CN111392629A - Wind generating set ring chain electric block assembly - Google Patents
Wind generating set ring chain electric block assembly Download PDFInfo
- Publication number
- CN111392629A CN111392629A CN202010278667.3A CN202010278667A CN111392629A CN 111392629 A CN111392629 A CN 111392629A CN 202010278667 A CN202010278667 A CN 202010278667A CN 111392629 A CN111392629 A CN 111392629A
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- China
- Prior art keywords
- chain
- generating set
- wind generating
- track beam
- pulley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a wind generating set ring chain electric hoist assembly, which comprises: the track beam is fixedly connected with the inner wall of the cabin cover of the wind generating set; the electric chain hoist is connected with the track beam in a sliding manner and moves back and forth along the track beam. According to the scheme, the chain electric hoist is connected with the track beam in a sliding mode, the chain structure is replaced by the electric hoist structure, the operation efficiency is improved, and the hoisting and parking at any position in the cabin of the wind generating set are achieved.
Description
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a wind generating set ring chain electric hoist assembly.
Background
The electric chain hoist is a key component of the wind generating set, belongs to special hoisting equipment and is used for hoisting a maintenance tool through an engine room escape channel when the wind generating set is not powered on after being hoisted on site or hoisting spare parts or maintenance tools for replacement in the operation and maintenance process of the wind generating set.
At present, the structure of the wind generating set endless chain electric block is as shown in the invention patent of the publication number CN 104310263 a, name "a trolley endless chain electric block", the trolley endless chain electric block includes a box body, a motor, a chain wheel, a chain and a transmission mechanism are arranged in the box body, the chain wheel is arranged in the middle of the box body, one side of the chain wheel is provided with the motor, the other side of the chain wheel is provided with a gear box, the top of the box body is also provided with a fixer, the fixer is connected with a monorail trolley, and the monorail trolley is provided with a buffer; the single track dolly that sets up at the top of box is used for electric block's removal, and electric block's buffering degree can be controlled to the buffer, and the hand wheel of connecting on the single track dolly then steerable single track dolly's removal, and the hand zip fastener of wraparound on the hand wheel then can be used for the pulling hand wheel to make single track dolly remove and drive electric block and remove. As mentioned above, the existing chain electric block of the hand trolley has the following defects: firstly, after the monorail trolley is installed, the endless chain electric hoist has an eccentric phenomenon, which may cause unsmooth walking; secondly, the hand-pulled chain is easy to be wound together when being long, which is not beneficial to manually operating the hand-pulled zipper, and the hand-pulled chain is relatively time-consuming and labor-consuming to be pulled manually, so that the efficiency is relatively low; and thirdly, a parking locking mechanism is lacked, and the electric chain hoist is easy to move upwards in the front-rear direction of the track under special conditions of external force or vibration and the like, so that potential safety hazards exist.
Disclosure of Invention
The embodiment of the invention aims to provide a wind generating set ring chain electric hoist assembly, and the scheme has the advantages that the chain-pull structure is replaced by the electric hoist structure through the sliding connection of the ring chain electric hoist and the track beam, so that the operation efficiency is improved, and the hoisting and parking at any position in a cabin of the wind generating set are realized.
In order to solve the above technical problem, an embodiment of the present invention provides a wind turbine generator system endless chain electric hoist assembly, including: a track beam and a chain electric hoist;
the track beam is fixedly connected with the inner wall of the cabin cover of the wind generating set;
and the electric chain hoist is connected with the track beam in a sliding manner and reciprocates along the track beam.
Further, the rail beam includes: the track beam welding device comprises a track beam welding part, a driving lever pulley and a C pulley, wherein the C-shaped guide rail is arranged on two sides of the track beam welding part, and the driving lever pulley and the C pulley reciprocate along the C-shaped guide rail.
Has the advantages that: the track beam is suspended on the inner wall of the cabin cover through a fastener, and the walking requirement of the electric chain hoist can be met.
Furthermore, the whole welding structure of the track beam is U-shaped;
the straight line section welded by the track beam is H-shaped steel;
the arc sections welded on the track beam are formed by welding plates with the same thickness as that of the H-shaped steel in a splicing mode, and the two arc sections are respectively welded with the H-shaped steel after being beveled.
Has the advantages that: the welded rail beam is integrally U-shaped, and the whole area hoisting in the range of the engine room can be realized. The H-shaped steel is welded with the two arc sections, so that the overall strength and rigidity of the welded track beam are guaranteed, the rollers on the electric chain hoist can smoothly walk on the upper surface of the lower flange of the H-shaped steel, and the locking block can be smoothly parked.
Further, the track beam further includes: the anti-collision limiting plate and the anti-collision buffer block;
the anticollision limiting plate is located the upper surface on H shaped steel bottom flange, the anticollision buffer block with anticollision limiting plate fixed connection just set up in the anticollision limiting plate orientation one side of C pulley.
Has the advantages that: the anti-collision limiting plate and the anti-collision buffer block are firmly installed and are not easy to fall off, and the anti-collision limiting plate and the anti-collision buffer block can be used for anti-collision buffering of the chain electric hoist.
Furthermore, two groups of first polyurethane rollers are arranged at the upper end of the deflector rod pulley, and the first polyurethane rollers roll in the C-shaped guide rail;
the middle of the deflector rod pulley is provided with a mounting hole which is connected with the hoist bracket through a fastener;
the lower end of the deflector rod pulley is provided with an arc-shaped first cable supporting plate which is connected with a first butterfly nut through a fastener.
Has the advantages that: the polyurethane idler wheel at the upper end of the deflector rod pulley rolls flexibly, and meanwhile, the C-shaped guide rail has a smooth surface and small friction resistance, so that the pulley can roll and walk in the C-shaped groove conveniently. The mounting hole in the middle of the deflector rod pulley is connected with the ring chain electric block bracket by using a fastener, so that the ring chain electric block can be ensured to walk under the dragging of the first polyurethane roller. The arc-shaped first cable supporting plate at the lower end of the deflector rod pulley is used for clamping the power taking cable of the electric chain hoist, and the power taking cable and the electric chain hoist can be ensured to synchronously walk; meanwhile, the first butterfly nut below the first cable supporting plate can manually adjust the gap size of the cable, and is suitable for power-taking cables of different specifications.
Furthermore, two groups of second polyurethane rollers are arranged at the upper end of the C pulley, and the second polyurethane rollers roll in the C-shaped guide rail to travel;
and the lower end of the C pulley is provided with an arc-shaped second cable supporting plate which is connected with a second butterfly nut through a fastener.
Has the advantages that: the second polyurethane idler wheel at the upper end of the C pulley rolls flexibly, and meanwhile, the C-shaped guide rail is smooth in surface and small in friction resistance, so that the C pulley can roll and walk in the C-shaped guide rail conveniently. The arc-shaped second cable supporting plate at the lower end of the C pulley is used for clamping the power taking cable of the electric chain hoist; meanwhile, the second butterfly nut below the second cable supporting plate can manually adjust the gap size of the cable, and is suitable for power-taking cables of different specifications.
Further, the electric chain hoist includes: calabash bracket, walking support frame, parking locking mechanism, push-and-pull rod assembly, chain guide pipe mount, chain guide pipe locking piece, calabash motor, ring chain, lifting hook, the calabash bracket respectively with walking support frame with driving lever pulley fixed connection, walking support frame respectively with the calabash bracket with parking locking mechanism fixed connection, chain guide pipe mount respectively with parking locking structure chain guide pipe with chain guide pipe locking piece fixed connection, ring chain one end with the lifting hook is connected, the ring chain other end sets up the stopper and places in collection chain case.
Has the advantages that: the electric chain hoist is simple in overall structure, convenient to assemble, easy and simple to handle, convenient to maintain, can walk in the fore-and-aft direction on the track roof beam to can carry out manual parking in optional position, and parking efficiency is higher, and parking reliability is very high, satisfies lifting by crane of optional position in the cabin within range.
Furthermore, the gourd bracket is formed by welding rectangular steel pipes and is integrally shaped like L.
Has the advantages that: the gourd bracket is formed by welding rectangular steel pipes, so that the strength and the rigidity of the gourd bracket can be ensured; the hoist bracket is connected with the walking support frame by using a fastener, so that the connection reliability can be ensured; the hoist bracket and the deflector rod pulley are also connected by fasteners, so that the connection stability can be ensured. When the push-pull rod assembly is manually pushed to enable the electric chain hoist to move along the front-back direction of the track beam, the hoist bracket can drive the shift rod pulley and the hoist power-taking cable to move synchronously.
Furthermore, a third two polyurethane rollers are symmetrically arranged at the upper end of the walking support frame, roller shafts are arranged on the wall board in a penetrating manner, and the tail ends of the rollers are fixed by locking nuts; and/or
The lower end of the walking support frame is provided with a sleeve and a lifting ring plate bracket, a hanging beam is used for being penetrated and installed on the wallboard, and the tail end of the hanging beam is fixed by a 1-type hexagonal slotted nut and a split pin.
Has the advantages that: the third polyurethane roller is flexible to roll and has small friction resistance, so that the electric chain hoist can walk easily; the roller shaft and the locking nut are fixed in a fixing mode, so that the mounting is convenient, the locking effect is good, and the third polyurethane roller can be prevented from falling off in the walking process. The sleeve and the lifting ring plate bracket are of welded structures, so that the strength and the rigidity are high, and the bearing requirement is met; the fixed mode that the hanging beam adds 1 type hexagonal slotted nut and split pin is simple to operate, has guaranteed the stability of connection moreover to can guarantee the third polyurethane gyro wheel of both sides and be coaxial, thereby make the light walking of endless chain electric block.
Furthermore, the parking locking mechanism comprises a rubber buffer pad, a lifting ring plate, a lower shaft sleeve, a pin shaft, a spring, an upper shaft sleeve, a locking block and a rubber block, and the rubber buffer pad, the lifting ring plate, the lower shaft sleeve, the spring, the upper shaft sleeve, the locking block and the rubber block are connected through the pin shaft;
the lifting ring plate is integrally in a T shape, the lower end of the lifting ring plate is connected with the electric chain hoist through a fastener, and grooves are formed in two sides of the upper end of the lifting ring plate and used for placing a lower shaft sleeve and penetrating a pin shaft;
a shoulder is arranged in the middle of the pin shaft, the lower surface of the shoulder is connected with the upper surface of the lifting ring plate, and a spring is arranged between the shoulder and the locking block;
the groove at the upper end of the locking block is internally provided with a rubber block, and the locking block can move upwards under the action of the extension of the spring, so that the rubber block is propped against the lower surface of the track beam.
Has the advantages that: the parking locking mechanism is simple in structure, simple and convenient to install, convenient to operate, high in reliability, convenient to maintain subsequently and low in manufacturing cost.
Furthermore, the push-pull rod assembly comprises a pressure plate, a lever, an operating rod, a lever shaft, an elastic collar for the shaft, a lock nut and the like;
the pressure plate and the lever are of a welding structure;
a mounting round hole is formed in the middle of the lever and used for penetrating the lever shaft;
one end of the lever shaft is limited by the elastic retainer ring for the shaft, and the other end of the lever shaft is fixed by the locking nut;
the tail end of the lever is provided with a threaded hole;
the operating rod is a step shaft, the top end of the operating rod is provided with external threads, and the operating rod is screwed in a threaded hole at the tail end of the lever.
Has the advantages that: the pressing plate and the lever are of a welding structure, so that the connection strength of the pressing plate and the lever can be ensured. The connection part of the operating rod and the lever is connected by a thread pair, so that the connection stability and the operation reliability can be ensured. The lever adopts the mounting mode of the lever shaft, the elastic retainer ring for the shaft and the lock nut, so that the mounting reliability is ensured, the operation is simple and convenient, the labor is saved, and the reliability is higher.
Further, the whole chain guide pipe mount that includes: the connecting plate, the supporting plate, the operating rod limiting block and the chain guide pipe mounting plate are arranged on the operating rod limiting block;
the connecting plate is connected with the lifting ring plate through a fastener;
a first round hole is formed in the support frame and used for penetrating and installing a lever shaft;
the operating rod limiting block is arranged on the supporting frame, a second round hole is formed in the middle of the operating rod limiting block, and the second round hole is used for penetrating and installing an operating rod;
the chain guide tube mounting plate is provided with four groups of third round holes, and the four groups of third round holes are connected with the chain guide tube locking blocks.
Has the advantages that: the guide chain pipe fixing frame is of an integral welding structure, and the integral strength of the guide chain pipe fixing frame can be guaranteed. The operating rod limiting block is welded on the supporting frame, and normal operation of the push-pull rod assembly can be guaranteed.
Furthermore, the chain guide tube locking block comprises two crescent locking blocks, and the two crescent locking blocks are respectively connected with the chain guide tube fixing frame.
Has the advantages that: the chain guide pipe locking block is fixedly connected with the chain guide pipe fixing frame, the chain guide pipe is effectively fastened, and the installation firmness is guaranteed, so that the chain of the hoist is guaranteed to be folded and unfolded.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
the sliding connection between the electric chain hoist and the track beam is realized through the walking support frame, so that the problem of eccentricity of the electric chain hoist in the middle ring chain in the prior art is solved; the chain-pulling structure is replaced by the electric hoist structure, so that the operation efficiency is improved; through setting up parking locking mechanism, improved the security of system.
Drawings
Fig. 1 is a schematic structural diagram of an electric hoist assembly of a wind generating set endless chain according to an embodiment of the present invention;
FIG. 2 is an enlarged, fragmentary schematic view of a track beam provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a deflector rod pulley according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a C pulley provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a chain electric hoist according to an embodiment of the present invention;
fig. 6 is a partially enlarged schematic view of the electric chain hoist according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a walking support frame according to an embodiment of the present invention;
fig. 8 is a sectional view of a parking lock structure provided in an embodiment of the invention;
FIG. 9 is an enlarged, fragmentary view of the push-pull rod assembly provided by the exemplary embodiment of the present invention;
fig. 10 is a schematic structural view of a chain guide tube fixing frame according to an embodiment of the present invention.
Reference numerals:
1. rail beam, 11, rail beam welding, 111, H-beam, 12, deflector rod pulley, 121, first polyurethane roller, 122, first cable tray, 123, first reinforcing half-round head square neck bolt, 124, first butterfly nut, 13, C pulley, 131, second polyurethane roller, 132, second cable tray, 133, second reinforcing half-round head square neck bolt, 134, second butterfly nut, 14, C-shaped guide rail, 15, anti-collision limit plate, 16, anti-collision buffer block, 2, ring chain electric block, 21, block bracket, 22, walking support frame, 221, third polyurethane roller, 222, roller shaft, 223, lock nut, 224, wallboard, 225, sleeve, 226, suspension ring plate bracket, 227, suspension beam, 228, type 1 hexagon slotted nut, 229, split pin, 23, parking lock mechanism, 231, rubber buffer, 232, suspension ring plate, 233, lower sleeve, 234, parking lock mechanism, 232, suspension ring plate, 233, lower sleeve, 234, and parking lock mechanism, The chain guide device comprises a pin shaft, 235, a spring, 236, an upper shaft sleeve, 237, a locking block, 238, a rubber block, 24, a push-pull rod assembly, 241, a pressing plate, 242, a lever, 243, an operating rod, 244, a lever shaft, 245, a shaft elastic retainer ring, 246, a locking nut, 25, a chain guide pipe fixing frame, 251, a connecting plate, 252, a supporting plate, 253, an operating rod limiting block, 254, a chain guide pipe mounting plate, 26, a chain guide pipe, 27, a chain guide pipe locking block, 28, a gourd motor, 29, a circular chain, 30 and a lifting hook.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic structural diagram of a wind generating set endless chain electric hoist assembly provided by an embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of a track beam provided by an embodiment of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a wind turbine generator system chain electric hoist assembly, including: a track beam 1 and a chain electric hoist 2. The track beam 1 is fixedly connected with the inner wall of the cabin cover of the wind generating set; the electric chain hoist 2 is connected with the track beam 1 in a sliding mode and moves back and forth along the track beam 1.
In a specific implementation of the embodiment of the invention, the track beam 1 comprises: rail beam seam 11, deflector rod pulley 12 and C pulley 13. C-shaped guide rails 14 are arranged on two welded sides of the track beam, and the deflector rod pulley 12 and the C-shaped pulley 13 move in a reciprocating mode along the C-shaped guide rails 14.
Optionally, the rail beam welding joint 11 is in a U-shaped overall structure; the straight line section of the track beam welding joint 11 is H-shaped steel; the arc sections welded on the track beam are formed by welding plates with the same thickness as that of the H-shaped steel in a splicing mode, and the two arc sections are respectively welded with the H-shaped steel after being beveled.
The track beam 1 further comprises: a collision-proof limit plate 15 and a collision-proof buffer block 16; anticollision limiting plate 15 is located the upper surface on H shaped steel bottom flange, and anticollision buffer block 16 and anticollision limiting plate 15 fixed connection just set up in the spacing 15 board of anticollision one side towards C pulley 13, and the tail end uses lock nut 223 to lock for the buffering of 2 in service of endless chain electric block.
The rail beam welding joint 11 is hung on the inner wall of the cabin cover through a fastener, so that the upper surface level of the lower flange of the H-shaped steel 111 can be ensured, and the mounting and walking requirements of the ring chain electric hoist 2 are met. The rail beam welding joint 11 is integrally U-shaped, and can realize whole-area hoisting in the range of the engine room.
Fig. 3 is a schematic structural diagram of a deflector rod pulley according to an embodiment of the present invention.
Referring to fig. 3, two sets of first polyurethane rollers 121 are disposed at the upper end of the deflector rod pulley 12, the first polyurethane rollers 121 roll and travel in the C-shaped guide rail 14, an arc-shaped first cable supporting plate 122 is disposed at the lower end of the deflector rod pulley 12, and the middle portion of the deflector rod pulley is clamped with the power cable of the ring chain electric hoist 2 and fastened by a first reinforcing half-head square-neck bolt 123 and a first butterfly nut 124. The deflector rod pulley 12 and the gourd bracket 21 are connected by a fastener.
Fig. 4 is a schematic structural diagram of a C pulley provided in an embodiment of the present invention.
As shown in fig. 4, two sets of first polyurethane rollers 131 are disposed at the upper end of the C pulley 13, the first polyurethane rollers 131 roll and travel in the C-shaped guide rail 14, an arc-shaped second cable supporting plate 132 is disposed at the lower end of the C pulley 13, and the middle portion clamps the electric cable taken by the loop chain electric block 2, and the electric cable is mounted by using a second reinforcing half-round-head square-neck bolt 133 and a second butterfly nut 134. The number of C pulleys 13 can be determined according to actual requirements.
When the electric chain hoist 2 travels, the hoist bracket 21 is rigidly connected to the deflector rod pulley 12 by a fastener, so that the deflector rod pulley 12 is driven to travel, and the C pulley 13 and the clamped power-taking cable are driven to travel synchronously.
Fig. 5 is a schematic structural diagram of a chain electric hoist according to an embodiment of the present invention.
Fig. 6 is a partially enlarged schematic view of the electric chain hoist according to the embodiment of the present invention.
Referring to fig. 1, 5 and 6, in a specific implementation manner of the embodiment of the present invention, a chain hoist 2 is slidably connected to a track beam 1, and the chain hoist 2 includes: the device comprises a hoist bracket 21, a walking support frame 22, a parking locking mechanism 23, a push-pull rod assembly 24, a chain guide pipe fixing frame 25, a chain guide pipe 26, a chain guide pipe locking block 27, a hoist motor 28, a circular chain 29 and a lifting hook 30. The hoist bracket 21 is respectively fixedly connected with the walking support frame 22 and the deflector rod pulley 12, the walking support frame 22 is respectively fixedly connected with the hoist bracket 21 and the parking locking mechanism 23, the chain guide tube fixing frame 25 is respectively fixedly connected with the parking locking mechanism 23, the chain guide tube 26 and the chain guide tube locking block 27, one end of the circular chain 29 is connected with the lifting hook 30, and the other end of the circular chain 29 is provided with a limiting block and is placed in the chain collection box. The chain electric hoist 2 has simple integral structure, convenient assembly, simple and convenient operation and convenient maintenance.
The hoist bracket 21 is connected with the walking support frame 22 and the deflector rod pulley 12 through fasteners respectively, and when the hoist bracket 21 walks forwards and backwards on the track beam welding joint 11, the deflector rod pulley 12 can be driven to synchronously walk.
Fig. 7 is a schematic structural view of a walking support frame provided in the embodiment of the present invention.
Referring to fig. 7, the center of gravity of the walking support frame 22 coincides with the center of gravity of the electric chain hoist 2, so that the electric chain hoist 2 can walk smoothly. The traveling support frame 22 comprises a third polyurethane roller 221, a roller shaft 222, a locking nut 223, a wall plate 224, a sleeve 225, a suspension ring plate bracket 226, a hanging beam 227, a 1-shaped hexagonal slotted nut 228 and a split pin 229, wherein two groups of the third polyurethane rollers 221 are symmetrically arranged on the third polyurethane rollers 221, and the third polyurethane rollers 221 travel front and back on the upper surface of the lower flange of the H-shaped steel 111 welded on the track beam 11. The traveling support frame 22 is connected to the parking lock mechanism 23 by a pin 234.
Fig. 8 is a sectional view of a parking lock structure provided in an embodiment of the present invention.
Referring to fig. 8, the parking lock mechanism 23 is an assembly structure, and includes a rubber cushion 231, a suspension ring plate 232, a lower bushing 233, a pin 234, a spring 235, an upper bushing 236, a locking block 237, a rubber block 238, and the like, and the other parts are inserted together by using the pin 234.
Fig. 9 is a partially enlarged schematic view of a push-pull rod assembly according to an embodiment of the present invention.
Referring to fig. 9, the push-pull rod assembly 24 includes a pressing plate 241, a lever 242, an operating rod 243, a lever shaft 244, a shaft circlip 245, a lock nut 246, and the like, wherein the pressing plate 241 and the lever 242 are welded together, the lever shaft 244 passes through the middle of the lever 242, and two ends of the lever shaft 244 are fixed by the shaft circlip 245 and the lock nut 246, respectively, so as to ensure the reliability of the installation of the lever shaft 244. The end of the lever 242 is provided with a threaded hole, and the top end of the operating rod 243 is provided with an external thread, so that the connection reliability and operation convenience can be guaranteed by screwing the external thread between the external thread and the operating rod.
Fig. 10 is a schematic structural view of a chain guide tube fixing frame according to an embodiment of the present invention.
Referring to fig. 10, the chain guide fixing frame 25 includes a connecting plate 251, a supporting plate 252, an operating lever stopper 253, a chain guide mounting plate 254, and the like, wherein the connecting plate 251 and the suspension ring plate 232 are connected by a fastening member; the support frame 252 is provided with a lever shaft 244 in a penetrating manner, and an operating lever stopper 253 for penetrating the operating lever 243 is welded on the support frame.
The chain guide pipe 26 is positioned right below a chain outlet of the hoist motor 28, so that the chain of the electric chain hoist 2 can be conveniently folded and unfolded. Meanwhile, the chain guide pipe 26 is fastened by using two crescent chain guide pipe locking blocks 27, and the connection stability is ensured.
In a non-working state, the locking block 237 and the rubber block 238 in the parking locking mechanism 23 of the electric chain hoist 2 extend upwards under the action of the spring 235, so that the upper surface of the rubber block 238 is tightly abutted against the lower surface of the H-shaped steel 111 in the welding joint 11 of the track beam, the friction force between the rubber block 238 and the H-shaped steel is increased, and the parking locking function is achieved.
When the electric chain hoist 2 needs to walk, the operating rod 243 is held by a hand to move upwards, the pressing plate 241 moves downwards under the action of the lever 242, the locking block 237 is driven to compress the spring 235 to move downwards, so that the rubber block 238 is separated from the H-shaped steel 111 in the track beam welding joint 11, the electric chain hoist 2 is in a non-parking state at the moment, then the chain guide pipe 26 is held by a hand to apply force in the front-back direction, and the electric chain hoist 2 can walk on the track beam 1 in the front-back direction.
When the circular chain 29 and the hook 30 of the electric chain hoist 2 reach the hanging point, the chain guide pipe 26 is loosened, the hand-held operating rod 243 is pulled downwards, at the same time, the pressing plate 241 moves upwards under the action of the movement of the lever 242 and the extension of the spring 235, the locking block 237 is driven to move upwards, and therefore the rubber block 238 and the H-shaped steel 111 in the track beam welding joint 11 are tightly abutted, and the parking locking effect is achieved. The electric chain hoist 2 can be manually parked at any position, the parking efficiency is high, and the reliability is very high, so that the hoisting at any position in the range of the engine room is met.
The embodiment of the invention aims to protect a wind generating set ring chain electric hoist assembly, which has the following effects:
the sliding connection between the electric chain hoist and the track beam is realized through the walking support frame, so that the problem of eccentricity of the electric chain hoist in the middle ring chain in the prior art is solved; the chain-pulling structure is replaced by the electric hoist structure, so that the operation efficiency is improved; through setting up parking locking mechanism, improved the security of system.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (13)
1. The utility model provides a wind generating set chain electric block assembly which characterized in that includes: a track beam and a chain electric hoist;
the track beam is fixedly connected with the inner wall of the cabin cover of the wind generating set;
and the electric chain hoist is connected with the track beam in a sliding manner and reciprocates along the track beam.
2. The wind generating set electric chain hoist assembly of claim 1,
the track beam includes: the track beam welding device comprises a track beam welding part, a driving lever pulley and a C pulley, wherein the C-shaped guide rail is arranged on two sides of the track beam welding part, and the driving lever pulley and the C pulley reciprocate along the C-shaped guide rail.
3. The wind generating set electric chain hoist assembly of claim 2,
the integral welding structure of the track beam is U-shaped;
the straight line section welded by the track beam is H-shaped steel;
the arc sections welded on the track beam are formed by welding plates with the same thickness as that of the H-shaped steel in a splicing mode, and the two arc sections are respectively welded with the H-shaped steel after being beveled.
4. The wind generating set electric chain hoist assembly of claim 3, wherein the track beam further comprises: the anti-collision limiting plate and the anti-collision buffer block;
the anticollision limiting plate is located the upper surface on H shaped steel bottom flange, the anticollision buffer block with anticollision limiting plate fixed connection just set up in the anticollision limiting plate orientation one side of C pulley.
5. The wind generating set electric chain hoist assembly of claim 2,
two groups of first polyurethane rollers are arranged at the upper end of the deflector rod pulley, and the first polyurethane rollers roll in the C-shaped guide rail to travel; the middle of the deflector rod pulley is provided with a mounting hole which is connected with the hoist bracket through a fastener;
the lower end of the deflector rod pulley is provided with an arc-shaped first cable supporting plate which is connected with a first butterfly nut through a fastener.
6. The wind generating set electric chain hoist assembly of claim 2,
two groups of second polyurethane rollers are arranged at the upper end of the C pulley and roll in the C-shaped guide rail;
and the lower end of the C pulley is provided with an arc-shaped second cable supporting plate which is connected with a second butterfly nut through a fastener.
7. The wind generating set electric chain hoist assembly of claim 1,
the electric chain hoist comprises: calabash bracket, walking support frame, parking locking mechanism, push-and-pull rod assembly, chain guide pipe mount, chain guide pipe locking piece, calabash motor, ring chain, lifting hook, the calabash bracket respectively with walking support frame with driving lever pulley fixed connection, walking support frame respectively with the calabash bracket with parking locking mechanism fixed connection, chain guide pipe mount respectively with parking locking structure chain guide pipe with chain guide pipe locking piece fixed connection, ring chain one end with the lifting hook is connected, the ring chain other end sets up the stopper and places in collection chain case.
8. The wind generating set electric chain hoist assembly of claim 7,
the gourd bracket is formed by welding rectangular steel pipes and is integrally shaped like L.
9. The wind generating set electric chain hoist assembly of claim 7,
the upper end of the walking support frame is symmetrically provided with a third two polyurethane rollers, roller shafts are arranged on the wall board in a penetrating manner, and the tail ends of the roller shafts are fixed by locking nuts; and/or
The lower end of the walking support frame is provided with a sleeve and a lifting ring plate bracket, a hanging beam is used for being penetrated and installed on the wallboard, and the tail end of the hanging beam is fixed by a 1-type hexagonal slotted nut and a split pin.
10. The wind generating set electric chain hoist assembly of claim 7,
the parking locking mechanism comprises a rubber buffer pad, a lifting ring plate, a lower shaft sleeve, a pin shaft, a spring, an upper shaft sleeve, a locking block and a rubber block, and the rubber buffer pad, the lifting ring plate, the lower shaft sleeve, the spring, the upper shaft sleeve, the locking block and the rubber block are connected through the pin shaft;
the lifting ring plate is integrally in a T shape, the lower end of the lifting ring plate is connected with the electric chain hoist through a fastener, and grooves are formed in two sides of the upper end of the lifting ring plate and used for placing a lower shaft sleeve and penetrating a pin shaft;
a shoulder is arranged in the middle of the pin shaft, the lower surface of the shoulder is connected with the upper surface of the lifting ring plate, and a spring is arranged between the shoulder and the locking block;
the groove at the upper end of the locking block is internally provided with a rubber block, and the locking block can move upwards under the action of the extension of the spring, so that the rubber block is propped against the lower surface of the track beam.
11. The wind generating set electric chain hoist assembly of claim 7,
the push-pull rod assembly comprises a pressing plate, a lever, an operating rod, a lever shaft, an elastic retainer ring for the shaft, a locking nut and the like;
the pressure plate and the lever are of a welding structure;
a mounting round hole is formed in the middle of the lever and used for penetrating the lever shaft;
one end of the lever shaft is limited by the elastic retainer ring for the shaft, and the other end of the lever shaft is fixed by the locking nut;
the tail end of the lever is provided with a threaded hole;
the operating rod is a step shaft, the top end of the operating rod is provided with external threads, and the operating rod is screwed in a threaded hole at the tail end of the lever.
12. The wind generating set electric chain hoist assembly of claim 7,
the guide chain pipe fixing frame integrally comprises: the connecting plate, the supporting plate, the operating rod limiting block and the chain guide pipe mounting plate are arranged on the operating rod limiting block;
the connecting plate is connected with the lifting ring plate through a fastener;
a first round hole is formed in the support frame and used for penetrating and installing a lever shaft;
the operating rod limiting block is arranged on the supporting frame, a second round hole is formed in the middle of the operating rod limiting block, and the second round hole is used for penetrating and installing an operating rod;
the chain guide tube mounting plate is provided with four groups of third round holes, and the four groups of third round holes are connected with the chain guide tube locking blocks.
13. The wind generating set electric chain hoist assembly of claim 7,
the guide chain pipe locking block comprises two crescent locking blocks, and the two crescent locking blocks are respectively connected with the guide chain pipe fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278667.3A CN111392629A (en) | 2020-04-10 | 2020-04-10 | Wind generating set ring chain electric block assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278667.3A CN111392629A (en) | 2020-04-10 | 2020-04-10 | Wind generating set ring chain electric block assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111392629A true CN111392629A (en) | 2020-07-10 |
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ID=71425156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010278667.3A Pending CN111392629A (en) | 2020-04-10 | 2020-04-10 | Wind generating set ring chain electric block assembly |
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| Country | Link |
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| CN (1) | CN111392629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573368A (en) * | 2020-12-23 | 2021-03-30 | 浙江双鸟机械有限公司 | Special small-turning four-wheel double-trolley combined type ring chain electric hoist for wind power |
-
2020
- 2020-04-10 CN CN202010278667.3A patent/CN111392629A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573368A (en) * | 2020-12-23 | 2021-03-30 | 浙江双鸟机械有限公司 | Special small-turning four-wheel double-trolley combined type ring chain electric hoist for wind power |
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