CN206230223U - Provision for disengagement for dismantling stop pin - Google Patents

Provision for disengagement for dismantling stop pin Download PDF

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Publication number
CN206230223U
CN206230223U CN201621349919.2U CN201621349919U CN206230223U CN 206230223 U CN206230223 U CN 206230223U CN 201621349919 U CN201621349919 U CN 201621349919U CN 206230223 U CN206230223 U CN 206230223U
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China
Prior art keywords
pin
disengagement
provision
stop pin
drive division
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CN201621349919.2U
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Chinese (zh)
Inventor
刘桂然
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Priority to CN201621349919.2U priority Critical patent/CN206230223U/en
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Abstract

The utility model is related to a kind of provision for disengagement for dismantling stop pin, chosen portion including support, drive division and pin, drive division includes relative first end and the second end, first end and support support connection, and the second end and pin are chosen portion's drive connection;The pin portion of choosing includes connection member, and connection member can be engaged with stop pin;Drive division can drive pin choose axial movement of the portion along stop pin;Also, drive division is uniformly distributed for two or more and around connection member.The provision for disengagement that the utility model embodiment is provided, rapidly can extract stop pin, stop pin dismounting cycle is short, time saving and energy saving.

Description

Provision for disengagement for dismantling stop pin
Technical field
The utility model is related to frock appurtenance technical field, more particularly to a kind of dismounting for dismantling stop pin Device.
Background technology
Wind power generating set is a kind of large-scale TRT that electric energy is converted wind energy into by wheel rotation, install, Debugging, in maintenance process, in order to ensure the safety of operating personnel and unit equipment, it is necessary to which impeller is locked, with prevent because Impeller rotates under wind-force effect and brings dangerous to operating personnel or cause device damage, and impeller locking generally uses stop pin Form.Impeller is locked by rotor lock rationed marketing.Rotor lock rationed marketing uses hydraulic lock rationed marketing.Passed through using rotor lock rationed marketing Lock pin holes on the dead axle support of wind-driven generator, are inserted on the dead axle support linked together with wheel hub, make impeller with Dead axle support links together.
However, in part storage, lifting and running, rotor lock rationed marketing is susceptible to corrosion.After corrosion, pin-and-hole and There is clamping stagnation in bearing pin, it is impossible to complete impeller locking work.Accordingly, it would be desirable to rotor lock rationed marketing is removed and is made processing of rust removing, But rotor lock rationed marketing is very small with pin-and-hole fit clearance on stator, once there is corrosion, it is difficult to will result in dismounting, removes week Phase is long, expends a large amount of manpower and materials.
Utility model content
The utility model embodiment provides a kind of provision for disengagement for dismantling stop pin, rapidly can pull out stop pin Go out, stop pin dismounting cycle is short is time saving and energy saving.
Regarding to the issue above, on the one hand a kind of dismounting for dismantling stop pin is proposed according to the utility model embodiment Device, including:Support, drive division and pin are chosen portion, and drive division includes relative first end and the second end, first end Portion and support support connection, the second end and pin are chosen portion's drive connection;The pin portion of choosing includes connection member, connection member energy It is enough to be engaged with stop pin;Drive division can drive pin choose axial movement of the portion along stop pin;Also, drive division be two or Two or more and it is uniformly distributed around connection member.
According to the one side of the utility model embodiment, drive division is extensible member, the stretching motion energy of extensible member Enough drive pins are chosen axial movement of the portion along stop pin.
According to the one side of the utility model embodiment, extensible member is hydraulic cylinder.
According to the one side of the utility model embodiment, provision for disengagement also includes pressure regulator valve, and pressure regulator valve connects with hydraulic cylinder It is logical.
According to the one side of the utility model embodiment, provision for disengagement also include pressure distributor, pressure distributor with Two or more hydraulic cylinders are connected so that the pressure of each hydraulic cylinder keeps identical.
According to the one side of the utility model embodiment, support is annular slab, first end and the annular of drive division The end face of plate is engaged.
Two or more through holes, two are provided with according to the one side of the utility model embodiment, on annular slab Or two or more through hole is uniformly distributed along the circumference of annular slab.
According to the one side of the utility model embodiment, the pin portion of choosing also includes location-plate, the second end of drive division With location-plate drive connection, connection member is arranged on the central area of location-plate.
According to the one side of the utility model embodiment, connection member includes lock piece, and lock piece can be with stop pin Locking coordinates.
According to the one side of the utility model embodiment, lock piece is threadedly coupled with stop pin.
According to the provision for disengagement that the utility model embodiment is provided, it includes support, drive division and sells portion of choosing.Tear open Handler is by support location and installation on stator.Between drive division is arranged on support and pin is chosen portion.Sell portion's energy of choosing It is enough to be connected with rotor lock rationed marketing.Drive division can drive pin choose portion with to rotor lock rationed marketing apply axial force so that will turn Sub- stop pin is extracted from pin-and-hole.The provision for disengagement of the present embodiment can rapidly remove rotor lock rationed marketing, remove operating efficiency Height, has saved a large amount of manpower and materials.
Brief description of the drawings
Feature, advantage and the technique effect of the utility model exemplary embodiment described below with reference to the accompanying drawings.
Fig. 1 is the structural representation of the rotor lock rationed marketing of the utility model embodiment.
Fig. 2 is the cross section structure diagram of the rotor lock rationed marketing of the utility model embodiment.
Fig. 3 is the structural representation of the provision for disengagement of the utility model embodiment.
Fig. 4 is the positive structure diagram of the provision for disengagement of the utility model embodiment.
Fig. 5 is the overlooking the structure diagram of the provision for disengagement of the utility model embodiment.
Fig. 6 is the cross section structure diagram of the lock piece of the utility model embodiment.
Fig. 7 is the structural representation of the provision for disengagement for being provided with hydraulic system of the utility model embodiment.
Fig. 8 is the provision for disengagement use state schematic diagram of the utility model embodiment.
Fig. 9 is that rotor lock rationed marketing is extracted view by the provision for disengagement of the utility model embodiment.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Description of symbols:
1st, rotor lock rationed marketing;
2nd, provision for disengagement;
21st, support;211st, through hole;
22nd, drive division;
23rd, portion of choosing is sold;231st, connection member;231a, pull bar;231b, lock piece;232nd, location-plate;
24th, hydraulic system;241st, hydraulic power unit;242nd, pressure regulator valve;243rd, pressure distributor;
3rd, stator.
Specific embodiment
Implementation method of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples The detailed description and the accompanying drawings be used to exemplarily illustrate principle of the present utility model, but can not be used for limiting model of the present utility model Enclose, i.e., the utility model is not limited to described embodiment.
When needing to the impeller lifting of wind-driven generator or regular maintenance, locking is needed to use between impeller and stator 3 Pin is locked, and prevents impeller from rotating, convenient to carry out related work, eliminates the potential safety hazard of the course of work.The present embodiment Stop pin be rotor lock rationed marketing 1 (as shown in Figure 1).As shown in Figure 1 and Figure 2, the structure of the rotor lock rationed marketing 1 of the present embodiment is Including bearing pin 11, piston rod 12, blind flange 13, locking nut 14, piston hole 15 and block 16.Piston rod 12 is arranged on piston In hole 15, block 16 is arranged at the opening of piston hole 15, forms spacing to the stroke of piston rod 12.Locking nut 14 and piston rod 12 free end threaded connection.
As shown in figure 3, provision for disengagement of the present utility model 2 includes support 21, drive division 22 and sells portion 23 of choosing.Tear open Handler 2 is by the location and installation of support 21 on stator 3.Between drive division 22 is arranged on support 21 and pin is chosen portion 23. Selling portion 23 of choosing can be connected with rotor lock rationed marketing 1.Drive division 22 can drive pin portion 23 of choosing applied with to rotor lock rationed marketing 1 Plus axial force, so as to rotor lock rationed marketing 1 be extracted from pin-and-hole.The provision for disengagement 2 of the present embodiment can rapidly remove rotor Stop pin 1, removes high working efficiency, has saved a large amount of manpower and materials.
As shown in figure 3, the support 21 of the present embodiment is annular slab.The smallest radial size of the endoporus that annular slab is formed is big In the maximum radial dimension of pin-and-hole on stator 3, so as to annular slab is installed to when on stator 3, will not occur with rotor lock rationed marketing 1 Interference, it is ensured that rotor lock rationed marketing 1 is smoothly extracted from pin-and-hole.Two or more through holes 211 are provided with annular slab.It is preferred that The position of the mounting hole on ground, through hole 211 on annular slab and the blind flange 13 of rotor lock rationed marketing 1 as shown in Figure 2 and quantity Correspond.When rotor lock rationed marketing 1 is dismantled, it is necessary to first remove blind flange 13 and locking nut 14, then annular slab is placed In on stator 3, meanwhile, the through hole 211 on annular slab can be corresponded with the screwed hole on stator 3, can by being screwed into screw With by annular slab location and installation to stator 3.So, after annular slab is installed on stator 3, ensure that the axis of annular slab Axis with rotor lock rationed marketing 1 overlaps, and positioning is quick, accurate, short the time required to annular slab installation process.The annular of the present embodiment Plate is circle but it is also possible to be equilateral polygons more than rectangle, equilateral triangle or five sides.
As shown in Figure 3, Figure 4, the drive division 22 of the present embodiment is extensible member.Extensible member includes relative first end And the second end.First end is connected with the end face of annular slab, and the second end and pin portion 23 of choosing are connected.Extensible member energy It is enough to be moved along the axial stretching of itself.The stretching motion of extensible member can drive pin choose portion 23 along annular slab axially adjacent to Or away from annular slab movement.The drive division 22 of the present embodiment includes two or more extensible members.Two or more Extensible member is arranged circumferentially along annular slab, the drive that portion 23 applies so that two or more extensible members are chosen to pin Power is more balanced, and axial force that portion 23 is applied in rotor lock rationed marketing 1 is put down with the axis of rotor lock rationed marketing 1 to be conducive to pin to choose OK, and then ensure that and successfully extract rotor lock rationed marketing 1, without stuck situation.Preferably, the present embodiment is stretched The quantity of contracting part is four.
The extensible member of the present embodiment is hydraulic cylinder.Hydraulic cylinder output driving power is larger and drives process steady.Such as Fig. 7 institutes Show, the provision for disengagement of the present embodiment also includes hydraulic system 24.Hydraulic system 24 can be to hydraulic cylinder supply pressure liquid.Hydraulic pressure system System 24 includes hydraulic power unit 241, pressure regulator valve 242, pressure distributor 243 and fluid pressure line.Hydraulic power unit 241 is hydraulic system 24 Pressure fluid is provided, pressure fluid is delivered to pressure distributor 243 by fluid pressure line.Pressure fluid is by energy after pressure distributor 243 Enough it is transported in different hydraulic cylinders, such as when the quantity of hydraulic cylinder is four, pressure distributor 243 is designed with eight Into and out of hydraulic fluid port, be respectively four imports and four outlet, these inlet and outlets respectively with four upper and lower cavitys of hydraulic cylinder Connection, each hydraulic cylinder realizes that pressure is in parallel by pressure distributor 243, it is therefore an objective to make four cylinder forces identical, with right Rotor lock rationed marketing 1 applies axial force in a balanced way, it is to avoid rotor occur because the axis of axial force and rotor lock rationed marketing 1 is not parallel There is the situation of clamping stagnation in the withdrawal process of stop pin 1 with pin-and-hole.Hydraulic system 24 realizes the pressure to hydraulic cylinder by pressure regulator valve 242 Power is adjusted, and is easy to scene according to the stuck degree of rotor lock rationed marketing 1, regulating system pressure, to meet the application under different operating modes.
As shown in figure 3, the pin of the present embodiment is chosen, portion 23 includes connection member 231 and location-plate 232.Connection member 231 Can be connected with the locking of rotor lock rationed marketing 1, so that pin is chosen, portion 23 applies axial direction by connection member 231 to rotor lock rationed marketing 1 Power.The connection member 231 of the present embodiment includes pull bar 231a and lock piece 231b.One end of pull bar 231a is connected to location-plate On 232 central area, the other end is connected with lock piece 231b.The middle section of the location-plate 232 of the present embodiment is provided with Centre bore, one end of pull bar 231a passes through centre bore.When the centre bore of location-plate 232 is the hole of smooth inner wall, pull bar 231a The part for passing centre bore screws top nut or other fixtures are fixed.When the centre bore of location-plate 232 is screwed hole, pull bar One end of 231a is screwed in the screwed hole, it is also possible to which the part for passing centre bore in pull bar 231a screws top nut or other are solid Determine part to fix, further increase the bonding strength between pull bar 231a and location-plate 232.
Can be connected through a screw thread between the pull bar 231a and lock piece 231b of the present embodiment, be welded to connect pin connection, Preferably, as shown in fig. 6, being provided with screwed hole 98 on lock piece 231b, the spiral shell of screwed hole 98 of pull bar 231a and lock piece 231b Line is connected, so as to realize being detachably connected between pull bar 231a and lock piece 231b, it is convenient at the construction field (site) to pull bar 231a and Lock piece 231b is assembled, and is also convenient for that pull bar 231a or lock piece 231b are transported, changed or repaired.
The lock piece 231b of the present embodiment is threadedly coupled with the thread segment on the piston rod 12 of rotor lock rationed marketing 1.Work as piston When thread segment on bar 12 is external screw thread, hole is threaded on lock piece 231b.When the thread segment on piston rod 12 is screwed hole When, stud is set on lock piece 231b.Between lock piece 231b and rotor lock rationed marketing 1 by the way of being threadedly coupled, Neng Goushi Now quick connection, lifts the versatility of provision for disengagement 2, also improves the efficiency of work of pulling pin.As shown in fig. 6, the present embodiment Screwed hole 99 is provided with lock piece 231b, with the existing structure with the piston rod 12 of the rotor lock rationed marketing 1 shown in the present embodiment Direct locking coordinates, it is not necessary to carries out structural modification to existing rotor lock rationed marketing 1, can realize lock piece 231b and piston rod Quickly connected between 12.
The location-plate 232 of the present embodiment includes two or more free ends.Each free end and annular slab it Between be provided with a hydraulic cylinder.As shown in Fig. 3, Fig. 5, when the provision for disengagement 2 of the present embodiment sets four hydraulic cylinders, this implementation The location-plate 232 of example is cross, is positioned such that plate 232 on the premise of support transmission is met, and deadweight is relatively light, mitigates whole The weight of individual provision for disengagement 2, facilitates carrying and installation.Criss-cross location-plate 232 includes four free ends, a free end One end with a hydraulic cylinder is connected, and four hydraulic cylinders are distributed relative to the Central Symmetry of criss-cross location-plate 232, it is ensured that Hydraulic cylinder applies driving force in a balanced way to location-plate 232, and then guarantee applies axial force in a balanced way to rotor lock rationed marketing 1 so that The uniform force of rotor lock rationed marketing 1, unbalance loading, is not pulled out successfully from pin-and-hole.The free end of the location-plate 232 of the present embodiment Quantity can according to the quantity of hydraulic cylinder come adaptability increase and decrease.Location-plate of the present utility model 232 can also be that a monoblock is justified Shape plate or square plate.
As shown in Figure 8, Figure 9, the process that rotor lock rationed marketing 1 is extracted using the provision for disengagement 2 of the present embodiment is further described, It is specific as follows:
The locking nut 14 of rotor lock rationed marketing 1 is disassembled first, then by the screw between blind flange 13 and stator 3 Disassemble, blind flange 13 is removed.
Then the annular slab of the provision for disengagement 2 of the present embodiment is placed on stator 3 and causes the through hole 211 on annular slab Screwed hole with stator 3 aligns, and the screw that will be disassembled is threaded into hole again, by annular slab location and installation in stator 3 On.
Start hydraulic system 24, hydraulic cylinder extension is moved to adjust the position of location-plate 232, when lock piece 231b is moved to During the position that can be connected with the piston rod 12 of rotor lock rationed marketing 1, stop hydraulic system 24.By lock piece 231b and piston rod 12 lockings are connected together.
Hydraulic system 24 is again started up, hydraulic cylinder stretches out motion with jacking location-plate 232.Location-plate 232 drives pull bar 231a and lock piece 231b simultaneously applies axial force by piston rod 12 to rotor lock rationed marketing 1 so that when hydraulic cylinder gradually stretches out, turn Sub- stop pin 1 is also gradually extracted pin-and-hole.Until after rotor lock rationed marketing 1 is pulled out completely, stopping hydraulic system 24.
The provision for disengagement 2 of the utility model embodiment, is chosen portion 23 by the circumferential equally distributed drive pin of drive division 22, Ensure the stress equalization in withdrawal process of rotor lock rationed marketing 1, it is to avoid rotor lock rationed marketing 1 rotor occurs because of unbalance stress, unbalance loading The situation that stop pin 1 is damaged.Axial force is applied to rotor lock rationed marketing 1 by using drive division 22, it is not necessary to which extra manpower is just Rotor lock rationed marketing 1 can be extracted, therefore use the mistake of the extraction rotor lock of provision for disengagement 2 rationed marketing 1 of the utility model embodiment Journey is time saving and energy saving, reduces labour intensity.The provision for disengagement 2 of the utility model embodiment, can solve the corrosion of rotor lock rationed marketing 1 Under serious conditions, the problem that rotor lock rationed marketing 1 is removed cannot be manually realized, it is to avoid artificial sled dismounting mode of pulling causes generator to determine The situation that sub 3 pin-and-hole end faces are damaged, the structure to generator plays a protective role, and saves construction cost.
The provision for disengagement 2 of the utility model embodiment can be not only used for pulling out rotor lock rationed marketing 1 as described above, Can be used for pulling out other kinds of stop pin.When the provision for disengagement 2 of the present embodiment is used to extract other kinds of stop pin, tear open The locking fit system that the pin of handler 2 is chosen between the lock piece 231b in portion 23 and the connecting portion of other kinds of stop pin can Selected with the structure type of the connecting portion according to stop pin, for example can be threaded connection, claw connection, hasp connection or The hinged mode of person realizes that locking coordinates.
Although being described to the utility model by reference to preferred embodiment, model of the present utility model is not being departed from In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.

Claims (10)

1. a kind of provision for disengagement (2) for dismantling stop pin, including support (21), drive division (22) and pin are chosen portion (23), it is characterised in that:
The drive division (22) includes relative first end and the second end, and the first end is propped up with the support (21) Hold connection, the second end and the pin are chosen portion (23) drive connection;
Pin portion (23) of choosing includes connection member (231), and the connection member (231) can connect with the stop pin Close;
The drive division (22) drives the pin to choose axial movement of the portion (23) along the stop pin;Also,
The drive division (22) is uniformly distributed for two or more and around the connection member (231).
2. provision for disengagement (2) according to claim 1, it is characterised in that the drive division (22) is extensible member, described The stretching motion of extensible member can drive the pin to choose axial movement of the portion (23) along the stop pin.
3. provision for disengagement (2) according to claim 2, it is characterised in that the extensible member is hydraulic cylinder.
4. provision for disengagement (2) according to claim 3, it is characterised in that also including pressure regulator valve (242), the pressure regulator valve (242) connected with the hydraulic cylinder.
5. provision for disengagement (2) according to claim 3, it is characterised in that also including pressure distributor (243), the pressure Power distributor (243) is with hydraulic cylinder connection two or more described so that the pressure holding of each hydraulic cylinder is identical.
6. provision for disengagement (2) according to claim 1, it is characterised in that the support (21) is annular slab, the drive The first end of dynamic portion (22) is engaged with the end face of the annular slab.
7. provision for disengagement (2) according to claim 6, it is characterised in that two or two are provided with the annular slab Above through hole (211), described two or two or more through hole (211) is uniformly distributed along the circumference of the annular slab.
8. provision for disengagement (2) according to any one of claim 1 to 7, it is characterised in that pin portion (23) of choosing also wraps Include location-plate (232), the second end and the location-plate (232) drive connection, the connection member of the drive division (22) (231) it is arranged on the central area of the location-plate (232).
9. provision for disengagement (2) according to claim 8, it is characterised in that the connection member (231) is including lock piece (231b), the lock piece (231b) can coordinate with the stop pin locking.
10. provision for disengagement (2) according to claim 9, it is characterised in that the lock piece (231b) and the stop pin Threaded connection.
CN201621349919.2U 2016-12-09 2016-12-09 Provision for disengagement for dismantling stop pin Active CN206230223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621349919.2U CN206230223U (en) 2016-12-09 2016-12-09 Provision for disengagement for dismantling stop pin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621349919.2U CN206230223U (en) 2016-12-09 2016-12-09 Provision for disengagement for dismantling stop pin

Publications (1)

Publication Number Publication Date
CN206230223U true CN206230223U (en) 2017-06-09

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CN201621349919.2U Active CN206230223U (en) 2016-12-09 2016-12-09 Provision for disengagement for dismantling stop pin

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935462A (en) * 2021-02-05 2021-06-11 安徽马钢设备检修有限公司 Simple splitting device and method for copper nut of electric screw press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935462A (en) * 2021-02-05 2021-06-11 安徽马钢设备检修有限公司 Simple splitting device and method for copper nut of electric screw press

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