CN209294289U - A kind of centrifugation locking-type dead-man's device - Google Patents
A kind of centrifugation locking-type dead-man's device Download PDFInfo
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- CN209294289U CN209294289U CN201821785968.XU CN201821785968U CN209294289U CN 209294289 U CN209294289 U CN 209294289U CN 201821785968 U CN201821785968 U CN 201821785968U CN 209294289 U CN209294289 U CN 209294289U
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Abstract
The utility model discloses a kind of centrifugation locking-type dead-man's devices, are equipped with outer cover, Moving plate seat, centrifugation stop mechanism and static friction transmission mechanism；When transmission shaft drives outer cover rotation, outer cover drives the rotation of Moving plate seat by static friction transmission mechanism；When the running speed of Moving plate seat reaches limitation speed, centrifugation stop mechanism can carry out emergency stop braking to Moving plate seat；Then brake force is passed into outer cover and transmission shaft by static friction transmission mechanism by Moving plate seat, transmission shaft is braked；Since outer cover with Moving plate seat is sequentially connected by static friction transmission mechanism；Therefore when Moving plate seat carries out moment braking, if brake force is greater than stiction, static friction can switch to sliding friction, the bump stress of moment be compensated and unloaded power；And then centrifugation stop mechanism is avoided to damage in braking because of instant shock；Avoid the limitation of material requirements；It is impatient for the automatic protection of special installation to stop and safety braking functions important in inhibiting.
Description
Technical field
The utility model belongs to art of braking devices, in particular to a kind of centrifugation locking-type dead-man's device.
Background technique
Centrifugal speed limiter is a kind of device that automatic speed-limiting is used in drive mechanism, mainly passes through elastic clutch
Internal brake shoe, spring and friction plate is cooperated to complete, when encountering the emergencies such as hypervelocity decline, runaway condition, shaft turns
After speed is increased to certain value, the brake shoe in clutch for following shaft to rotate opens under the influence of centrifugal force, rubbing thereon
The inner wall of the fixed device of pad and outside one generates friction, carries out speed limit to shaft by frictional reaction；
The mode of above-mentioned this friction speed limit, the normal pressure of friction is generated by the centrifugal force being gradually increased, because revolving speed increases
And increase centrifugal force；Reduce centrifugal force because rubbing reduction of speed and then reduce frictional force, therefore, is only used for automatic speed limit, and
It is not used to automatic emergency stop brake；
If centrifugal speed limiter there will be self-stopping function, needs to be changed into be centrifuged stop device, brake
Hoof or pendulum refer to be opened under the action of the centrifugal force, and is collided in the open state with a certain fixed link stopper, in the wink of collision
Between limit braking, directly by dynamic enter stationary state；But existing material is insufficient for collision demand；In revolving speed
In very high situation, either refer to for the brake shoe of centrifugal swing or pendulum, or for the block of limit, all easily colliding
The lower damage of power effect fractures, deforms；Even if meeting the needs of colliding forces on prospective material, but the cost of material itself must
It is so very high；Therefore it also has led in the prior art, using the centrifugal force of mechanical mechanism, to complete automatic emergency stop and automatic lock
Determine and has the device of protecting function still less；
The utility model is intended to provide a kind of centrifugation locking-type dead-man's device, completes automatic emergency stop using mechanical mechanism
Protecting function is locked and had with automatic, has evaded because material limits, has caused centrifugal speed limiter that can not carry out automatic emergency stop system
Dynamic problem stops having with safety braking functions in special drive apparatus, the transporting equipment course of work, automatic protection is impatient
Significance.
Utility model content
In order to overcome the shortcomings of the prior art, the utility model provides a kind of centrifugation locking-type self-actuating brake dress
It sets, emergency stop braking is achieved the purpose that by mechanical mechanism, is locked automatically；The limitation on material is avoided, is not easy to limit because of braking
The collision of position and cause the damage of stop mechanism.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of centrifugation locking-type dead-man's device, including outer cover, Moving plate seat, centrifugation stop mechanism and static friction driver
Structure；The outer cover is socketed in fixed conveyor in external rotation axis and connects；The Moving plate seat is rotatably socketed in external turn
On moving axis, and it is corresponding positioned at outer cover side having an open structure；The outer cover is passed by static friction transmission mechanism and Moving plate seat
Dynamic connection, drives Moving plate seat synchronous rotary in external rotation axis；The centrifugation stop mechanism is arranged in Moving plate seat far from outer cover
One side on, the centrifugation stop mechanism be used for Moving plate seat rotate to limitation speed when under the influence of centrifugal force to Moving plate
Seat carries out emergency stop braking；The Moving plate seat is passed to brake force outside by static friction transmission mechanism in the case where emergency stop is braked
Cover and external rotation axis, carry out emergency stop braking to external rotation axis.
One of above-mentioned technical proposal is centrifuged locking-type dead-man's device, is equipped with outer cover, Moving plate seat, centrifugation stop machine
Structure and static friction transmission mechanism；Outer cover and Moving plate seat are used to be socketed in the biography for the transmission device that outside need carries out speed-limiting protection
On moving axis, outer cover and transmission shaft secure fit, Moving plate seat rotatably cooperate with transmission shaft；Static friction transmission mechanism is arranged outside
Between cover and Moving plate seat, when transmission shaft drives outer cover rotation, outer cover drives the rotation of Moving plate seat by static friction transmission mechanism；It is dynamic
Disk seat is equipped with centrifugation stop mechanism；When the running speed of Moving plate seat reaches limitation speed, centrifugation stop mechanism can be right
Moving plate seat carries out emergency stop braking；Then brake force is passed into outer cover and transmission shaft by static friction transmission mechanism by Moving plate seat,
Transmission shaft is braked；In this course, since outer cover and Moving plate seat are to carry out transmission company by static friction transmission mechanism
It connects；Therefore when Moving plate seat carries out moment braking, if brake force is greater than stiction, static friction can switch to slide
Friction, so that the bump stress of moment is compensated and be unloaded power；And then centrifugation stop mechanism is avoided to answer moment to touch in braking
It hits and damages；It avoids and technical requirements is unable to reach to the metal material strength of materials, hardness, the limitation easily lost, fractureed；It utilizes
The principle that centrifugal force is braked is no longer limited to speed limit field, while can be used for transmission device can be certainly more than early warning speed
The field of safety protection of dynamic emergency stop braking, in special drive apparatus, the transporting equipment course of work, automatic protection is impatient stop with
Safety braking functions important in inhibiting.
Preferably, the static friction transmission mechanism includes that drag ring, drag ring support device；The drag ring is close to outer
The setting of cover inner sidewall；The drag ring supports one end of device for supporting drag ring in outer cover inner sidewall, and the other end is solid
Dingan County is loaded on Moving plate seat.Use drag ring as friction member, be conveniently replaceable, reduces maintenance cost；Drag ring supports device,
It can be the circle protrusion that Moving plate seat side is set to outer cover convex in some embodiments；Drag ring can be folded in protrusion and outer cover
Frictional drive is carried out between side wall；Certainly in certain embodiments, some settings hereinafter can also be carried out；
Preferably, it includes brake shoe, articulated shaft, flat axis, turning handle, big pressure spring, fixed frame that the drag ring, which supports device,；
The brake shoe is corresponding with outer cover inner sidewall to be set as arcuate structure；The articulated shaft is fixed on one that Moving plate seats against nearly outer cover
At eccentric position on side；One end of two brake shoes passes through articulated shaft and is hinged on Moving plate seat；Two brakes
The other end of vehicle hoof is oppositely arranged；The drag ring is correspondingly arranged between brake shoe and outer cover inner sidewall；The flat axis is equipped with
Flat end and hinged end, flat end are corresponding between the end face of two brake shoe other ends；Hinged end is by being arranged in Moving plate
Hinge hole and Moving plate seat on seat is hinged, and is fixedly connected through the hinge hole with one end of turning handle；The turning handle it is another
End is connected with one end of big pressure spring；The fixed frame is fixed on Moving plate seat, and the other end of the big pressure spring is connected to solid
Determine on frame；The elastic force of the big pressure spring provides flat axis torque, and flat end is under the action of torque by brake shoe to outer cover inner sidewall side
To opening, support drag ring on outer cover inner sidewall.The structure that device is arranged in the technical solution is supported into friction, it can be with
So that static friction ring obtains compensation slightly during severe friction, to reduce wear rate, the use of drag ring is improved
Service life；Meanwhile drag ring supports device and supporting for drag ring is also become elasticity and supported；It constantly wears to become smaller in drag ring and narrow
During, drag ring can support outer cover inner wall under power in supporting for elasticity always, there is indomitable rubbing action always,
Without generating gap；The pressure supported determines by the elastic force of big pressure spring, therefore constant in static friction ring coefficient of friction
In the case of, it can achieve the purpose that control drag ring stiction size by the way that the elastic size of big pressure spring is arranged.
Preferably, the centrifugation stop mechanism includes swing mechanism and block, the swing mechanism include small extension spring, from
Heart pendulum refers to, puts and refer to limiting section；One end that the centrifugal pendulum refers to is hingedly mounted on Moving plate seat, and the other end that the centrifugal pendulum refers to is
Freely swing end, and the inside that the centrifugal pendulum refers to is equipped with pull ring；One end of small extension spring, the other end of small extension spring are connected on pull ring
It is fixed on Moving plate seat；The pendulum refers to that limiting section is fixed on Moving plate seat, and positioned at the outside that centrifugal pendulum refers to centrifugal pendulum
The limit of fingering row；The centrifugal pendulum refer to overcome under the influence of centrifugal force the pulling force of small extension spring be rocked to pendulum refer to that limiting section is can
With；The block is fixed in external structure；When the centrifugal pendulum refers to that overcoming small extension spring to be rocked to pendulum refers to limiting section,
The motion path and block that the centrifugal pendulum refers to, which are formed, interferes, and block, which limits centrifugal pendulum fingering row, to be stopped；When the centrifugal pendulum
Refer to that motion path and the block that the centrifugal pendulum refers to are avoided when referring to limiting section far from pendulum under the pulling force effect of small extension spring.Centrifugation
A kind of embodiment of stop mechanism.
Preferably, there are two the swing mechanism is set；One swing mechanism in the case where Moving plate seat rotates clockwise, with
Block forms clockwise centrifugation stop mechanism；Another swing mechanism is formed in the case where Moving plate seat rotates counterclockwise with block
Reverse centrifugation stop mechanism.It is centrifuged the another embodiment of stop mechanism, makes to be centrifuged locking-type dead-man's device either
In the case where transmission shaft rotates forward hypervelocity or reversion hypervelocity, braking action is all had；In certain transporting equipments, to peace
All risk insurance barrier is of great significance；Such as be applied to hills, hillside orchard monorail conveyer, under complex environment, go up a slope and
When descending is out of control；Emergency stop brake protection can be carried out using the device, stop the running of transmission mechanism.
Preferably, described two swing mechanisms are mounted on side by side on a fixed baffle；The two sides of the fixed baffle are all provided with
There is the rib for referring to limiting section as pendulum, be respectively equipped with a centrifugal pendulum on the inside of rib and refer to, centrifugal pendulum refers to one close to Moving plate seat center
End is hinged on fixed baffle, and the other end is free end；The inside that two centrifugal pendulums refer to is equipped with pull ring, and the pull ring is connected with small
The other end of one end of tension spring, small extension spring is connected on fixed baffle；The fixed baffle is fixedly mounted on Moving plate seat.Make to pacify
Assembling structure is more compact.
Preferably, the fixed baffle is equipped with engaging lug, and the both ends of the engaging lug are respectively provided with and small extension spring
The connecting portion of connection.Using engaging lug, it is easily installed small extension spring, small extension spring is attached on engaging lug, then by volume ratio
The big engaging lug of small extension spring is fixed on fixed baffle, so that the attended operation of fining is become simple.
Preferably, further include having fixed mounting plate, be equipped with for external rotation axis in the middle part of the fixed mounting plate through logical
The through-hole crossed；The fixed mounting plate is equipped with the screw hole being fixedly connected for the shell with external transmission device；The block
It is fixed in fixed mounting plate.In some cases, we can be in external transmission device or external fixed structure
The upper reserved mounting structure that baffle is fixedly mounted；But in some cases, then it is unfavorable for being centrifuged locking-type dead-man's device
It promotes；Therefore setting fixed mounting plate installs block, then mounting structure is arranged in fixed mounting plate, fixed mounting plate and outer
The connection of part device, which can adopt, to be screwed or is fixed using other structures, and adaptation energy can be so promoted
Power.
It preferably, further include shield, side of the outer cover far from fixed mounting plate, the protection is arranged in the shield
It is provide with outer cover and Moving plate seat is fixed in fixed mounting plate.The setting of shield has protection to internal dead-man's device
And dustproof effect；It improves service life.
Preferably, the Moving plate seat is rotationally socketed by a sliding shaft sleeve and external rotation axis.A kind of Moving plate seat with
The socket mode of transmission shaft in certain embodiments can also direct or indirect rotatable socket by another way.
The beneficial effects of the utility model are: a kind of centrifugation locking-type dead-man's device disclosed by the utility model, if
There are outer cover, Moving plate seat, centrifugation stop mechanism and static friction transmission mechanism；Outer cover and Moving plate seat be used to be socketed in outside need into
On the transmission shaft of the transmission device of row speed-limiting protection, outer cover and transmission shaft secure fit, Moving plate seat are rotatably matched with transmission shaft
It closes；Static friction transmission mechanism is arranged between outer cover and Moving plate seat, and when transmission shaft drives outer cover rotation, outer cover passes through static friction
Transmission mechanism drives the rotation of Moving plate seat；Moving plate seat is equipped with centrifugation stop mechanism；When the running speed of Moving plate seat reaches limitation speed
When spending, centrifugation stop mechanism can carry out emergency stop braking to Moving plate seat；Then brake force is passed by static friction by Moving plate seat
Motivation structure passes to outer cover and transmission shaft, brakes to transmission shaft；In this course, since outer cover and Moving plate seat are to pass through
Static friction transmission mechanism is sequentially connected；Therefore when Moving plate seat carries out moment braking, if brake force is greater than stiction,
So static friction can switch to sliding friction, so that the bump stress of moment is compensated and be unloaded power；And then it avoids being centrifuged
Stop mechanism is damaged in braking because of instant shock；It avoids and is unable to reach by technology and is wanted for the metal material strength of materials, hardness
It asks, the limitation easily lost, fractureed；The principle braked using centrifugal force is no longer limited to speed limit field, while can be used for passing
Dynamic device be more than early warning speed can automatic emergency stop braking field of safety protection, for special drive apparatus, transporting equipment work
During work, automatic protection is impatient to stop and safety braking functions important in inhibiting.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of surface structure of centrifugation locking-type dead-man's device described in an embodiment of the present invention
Figure；
Fig. 2 is that a kind of side view structure of centrifugation locking-type dead-man's device described in an embodiment of the present invention is shown
It is intended to；
Fig. 3 be in Fig. 2 A-A to schematic cross-sectional view；
Fig. 4 is B-B direction schematic cross-sectional view in Fig. 2；
Fig. 5 is that a kind of detonation configuration of centrifugation locking-type dead-man's device described in an embodiment of the present invention shows
It is intended to.
1- transmission shaft in the figure；The shell of 2- external transmission device；3- bolt；4- fixed plate；5- block；6- Moving plate
Seat；61- sliding shaft sleeve；9- articulated shaft；The flat axis of 10-；The flat end 101-；The hinged end 102-；11- brake shoe；12- drag ring；13-
Outer cover；14- turning handle；The big pressure spring of 15-；16- fixed frame；17- fixed baffle；18- engaging lug；19- small extension spring；20- pendulum refers to；
201- pull ring.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
A kind of centrifugation locking-type dead-man's device as shown in Figs. 1-5, including outer cover 13, Moving plate seat 6, centrifugation stop machine
Structure and static friction transmission mechanism；The outer cover 13 is socketed in fixed conveyor in external rotation axis 1 and connects；The Moving plate seat 6 can phase
To being rotationally socketed in external rotation axis 1, and corresponding it is located at the side having an open structure of outer cover 13；The outer cover 13 is logical
It crosses static friction transmission mechanism and Moving plate seat 6 is sequentially connected, drive the synchronous rotary in external rotation axis 1 of Moving plate seat 6；The centrifugation
Stop mechanism is arranged on one side of the Moving plate seat 6 far from outer cover 13, and the centrifugation stop mechanism is used to rotate extremely in Moving plate seat 6
Emergency stop braking is carried out to Moving plate seat 6 under the influence of centrifugal force when limiting speed；The Moving plate seat 6 is in the case where emergency stop is braked
Brake force is passed into outer cover 13 and external rotation axis 1 by static friction transmission mechanism, emergency stop system is carried out to external rotation axis 1
It is dynamic.
In the present embodiment, as depicted in Fig. 3-5, the static friction transmission mechanism includes that drag ring 12, drag ring are supported
Device；The drag ring 12 is close to the setting of outer cover inner sidewall；The drag ring supports one end of device for supporting drag ring
On 13 inner sidewall of outer cover, the other end is fixedly installed on Moving plate seat 6.Use drag ring 12 as friction member, be conveniently replaceable, drops
Low maintenance cost.
Specifically, in the present embodiment, drag ring support device include brake shoe 11, articulated shaft 9, flat axis 10, turning handle 14,
Big pressure spring 15, fixed frame 16；The brake shoe 11 is corresponding with 13 inner sidewall of outer cover to be set as arcuate structure；The articulated shaft 9
Moving plate seat 6 is fixed at the eccentric position on the one side of outer cover 13；One end of two brake shoes 11 passes through hinge
Spindle 9 is hinged on Moving plate seat 6；The other end of two brake shoes 11 is oppositely arranged；The drag ring 12 is correspondingly arranged at
Between 13 inner sidewall of brake shoe 11 and outer cover；The flat axis 10 is equipped with flat end 101 and hinged end 102, and flat end 101 is corresponding to be located at two
Between the end face of a 11 other end of the brake shoe；Hinged end 102 passes through the hinge hole and Moving plate seat 6 being arranged on Moving plate seat 6
Hingedly, and through the hinge hole it is fixedly connected with one end of turning handle 14；The other end of the turning handle 14 is connected with big pressure spring 15
One end；The fixed frame 16 is fixed on Moving plate seat 6, and the other end of the big pressure spring 15 is connected to fixed frame 16
On；The elastic force of the big pressure spring 15 provides flat 10 torque of axis, flat end 102 be it is rectangular, under the action of torque by brake shoe 11 to
13 inner sidewall direction of outer cover is opened, and supports drag ring 12 on 13 inner sidewall of outer cover.It is real that device setup cost is supported into friction
Apply this kind of structure in example, drag ring supports device to be become elasticity and support to supporting for drag ring 12；In high-speed friction braking
In the process, reaction force is fed back to brake shoe 11 by drag ring 12, and then gives big pressure spring 15 by the torque feedback of flat axis 10；It can
So that drag ring 12 obtains compensation slightly during severe friction, to reduce wear rate, drag ring 12 is improved
Service life；Meanwhile the structure, so that drag ring 12 always can be with during the constantly abrasion of drag ring 12 becomes smaller and narrows
12 inner sidewall of outer cover is supported under power in supporting for elasticity, there is indomitable rubbing action always, without generating gap, also
So that drag ring 12 is made the best use of everything, utilization rate is got higher, and does not need often to replace；The pressure supported by big pressure spring 15 elastic force
It determines, therefore in the case where 12 coefficient of friction of static friction ring is constant, can be reached by the way that the elastic size of big pressure spring 15 is arranged
To the purpose of control 12 stiction size of drag ring.But the application is not limited, in some embodiments it is possible to be Moving plate
One circle protrusion of 6 sides of seat projection into outer cover 13；Drag ring 12 can be folded between protrusion and 12 inner sidewall of outer cover and rub
Wipe transmission；But because protrusion is fixed setting, the not no elastic counter-active effect of the application, therefore when drag ring has abrasion
When, wearing clearance will be generated, to reduce frictional force, in the case of this kind, drag ring service life is low, it needs to be replaced frequently,
Therefore it is not preferred structure.
In certain embodiments, centrifugation stop mechanism includes swing mechanism and block 5, and the swing mechanism includes small drawing
Spring 19, centrifugal pendulum refer to that 20, pendulum refers to limiting section；The centrifugal pendulum refers to that 20 one end is hingedly mounted on Moving plate seat 6, the centrifugation
Pendulum refers to 20 other end as the end that freely swings, and the centrifugal pendulum refers to that 20 inside is equipped with pull ring 201；It is connected on pull ring 201 small
One end of tension spring 19, the other end of small extension spring 19 are fixed on Moving plate seat 6；The pendulum refers to that limiting section is fixed at Moving plate seat 6
On, and be located at centrifugal pendulum and refer to that 20 outside refers to that 20 limit to centrifugal pendulum；Pendulum refers to that limiting section can be fixedly disposed at Moving plate
A protrusion or a block baffle or other limit barrier structures on seat；The centrifugal pendulum refers to 20 in centrifugal force
Under effect, overcomes the pulling force of small extension spring 19 to be rocked to pendulum and refer to that limiting section is possible；The block 5 is fixed at external structure
On, it specifically can be arranged directly on the shell 2 of external transmission device shown in Fig. 2；It can also be as shown in Fig. 2, setting
It sets in a fixed mounting plate 4, then is fixedly connected by fixed mounting plate 4 and the shell 2 of external transmission device；When described
Centrifugal pendulum refers to 20 when overcoming small extension spring 19 to be rocked to pendulum to refer to limiting section, and the centrifugal pendulum refers to 20 motion path and the formation of block 5
Interference, block 5 refer to that 20 carry out limit blocking to centrifugal pendulum；When the centrifugal pendulum refer to 20 under the pulling force effect of small extension spring 19 it is separate
When pendulum refers to limiting section, the centrifugal pendulum refers to that 20 motion path and block 5 are avoided.The embodiment is that an oscillating machine is separately provided
The case where structure, can only form emergency stop braking under one of situation clockwise in transmission shaft or reverse；And it can not bi-directional braking.
In certain embodiments, centrifugation stop mechanism can also be further arranged, the swing mechanism is equipped with
Two；One swing mechanism forms clockwise centrifugation stop mechanism in the case where Moving plate seat 6 rotates clockwise, with block 5；It is another
A swing mechanism forms with block 5 in the case where Moving plate seat 6 rotates counterclockwise and reverses centrifugation stop mechanism.It specifically, can be with
By principle described in the preceding paragraph text carry out it is oppositely arranged, by oppositely arranged two swing mechanisms, both can with it is same
One block forms centrifugation stop mechanism；The setting position of two of them swing mechanism can be with no restriction；Make to be centrifuged locking-type certainly
Dynamic brake gear either in the case where transmission shaft rotates forward hypervelocity or reversion hypervelocity, all has braking action；In certain fortune
In transfer device, it is of great significance to safety guarantee；For example it is applied to the monorail conveyer on hills, hillside orchard, in complexity
In the environment of, when ascents and descents are out of control；Emergency stop brake protection can be carried out using the device, stop the fortune of transmission mechanism
Make.
The embodiment of above two centrifugation stop mechanism, is shown, but those skilled in the art not in the drawings
In the case where combining structure described in the prior art and the application text, unquestionable can obtain its specific setting structure into
Row production and assembly.
But in some embodiments, due to the volume for needing control whole, then installation space will necessarily be made narrow,
It just needs to improve space utilization rate at this time, keeps structure more compact, at this point, just can be used one employed in following the present embodiment
The organization plan of kind centrifugation stop mechanism；
The centrifugation stop mechanism used in the present embodiment is as shown in Figure 4；It is solid that described two swing mechanisms are mounted on one side by side
Determine on baffle 17；The two sides of the fixed baffle 17 are equipped with the rib for referring to limiting section as pendulum, are respectively equipped with one on the inside of rib
Centrifugal pendulum refers to 20, and centrifugal pendulum refers to that 20 are hinged on fixed baffle 17 close to the one end at 6 center of Moving plate seat, and the other end is free end；
Two centrifugal pendulums refer to that 20 inside is equipped with pull ring 201, and the pull ring 201 is connected with one end of small extension spring 19, small extension spring 19 it is another
One end is connected on fixed baffle 17；The fixed baffle 17 is fixedly mounted on Moving plate seat 6.Keep mounting structure more tight
It gathers.Specifically small extension spring 19 can be connected directly between on fixed baffle 17 in certain embodiments；In certain embodiments may be used
To be connected on fixed baffle 17 by engaging lug 18；
The present embodiment, the fixed baffle 17 are equipped with engaging lug 18, and the both ends of the engaging lug 18 are respectively provided with
The connecting portion being connect with small extension spring 19.Using engaging lug 18, it is easily installed small extension spring 19, small extension spring 19 is more small
When part, it will just belong to fine manipulation on fixed baffle 17 that small extension spring 19 is directly connected to, it is slightly inconvenient；In setting engaging lug
In the case where 18, it can first be about to small extension spring 19 and be connected on engaging lug 18, then the engaging lug 18 that volume ratio small extension spring 19 is big
It is fixed on fixed baffle 17, so that the attended operation of fining to be become to the efficiency for simply promoting installation.
In all of the embodiments shown above, the main body for being centrifuged locking-type dead-man's device is 6 structure of outer cover 13 and Moving plate seat
At；The block 5 of a components as centrifugation stop mechanism, needs separately installed, thus needs in external transmission device
The mounting structure of block 5 is just reserved before production；For certain molding transmission devices reequiped, just
No longer it is applicable in；
It can be carried out following setting at this time: separately setting a fixed mounting plate 4, the structure of the fixed mounting plate 4 can root
Factually border requests for alternations and be designed；It is equipped in the middle part of the fixed mounting plate 4 and leads to for what external rotation axis 1 extended through
Hole；The fixed mounting plate 4 is equipped with the screw hole being fixedly connected for the shell with external transmission device, then passes through bolt 3
It is fixed；The block 5 is fixed in fixed mounting plate 4.In some cases, we can be in external transmission device
Or the mounting structure of block 5 is reserved in external fixed structure；But it is automatic in some cases, to be then unfavorable for centrifugation locking-type
The popularization of brake gear；Repacking is detrimental to for certain equipment being currently running；Therefore setting is fixedly mounted
Plate 4 installs block 5, just facilitates and installs to installation block 5, promotes the stability of block 5；Fixed mounting plate 4 and outside
The connection of device, which can adopt, to be screwed or is fixed using other structures, and adaptability can be so promoted.
Meanwhile in certain embodiments, setting shield (not shown go out) also can be used, the shield is arranged in outer cover 13
Side far from fixed mounting plate 4, the shield are provide with outer cover 13 and Moving plate seat 6 and are fixed in fixed mounting plate 4.Protection
The setting of cover has protection and dustproof effect to internal dead-man's device；It improves service life.
Moving plate seat described in the present embodiment 6 is rotationally socketed by a sliding shaft sleeve 61 and external rotation axis 1.Certain
In embodiment, it can also be not provided with sliding shaft sleeve 61, by another way direct or indirect rotatable socket.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of centrifugation locking-type dead-man's device, it is characterised in that: including outer cover, Moving plate seat, centrifugation stop mechanism and quiet
Slip gear；The outer cover is socketed in fixed conveyor in external rotation axis and connects；The Moving plate seat rotatably covers
It connects in external rotation axis, and corresponding positioned at outer cover side having an open structure；The outer cover passes through static friction transmission mechanism
It is sequentially connected with Moving plate seat, drives Moving plate seat synchronous rotary in external rotation axis；The centrifugation stop mechanism is arranged in Moving plate
Far from the one side of outer cover, the centrifugation stop mechanism is used to rotate in Moving plate seat to work when limiting speed in centrifugal force seat
Emergency stop braking is carried out to Moving plate seat with lower；The Moving plate seat will be made in the case where emergency stop is braked by static friction transmission mechanism
Power passes to outer cover and external rotation axis, carries out emergency stop braking to external rotation axis.
2. a kind of centrifugation locking-type dead-man's device according to claim 1, it is characterised in that: the static friction transmission
Mechanism includes that drag ring, drag ring support device；The drag ring is close to the setting of outer cover inner sidewall；The drag ring supports dress
For supporting drag ring in outer cover inner sidewall, the other end is fixedly installed on Moving plate seat for the one end set.
3. a kind of centrifugation locking-type dead-man's device according to claim 2, it is characterised in that: the drag ring is supported
Device includes brake shoe, articulated shaft, flat axis, turning handle, big pressure spring, fixed frame；The brake shoe is corresponding with outer cover inner sidewall
It is set as arcuate structure；The articulated shaft is fixed at the eccentric position that Moving plate seats against on the one side of nearly outer cover；Described in two
One end of brake shoe passes through articulated shaft and is hinged on Moving plate seat；The other end of two brake shoes is oppositely arranged；It is described to rub
Ring is wiped to be correspondingly arranged between brake shoe and outer cover inner sidewall；The flat axis is equipped with flat end and hinged end, and flat end is corresponding to be located at two
Between the end face of a brake shoe other end；Hinged end passes through the hinge hole being arranged on Moving plate seat and Moving plate seat is hinged, and
And it is fixedly connected through the hinge hole with one end of turning handle；The other end of the turning handle is connected with one end of big pressure spring；It is described solid
Determine frame to be fixed on Moving plate seat, the other end of the big pressure spring is connected on fixed frame；The elastic force of the big pressure spring provides
Flat axis torque, flat end open brake shoe to outer cover inner sidewall direction under the action of torque, support drag ring in outer cover
On side wall.
4. a kind of centrifugation locking-type dead-man's device according to claim 1, it is characterised in that: the centrifugation stop machine
Structure includes swing mechanism and block, and the swing mechanism includes that small extension spring, centrifugal pendulum refer to, put and refer to limiting section；The centrifugal pendulum
One end of finger is hingedly mounted on Moving plate seat, and the other end that the centrifugal pendulum refers to is the end that freely swings, and the centrifugal pendulum refers to interior
Side is equipped with pull ring；One end of small extension spring is connected on pull ring, the other end of small extension spring is fixed on Moving plate seat；The pendulum refers to limit
Portion is fixed on Moving plate seat, and is located at the outside that centrifugal pendulum refers to and is limited to centrifugal pendulum fingering row；The centrifugal pendulum refer to from
Under the action of mental and physical efforts, overcomes the pulling force of small extension spring to be rocked to pendulum and refer to that limiting section is possible；The block is fixed at outside
In structure；When the centrifugal pendulum refers to that overcoming small extension spring to be rocked to pendulum refers to limiting section, motion path and gear that the centrifugal pendulum refers to
Block forms interference, and block, which limits centrifugal pendulum fingering row, to be stopped；When the centrifugal pendulum refer to it is separate under the pulling force effect of small extension spring
When pendulum refers to limiting section, motion path and the block that the centrifugal pendulum refers to are avoided.
5. a kind of centrifugation locking-type dead-man's device according to claim 4, it is characterised in that: the swing mechanism is set
There are two；One swing mechanism forms clockwise centrifugation stop mechanism in the case where Moving plate seat rotates clockwise, with block；It is another
A swing mechanism forms with block in the case where Moving plate seat rotates counterclockwise and reverses centrifugation stop mechanism.
6. a kind of centrifugation locking-type dead-man's device according to claim 5, it is characterised in that: described two oscillating machines
Structure is mounted on side by side on a fixed baffle；The two sides of the fixed baffle, which are equipped with, refers to the rib of limiting section as pendulum, in rib
Side is respectively equipped with a centrifugal pendulum and refers to, centrifugal pendulum refers to that one end close to Moving plate seat center is hinged on fixed baffle, and the other end is certainly
By holding；The inside that two centrifugal pendulums refer to is equipped with pull ring, and the pull ring is connected with one end of small extension spring, the other end connection of small extension spring
On fixed baffle；The fixed baffle is fixedly mounted on Moving plate seat.
7. a kind of centrifugation locking-type dead-man's device according to claim 6, it is characterised in that: on the fixed baffle
Equipped with engaging lug, the both ends of the engaging lug are respectively provided with the connecting portion connecting with small extension spring.
8. according to a kind of described in any item centrifugation locking-type dead-man's devices of claim 4-7, it is characterised in that: further include
There is fixed mounting plate, is equipped with the through-hole extended through for external rotation axis in the middle part of the fixed mounting plate；The fixed installation
Plate is equipped with the screw hole being fixedly connected for the shell with external transmission device；The block is fixed on fixed mounting plate
On.
9. a kind of centrifugation locking-type dead-man's device according to claim 8, it is characterised in that: it further include shield,
Side of the outer cover far from fixed mounting plate is arranged in the shield, and the shield is provide with outer cover and Moving plate seat is fixed on fixation
On mounting plate.
10. a kind of centrifugation locking-type dead-man's device according to claim 1-7, it is characterised in that: described
Moving plate seat is rotationally socketed by a sliding shaft sleeve and external rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785968.XU CN209294289U (en) | 2018-10-31 | 2018-10-31 | A kind of centrifugation locking-type dead-man's device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785968.XU CN209294289U (en) | 2018-10-31 | 2018-10-31 | A kind of centrifugation locking-type dead-man's device |
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| CN209294289U true CN209294289U (en) | 2019-08-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322943A (en) * | 2018-10-31 | 2019-02-12 | 广东省现代农业装备研究所 | A kind of centrifugation locking-type dead-man's device |
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2018
- 2018-10-31 CN CN201821785968.XU patent/CN209294289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322943A (en) * | 2018-10-31 | 2019-02-12 | 广东省现代农业装备研究所 | A kind of centrifugation locking-type dead-man's device |
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