CN112264958A

CN112264958A - Be applied to lead screw frock that wind-powered electricity generation machine driftage overhauld and maintained

Info

Publication number: CN112264958A
Application number: CN202011154918.3A
Authority: CN
Inventors: 邢李方; 马振涛; 常青松; 谭井文
Original assignee: Huaneng Power International Inc Jilin Baicheng Wind Electricity Branch Co
Current assignee: Huaneng Power International Inc Jilin Baicheng Wind Electricity Branch Co
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-26

Abstract

The invention discloses a lead screw tool applied to wind motor yaw overhaul and maintenance, which comprises a yaw brake disc body, a yaw caliper body and a lead screw tool set, wherein an installation screw hole is formed in the yaw brake disc body, an installation hole is formed in the yaw caliper body, the lead screw tool set comprises a lead screw, a rotating block, a bearing, a push pipe, a handle and a locking protection pad, the lead screw penetrates through the installation hole to be in threaded connection with the installation screw hole, a transmission screw hole is formed in the rotating block and in threaded connection with the lead screw, the bearing is arranged between the rotating block and the push pipe, the push pipe is in sliding sleeve connection with the lead screw, and the handle is arranged on the outer wall surface of the rotating. The convenient maintenance of the friction plate is improved, the labor intensity is reduced, the impact force is small during disassembly, the working process is reliable, stable and efficient, the bolt is accurately and conveniently aligned with the eye during insertion, the massage comfort of workers during handle rotation is improved, the dryness of the palm is ensured, and the water absorption and recycling performance of the water absorption sponge is improved.

Description

Be applied to lead screw frock that wind-powered electricity generation machine driftage overhauld and maintained

Technical Field

The invention belongs to the technical field of wind motor yaw overhauling and maintenance, and particularly relates to a screw rod tool applied to wind motor yaw overhauling and maintenance.

Background

Driftage calliper is the main component part of wind turbine generator system driftage system, need overhaul the maintenance to driftage calliper annually, changes and washs calliper and grinds the hi-hat piece.

In the wind turbine generator yaw system, a large yaw brake disc is arranged, a plurality of yaw calipers are arranged at the lower end of the yaw brake disc, and each yaw caliper is locked and fixed with the lower end face of the yaw brake disc through five bolts.

However, the yaw calipers are inconvenient to disassemble and assemble due to the fact that the yaw calipers are small in size and heavy in weight, a single yaw caliper needs to be disassembled independently to replace a friction plate, and the friction plate between the yaw calipers and a yaw brake disc of the wind turbine generator is inconvenient to maintain due to the fact that the yaw calipers are not easy to hold by hands when being disassembled, labor intensity is high, and the hands of a worker hold the handles to rotate for a long time to sweat, so that the yaw calipers are uncomfortable.

Disclosure of Invention

The invention aims to provide a screw rod tool applied to wind motor yaw overhaul and maintenance, and aims to solve the problems that in the prior art, a friction plate between a yaw caliper body and a yaw brake disc body is inconvenient to maintain, and hands are uncomfortable when a handle is held to rotate to work, and hands feel sweaty.

In order to achieve the purpose, the invention provides the following technical scheme: be applied to lead screw frock that wind-powered electricity generation machine driftage overhauls and maintains, including driftage brake disc body, driftage calliper body and lead screw frock group, be equipped with the installation screw on the driftage brake disc body, be equipped with the mounting hole on the driftage calliper body, lead screw frock group comprises lead screw, turning block, bearing, push pipe, handle, locking protection pad, the lead screw passes mounting hole and installation screw threaded connection, be equipped with the transmission screw on the turning block, transmission screw and lead screw threaded connection, the bearing sets up between turning block and push pipe, the push pipe cup joints with the lead screw slip, locking protection pad sets up in the top of push pipe, the handle sets up on the outer wall of turning block, this novel used structure, except special explanation, all adopts 304 stainless steel to make, and intensity is high, corrosion resistance, easy welding process.

Preferably, the number of the handles is two, and the handles are symmetrically arranged by taking the vertical central axis of the rotating block as a center, so that the handles can be conveniently held by two hands and can be rotated.

Preferably, be equipped with the through-hole on the locking protection pad, the through-hole rotates to cup joint with the lead screw, and locking protection pad is the polyurethane rubber pad, has the high elasticity, and is wear-resisting, corrosion-resistant, and is longe-lived, when it is extruded by driftage calliper body and push pipe, can produce vertical resilience force, and this vertical resilience force plays the locking effect to the internal thread of turning block and lead screw external screw thread on turning block and lead screw.

Preferably, a hollow cavity is arranged in the handle, absorbent cotton is arranged in the hollow cavity, a massage bulge is arranged on the outer wall surface of the handle, sweat absorbing holes are formed in the massage bulge and are round small holes, and the absorbent cotton is common absorbent sponge and can quickly absorb sweat.

Preferably, the outer side end of the hollow cavity is an opening, a plug is inserted into the opening and made of elastic rubber, and the plug is extruded and inserted into the right end opening of the hollow cavity to achieve a sealing effect and be conveniently pulled out.

Preferably, the hollow cavity is communicated with the sweat absorbing hole, so that sweat on the palm of the hand can quickly enter the hollow cavity through the sweat absorbing hole and be absorbed by the absorbent cotton.

Preferably, the cross section of the handle is of a circular structure, so that the handle is convenient to hold by hands and has a comfortable effect.

Preferably, the massage bulges are divided into eight groups, each group is ten in number, the massage bulges are arranged in a circumferential mode by taking the circle center of the lateral circular section of the handle as the center, the massage bulges are silica gel pads, the sections of the massage bulges are in trapezoidal structures and have high elasticity, the massage bulges are extruded with each other when the handle is held by hands, and the extrusion force can be buffered and offset by the high elasticity of the massage bulges, so that the massage bulges are comfortable.

Preferably, the bearing is rotatably sleeved with the screw rod, the top pipe is provided with a sleeve hole, the sleeve hole is slidably sleeved with the screw rod, the bearing is a flat push bearing, the flat bearing is composed of a flat retainer assembly of a steel ball and a flat washer, and the handle is rotated with less labor.

Compared with the prior art, the invention has the beneficial effects that:

through the structure of the lead screw frock group that sets up, realized to convenient maintenance and can fix a position wantonly from driftage brake disc body monolithic driftage calliper body, improved the convenient change to the friction disc between driftage calliper body and the driftage brake disc body, greatly reduced intensity of labour, the impact force is little when dismantling, the reliable stability and efficiency of working process is high, and when this piece driftage calliper body of later stage reinstallation was to the driftage brake disc body on, it is accurate convenient to the eye when the bolt inserted.

Through the bellied handle of massage that has that sets up to set up on every massage arch and inhale sweat hole, set up in the cavity intracavity of handle and absorb water continuously, not only improved the massage travelling comfort when the staff rotates the handle, the sweat that the palm of the hand produced can be through inhaling sweat hole and absorbed by the continuous absorbent absorption that absorbs water in addition, has guaranteed the aridity of palm of the hand, in addition, the chock plug of setting, can be convenient to the continuous convenient change that absorbs water of saturation, improved the usage cycle nature.

Drawings

FIG. 1 is an elevational cross-sectional view of the overall construction of the present invention;

FIG. 2 is a perspective view of the lead screw assembly of the present invention in a state of detaching a single yaw caliper body from a yaw brake disc body;

FIG. 3 is a partially enlarged cross-sectional view of the close squeeze fit of the top end anti-loose protection pad of the jacking pipe and a single yawing caliper body of the present invention;

FIG. 4 is a three-dimensional view of a lead screw tooling set of the present invention;

FIG. 5 is an enlarged view of a single handle at A of FIG. 1 in accordance with the present invention;

fig. 6 is a side distribution view of the massage protrusions of the present invention.

In the figure: the device comprises a yaw brake disc body 1, an installation screw hole 11, a yaw caliper body 2, an installation hole 21, a lead screw tool set 3, a lead screw 31, a rotating block 32, a transmission screw hole 321, a bearing 33, a top pipe 34, a sleeve hole 341, a handle 4, a hollow cavity 41, a water absorbent sponge 42, a massage bulge 43, a sweat absorbing hole 431, a plug head 44, a locking protection pad 5 and a through hole 51.

Detailed Description

Please refer to fig. 1, 2, and 4, a lead screw tool applied to wind turbine yaw overhaul and maintenance includes a yaw brake disc body 1, a yaw caliper body 2, and a lead screw tool set 3, wherein the yaw brake disc body 1 is provided with an installation screw hole 11, the yaw caliper body 2 is provided with an installation hole 21, and the yaw brake disc body 1 and the yaw caliper body 2 are common component structures on a wind turbine.

Referring to fig. 1, 2, 3 and 4, the screw rod tooling set 3 is composed of a screw rod 31, a rotating block 32, a bearing 33, a top pipe 34, a handle 4 and an anti-loosening protection pad 5, wherein the screw rod 31 passes through the mounting hole 21 and is in threaded connection with the mounting screw hole 11, the rotating block 32 is provided with a transmission screw hole 321, the transmission screw hole 321 is in threaded connection with the screw rod 31, the bearing 33 is arranged between the rotating block 32 and the top pipe 34, the top pipe 34 is in sliding sleeve connection with the screw rod 31, the bearing 33 is in rotating sleeve connection with the screw rod 31, the bearing 33 is a flat push bearing, the top pipe 34 is provided with a sleeve hole 341, the sleeve hole 341 is in sliding sleeve connection with the screw rod 31, and the bearing 33 can achieve a.

Please refer to fig. 1, fig. 2, and fig. 3, the anti-loose protection pad 5 is adhered to the top end of the jacking pipe 34 by resin adhesive, the anti-loose protection pad 5 is provided with a through hole 51, the through hole 51 is rotatably sleeved with the screw rod 31, the anti-loose protection pad 5 has high elasticity, when being extruded by the yawing caliper body 2 and the jacking pipe 34, the anti-loose protection pad can generate vertical resilience, the vertical resilience is applied to the rotating block 32 and the screw rod 31, so as to achieve the anti-loose effect of the internal thread of the rotating block 32 and the external thread of the screw rod 31, in addition, the anti-loose protection pad 5 with elasticity can avoid the direct collision contact of the yawing caliper body 2 and the jacking pipe 34 made of metal material, thereby avoiding the abrasion.

Referring to fig. 1 and 4, the handles 4 are welded to the outer wall surface of the rotating block 32, and the number of the handles 4 is two and the handles are symmetrically arranged with the vertical central axis of the rotating block 32 as the center.

Referring to fig. 1, 5 and 6, a hollow cavity 41 is formed in the handle 4, the cross section of the handle 4 is a circular structure, absorbent cotton 42 is formed in the hollow cavity 41, massage protrusions 43 are bonded to the outer wall surface of the handle 4, the massage protrusions 43 are divided into eight groups, the number of each group is ten, the massage protrusions are arranged circumferentially with the center of the lateral circular cross section of the handle 4 as the center, sweat absorbing holes 431 are formed in the massage protrusions 43, the hollow cavity 41 is communicated with the sweat absorbing holes 431, the massage protrusions 43 are silica gel pads, the cross section is a trapezoidal structure and have high elasticity, when the handle 4 is held by a hand, the massage protrusions 43 are squeezed with each other, and the high elasticity of the massage protrusions 43 can buffer and offset the squeezing force, so that the.

Referring to fig. 5, the outer end of the hollow cavity 41 is an opening, a plug 44 is inserted into the opening, and the plug 44 is inserted into the right end opening of the hollow cavity 41 by squeezing, so as to achieve a sealing effect and facilitate pulling out.

The working principle of the scheme is as follows: if the single yaw caliper body 2 needs to be overhauled and friction plates need to be replaced, five bolts can be loosened through a hydraulic torque wrench, but the five bolts do not fall off in the installation screw holes 11, then one bolt in the middle is disassembled, then the upper end of the screw rod 31 penetrates through the installation hole 21 in the middle and is locked into the installation screw hole 11 in the middle through clockwise rotating threads, then the handle 4 is held by two hands and rotates clockwise, through the thread transmission of the screw rod 31, the rotating block 32, the bearing 33 and the jacking pipe 34 integrally move upwards, until the anti-loosening protection pad 5 at the upper end of the jacking pipe 34 is pressed and propped against the lower end face of the yaw caliper body 2, at the moment, a certain gap exists between the single yaw caliper body 2 and the yaw brake disc body 1, the yaw caliper body 2 cannot fall down due to the supporting force of the jacking pipe 34, and the rotating block 32 rotates forwards and backwards, can realize that the push pipe 34 reciprocates, and then realize a position of driftage calliper body 2 arbitrary positioning, realized the convenient maintenance from driftage brake disc body 1 to monolithic driftage calliper body 2, greatly reduced intensity of labour, the impact force is little during the dismantlement, the reliable stable efficiency of working process is high to when later stage is installed this piece of driftage calliper body 2 again to driftage brake disc body 1, it is accurate convenient to the eye when the bolt inserts.

The handle 4 is held by both hands for a long time to rotate, the massage comfort of workers when the handle 4 is rotated can be greatly improved due to the high elasticity of the massage bulges 43, and sweat generated by the palm of the hand can pass through the sweat absorbing holes 431 and be absorbed by the water absorbing cotton 42, so that the dryness of the palm of the hand is ensured;

in addition, the plug head 44 is pulled out rightwards, the saturated absorbent cotton 42 is taken out, then the absorbent cotton 42 is replaced by new absorbent cotton, and finally the plug head 44 is plugged, so that the using circulation of the absorbent cotton 42 is improved.

Claims

1. Be applied to lead screw frock that wind-powered electricity generation machine driftage overhauls maintenance, including driftage brake disc body (1), driftage calliper body (2) and lead screw frock group (3), its characterized in that: be equipped with installation screw (11) on driftage brake disc body (1), be equipped with mounting hole (21) on driftage calliper body (2), lead screw frock group (3) are by lead screw (31), turning block (32), bearing (33), push pipe (34), handle (4), locking protection pad (5) are constituteed, mounting hole (21) and installation screw (11) threaded connection are passed in lead screw (31), be equipped with transmission screw (321) on turning block (32), transmission screw (321) and lead screw (31) threaded connection, bearing (33) set up between turning block (32) and push pipe (34), push pipe (34) and lead screw (31) slip cup joint, locking protection pad (5) set up in the top of push pipe (34), handle (4) set up on the outer wall of turning block (32).

2. The lead screw frock applied to wind turbine yaw overhaul and maintenance of claim 1, characterized in that: the bearing (33) is rotatably sleeved with the screw rod (31), the top pipe (34) is provided with a trepan boring (341), and the trepan boring (341) is slidably sleeved with the screw rod (31).

3. The lead screw frock applied to wind turbine yaw overhaul and maintenance of claim 1, characterized in that: the number of the handles (4) is two, and the handles are symmetrically arranged by taking the vertical central axis of the rotating block (32) as a center.

4. The lead screw frock applied to wind turbine yaw overhaul and maintenance of claim 1, characterized in that: the anti-loosening protective pad (5) is provided with a through hole (51), and the through hole (51) is rotatably sleeved with the screw rod (31).

5. The lead screw frock applied to wind turbine yaw overhaul and maintenance of claim 1, characterized in that: the improved sweat-absorbing handle is characterized in that a hollow cavity (41) is arranged in the handle (4), water-absorbing cotton (42) is arranged in the hollow cavity (41), a massaging protrusion (43) is arranged on the outer wall surface of the handle (4), and a sweat-absorbing hole (431) is formed in the massaging protrusion (43).

6. The lead screw frock applied to wind-driven generator yaw overhauls and maintains of claim 5, characterized in that: the outer side end of the hollow cavity (41) is an opening, and a plug head (44) is inserted into the opening.

7. The lead screw frock applied to wind-driven generator yaw overhauls and maintains of claim 5, characterized in that: the hollow cavity (41) is communicated with the sweat absorbing hole (431).

8. The lead screw frock applied to wind-driven generator yaw overhauls and maintains of claim 5, characterized in that: the cross section of the handle (4) is of a circular structure.

9. The lead screw frock applied to wind-driven generator yaw overhauls and maintains of claim 5, characterized in that: the massage bulges (43) are divided into eight groups, each group is ten in number, and the massage bulges are arranged in a circle by taking the circle center of the lateral circular section of the handle (4) as the center.

10. The lead screw frock applied to wind turbine yaw overhaul and maintenance of claim 1, characterized in that: the bearing (33) is a horizontal pushing bearing.