring 52 and the outer flange 134 of the output shaft 131, so that direct frictional contact between the second flange ring 52 and the outer flange 134 of the output shaft 131 can be effectively avoided, and the -th bearing 135 can bear the axial force generated by the -th output shaft 131 during rotation, so as to reduce the friction force received by the -th output shaft 131.
Alternatively, the th bearing 135 may be a thrust bearing, so that the characteristics of the thrust bearing can be utilized to enable the th bearing 135 to better withstand the axial force of the th output shaft 131.
In this embodiment, the case 11 is provided with a th axle seat 112, and the second output shaft 141 is rotatably and coaxially inserted into the th axle seat 112.
In the above implementation, the axle seat 112 is used to provide an insertion base for the second output shaft 141, so that the second output shaft 141 can be stably inserted into the box 11.
Optionally, the thickness of the axle seat 112 is greater than that of the case 11, thereby further improving the installation stability of the second output axle 141.
In this embodiment, the second output shaft 141 is coaxially sleeved with the fourth shaft sleeve 44, an end of the fourth shaft sleeve 44 is interposed between the shaft seat 112 and the second output shaft 141, the other end of the fourth shaft sleeve 44 is coaxially provided with the fourth flange ring 54, and the fourth flange ring 54 is interposed between the shaft seat 112 and the second bevel gear 142.
In the above implementation, the fourth shaft sleeve 44 is used to ensure that the second output shaft 141 can be stably inserted into the shaft seat 112, and prevent the shaft seat 112 from directly contacting and rubbing with the second output shaft 141, so as to protect the second output shaft 141 and the shaft seat 112, the fourth flange ring 54 is interposed between the shaft seat 112 and the second bevel gear 142, prevent the shaft seat 112 from directly contacting and rubbing with the second bevel gear 142, and protect the shaft seat 112 and the second bevel gear 142.
In this embodiment, a second shaft seat 113 is provided in the housing 11, and the transmission shaft 15 is rotatably and coaxially inserted into the second shaft seat 113.
In the above implementation, the second shaft seat 113 is used to provide a base for inserting the transmission shaft 15, so that the transmission shaft 15 can be stably inserted into the box 11.
Optionally, the thickness of the second bearing block 113 is greater than that of the box body 11, so that the installation stability of the transmission shaft 15 is further improved .
Specifically, the transmission shaft 15 is sleeved with a fifth shaft sleeve 45, an end of the fifth shaft sleeve 45 is clamped between the second shaft base 113 and the transmission shaft 15, another end of the fifth shaft sleeve 45 is coaxially provided with a fifth flange ring 55, and the fifth flange ring 55 is clamped between the second shaft base 113 and the output bevel gear 151.
In the above implementation manner, the fifth shaft sleeve 45 is used for ensuring that the transmission shaft 15 can be stably inserted into the second shaft seat 113, and preventing the second shaft seat 113 from directly contacting and rubbing the transmission shaft 15, thereby protecting the transmission shaft 15 and the second shaft seat 113. The fifth flange ring 55 is interposed between the second shaft holder 113 and the output bevel gear 151, thereby preventing the second shaft holder 113 from directly contacting the output bevel gear 151, and protecting the second shaft holder 113 and the output bevel gear 151.
Optionally, the thickness of the second bearing block 113 is greater than that of the box body 11, so that the installation stability of the transmission shaft 15 is further improved .
Specifically, the transmission shaft 15 is coaxially sleeved with a second bearing 152, and the second bearing 152 is sandwiched between the second shaft seat 113 and an outer flange 153 of the transmission shaft 15.
In the above implementation, the second bearing 152 is clamped between the second shaft seat 113 and the outer flange 153 of the transmission shaft 15, so that direct frictional contact between the second shaft seat 113 and the outer flange 153 of the transmission shaft 15 can be effectively avoided. Further, the second bearing 152 can receive an axial force generated when the drive shaft 15 rotates, and reduce a frictional force received by the drive shaft 15.
Alternatively, the second bearing 152 may be a thrust bearing, so that the characteristics of the thrust bearing can be utilized, so that the second bearing 152 can better bear the axial force of the transmission shaft 15.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

  1. The braking device comprises a driving assembly, a braking assembly and a connecting rod, wherein the braking assembly comprises a th braking band and a second braking band, fixed ends of the th braking band and the second braking band are connected with each other at th, a movable end of the th braking band is hinged to a th hinge shaft, a movable end of the second braking band is hinged to a end of the connecting rod, a second hinge shaft is inserted into the connecting rod, and the second hinge shaft and the th hinge shaft are arranged in parallel with each other, and the braking device is characterized in that the driving assembly comprises a box body, a conical tooth disc, a th power part, a second power part, a transmission shaft and two gear carriers;
    the bevel gear disc is rotatably arranged in the box body, the two gear carriers respectively comprise a support and a transmission bevel gear, the supports are fixedly arranged on the end face of the bevel gear disc, the transmission bevel gear is rotatably arranged on the corresponding support, the axis of the transmission bevel gear is perpendicular to that of the bevel gear disc, the two gear carriers are symmetrically arranged by taking the axis of the bevel gear disc as an axis, and the two transmission bevel gears are relatively coaxially arranged;
    the th power element is fixedly arranged on the box body, the th output shaft of the th power element is rotatably inserted on the box body, the th output shaft is coaxially arranged with the bevel gear disc, a th bevel gear is coaxially arranged at the end of the th output shaft in the box body, and the th bevel gear is simultaneously meshed with the two transmission bevel gears;
    the second power part is fixedly arranged on the box body, a second output shaft of the second power part is rotatably inserted in the box body and coaxially arranged with the bevel gear disc, a second bevel gear is coaxially arranged at the end of the second output shaft in the box body, and the second bevel gear is simultaneously meshed with the two transmission bevel gears;
    the transmission shaft is perpendicular to the hinge shaft and is rotatably inserted into the box body, an output bevel gear is coaxially mounted at the end of the transmission shaft, which is positioned in the box body, the output bevel gear is meshed with the bevel gear disc, external threads are arranged on the peripheral wall of the end of the transmission shaft, which is positioned outside the box body, along the axial direction of the transmission shaft, and the other end of the connecting rod is in threaded fit with the transmission shaft.
  2. 2. The brake apparatus of claim 1, wherein said housing defines a flange sleeve, said bevel disk being rotatably and coaxially received on said flange sleeve, and said th output shaft being rotatably and coaxially received in said flange sleeve.
  3. 3. The brake device as claimed in claim 2, wherein said flange sleeve is coaxially sleeved with an th shaft sleeve, an end of said th shaft sleeve is sandwiched between said conical-toothed disc and said flange sleeve, another end of said th shaft sleeve is coaxially provided with a th flange ring, and said th flange ring abuts against an end face of said conical-toothed disc, said end face facing away from said bracket.
  4. 4. The brake device as claimed in claim 2, wherein a second bushing and a third bushing are coaxially sleeved on said output shaft, a end of said second bushing is sandwiched between said flange bushing and said output shaft, another end of said second bushing is coaxially provided with a second flange ring, said second flange ring is sandwiched between an outer flange of said output shaft and an outer wall of said box, a end of said third bushing is sandwiched between said flange bushing and said output shaft, another end of said third bushing is coaxially provided with a third flange ring, and said third flange ring is sandwiched between an end of said flange bushing and said bevel gear.
  5. 5. The brake apparatus as claimed in claim 4, wherein said th output shaft is coaxially sleeved with a th bearing, and said th bearing is interposed between said second flange ring and an outer flange of said th output shaft.
  6. 6. The brake apparatus of claim 1 wherein said housing defines a th axle seat, said second output shaft being rotatably coaxially received in said th axle seat.
  7. 7. The brake device as claimed in claim 6, wherein a fourth shaft sleeve is coaxially sleeved on the second output shaft, an end of the fourth shaft sleeve is clamped between the shaft seat and the second output shaft, and another end of the fourth shaft sleeve is coaxially provided with a fourth flange ring which is clamped between the shaft seat and the second bevel gear.
  8. 8. The brake apparatus of claim 1, wherein a second bearing seat is provided in said housing, and said transmission shaft is rotatably coaxially inserted into said second bearing seat.
  9. 9. The brake device according to claim 8, wherein a fifth bushing is sleeved on the transmission shaft, an end of the fifth bushing is clamped between the second shaft seat and the transmission shaft, and a fifth flange ring is coaxially arranged at the other end of the fifth bushing and is clamped between the second shaft seat and the output bevel gear.
  10. 10. The brake device according to claim 9, wherein the transmission shaft is coaxially sleeved with a second bearing, and the second bearing is clamped between the second bearing seat and an outer flange of the transmission shaft.
CN201811158098.8A 2018-09-30 2018-09-30 kinds of brake device Active CN109538660B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554053A (en) * 1968-12-13 1971-01-12 Boris Andreevich Bugaenko Two-stage reducing gear for anchor chain arresters
US4588167A (en) * 1984-08-09 1986-05-13 Portable Power Tools, Inc. Portable power driven winch
CN101440868A (en) * 2008-10-06 2009-05-27 江苏捷诚车载电子信息工程有限公司 Speed reducing transmission case with manual / electric switching function
CN201332028Y (en) * 2009-01-04 2009-10-21 乐清市雷顿电气科技有限公司 Transmission mechanism of duplicate supply automatic transfer switch
CN105752873A (en) * 2016-04-25 2016-07-13 无锡市江南船舶设备有限公司 Hand brake device of electric anchor capstan
CN207921169U (en) * 2018-02-10 2018-09-28 无锡德林防务装备股份有限公司 A kind of scissors V shape band brake

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554053A (en) * 1968-12-13 1971-01-12 Boris Andreevich Bugaenko Two-stage reducing gear for anchor chain arresters
US4588167A (en) * 1984-08-09 1986-05-13 Portable Power Tools, Inc. Portable power driven winch
CN101440868A (en) * 2008-10-06 2009-05-27 江苏捷诚车载电子信息工程有限公司 Speed reducing transmission case with manual / electric switching function
CN201332028Y (en) * 2009-01-04 2009-10-21 乐清市雷顿电气科技有限公司 Transmission mechanism of duplicate supply automatic transfer switch
CN105752873A (en) * 2016-04-25 2016-07-13 无锡市江南船舶设备有限公司 Hand brake device of electric anchor capstan
CN207921169U (en) * 2018-02-10 2018-09-28 无锡德林防务装备股份有限公司 A kind of scissors V shape band brake

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