CN107097066A - Location nut provision for disengagement - Google Patents
Location nut provision for disengagement Download PDFInfo
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- CN107097066A CN107097066A CN201710370835.XA CN201710370835A CN107097066A CN 107097066 A CN107097066 A CN 107097066A CN 201710370835 A CN201710370835 A CN 201710370835A CN 107097066 A CN107097066 A CN 107097066A
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- nut
- location nut
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- pin
- provision
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The present invention relates to keeper dismantling technology field, more particularly to a kind of location nut provision for disengagement.The location nut provision for disengagement of the present invention, including the nut driving device for location nut to be disassembled from the bearing structure for carrying location nut, nut driving device includes nut coupling device, device of rotation driving and location structure, nut coupling device is used to be connected with location nut and location nut can be driven to rotate, device of rotation driving rotates to realize the dismounting of location nut with nut coupling device drive connection and by drive nut attachment means, location structure is used to prevent bearing structure from rotating with location nut when device of rotation driving drive nut attachment means are rotated.The present invention can prevent plant equipment from being slided in its location nut unloading process, effectively the dismounting difficulty of reduction location nut.
Description
Technical field
The present invention relates to keeper dismantling technology field, more particularly to a kind of location nut provision for disengagement.
Background technology
The keepers such as location nut and alignment pin are often used in the plant equipment such as reductor, these keepers need frequent
Dismounting, in order to be repaired in mechanical equipment fault.By taking the reductor shown in Fig. 1 as an example, the reductor 1 includes flange
11st, housing 13, gear drive and arrestment mechanism etc., wherein, pass through seal 12 and two between flange 11 and housing 13
Bearing 14 is connected, wherein right side bearing 14 is positioned and locked by location nut 15, and in location nut 15 and flange 11
Between be connected with alignment pin 16, to prevent location nut 15 from loosening.In the seal 12, housing 13 or bearing to failure reductor
When 14 grade parts carry out dismounting and change, it is necessary to first dismantle location nut 15, and must be first before dismantling location nut 15
Dismantle alignment pin 16, operating space is smaller in addition and reductor internal structure it is complicated in terms of the reason for, cause location nut
15 dismounting difficulty is larger.
In the prior art, determine for dismantling the nut remover of location nut and generally being realized by rotational positioning nut
The dismounting of position nut, but its bearing structure infinite place effect to flange etc. for carrying location nut, in dismounting location nut
During, complete machine is easily slided, and location nut provision for disengagement force is difficult, and further the dismounting of increase location nut is difficult
Degree, even resulting in location nut dismantlement work can not proceed.Moreover, existing nut remover is generally driven using manpower
Dynamic, less efficient, labor intensity is larger, also the more difficult dismounting needs for meeting the location nut for requiring larger torque.
In addition, in the prior art, the pin provision for disengagement for dismantling alignment pin is typically only capable to dismounting determining with screwed hole
Position pin, and be difficult to complete the dismounting to unthreaded hole alignment pin.
The content of the invention
A technical problem to be solved by this invention is:Existing nut remover is entered to the location nut of plant equipment
During row dismounting, easily there is the phenomenon that plant equipment is slided, location nut dismounting difficulty is larger.
In order to solve the above-mentioned technical problem, the invention provides a kind of location nut provision for disengagement, it includes being used to determine
The nut driving device that position nut is disassembled from the bearing structure for carrying location nut, nut driving device includes spiral shell
Female attachment means, device of rotation driving and location structure, nut coupling device, which is used to be connected with location nut and can driven, to be determined
Position nut rotation, device of rotation driving with nut coupling device drive connection and rotates to realize by drive nut attachment means
The dismounting of location nut, location structure be used for prevented when device of rotation driving drive nut attachment means are rotated bearing structure with
Location nut rotation.
Alternatively, device of rotation driving includes fixed part and relative to the rotatable rotation section of fixed part, rotation section and spiral shell
Female attachment means connect and are used to drive nut coupling device to rotate, and location structure is connected with fixed part and is used for and bearing structure
Connection, and when device of rotation driving is rotated by rotation section drive nut attachment means, effect of the location structure in fixed part
Under prevent bearing structure from being rotated with location nut.
Alternatively, location structure is provided with the slot coordinated with fixed part, fixed part insertion slot;And/or, positioning knot
Structure is used to couple with bearing structure spline.
Alternatively, nut coupling device includes the first attachment structure and the second attachment structure being connected to each other, wherein:First
Attachment structure is used for and location nut grafting;And/or, the second attachment structure couples with device of rotation driving spline.
Alternatively, the first attachment structure includes being used for the one-to-one plug connector of groove in location nut, plug connector
With corresponding groove grafting;And/or, the first spline that the second attachment structure includes connection body and is arranged on connection body
Portion, the first attachment structure is arranged on connection body, and device of rotation driving includes the rotation section with the second spline part, the first flower
One in key portion and the second spline part is internal spline and another is external splines, and the second attachment structure is led to device of rotation driving
The matching spline that the first spline part is crossed with the second spline part couples.
Alternatively, device of rotation driving drive nut attachment means can be rotated automatically.
Alternatively, location nut provision for disengagement also includes pin provision for disengagement, and pin provision for disengagement is used in nut driving device
The alignment pin that dismounting is inserted in the pin-and-hole of location nut before dismantling location nut, pin provision for disengagement includes pin connection device and risen
Rise device, pin connection device is used to be used to driving pin connection device to drive alignment pin towards de- with positioning pin connection, jack up unit
Move in direction from location nut.
Alternatively, pin connection device is used to weld with alignment pin.
Alternatively, pin connection device includes connecting rod and connector, and connecting rod is welded by connector and alignment pin.
Alternatively, connector includes connector body and through the first end face relative to each other of connector body and second
The connecting hole of end face, the first end face of connector body is used for the end contact with location nut, and the first of connector body
Connecting hole is relative with the pin-and-hole of location nut when end face is with the end contact of location nut, and connector is in connection hole and alignment pin
Welding, after connector is welded on alignment pin, in connecting rod insertion connecting hole and at the second end face of connector body
Welded with connector.
Alternatively, jack up unit includes Liang Ge hydraulic liftings mechanism and a hydraulic pump, and Liang Ge hydraulic liftings mechanism is used for
Raising pin connection device, and Liang Ge hydraulic liftings mechanism connects with hydraulic pump fluid.
Alternatively, hydraulic pump includes pump body and flow dividing structure, and pump body passes through flow dividing structure and two hydraulic lifting machines
Structure is in fluid communication.
Alternatively, pin provision for disengagement also includes bearing member, and bearing member is connected with pin connection device, and jack up unit passes through driving
Bearing member come make pin connection device drive alignment pin towards depart from location nut direction movement.
Alternatively, bearing member and pin connection device are detachably connected;And/or, the connection of bearing member and pin connection device
Bar connects to form T-type structure.
In the present invention, nut driving device can not only utilize device of rotation driving and nut coupling device rotational positioning
Nut, can also utilize location structure to limit turn of the bearing structure for carrying location nut in location nut rotation process
It is dynamic so that in location nut unloading process, bearing structure can not be rotated with location nut, and plant equipment will not be slided
It is dynamic, location nut is exerted a force so as to more convenient nut driving device, the dismounting difficulty of location nut is reduced.
Be described in detail by the exemplary embodiment referring to the drawings to the present invention, further feature of the invention and
Its advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of reductor.
Fig. 2 shows the structural representation of location nut in Fig. 1.
Fig. 3 shows the use state figure of pin provision for disengagement.
Fig. 4 shows the structural representation of hydraulic pump in Fig. 3.
Fig. 5 shows the structural representation of jack in Fig. 3.
Fig. 6 shows connecting rod and the combining structure schematic diagram of bearing member in Fig. 3.
Fig. 7 shows the structural representation of connector in Fig. 3.
Fig. 8 shows the structural representation of bearing in Fig. 3.
Fig. 9 shows to sell the connecting portion sectional view of provision for disengagement and alignment pin in Fig. 3.
Figure 10 shows the I close-up schematic views in Fig. 9.
Figure 11 shows the use state figure of nut driving device.
Figure 12 shows nut driving device and the connecting portion sectional view of location nut in Figure 11.
Figure 13 shows the structural representation of torque wrench in Figure 11.
Figure 14 shows the structural representation of nut coupling device in Figure 11.
Figure 15 shows the structural representation of location structure in Figure 11.
Figure 16 shows moment of torsion schematic diagram suffered by flange when nut driving device dismantles location nut in Figure 11.
In figure:
1st, reductor;
11st, flange;12nd, seal;13rd, housing;14th, bearing;15th, location nut;16th, alignment pin;
151st, pin-and-hole;152nd, groove;
2nd, provision for disengagement is sold;
21st, hydraulic pump;22nd, jack;23rd, bearing member;24th, pin connection device;25th, bearing;
211st, pump body;212nd, branching block;213rd, connecting tube;
241st, connecting rod;242nd, connector;242a, connecting hole;
251st, link slot;
3rd, nut driving device;
31st, torque wrench;32nd, nut coupling device;33rd, location structure;
311st, rotation section;312nd, fixed part;
321st, plug connector;322nd, body is connected;321a, plug;322a, splined hole;
331st, slot.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are in no development creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation shown in the drawings or position and closed
System, is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality are not indicated that
There must be specific orientation or with specific azimuth configuration and operation with the device or element for implying meaning, therefore can not manage
Solve as limiting the scope of the invention;The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
In the description of the invention, it is to be understood that limit parts using the word such as " first ", " second ", only
It is for only for ease of and corresponding parts is distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore not
It is understood that as limiting the scope of the invention.
Fig. 3-Figure 16 shows one embodiment of location nut provision for disengagement of the present invention.Positioning spiral shell provided by the present invention
Female provision for disengagement, including the nut for location nut 15 to be disassembled from the bearing structure for carrying location nut 15
Screwing device 3, nut driving device 3 includes nut coupling device 32, device of rotation driving and location structure 33, nut connection dress
Putting 32 is used to be connected with location nut 15 and location nut 15 can be driven to rotate, device of rotation driving and nut coupling device 32
Drive connection simultaneously rotates to realize the dismounting of location nut 15 by drive nut attachment means 32, and location structure 33 is used to turn
Dynamic drive device drive nut attachment means 32 prevent bearing structure from being rotated with location nut 15 when rotating.
In the present invention, nut driving device 3 can not only be rotated using device of rotation driving and nut coupling device 32
Location nut 15, can also utilize location structure 33 to be limited in the rotation process of location nut 15 for carrying location nut 15
The rotation of bearing structure so that in location nut unloading process, bearing structure can not be rotated with location nut, so as to
Prevent plant equipment from sliding, nut driving device of being more convenient for exerts a force to location nut, reduces the dismounting difficulty of location nut.
Being additionally, since location structure 33 prevents bearing structure from being rotated with location nut 15, can be in torque identical feelings
Be effectively increased under condition location nut 15 with respect to bearing structure rotation amplitude, enabling more rapidly by location nut 15 from
Screwed off in bearing structure, therefore, the present invention can also effectively accelerate the removal efficiency of location nut 15, improve complete machine and safeguard effect
Rate.
In the present invention, device of rotation driving can include fixed part 312 and rotatably be rotated relative to fixed part 312
Portion 311, rotation section 311 is connected with nut coupling device 32 and for driving nut coupling device 32 to rotate, location structure 33 with
Fixed part 312 is connected and for being connected with bearing structure, and is filled when device of rotation driving is connected by the drive nut of rotation section 311
When putting 32 rotation, location structure 33 prevents bearing structure from being rotated with location nut 15 in the presence of fixed part 312.It is based on
This, rotation section 311 can drive location nut 15 rotate by nut coupling device 32, and the fixed part 312 not rotated can be with
The rotation of bearing structure is limited by location structure 33, so as to prevent bearing structure from being rotated with location nut 15, is made whole
Machine can be held in desired location and can not arbitrarily slide.Moreover, location structure 33 also rises to device of rotation driving simultaneously
To carrying effect, device of rotation driving force can be so further facilitated, removal efficiency is improved, improve dismounting quality.
In order to further improve the removal efficiency of location nut, in the present invention, device of rotation driving is preferably arranged to energy
Enough automatic drive nut attachment means 32 are rotated, and for example device of rotation driving can include torque wrench 31.So due to need not
Manpower drives, and therefore, removal efficiency is higher, and labor intensity is lower, and can apply bigger torque, and is easy to according to positioning spiral shell
Female is actually needed adjustment exerted forces square, so as to adapt to the dismounting demand of more location nuts, effectively expands nut of the present invention
The scope of application of screwing device 3.
In addition, the dismounting demand in order to meet the location nut 15 which is provided with alignment pin 16, location nut of the invention
Provision for disengagement can further include pin provision for disengagement 2, for being dismantled before the dismounting location nut 15 of nut driving device 3
The alignment pin 16 inserted in the pin-and-hole 151 of location nut 15.The pin provision for disengagement 2 of the present invention can include the He of pin connection device 24
Jack up unit, pin connection device 24 is used to be connected with alignment pin 16, and jack up unit is used to drive pin connection device 24 to drive positioning
Pin 16 is moved towards the direction for departing from location nut 15.Because jack up unit can drive alignment pin 16 by pin connection device 24
, therefore, can be easily by alignment pin 16 from calmly using the pin provision for disengagement 16 towards the direction movement for departing from location nut 15
Disassembled on the nut 15 of position, release locking effect of the alignment pin 16 to location nut 15, and then be easy to the later use present invention
Nut driving device 3 location nut 15 is dismantled.
Wherein, pin connection device 24 is preferably arranged to be used to weld with alignment pin 16.So pin connection device 24 is without again
Whether there is screwed hole to be limited by alignment pin 16, application is more extensive.Also, use welding manner, pin connection device
24 is more firm with the connection of alignment pin 16, contributes to pin provision for disengagement 2 to realize more reliable and more stable disassembling positioning pin process.
Further said come the location nut provision for disengagement to the present invention with reference to the embodiment shown in Fig. 3-16
It is bright.
Although the various machineries that the location nut provision for disengagement of the present invention goes for needing to dismantle location nut 15 are set
It is standby, but describe for convenience, only enter below so that it is used to dismantle the location nut 15 of reductor 1 as depicted in figs. 1 and 2 as an example
Row explanation.As shown in Figure 1, the location nut 15 of the reductor 1 has the pin-and-hole 151 and the groove positioned at outer ring positioned at inner ring
152, it is threadedly connected on flange 11, and alignment pin is provided with the positioning to bearing 14 and locking, and its pin-and-hole 151 for realizing
16, for preventing location nut 15 from loosening.It follows that in this embodiment, flange 11 is for carrying location nut 15
Bearing structure.The flange 11 of the embodiment, it is provided with boss and external splines with one end that location nut 15 coordinates.
As shown in Fig. 3-16, in this embodiment, location nut provision for disengagement includes pin provision for disengagement 2 and nut driving is filled
3 are put, wherein, pin provision for disengagement 2 is used for the dismounting before nut driving device 3 dismantles location nut 15 and is located at location nut 15
Alignment pin 16 in pin-and-hole 151, to release position-limiting action of the alignment pin 16 to location nut 15, facilitates the follow-up of location nut 15
Dismounting;Nut driving device 3 is then used for the dismounting location nut 15 after alignment pin 16 is removed by pin provision for disengagement 2, makes positioning
Nut 15 is separated with flange 11, in order to which the structure members such as the flange 11, housing 13 and seal 12 to reductor 1 are dismantled
Safeguard.
As shown in figs. 3-10, in this embodiment, pin connection device 2 includes pin connection device 24, jack up unit and load
Part 23, wherein, pin connection device 24 is used to weld with alignment pin 16;Bearing member 23 is connected with pin connection device 24;Jack up unit
By bearing member 23 and the drive connection of pin connection device 24, it is used to drive pin connection device 24 by driving bearing member 23
Alignment pin 16 is mobile towards the direction (being upward in fig .9) for departing from location nut 15, realizes the dismounting to alignment pin 16.
Because the pin connection device 24 of the embodiment is used to weld with alignment pin 16, and it is no longer used to and the screw thread of alignment pin 16
Whether connection, therefore, pin connection device 24 no longer there is screwed hole to be limited by alignment pin 16, and pin provision for disengagement 2 can both be used
In alignment pin 16 of the dismounting with screwed hole, alignment pin 16 of the dismounting without screwed hole is can be used for, versatility is stronger.
Specifically, understood with reference to Fig. 3, Fig. 6, Fig. 7 and Fig. 9 and Figure 10, the pin connection device 24 of the embodiment includes connecting
Extension bar 241 and connector 242, connecting rod 241 are welded by connector 242 with alignment pin 16.Based on this, in dismounting alignment pin 16
When, first connector 242 can be welded together with alignment pin 16, connecting rod 241 and connector 242 are then welded on one again
Rise so that the welding of pin connection device 24 and alignment pin 16 more facilitates.The setting of connector 242, it is possible to reduce operating space
Limitation of the problem of in terms of narrow and small to welding process so that connecting rod 241 and the welding of alignment pin 16 more facilitate.
More specifically, as shown in Figure 9 and Figure 10, in this embodiment, connector 242 includes connector body and through even
The first end face relative to each other of joint body and the connecting hole 242a of second end face, the first end face of connector body is (in figure
It is lower surface in 10) it is used for the end contact with location nut 15, and the first end face and location nut 15 of connector body
End contact when connecting hole 242a and location nut 15 pin-and-hole 151 it is relative, connector 242 is connecting hole 242a at positioning
Pin 16 is welded;After connector 242 is welded on alignment pin 16, in the insertion connecting hole of connecting rod 241 242a and in connector
Second end face (being upper surface in Fig. 10) place of body is welded with connector 242.So, connecting rod 241 can be by even
Joint 242 is realized to be more convenient and stronger welding with alignment pin 16, is easy to pin connection device 24 in the presence of jack up unit
Alignment pin 16 is more stably and reliably driven towards the direction movement for departing from location nut 15, to realize more smoothly alignment pin together
Unloading process.
The bearing member 23 of the embodiment is used to the driving force of jack up unit being transferred to pin connection device 24, in order to realize
Jack up unit is acted on the raising of pin connection device 24 and alignment pin 16, alignment pin 16 is departed from location nut 15.By Fig. 6 and figure
9 understand that in this embodiment, bearing member 23 is connected to form T-type structure with the connecting rod 241 of pin connection device 24.Wherein, connect
The vertical part of the formation T-type structure of bar 241, the transverse part of the formation T-type structure of bearing member 23, had both been easy to connecting rod 241 and alignment pin 16
Connection, is easy to bearing member 23 to bear the active force that jack up unit is applied again.
For driving pin connection device 24 to drive alignment pin 16 towards the jack up unit for departing from the movement of the direction of location nut 15,
Can be the various forms of jack up units such as fluid pressure type jack up unit or mechanical jack up unit.Also, jack up unit pair and pin
Attachment means 24 and the effect of the raising of alignment pin 16, can both be realized by applying lifting force (pulling force) to bearing member 23, also might be used
To be realized by applying top lift (thrust) to bearing member 23.In this embodiment, jack up unit is fluid pressure type jack up unit, and
It realizes the dismounting to alignment pin 16 by applying top lift to bearing member 23 come raising pin connection device 24 and alignment pin 16.
Specifically, from Fig. 3-5, the jack up unit of the embodiment includes jack 22 and hydraulic pump 21.Wherein, it is very heavy
Top 22 is hydraulic jack, as hydraulic lifting mechanism, for raising pin connection device 24;Hydraulic pump 21 is used to be jack
22 provide fluid, and control jack 22 is acted.In this embodiment, for more stably raising pin connection device 24 and positioning
Pin 16, as shown in figure 3, jack up unit includes two jack 22, and two jack 22 are arranged at the lower section of bearing member 23 simultaneously
Positioned at the both sides of connecting rod 241.Two such jack 22 can apply top lift to the two ends of bearing member 23 respectively so that fixed
Position pin 16 can be more steady and is efficiently removed.
Two supply hydraulic oil of hydraulic pump 21 can be respectively adopted in two jack 22, but in this case, easily occur
Two jack 22 bearing member 23 is exerted a force asynchronous and cause not of uniform size the problems such as, cause bearing member 23 because two ends stress is different
And tilt, the problems such as being easily caused the connecting portion discontinuity equalization of pin connection device 24 and alignment pin 16, be broken goes out
It is existing, influence the dismounting to alignment pin 16.Due to the less alignment pin 16 of size (such as diameter is less than or equal to 6mm alignment pin 16)
Smaller with the connecting portion of pin connection device 24, therefore, the problem of connecting portion is broken because of discontinuity equalization is in dismounting
It is more notable during the alignment pin 16 of reduced size.
Therefore, in order to further reduce the problem of pin connection device 24 and the connecting portion of alignment pin 16 are broken, such as Fig. 3
Shown, the jack up unit of the embodiment only includes a hydraulic pump 21, two jack 22 (hydraulic climbing mechanism) and this
Individual hydraulic pump 21 is in fluid communication.Because two jack 22 are by the same fuel feeding of hydraulic pump 21, hydraulic pump 21 being capable of Synchronization Control two
The action of individual jack 22, it is thus possible to improve the synchronism that two jack 22 are acted so that two jack 22 can be right
The two ends positioned at connecting rod 241 of bearing member 23 synchronously apply active force, effectively prevent the run-off the straight of bearing member 23, improve jacking
The stationarity of process, the connecting portion discontinuity equalization of pin connection device 24 and alignment pin 16, which occurs, in reduction, occur to be broken etc. asks
The risk of topic, enables pin provision for disengagement 2 more to favorably accomplish the dismounting to alignment pin 16, enables in particular to increase to smaller chi
The dismounting success rate of very little alignment pin 16.
Specifically, as shown in Figure 3 and Figure 4, in this embodiment, hydraulic pump 21 includes pump body 211 and flow dividing structure, pump
Body 211 is in fluid communication by flow dividing structure with two jack 22.More specifically, the flow dividing structure of the embodiment includes shunting
Block 212 and two connecting tubes 213, the first ends of two connecting tubes 213 respectively with two jack 22 (being specially import) one by one
Accordingly it is in fluid communication, and the second end of two connecting tubes 213 passes through branching block 212 and pump body 211 (specially exporting)
It is in fluid communication.Wherein, branching block 212 can go out with hollow chamber and the inlet connected with hollow chamber and two
Liquid mouthful, the communication of inlet and pump body, two liquid outlets are corresponded with the second end of two connecting tubes respectively
Ground is in fluid communication.
By setting up flow dividing structure, the Synchronization Control of two jack 22 of hydraulic pump 21 pair can be more easily realized, is made
Identical hydraulic oil can be provided two jack 22 simultaneously by obtaining hydraulic pump 21, and two jack of control 22 are synchronous by bearing member
33 two ends jacking identical distance, the connecting portion for more efficiently preventing from pin connection device 24 and alignment pin 16 is broken.
Also, the cooperation of two jack 22 and same hydraulic pump 21 for convenience, and dismounting control for convenience, by scheming
3-5 understands that in this embodiment, jack 22 uses separating jack, and hydraulic pump 21 uses hydraulic hand-pump.
In addition, as shown in figure 3, in this embodiment, pin connection device 2 also includes bearing 25, bearing 25 is used to support
Rise device.Specifically, it is another from the figure 3, it may be seen that one in two jack 22 flange 11 for being directly decelerated machine 1 is supported
It is individual, supported by bearing 25 by flange 11, be so easy to two jack 22 to apply top lift to bearing member 23, it is more stable
Ground is by the jack-up of bearing member 23.Wherein, as shown in figure 8, the bearing 25 of the embodiment with flange 11 coordinate one end (in fig. 8
As top) link slot 251 is provided with, the link slot 251 is used to be engaged with the boss on flange 11, so that bearing 25 is more firm
Stably it is supported on flange 11, and then realization is more stably supported to jack 22.Certainly, the support side of two jack 22
Formula is not limited thereto, for example, the pin provision for disengagement 2 of the embodiment can not also include bearing 25, two jack 22 are straight
Connect and supported by flange 11.
Further, since the pin connection device 24 of the embodiment is connected with alignment pin 16 using welding manner, in order to reduce into
This, and strengthen the reusing of pin provision for disengagement 2, in this embodiment, bearing member 23 is preferably removable with pin connection device 24
Connect with unloading.Specifically, bearing member 23 is preferably detachably connected with connecting rod 241, for example, bearing member 23 can be with connecting rod
241 threaded connections., can be by pin connection device 24 from load after completing to the dismantlement work of an alignment pin 16 based on this
Disassembled on part 23, the pin connection device 24 more renewed, continue to complete the dismounting to another alignment pin 16, it is time saving and energy saving and
Cost-saving.
As shown in Fig. 3 and Fig. 9 and Figure 10, the process of the pin dismounting alignment pin 16 of provision for disengagement 2 based on the embodiment is as follows:
(1) hydraulic pump 21 is operated, jack 22 is promoted bearing member 23, the jack-up of bearing member 23 is driven by bearing member 33
The pin connection device 24 welded with alignment pin 16 is moved up, and alignment pin 16 is extracted from pin-and-hole 151;(2) after, pin is changed
Attachment means 24, and the pin connection device 24 after replacing is welded on next alignment pin 16, hydraulic pump 21 is operated again, it is complete
Into the dismounting of next alignment pin 16;(3) then, (2) are repeated, until each alignment pin 16 in location nut 15 is dismantled
Finish, realize the dismounting to alignment pin 16, release limitation of the alignment pin 16 to location nut 15, be easy to 3 pairs of nut driving device
Location nut 15 is dismantled.
As illustrated in figures 11-16, in this embodiment, nut driving device 3 includes torque wrench 31, nut coupling device 32
With location structure 33, wherein, nut coupling device 32 be used for be connected with location nut 15, torque wrench 31 be used for by driving spiral shell
Female attachment means 32 rotate and screw off location nut 15 from flange 11, and location structure 33 is then used to be revolved in location nut 15
Under process in limit flange 11 rotation.
In this embodiment, torque wrench 31 is used as device of rotation driving, and its automatic drive nut attachment means 32 is rotated.
As shown in figure 13, the torque wrench 31 of the embodiment includes rotation section 311 and fixed part 312, wherein:Rotation section 311 can turn
It is dynamic, for output torque, it which is provided with external splines (not shown) so that rotation section 311 forms splined shaft;Fixed part 312
Lower section positioned at rotation section 311, it is fixedly installed relative to rotation section 311, i.e. when rotation section 311 is rotated, fixed part 312 is protected
Hold static.Fixed part 312 is square block structure, and therefore, it is referred to as square toes.As is illustrated by figs. 11 and 12, torque wrench
31 are rotated by its rotation section 311 and the drive connection of nut coupling device 32, drive nut attachment means 32;Also, moment of torsion is pulled
Hand 31 is connected by its fixed part 312 with location structure 33, and limitation flange 11 is rotated.
In this embodiment, nut coupling device 32 is used to realize the transmission from torque wrench 31 to location nut 15, its
Including the first attachment structure and the second attachment structure being connected to each other, wherein, the first attachment structure is used to connect with location nut 15
Connect, the second attachment structure and device of rotation driving drive connection, so that location nut 15 can be made in the driving of torque wrench 31
As nut coupling device 32 is rotated under.Specifically, as shown in figure 14, the second attachment structure includes connection body 322 and set
Put in the splined hole 322a on connection body 322, the insertion splined hole 322a of rotation section 311 of torque wrench 31, splined hole
322a internal spline coordinates with the external splines on torque wrench 31, it is possible to achieve the drive of nut coupling device 32 and torque wrench 31
Dynamic connection so that when rotation section 311 is rotated, nut coupling device 32 can be driven to rotate;First attachment structure is connected to second
Below attachment structure, it includes two plug connectors for being arranged at the second attachment structure (specially connecting body 322) opposite sides
321, the bottom of two plug connectors 321 is equipped with for the plug 321a with the cooperation of the groove 152 of location nut 15, two plugs
321a is inserted in two grooves 152 respectively, it is possible to achieve nut coupling device 32 and the connection of location nut 15 so that nut connects
When connection device 32 is rotated, location nut 15 can be driven to rotate.
The nut coupling device 32 of the embodiment, it passes through by the first attachment structure and the grafting of location nut 15
Two attachment structures couple with the spline of torque wrench 31, can conveniently realize the transmission from torque wrench 31 to location nut 15,
And simple in construction, transmission efficiency, be conducive to being more efficiently completed the dismounting to location nut 15.Wherein, the first attachment structure
With the grafting of location nut 15, it make use of location nut 15 that there are the own structural characteristics of groove 152, the second attachment structure is with turning round
The spline connection of square handle 31, make use of the rotation section 311 of torque wrench 31 to have the design feature of external splines, these cause
The structure of nut driving device 3 of the embodiment is simpler, and use more facilitates, and cost is lower.
It should be noted that the grafting in order to realize the first attachment structure and location nut 15, the first attachment structure is wrapped
The quantity of the plug connector 321 included is not limited to two, and for example it can also be 4, as long as in fact, the first attachment structure is wrapped
Include identical with the quantity of groove 152 in location nut 15 and one-to-one plug connector 321, you can realize and location nut 15
Firm grafting;In addition, in order to realize that nut coupling arrangement 32 couples with the spline of device of rotation driving, being also not limited to
Internal spline is set in two attachment structures, for example, alternatively, can also be set in the second attachment structure external splines and
Internal spline is set on the rotation section 311 of device of rotation driving, in fact, need to only be provided with the first spline in the second attachment structure
Portion, set on rotation section 311 one in second spline part, the first spline part and the second spline part for internal spline and another
For external splines, you can realize that the second attachment structure couples with the spline of device of rotation driving.
As shown in figure 12, the process of the dismounting location nut 15 of nut driving device 3 of the embodiment is:Torque wrench 31 leads to
Cross its rotation section 311 and a torque is applied to nut coupling device 32, rotate nut coupling device 32, this torque passes through spiral shell
Female attachment means 32 are delivered in location nut 15, location nut 15 is rotated relative to flange 11, progressively disengage flange 11, are realized
Dismounting to location nut 15.
Due to being used as device of rotation driving using torque wrench 31 so that device of rotation driving drive nut can connect automatically
Connection device 32 is rotated, and torque is applied without manpower, therefore, the dismounting more convenience and high-efficiency of location nut 15, work personnel's
Working strength is lower;Also, relative to manpower effect, torque wrench 31 can apply bigger torque, better adapt to super large
The dismounting demand of moment of torsion location nut, advantageously accounts for the problem of super large moment of torsion location nut is difficult to dismounting.Moreover, the embodiment
Nut driving device 3, location nut 15 can be disassembled on the premise of location nut 15 is remained intact, realized to fixed
The nondestructive demounting of position nut 15, because location nut 15 can be continuing with, therefore, it can effectively save resource, reduces cost;
Also, using the dismounting location nut 15 of nut driving device 3 of the embodiment, it can also avoid damaging and the bottom of location nut 15
The bearing 14 directly contacted, reduces damage of the unloading process to reductor other structures part.In addition, the embodiment uses moment of torsion
The benefit of spanner 31 is also resided in, and can easily be changed by changing the rotation direction of rotation section 311 to the institute of location nut 15
Apply the direction of moment of torsion so that can not only conveniently realize the dismounting of location nut 15, positioning spiral shell can also be conveniently realized
The assembling and fastening of mother 15.
In this embodiment, location structure 33 is used to prevent flange 11 from rotating with location nut 15, and it connects positioned at nut
The lower section of connection device 32, on the one hand with the grafting of fixed part 312 of torque wrench 31, on the other hand also couples with the spline of flange 11,
Flange 11 is limited during to be screwed off in location nut 15 to rotate.Specifically, as shown in FIG. 12 and 15, the embodiment
Location structure 33 is provided with the slot 331 coordinated with the fixed part 312 of torque wrench 31, the insertion slot 331 of fixed part 312,
The grafting of location structure 33 and fixed part 312 can be realized;Also, internal spline is additionally provided with the location structure 33 of the embodiment,
Location structure 33 is sheathed on flange 11, and the internal spline of location structure 33 coordinates with the external splines of flange 11, it is possible to achieve positioning
Structure 33 couples with the spline of flange 11.
Illustrate that location structure 33 can limit the principle of the rotation of flange 11 with reference to Figure 16:
During location nut 15 is dismantled, due to the rubbing action between location nut 15 and flange 11, spiral shell is positioned
Mother 15 while by 31 exerted forces square of torque wrench also can to flange 11 apply a torque, the size of this torque and
Direction is identical with the torque that torque wrench 31 is applied, it is assumed that its direction is as shown in right side arrow in Figure 16;Meanwhile, according to effect
Power and reaction force principle, torque wrench 31 apply a torque to nut coupling device 32, and nut coupling device 32 also can be right
Torque wrench 31 applies an opposing torque, and this opposing torque is delivered to positioning knot by the fixed part 312 of torque wrench 31
On structure 33, and it is delivered to by location structure 33 on flange 11 so that simultaneously also by left side in one such as Figure 16 on flange 11
Opposing torque shown in arrow.
It can be seen that, in the presence of location structure 33, flange 11 is simultaneously by two moment loadings, moreover, no matter moment of torsion is pulled
How the moment of torsion that hand 31 applies changes, and the two torques remain equal in magnitude and in opposite direction, therefore, is positioned by setting
Structure 33, can make flange 11 be in stress balance state all the time in whole location nut unloading process, without with fixed
Position nut 15 rotates, so as to effectively prevent reductor 1 from being slided with dismounting force direction so that reductor 1
The dismounting difficulty of location nut 15 can further be reduced with self poisoning in the unloading process of location nut 15.
In summary, the location nut provision for disengagement of the embodiment, simple in construction, cost is relatively low, easy to use, and is applicable
Scope is wide, and it dismantles alignment pin 16 first with pin provision for disengagement 2, then recycles nut driving device 3 to dismantle location nut 15,
More convenient, safety and efficient location nut unloading process can be realized.
The exemplary embodiment of the present invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (15)
1. a kind of location nut provision for disengagement, it is characterised in that including for by location nut (15) from described fixed for carrying
The nut driving device (3) disassembled in the bearing structure of position nut (15), the nut driving device (3) connects including nut
Connection device (32), device of rotation driving and location structure (33), the nut coupling device (32) are used for and the location nut
(15) connect and the location nut (15) can be driven to rotate, the device of rotation driving and the nut coupling device (32)
Drive connection simultaneously realizes the dismounting of the location nut (15) by driving the nut coupling device (32) to rotate, described fixed
Bit architecture (33) is used to prevent the carrying knot when the device of rotation driving drives the nut coupling device (32) to rotate
Structure is rotated with the location nut (15).
2. location nut provision for disengagement according to claim 1, it is characterised in that the device of rotation driving includes fixing
Portion (312) and relative to the rotatable rotation section (311) of the fixed part (312), the rotation section (311) connects with the nut
Connection device (32) is connected and for driving the nut coupling device (32) to rotate, the location structure (33) and the fixed part
(312) connect and for being connected with the bearing structure, and when the device of rotation driving is driven by the rotation section (311)
When the nut coupling device (32) rotates, the location structure (33) prevents described in the presence of the fixed part (312)
Bearing structure is rotated with the location nut (15).
3. location nut provision for disengagement according to claim 2, it is characterised in that the location structure (33) be provided with
The slot (331) that the fixed part (312) coordinates, the fixed part (312) is inserted in the slot (331);And/or, it is described
Location structure (33) is used to couple with the bearing structure spline.
4. location nut provision for disengagement according to claim 1, it is characterised in that the nut coupling device (32) includes
The first attachment structure and the second attachment structure being connected to each other, wherein:First attachment structure is used for and the location nut
(15) grafting;And/or, second attachment structure couples with the device of rotation driving spline.
5. location nut provision for disengagement according to claim 4, it is characterised in that first attachment structure includes and institute
State the one-to-one plug connector (321) of groove (152) in location nut (15), the plug connector (321) be used for it is corresponding
Groove (152) grafting;And/or, second attachment structure includes connection body (322) and is arranged on the connection body
(322) the first spline part on, first attachment structure is arranged on the connection body (322), described to rotate driving dress
Put including the rotation section (311) with the second spline part, one in first spline part and second spline part is interior
Spline and another is external splines, second attachment structure and the device of rotation driving pass through first spline part and institute
State the matching spline connection of the second spline part.
6. according to any described location nut provisions for disengagement of claim 1-5, it is characterised in that the device of rotation driving energy
It is enough to drive the nut coupling device (32) to rotate automatically.
7. location nut provision for disengagement according to claim 1, it is characterised in that the location nut provision for disengagement is also wrapped
Pin provision for disengagement (2) is included, the pin provision for disengagement (2) is used to dismantle the location nut in the nut driving device (3)
(15) alignment pin (16) before in the pin-and-hole (151) of the dismounting insertion location nut (15), pin provision for disengagement (2) bag
Pin connection device (24) and jack up unit are included, the pin connection device (24) is used to be connected with the alignment pin (16), described
Rising device is used to drive the pin connection device (24) to drive the alignment pin (16) towards the disengaging location nut (15)
Move in direction.
8. location nut provision for disengagement according to claim 7, it is characterised in that the pin connection device (24) be used for
Alignment pin (16) welding.
9. location nut provision for disengagement according to claim 8, it is characterised in that the pin connection device (24) includes connecting
Extension bar (241) and connector (242), the connecting rod (241) are welded by the connector (242) and the alignment pin (16)
Connect.
10. location nut provision for disengagement according to claim 9, it is characterised in that the connector (242) includes connection
Head body and first end face relative to each other and the connecting hole (242a) of second end face through the connector body, the company
The first end face of joint body is used for the end contact with the location nut (15), and the first end face of the connector body
The connecting hole (242a) and pin-and-hole (151) phase of the location nut (15) during with the end contact of the location nut (15)
Right, the connector (242) is welded at the connecting hole (242a) place and the alignment pin (16), when the connector (242)
After being welded on the alignment pin (16), the connecting rod (241) is inserted in the connecting hole (242a) and in the connection
Welded at the second end face of head body with the connector (242).
11. location nut provision for disengagement according to claim 7, it is characterised in that the jack up unit includes two liquid
Lifting mechanism and a hydraulic pump (21) are pressed, described two hydraulic lifting mechanisms are used for pin connection device (24) described in raising, and
Described two hydraulic lifting mechanisms are in fluid communication with the hydraulic pump (21).
12. location nut provision for disengagement according to claim 11, it is characterised in that the hydraulic pump (21) includes pump sheet
Body (211) and flow dividing structure, the pump body (211) are connected by the flow dividing structure and described two hydraulic lifting mechanisms fluid
It is logical.
13. location nut provision for disengagement according to claim 7, the pin provision for disengagement (2) also includes bearing (25), institute
Stating bearing (25) is used to support the jack up unit.
14. according to any described location nut provisions for disengagement of claim 7-13, it is characterised in that the pin provision for disengagement
(2) bearing member (23) is also included, the bearing member (23) is connected with the pin connection device (24), the jack up unit is by driving
The bearing member (23) is moved the pin connection device (24) is driven the alignment pin (16) towards the disengaging location nut
(15) direction movement.
15. location nut provision for disengagement according to claim 14, it is characterised in that the bearing member (23) and the pin
Attachment means (24) are detachably connected;And/or, the bearing member (23) and the connecting rod of the pin connection device (24)
(241) connection forms T-type structure.
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CN201710370835.XA CN107097066A (en) | 2017-05-24 | 2017-05-24 | Location nut provision for disengagement |
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CN201710370835.XA CN107097066A (en) | 2017-05-24 | 2017-05-24 | Location nut provision for disengagement |
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CN201710370835.XA Pending CN107097066A (en) | 2017-05-24 | 2017-05-24 | Location nut provision for disengagement |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107553389A (en) * | 2017-09-01 | 2018-01-09 | 中国海洋石油总公司 | A kind of base dismantling device and its method for dismounting |
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