CN115057393B - Lifting device with protection function for transformer substation maintenance - Google Patents
Lifting device with protection function for transformer substation maintenance Download PDFInfo
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- CN115057393B CN115057393B CN202210785251.XA CN202210785251A CN115057393B CN 115057393 B CN115057393 B CN 115057393B CN 202210785251 A CN202210785251 A CN 202210785251A CN 115057393 B CN115057393 B CN 115057393B
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- rod
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- 230000004224 protection Effects 0.000 title claims abstract description 50
- 238000012423 maintenance Methods 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 230000002441 reversible effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Handcart (AREA)
- Trip Switchboards (AREA)
Abstract
The invention relates to the technical field of transformer substation maintenance tools and discloses a lifting device with a protection function for transformer substation maintenance. This elevating gear is used in transformer substation maintenance with protect function carries out spacingly through setting up protection machanism through setting up the top and the bottom of spacing regulating plate to effectively avoided appearing the phenomenon of quick decline because of mechanical failure when the maintenance, avoided the emergence of security incident, in addition, under the effect through the rubber pad, can reduce the injury to maintainer when unexpected electric shock appears when the maintenance, improved the security of the device.
Description
Technical Field
The invention relates to the technical field of transformer substation maintenance tools, in particular to a lifting device with a protection function for transformer substation maintenance.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing the electric energy in the electric power system; the transformer substation in the power plant is a boosting transformer substation and is used for boosting the electric energy generated by the generator and feeding the boosted electric energy into a high-voltage power grid; the inspection of the transformer substation is to inspect whether the appearance of the equipment is abnormal or not by periodically inspecting the equipment by a person on duty, such as whether the color is changed, whether sundries are present or not, whether the instrument indication is normal or not, whether the sound of the equipment is normal or not, whether the abnormal smell is present or not, whether the temperature of the equipment which is allowed to be contacted is normal or not, and measuring the change of the operation parameters of the electrical equipment in operation, etc. so as to judge whether the operation condition of the equipment is normal or not; in the long-term operation process of the transformer substation, various problems often occur in the transformer substation, the problems need to be overhauled in time, maintenance points at higher positions often need to be maintained during overhauling, and lifting devices often need to be used for maintenance, so that maintenance staff can maintain the maintenance points more conveniently;
when maintaining the maintenance point, need use elevating gear, current elevating gear for the transformer substation maintenance does not have protective structure, and mechanical failure appears easily when using, and the maintenance personal risk that drops to cause certain casualties, in addition, current elevating gear is if set up the gyro wheel, then appears the phenomenon of rocking easily when using, and stability is poor, if not set up the gyro wheel, inconvenient transport it when using, consequently, how to set up a structure that has the gyro wheel and be difficult for taking place to rock is also important.
Disclosure of Invention
The invention aims to provide a lifting device with a protection function for maintaining a transformer substation, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a elevating gear is used in transformer substation maintenance with protect function, includes the base, base top fixedly connected with protection machanism, base top fixedly connected with adjustment mechanism, adjustment mechanism top fixedly connected with regulating plate, two curb plates of regulating plate top fixedly connected with, two curb plate rear side fixedly connected with same piece guard plate, the base bottom is provided with prevents shaking the mechanism.
The protection mechanism comprises a protection rod, the protection rod is fixedly connected to the top of a base, a first spring is fixedly connected to the right side of a regulating plate, a round block is fixedly connected to the right side of the first spring, a rotary block is movably connected to the right side of the round block through a bearing, a movable ring is movably connected to the outer surface of the rotary block through the bearing, a limiting rod is fixedly connected to the left side of the movable ring, a limiting hole is formed in the right side of the regulating plate, a limiting strip is fixedly connected to the left side of the movable ring, a through groove is formed in the top of the limiting strip in a left side of the regulating plate, and a clamping block is fixedly connected to the left side of the through groove.
Preferably, two protection rods are arranged, clamping grooves are formed in opposite faces of the two protection rods, a storage hole is formed in the bottom of the side plate, the top end of each protection rod is located in the storage hole, and the protection rods play a role in protecting maintenance workers under the action of the side plate and the protection plate.
Preferably, the movable groove is arranged on the right side of the side plate, the left side of the limiting bar is positioned in the movable groove, the top end of the protection bar sequentially penetrates through the limiting bar and the adjusting plate and extends into the storage hole, and the storage hole stores the protection bar.
Preferably, the rubber pad is fixedly connected with the top of the adjusting plate, the clamping grooves are densely distributed on the outer surface of the protection rod at equal intervals, the fixing rod is fixedly connected with the right side of the rotating block, the handle is fixedly connected with the right end of the fixing rod, and the handle conveniently pulls the fixing rod to move.
Preferably, the anti-shaking mechanism comprises a storage groove, wherein the storage groove is formed in the bottom of the base, limiting grooves are formed in the left side and the right side of the storage groove, limiting blocks are connected to the inner sides of the limiting grooves in a sliding mode, two limiting blocks are fixedly connected with the same supporting rod in opposite faces, universal wheels are fixedly connected to the bottom ends of the supporting rods, a cavity is formed in the base, a second spring is fixedly connected to the right side of the cavity, and a limiting ring is fixedly connected to the left end of the second spring.
Preferably, the left side fixedly connected with movable rod in the spacing ring, the second spring cup joints at the movable rod surface, the movable rod left end runs through in the cavity left side and extends to outside the base, the breach has been seted up in the stopper left side, the movable rod right-hand member runs through in the cavity right side and extends into in the breach, and movable rod and breach are spacing to the supporting shoe.
Preferably, the regulating plate bottom fixedly connected with ejector pin, the ejector pin bottom runs through in the movable groove top, the bracing piece top is seted up flutedly, the ejector pin bottom is located the recess inboard, base bottom fixedly connected with supporting leg can promote the universal wheel to suitable position through the ejector pin when the regulating plate descends to can promote the device.
Preferably, the adjusting mechanism comprises a motor, the motor is fixedly connected to the top of the base, an output shaft is mounted on the motor, the motor is fixedly connected with a threaded rod through the output shaft, the right end of the threaded rod is movably connected with a fixing block through a bearing, and the fixing block is fixedly connected to the top of the base.
Preferably, the left end and the right end of the threaded rod are provided with reverse threads, the outer surface of the threaded rod is in threaded connection with two moving blocks, the top of the moving block is movably connected with a support through a pin shaft, the support is movably connected to the bottom of the adjusting plate through the pin shaft, and the reverse threads are arranged to facilitate the two moving blocks to move in opposite directions when the threaded rod rotates.
Preferably, the spout has been seted up at the base top, spout inboard sliding connection has the slider, slider fixed connection is in the movable block bottom, regulating plate bottom fixedly connected with casing, the casing overlap joint is at the base top, and the casing supports the regulating plate to reduce the pressure to other parts.
Compared with the prior art, the invention has the beneficial effects that:
1. this elevating gear is used in transformer substation maintenance with protect function, through setting up protection machanism, in the use, after adjusting to suitable height through adjustment mechanism, through handle pulling both sides dead lever, stop when the fixture block that leads to the inslot side enters into corresponding draw-in groove, then rotate 90 degrees with the expansion ring through handle and dead lever, loosen the handle, make both sides gag lever post opposite face and regulating plate left and right sides closely laminate under the effect of first spring, two spacing are spacing it from regulating plate bottom and top, protection machanism carries out spacingly through setting up spacing to the top and the bottom of regulating plate, thereby effectively avoided appearing the phenomenon of quick decline because of mechanical failure when the maintenance, avoid the emergence of security incident, in addition, can reduce the injury to maintainer when unexpected electric shock appears in the maintenance under the effect of rubber pad, the security of the device has been improved.
2. This elevating gear is used in transformer substation maintenance with protect function, through setting up and preventing shaking the mechanism, in the use, when not using the device, the regulating plate moves down and drives the ejector pin and move down, pulling movable rod to both sides this moment, can promote the device and upwards move under ejector pin and bracing piece and universal wheel's effect, the supporting leg leaves the ground this moment, loosen movable rod and make it get into the breach again under the effect of second spring in, can promote the device, prevent shaking the mechanism through can not appear the phenomenon of rocking when using, can promote it when not using, increased the functionality of the device, the security of the device has further been improved.
3. This elevating gear is used in transformer substation maintenance with protect function, through setting up adjustment mechanism, in the use, when need highly adjusting the regulating plate, the starter motor, the motor passes through the output shaft and drives the threaded rod and rotate, the threaded rod rotates and drives two movable blocks and remove to both sides, two movable blocks remove to both sides, promote the regulating plate upward movement through the support, until the maintenance personal in the regulating plate reaches the suitable position, thereby accomplish the regulation to the regulating plate height, the casing supports the regulating plate when not, the atress degree of other parts in the adjustment mechanism has been alleviateed, thereby the device's life has been increased.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a front portion of the overall structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
fig. 5 is an enlarged view of the structure of fig. 2 at C according to the present invention.
In the figure: 1. a base; 2. a protective mechanism; 201. a clamping groove; 202. a receiving hole; 203. a rubber pad; 204. a movable ring; 205. a fixed rod; 206. a handle; 207. a protection rod; 208. a limit bar; 209. a limit rod; 210. a rotating block; 211. round blocks; 212. a first spring; 213. a limiting hole; 214. a movable groove; 215. a through groove; 216. a clamping block; 3. an adjusting mechanism; 301. a motor; 302. a housing; 303. a chute; 304. a slide block; 305. a moving block; 306. a bracket; 307. a threaded rod; 308. a fixed block; 4. an anti-shake mechanism; 401. a movable rod; 402. a universal wheel; 403. a push rod; 404. a limiting block; 405. a support rod; 406. a groove; 407. a second spring; 408. a storage groove; 409. a limit groove; 410. a cavity; 411. a limiting ring; 5. a protection plate; 6. a side plate; 7. and an adjusting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that:
example 1
Referring to fig. 1-4, a lifting device with protection function for transformer substation maintenance comprises a base 1, wherein a protection mechanism 2 is fixedly connected to the top of the base 1, an adjusting mechanism 3 is fixedly connected to the top of the base 1, an adjusting plate 7 is fixedly connected to the top of the adjusting mechanism 3, two side plates 6 are fixedly connected to the top of the adjusting plate 7, the same protection plate 5 is fixedly connected to the rear sides of the two side plates 6, and an anti-shaking mechanism 4 is arranged at the bottom of the base 1.
The protection mechanism 2 comprises a protection rod 207, the protection rod 207 is fixedly connected to the top of the base 1, a first spring 212 is fixedly connected to the right side of the adjusting plate 7, a round block 211 is fixedly connected to the right end of the first spring 212, a rotary block 210 is movably connected to the right side of the round block 211 through a bearing, a movable ring 204 is movably connected to the outer surface of the rotary block 210 through the bearing, a limiting rod 209 is fixedly connected to the left side of the movable ring 204, a limiting hole 213 is formed in the right side of the adjusting plate 7, a limiting strip 208 is fixedly connected to the left side of the movable ring 204, a through groove 215 is formed in the top of the limiting strip 208 near the left side, a clamping block 216 is fixedly connected to the left side in the through groove 215, and a rubber pad 203 is fixedly connected to the top of the adjusting plate 7.
Further, the draw-in groove 201 has all been seted up to protection lever 207 two, storage hole 202 has all been seted up to two protection lever 207 opposite surfaces, the protection lever 207 top is located storage hole 202, protection lever 207 is provided with two, clamping groove 201 has all been seted up to two protection lever 207 opposite surfaces, storage hole 202 has been seted up to curb plate 6 bottom, protection lever 207 top is located storage hole 202, draw-in groove 201 equidistant intensive distribution is in protection lever 207 surface, rotatory piece 210 right side fixedly connected with dead lever 205, dead lever 205 right-hand member fixedly connected with handle 206, after adjusting to suitable height through adjustment mechanism 3, stop when going into corresponding draw-in groove 201 through handle 206 pulling both sides dead lever 205, then rotate 90 degrees with expansion ring 204 through handle 206 and dead lever 205, loosen handle 206, make both sides spacing pole opposite surfaces and adjusting plate 7 left and right sides closely, two spacing 208 are spacing from adjusting plate 7 bottom and top to it, protection mechanism 2 is through setting up spacing plate 7 and the bottom, and when the safety device is carried out the safety device is down in the safety and the safety to the safety of the maintenance, the safety device is avoided in addition, the unexpected and the safety is reduced when the safety is reduced in the appearance of the safety and the safety device is down through setting up the bottom of the adjusting plate 7.
Example two
Referring to fig. 1-2 and fig. 5, the anti-shake mechanism 4 further includes a receiving groove 408, the receiving groove 408 is formed at the bottom of the base 1, limiting grooves 409 are formed on the left side and the right side in the receiving groove 408, limiting blocks 404 are slidably connected to the inner sides of the limiting grooves 409, the opposite sides of the two limiting blocks 404 are fixedly connected with a supporting rod 405, the bottom end of the supporting rod 405 is fixedly connected with a universal wheel 402, a cavity 410 is formed in the base 1, a second spring 407 is fixedly connected to the right side in the cavity 410, a limiting ring 411 is fixedly connected to the left end of the second spring 407, a movable rod 401 is fixedly connected to the left side in the limiting ring 411, a push rod 403 is fixedly connected to the bottom of the adjusting plate 7, when the device is not in use, the adjusting plate 7 moves downwards to drive the push rod 403 to move downwards, the movable rod 401 is pulled upwards to the two sides at this moment under the action of the push rod 403 and the supporting rod 405 and the universal wheel 402, the supporting leg is separated from the ground, the movable rod 401 is released to enter the notch again under the action of the second spring 407, and the device can be pushed to a proper position when the device is not in use.
Further, the bottom end of the ejector rod 403 penetrates through the top of the movable groove 214, the top end of the supporting rod 405 is provided with a groove 406, the bottom end of the ejector rod 403 is located inside the groove 406, the bottom of the base 1 is fixedly connected with a supporting leg, the second spring 407 is sleeved on the outer surface of the movable rod 401, the left end of the movable rod 401 penetrates through the left side of the cavity 410 and extends out of the base 1, the left side of the limiting block 404 is provided with a notch, the right end of the movable rod 401 penetrates through the right side of the cavity 410 and extends into the notch, when the opposite ends of the movable rods 401 on two sides are located in the corresponding notch, the notch and the movable rod 401 limit the supporting block through the limiting block 404, the device can be pushed under the action of the universal wheel 402, when the device is used, the supporting rod 405 loses the support from the ejector rod 403, the movable rods 401 on two sides are pulled to leave the corresponding notch, the universal wheel 402 moves upwards under the action of gravity, the effect of the supporting leg can be enabled to have good stability, the shaking phenomenon of preventing mechanism 4 from shaking during use can be avoided, the device can be pushed when the device is not used, the safety is further improved, and the safety of the device is further improved.
Example III
Referring to fig. 1-5, the adjusting mechanism 3 further includes a motor 301, the motor 301 is fixedly connected to the top of the base 1, an output shaft is installed on the motor 301, the motor 301 is fixedly connected with a threaded rod 307 through the output shaft, the right end of the threaded rod 307 is movably connected with a fixed block 308 through a bearing, the fixed block 308 is fixedly connected to the top of the base 1, left and right ends of the threaded rod 307 are set to be reverse threads, two moving blocks 305 are connected to the outer surface threads of the threaded rod 307, the top of the moving blocks 305 is movably connected with a bracket 306 through a pin shaft, the bracket 306 is movably connected to the bottom of the adjusting plate 7 through a pin shaft, a sliding groove 303 is formed in the top of the base 1, the inner side of the sliding groove 303 is slidably connected with a sliding block 304, the sliding block 304 is fixedly connected to the bottom of the moving block 305, a casing 302 is fixedly connected to the bottom of the adjusting plate 7, the casing 302 is lapped on the top of the base 1, when the height of the adjusting plate 7 is required to be adjusted, the motor 301 is started, the motor 301 is driven by the output shaft to rotate the threaded rod 307 to drive the two moving blocks 305 to move to two moving blocks to two sides, the two moving blocks 305 are pushed by the bracket 306 to move the adjusting plate 7 upwards, and the adjusting plate 7 to the position in the adjusting plate 7 is pushed by the bracket 306, and the right can not reach the proper position of the adjusting plate 7, and the height of the adjusting plate is adjusted by the adjusting plate 7, and the other devices can not reach the proper height, and the adjusting device is adjusted, and the height is adjusted, and the device is used to be adjusted, and the height, and the device is accordingly, and the device is used to be well.
In the actual operation process, when the device is used and the height of the adjusting plate 7 needs to be adjusted, the motor 301 is started, the motor 301 drives the threaded rod 307 to rotate through the output shaft, the threaded rod 307 rotates to drive the two moving blocks 305 to move to two sides, the two moving blocks 305 move to two sides, the adjusting plate 7 is pushed to move upwards through the bracket 306 until maintenance personnel in the adjusting plate 7 reach a proper position, and therefore the height of the adjusting plate 7 is adjusted;
when the adjusting mechanism 3 is adjusted to a proper height, the two side fixing rods 205 are pulled by the handle 206, the two side fixing rods 205 move to the far side to drive the movable ring 204 to move to the far side, the two side movable ring 204 moves to the far side to drive the two side limiting rods 209 and the limiting strips 208 to move to the far side, until the clamping blocks 216 at the inner sides of the through grooves 215 enter the corresponding clamping grooves 201 to stop, at the moment, the left ends of the limiting rods 209 leave the corresponding limiting holes 213, then the movable ring 204 is rotated by 90 degrees by the handle 206 and the fixing rods 205, the handle 206 is released, the opposite surfaces of the two side limiting rods 209 are tightly attached to the left side and the right side of the adjusting plate 7 under the action of the first spring 212, and the two limiting strips 208 limit the limiting rods from the bottom and the top of the adjusting plate 7;
when the opposite ends of the movable rods 401 on two sides are positioned in the corresponding notches, the notches and the movable rods 401 limit the supporting blocks through the limiting blocks 404, the movable rods 401 can be pushed to the two sides under the action of the universal wheels 402, when the device is used, the supporting rods 405 lose support from the supporting rods 403 along with the lifting of the supporting rods 403, the movable rods 401 on two sides are pulled to leave the corresponding notches, the universal wheels 402 can be enabled to move upwards under the action of gravity, the device can be enabled to have good stability under the action of supporting legs, when the device is not used, the adjusting plates 7 move downwards, the supporting rods 403 are driven to move downwards by the downward movement of the adjusting plates 7, the device can be pushed to move upwards under the action of the supporting rods 403, the supporting rods 405 and the universal wheels 402, the supporting legs are released to leave the ground, the movable rods 401 enter the notches again under the action of the second springs 407, and the device can be pushed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (4)
1. Lifting device with protection function for transformer substation maintenance, including base (1), its characterized in that: the anti-shake device comprises a base (1), a protection mechanism (2) is fixedly connected to the top of the base (1), an adjusting mechanism (3) is fixedly connected to the top of the base (1), an adjusting plate (7) is fixedly connected to the top of the adjusting mechanism (3), two side plates (6) are fixedly connected to the top of the adjusting plate (7), the same protection plate (5) is fixedly connected to the rear sides of the two side plates (6), and an anti-shake mechanism (4) is arranged at the bottom of the base (1);
the protection mechanism (2) comprises a protection rod (207), the protection rod (207) is fixedly connected to the top of the base (1), a first spring (212) is fixedly connected to the right side of the adjusting plate (7), a round block (211) is fixedly connected to the right end of the first spring (212), a rotary block (210) is movably connected to the right side of the round block (211) through a bearing, a movable ring (204) is movably connected to the outer surface of the rotary block (210) through the bearing, a limiting rod (209) is fixedly connected to the left side of the movable ring (204), a limiting hole (213) is formed in the right side of the adjusting plate (7), a limiting strip (208) is fixedly connected to the left side of the movable ring (204), a through groove (215) is formed in the top of the limiting strip, and a clamping block (216) is fixedly connected to the left side of the through groove (215);
the right side of the side plate (6) is provided with a movable groove (214), the left side of the limit bar (208) is positioned in the movable groove (214), and the top end of the protection bar (207) sequentially penetrates through the limit bar (208) and the adjusting plate (7) and extends into the accommodating hole (202);
the top of the adjusting plate (7) is fixedly connected with a rubber pad (203), clamping grooves (201) are densely distributed on the outer surface of the protection rod (207) at equal intervals, the right side of the rotating block (210) is fixedly connected with a fixing rod (205), and the right end of the fixing rod (205) is fixedly connected with a handle (206);
the anti-shaking mechanism (4) comprises a storage groove (408), wherein the storage groove (408) is formed in the bottom of the base (1), limit grooves (409) are formed in the left side and the right side of the storage groove (408), limiting blocks (404) are slidably connected to the inner sides of the limit grooves (409), two same supporting rods (405) are fixedly connected to opposite faces of the limiting blocks (404), universal wheels (402) are fixedly connected to the bottom ends of the supporting rods (405), a cavity (410) is formed in the base (1), a second spring (407) is fixedly connected to the right side of the cavity (410), and a limiting ring (411) is fixedly connected to the left end of the second spring (407);
the left side in the limiting ring (411) is fixedly connected with a movable rod (401), the second spring (407) is sleeved on the outer surface of the movable rod (401), the left end of the movable rod (401) penetrates through the left side of the cavity (410) and extends out of the base (1), a notch is formed in the left side of the limiting block (404), and the right end of the movable rod (401) penetrates through the right side of the cavity (410) and extends into the notch;
the bottom of the adjusting plate (7) is fixedly connected with a push rod (403), the bottom end of the push rod (403) penetrates through the top of the movable groove (214), a groove (406) is formed in the top end of the supporting rod (405), the bottom end of the push rod (403) is located at the inner side of the groove (406), and the bottom of the base (1) is fixedly connected with supporting legs;
the adjusting mechanism (3) comprises a motor (301), the motor (301) is fixedly connected to the top of the base (1), an output shaft is arranged on the motor (301), the motor (301) is fixedly connected with a threaded rod (307) through the output shaft, the right end of the threaded rod (307) is movably connected with a fixed block (308) through a bearing, and the fixed block (308) is fixedly connected to the top of the base (1);
when the device is used, when the height of the adjusting plate (7) needs to be adjusted, the motor (301) is started, the motor (301) drives the threaded rod (307) to rotate through the output shaft, the threaded rod (307) rotates to drive the two moving blocks (305) to move to two sides, the two moving blocks (305) move to two sides, the bracket (306) pushes the adjusting plate (7) to move upwards until maintenance personnel in the adjusting plate (7) reach a proper position, and therefore the height of the adjusting plate (7) is adjusted;
when the two-side fixing rods (205) are pulled through the handle (206) to be at proper height after being adjusted through the adjusting mechanism (3), the two-side fixing rods (205) move to the far side to drive the movable ring (204) to move to the far side, the two-side movable ring (204) moves to the far side to drive the two-side limiting rods (209) and the limiting strips (208) to move to the far side until the clamping blocks (216) on the inner sides of the through grooves (215) enter the corresponding clamping grooves (201), at the moment, the left ends of the limiting rods (209) leave the corresponding limiting holes (213), then the movable ring (204) is rotated by 90 degrees through the handle (206) and the fixing rods (205), the handle (206) is loosened, the opposite faces of the two-side limiting rods (209) are tightly attached to the left side and the right side of the adjusting plate (7) under the action of the first spring (212), and the two limiting strips (208) limit the two limiting rods from the bottom and the top of the adjusting plate (7);
when opposite ends of the movable rods (401) on two sides are located in corresponding gaps, the gaps and the movable rods (401) limit the supporting blocks through limiting blocks (404), the movable rods (401) are pulled to move downwards under the action of the universal wheels (402), the movable rods (401) are pulled to move upwards under the action of the supporting rods (403) and the universal wheels (402) as the supporting rods (403) move upwards when the device is used, the supporting rods (405) lose support from the supporting rods (403) and pull the movable rods (401) on two sides to leave the corresponding gaps, the universal wheels (402) move upwards under the action of gravity, when the device is not used, the adjusting plates (7) move downwards, the supporting rods (403) are pulled downwards under the action of the supporting rods (403) and the supporting rods (405) and the universal wheels (402), the supporting legs move upwards under the action of the second springs (407), and the movable rods (401) are released to enter the gaps again to push the device.
2. The lifting device with a protection function for maintaining a transformer substation according to claim 1, wherein: two protection rods (207) are arranged, clamping grooves (201) are formed in opposite faces of the two protection rods (207), the bottom of each side plate (6) is provided with a containing hole (202), and the top ends of the protection rods (207) are located in the containing holes (202).
3. The lifting device with a protection function for maintaining a transformer substation according to claim 2, wherein: the left end and the right end of the threaded rod (307) are provided with reverse threads, two moving blocks (305) are connected with the outer surface threads of the threaded rod (307), the tops of the moving blocks (305) are movably connected with brackets (306) through pin shafts, and the brackets (306) are movably connected to the bottoms of the adjusting plates (7) through pin shafts.
4. A lifting device for maintenance of a transformer substation with a protection function according to claim 3, characterized in that: the base (1) top has seted up spout (303), spout (303) inboard sliding connection has slider (304), slider (304) fixed connection is in movable block (305) bottom, regulating plate (7) bottom fixedly connected with casing (302), casing (302) overlap joint is at base (1) top.
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| CN202210785251.XA CN115057393B (en) | 2022-06-29 | 2022-06-29 | Lifting device with protection function for transformer substation maintenance |
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| CN115057393B true CN115057393B (en) | 2023-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115504398B (en) * | 2022-10-08 | 2024-02-13 | 辽宁艾特斯智能交通技术有限公司 | Lifting device for maintenance of electromechanical equipment |
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| CN115057393A (en) | 2022-09-16 |
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