CN208764360U - The plug-type headstock gear of turntable for subdivision annular fast opening blind - Google Patents
The plug-type headstock gear of turntable for subdivision annular fast opening blind Download PDFInfo
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- CN208764360U CN208764360U CN201821328747.XU CN201821328747U CN208764360U CN 208764360 U CN208764360 U CN 208764360U CN 201821328747 U CN201821328747 U CN 201821328747U CN 208764360 U CN208764360 U CN 208764360U
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- China
- Prior art keywords
- turntable
- guide rail
- thrust
- fixed guide
- subdivision
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Abstract
The utility model provides a kind of plug-type headstock gear of turntable for subdivision annular fast opening blind, subdivision ring can be driven to open and close door closure by moving back and forth strut by the headstock gear.Specifically: thrust slot is machined on a side end face of turntable, rotating mechanism is for pushing turntable axially to rotate around it；Pilot hole is machined on the end face of fixed guide rail disk；Radially installed hole is provided on the periphery of abutment sleeve.Turntable, fixed guide rail disk and abutment sleeve coaxial placement, wherein fixed guide rail disk, between turntable and abutment sleeve, end face where turntable lifting force slot is opposite with fixed guide rail disk, and the pilot hole on thrust slot and fixed guide rail disk corresponds；Fixed guide rail disk and abutment sleeve and door closure are affixed；One end of strut is connected with corresponding subdivision ring, and one end that the other end passes through the radially installed Kong Houyu thrust mechanism on abutment sleeve periphery is connected, and the pilot hole that the thrust mechanism other end passes through on fixed guide rail disk is located in thrust slot.
Description
Technical field
Utility model is related to a kind of headstock gear, and in particular to a kind of headstock gear for pressure vessel fast opening blind,
Belong to fast-open type technical field of sealing technology.
Background technique
Fast opening blind structure is mounted in pressure vessel or pressure pipeline end, realizes a kind of machine quickly opened and closed
Tool device is widely used in the industrial circles such as petroleum gas, chemical industry, space flight, electric power energy.Relative to bolt flange structure,
Fast opening blind structure opens and closes door closure and operates quicker, the industrial applications for needing often to assemble and disassemble suitable for door closure.
Existing fast opening blind structure mainly has tooth-type, eye-splice type, band type, ring lock shape (including subdivision annular) etc. more
Kind structure type.There are ring locking-type, clip if being applied to the fast opening blind structure of long distance pipeline filter and receiving ball tube device
Etc. structures.From the point of view of being convenient to mount and dismount property, ring locks shape structure, and there is blind plate door closure to open and close easy to operate, load-carrying construction advantages of simple etc.
Advantage is got a lot of applications on above-mentioned long distance pipeline filter.But some ask is still remained in application practice discovery structure
Topic, as door closure unlatching occur often it is stuck and the phenomenon that do not open, in addition structure designs also not compact etc. enough, more important point
It is that existing ring locking-type quick-opening structure is cut using whole annulus and opens a gap, by mechanism by the opening and closing of notch both ends
Device (generally by manual operation, similar spanner rotating mechanism) connects door closure and high neck to reach to bear internal pressure axial action
Power；In the opening or closing course of ring lock, overall deformation is mainly locked by ring to reach radial dimension variation, but blind with writing
Board diameter or internal pressure increase, and the rigidity of ring lock can be increasing, to overcome active force needed for deformation also increasing, manual operation
It will become difficult, headstock gear design can there is a problem of new, if design is driven using electric device, certainly will increase mechanism
Complicated and cost.Subdivision annular ring lock is the subdivision by the way that whole annulus to be cut into certain amount (weight) by diameter
Ring, and connected with strut, move back and forth (push-and-pull) subdivision ring radially by strut to complete ring lock opening and closing effect.By integral loop
Piecemeal theoretically only needs the weight for overcoming subdivision ring and its frictional resistance that can complete opening-closing process in this way, and hoisting capacity is compared
Whole lock ring structure will be reduced, but how reasonably moving back and forth strut and driving subdivision ring opening and closing door closure is then a need
The technical issues of rationally solving.
Utility model content
In view of this, the present invention provides a kind of plug-type headstock gear of turntable for subdivision annular fast opening blind,
Subdivision ring can be driven to open and close door closure by moving back and forth strut by the headstock gear.
The lock ring of ring locking-type fast opening blind is circumferentially divided into more than two segmental arcs, each segmental arc is a subdivision
Ring；The lock ring is mounted between hubbed flange and door closure；The plug-type headstock gear of turntable for subdivision annular fast opening blind
It include: turntable, fixed guide rail disk, abutment sleeve, rotating mechanism and the one-to-one strut of the subdivision ring and and strut
One-to-one thrust mechanism；
Be machined on one side end face of the turntable with the one-to-one arc thrust slot of strut, the arc thrust slot is inclined
Heart setting, both ends are located at the different-diameter position of turntable；The rotating mechanism is connected with the turntable, for pushing turntable
It is axially rotated around it；
It is machined on the end face of the fixed guide rail disk and the one-to-one radial pilot hole of strut；
It is provided on the periphery of the abutment sleeve and the one-to-one radial mounting hole of strut；
Its overall connection relationship is: the turntable, fixed guide rail disk and abutment sleeve coaxial placement, wherein the fixation
Guide rail disk is between the turntable and abutment sleeve, end face where arc thrust slot and fixed guide rail disk on the turntable
Relatively, and the pilot hole on the arc thrust slot and fixed guide rail disk corresponds；The fixed guide rail disk and positioning
Sleeve and the door closure are affixed；
One end of the strut is connected with corresponding subdivision ring, and the other end passes through the radial direction on abutment sleeve periphery
It is connected after mounting hole with one end of the thrust mechanism, the thrust mechanism other end passes through leading on the fixed guide rail disk
It is located in the arc thrust slot to hole；When the rotating mechanism pushes turntable axially to rotate around it, the arc thrust slot
Two sidewalls push pilot hole of the thrust mechanism on the fixed guide rail disk to move, so by the strut push with
Connected subdivision ring move along the radial.
The thrust mechanism includes: pin, thrust idler wheel and guide roller；
The axis of the pin is parallel with the turntable axis, is each perpendicular to the strut；One end of the strut and with
Corresponding subdivision ring be connected, the other end pass through abutment sleeve periphery on radially installed hole and pin end through-hole after
It is compressed and is positioned by clamp nut；The pin other end is connected with guide roller and thrust idler wheel, wherein the thrust idler wheel
In the arc thrust slot of turntable, when the turntable is axially rotated around it, described in the arc thrust slot two sidewalls promotion
Thrust idler wheel；The guide roller is located in the pilot hole of fixed guide rail disk.
The rotating mechanism includes: rotation armed lever and tumbler shaft；The tumbler shaft is vertically fixed on the turntable end face,
Described rotation armed lever one end is connected with the tumbler shaft, pushes the turntable axially to rotate around it by the rotation armed lever.
The utility model has the advantages that
(1) headstock gear realizes enabling and door closing procedure, Neng Gouyou by the strut that turntable push-and-pull is connected with subdivision ring
Effect reduces hoisting capacity.
(2) sealing ring is set in the fluting in the fluting of door closure bottom or on hubbed flange flange step, at the beginning of sealing ring
Beginning installation site with the presence of the certain floating spacing in internal pressure operating position, it is possible thereby to after operating pressure is laid down, so that sealing
Circle to door closure and ring lock there is no pressure effects, the push-pull effort of strut and subdivision ring only needs mainly to overcome weight (subdivision as a result,
Ring and strut weight) and the frictional resistance as caused by weight based on, considerably increase controllable large-scale and high using manual wrench
Pressure acts on the size range of door closure opening and closing.
(3) thrust idler wheel and guide roller can mutually balance the active force received, make the axial when being pushed of pin
It does not glance off, while rolling and playing the role of reducing friction.
Detailed description of the invention
Fig. 1 is that integral installation schematic diagram of the plug-type headstock gear of the turntable on fast opening blind is (fast at this time in embodiment 1
Open blind plate is in the open state)；
Fig. 2 and Fig. 3 is the plug-type headstock gear local detail schematic diagram of the turntable in embodiment 1 (in Fig. 2 at fast opening blind
In closed state)；
Fig. 4 is the structural schematic diagram of turntable；
Fig. 5 is the structural schematic diagram of fixed guide rail disk；
Fig. 6 is the structural schematic diagram of abutment sleeve；
Fig. 7 is the cooperation schematic diagram of fixed guide rail disk and turntable；
Fig. 8 is the plug-type headstock gear local detail schematic diagram of the turntable in embodiment 2.
Wherein: 1- subdivision ring；2- strut；3- rotates armed lever；4- turntable；5- tumbler shaft；6- positioning pin；7- fixing screws；
8- thrust idler wheel；9- guide roller；10- fixes guide rail disk；11- abutment sleeve；12- pin；13- clamp nut；14- sealing
Circle；15- hubbed flange；16- door closure；17- arc thrust slot；18- pilot hole.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment 1:
The present embodiment provides a kind of plug-type headstock gear of turntable for strut subdivision annular fast opening blind, device peaces
In ring locking-type fast opening blind structure, enabling and door closing procedure are realized by the opening and closing of subdivision ring.
As shown in Figure 1, ring lock is mounted on blind plate hubbed flange 15 (flange at pressure vessel inlet and outlet position is arranged in)
Between door closure 16, monoblock type ring lock is circumferentially averagely cut into multiple arcs section, each segmental arc is a subdivision ring
1, each subdivision ring connects the strut 2 of a direction blind plate, and ring lock is completed by making strut 2 radially move back and forth (push-and-pull)
Open and close effect.Monoblock type ring lock is divided into six subdivision rings 1 in the present embodiment, then is correspondingly arranged on six roots of sensation strut 2.The present embodiment
The setting of middle strut 2 (is relatively large in diameter, be not easy the case where punching) on 16 surface of door closure suitable for door closure, 2 end of strut be provided with
Its link block being threadedly coupled, the link block and the welding of corresponding subdivision ring 1, so that strut 2 and subdivision ring 1 is affixed.
As shown in Figures 2 and 3, the movement of strut 2 is realized by the plug-type headstock gear of turntable, the plug-type opening and closing dress of turntable
It sets and is mounted on door closure 16, comprising: rotation armed lever 3, turntable 4, fixed guide rail disk 10, abutment sleeve 11 and thrust mechanism.
The structure of turntable 4 as shown in figure 4, be machined on a side end face of turntable 4 with the one-to-one thrust slot of strut 2,
Thrust slot is along the circumferential equally distributed six arcs thrust slot of turntable 4 in the present embodiment, and arc thrust slot is impeller shape, i.e. arc
Shape thrust slot is not coaxial with turntable 4, and the both ends of arc thrust slot are located at the different-diameter position of turntable 4；The other side of turntable 4
It is connected by the tumbler shaft 5 perpendicular to its end face with rotation armed lever 3 on end face, turntable 4 can be pushed around it by rotating armed lever 3
Axial rotation.
The structure of fixed guide rail disk 10 as shown in figure 5, on the end face of fixed guide rail disk 10 it is circumferentially distributed have it is multiple
Location hole, and be machined on its end face and the one-to-one bar shaped pilot hole of strut 2, six fixed guide rail circles in bar shaped pilot holes edge
Disk 10 is arranged radially, and is uniformly distributed along the circumferential direction of fixed guide rail disk 10.
The structure of abutment sleeve 11 as shown in fig. 6, abutment sleeve 11 for realizing the positioning to strut 2, abutment sleeve 11
It is circumferentially distributed on end face to have multiple location holes, and be provided on its periphery and the one-to-one radial mounting hole of strut 2.
Thrust mechanism and strut 2 correspond, including pin 12, guide roller 9 and thrust idler wheel 8.Strut 2 is axial and fixed
The axis of position sleeve 11 is vertical, and six struts 2 are circumferentially distributed along abutment sleeve 11, pacifies with the radial direction on 11 periphery of abutment sleeve
Hole is filled to correspond.Specifically: one end of strut 2 is connected with corresponding subdivision ring 1, and the other end is across the circle of abutment sleeve 11
After the through-hole of 12 end of pin in radially installed hole and corresponding thrust mechanism on circumferential surface by clamp nut 13 into
Row compresses positioning.12 other end of pin is connected with guide roller 9 and thrust idler wheel 8, and wherein guide roller 9 is located at fixed guide rail circle
In the pilot hole of disk 10, thrust idler wheel 8 is located in the thrust slot of turntable 4.
When actual installation, first abutment sleeve 11 is fixed on door closure 16 by positioning pin 6, then by the end of strut 2
Radially installed hole on 11 periphery of abutment sleeve, and pin 12 is mounted on strut 2, and put gasket well, pressure is twisted
Tight nut 13；The location hole on fixed guide rail disk 10 is passed through into positioning pin 6 again, while making the guiding on fixed guide rail disk 10
Hole passes through pin 12, so that fixed guide rail disk 10 is coaxially placed on abutment sleeve 11；Then guide roller 9 is passed through into pin
12, in the pilot hole for putting fixed guide rail disk 10 into；Thrust idler wheel 8 is passed through into pin 12 later, is located at 9 top of guide roller,
The coaxial placement turntable 4 above fixed guide rail disk 10, with the thrust slot cover of turntable 4 on thrust idler wheel 8, so that thrust idler wheel
8 are located in the corresponding thrust slot of turntable 4 one by one；Finally by fixing screws 7 from turntable 4, fixed guide rail disk 10 and abutment sleeve
11 it is coaxial after centre bore pass through, fixed guide rail disk 10 is fixed on door closure 16；Fixing screws 7 and 4 clearance fit of turntable,
Turntable 4 can independently rotate, and it is fixed to the axial direction of turntable 4, fixed guide rail disk 10 and abutment sleeve 11 that fixing screws 7 are realized simultaneously
Position.Converge to 2 strut of the six roots of sensation on the turntable 4 at the center of being mounted on by the pin 12 with idler wheel, by rotating armed lever 3
Turntable 4 is pushed to rotate by a certain angle, during turntable 4 rotates, 4 lifting force slot two sidewalls of turntable push-and-pull 2 end of strut is pushed away
Power idler wheel 8, thus move guide roller 9 in pilot hole, since being arranged radially for guide rail disk 10 is fixed on pilot hole edge, into
And drive strut 2 that there is radial displacement by pin 12, so that the subdivision ring 1 being connected with strut 2 moves radially disengaging height
In the link slot of cervical approach orchid 15, enabling and door closing procedure are realized.
In opening-closing process, can reserve between subdivision ring 1 and the link slot of hubbed flange 15 can centainly pass in and out gap, the gap
It is realized by the sealing ring 14 with float function.Sealing ring 14 is located in the fluting of 16 bottom of door closure.Sealing ring 14 is initial
Installation site it is possible thereby to after operating pressure is laid down, allows sealing ring 14 with the presence of the certain floating spacing in internal pressure operating position
To door closure 16 and lock ring, there is no pressure effects, guarantee the no drag effects of opening and closing locked to ring.Strut 2 and subdivision as a result,
The push-pull effort of ring 1 only needs mainly to overcome based on weight (subdivision ring and strut weight) and the frictional resistance as caused by weight, turntable 4
Rotation arm strength (torque) as long as overcoming the resistive torque；Since the resistance influences compared to due to sealing ring lock ring opening and closing
The uncertain drag effects that holding out against can not eliminate and generate are lesser, thus are considerably increased controllable using manual wrench
The size range of large-scale and high pressure effect door closure opening and closing.
Embodiment 2:
As shown in figure 8, being with the difference of above-described embodiment 1, strut 2 is located at the through-hole inside door closure in the present embodiment
It is interior, it is suitable for minor diameter door closure, 2 end of strut is directly threadedly coupled with corresponding subdivision ring 1 at this time；In its present embodiment
Sealing ring 14 is located in the fluting on 15 flange step of hubbed flange.
In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model
Protection scope.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap
Containing being within the protection scope of the utility model.
Claims (5)
1. being used for the plug-type headstock gear of turntable of subdivision annular fast opening blind, the lock ring of ring locking-type fast opening blind is circumferentially divided into
More than two segmental arcs, each segmental arc are a subdivision ring (1)；The lock ring is mounted on hubbed flange (15) and door closure
(16) between；It is characterized in that, the headstock gear includes: turntable (4), fixed guide rail disk (10), abutment sleeve (11), rotation
Rotation mechanism, with the one-to-one strut (2) of the subdivision ring (1) and with strut (2) one-to-one thrust mechanism；
It is machined on one side end face of the turntable (4) and strut (2) one-to-one arc thrust slot, the arc thrust slot
Eccentric setting, both ends are located at the different-diameter position of turntable (4)；The rotating mechanism is connected with the turntable (4), is used for
Turntable (4) are pushed axially to rotate around it；
It is machined on the end face of the fixed guide rail disk (10) and strut (2) one-to-one radial pilot hole；
It is provided on the periphery of the abutment sleeve (11) and strut (2) one-to-one radial mounting hole；
Its overall connection relationship is: the turntable (4), fixed guide rail disk (10) and abutment sleeve (11) coaxial placement, wherein
The fixed guide rail disk (10) is between the turntable (4) and abutment sleeve (11), arc thrust slot on the turntable (4)
Place end face and fixed guide rail disk (10) relatively, and the pilot hole one on the arc thrust slot and fixed guide rail disk (10)
One is corresponding；The fixed guide rail disk (10) and abutment sleeve (11) and the door closure (16) are affixed；
One end of the strut (2) is connected with corresponding subdivision ring (1), and the other end passes through on abutment sleeve (11) periphery
Radially installed hole after be connected with one end of the thrust mechanism, the thrust mechanism other end pass through the fixed guide rail disk
(10) pilot hole on is located in the arc thrust slot；When the rotating mechanism pushes turntable (4) axially to rotate around it, institute
Stating arc thrust slot two sidewalls pushes pilot hole of the thrust mechanism on the fixed guide rail disk (10) mobile, Jin Ertong
Crossing the strut (2) pushes the subdivision ring (1) being attached thereto to move along the radial.
2. being used for the plug-type headstock gear of turntable of subdivision annular fast opening blind as described in claim 1, which is characterized in that institute
Stating thrust mechanism includes: pin (12), thrust idler wheel (8) and guide roller (9)；
The axis of the pin (12) is parallel with the turntable (4) axis, is each perpendicular to the strut (2)；The strut (2)
One end is connected with corresponding subdivision ring (1), the other end pass through abutment sleeve (11) periphery on radially installed hole and
Positioning is compressed by clamp nut (13) after the through-hole of pin (12) end；Pin (12) other end is connected with guide roller
(9) and thrust idler wheel (8), wherein the thrust idler wheel (8) is located in the arc thrust slot of turntable (4), when the turntable (4) around
When it is axially rotated, the arc thrust slot two sidewalls push the thrust idler wheel (8)；The guide roller (9), which is located at, fixes
In the pilot hole of guide rail disk (10).
3. being used for the plug-type headstock gear of turntable of subdivision annular fast opening blind as claimed in claim 1 or 2, feature exists
In the rotating mechanism includes: rotation armed lever (3) and tumbler shaft (5)；The tumbler shaft (5) is vertically fixed in the turntable (4)
On end face, the rotation armed lever (3) one end is connected with the tumbler shaft (5), pushes the turntable by the rotation armed lever (3)
(4) it is axially rotated around it.
4. being used for the plug-type headstock gear of turntable of subdivision annular fast opening blind as claimed in claim 1 or 2, feature exists
In, it is provided with sealing ring (14) in the door closure (16) bottom groove or on the groove of hubbed flange (15) flange, it is described close
The initial makeup location of seal (14) sets floating spacing with the presence of internal pressure operating position.
5. being used for the plug-type headstock gear of turntable of subdivision annular fast opening blind as claimed in claim 1 or 2, feature exists
In, it is circumferentially arranged on the end face of the fixed guide rail disk (10) and abutment sleeve (11) to have more than one location hole, it is described
Location hole is used for positioning pin (6) cooperation that the fixed guide rail disk (10) and abutment sleeve (11) and the door closure (16) is solid
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328747.XU CN208764360U (en) | 2018-08-17 | 2018-08-17 | The plug-type headstock gear of turntable for subdivision annular fast opening blind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328747.XU CN208764360U (en) | 2018-08-17 | 2018-08-17 | The plug-type headstock gear of turntable for subdivision annular fast opening blind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764360U true CN208764360U (en) | 2019-04-19 |
Family
ID=66132137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821328747.XU Expired - Fee Related CN208764360U (en) | 2018-08-17 | 2018-08-17 | The plug-type headstock gear of turntable for subdivision annular fast opening blind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764360U (en) |
-
2018
- 2018-08-17 CN CN201821328747.XU patent/CN208764360U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190419 Termination date: 20210817 |