CN110842870B - Platform for replacing operation of silicon gel of converter transformer respirator - Google Patents
Platform for replacing operation of silicon gel of converter transformer respirator Download PDFInfo
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- CN110842870B CN110842870B CN201911128927.2A CN201911128927A CN110842870B CN 110842870 B CN110842870 B CN 110842870B CN 201911128927 A CN201911128927 A CN 201911128927A CN 110842870 B CN110842870 B CN 110842870B
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- respirator
- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides a platform for replacing silicon gel of a converter transformer respirator, which comprises a moving platform, a clamping mechanism used for clamping the respirator, a lifting mechanism used for driving the clamping mechanism to lift, and a rotating mechanism used for driving the clamping mechanism to rotate around a first axis, wherein the first axis is vertical to the central axis of the respirator. The platform for silica gel replacement operation of the converter transformer respirator can realize that one person can smoothly complete the whole silica gel replacement process, greatly saves manpower and improves the silica gel replacement efficiency.
Description
Technical Field
The invention relates to the technical field of converter transformer respirator silica gel replacement auxiliary tools, in particular to a platform for converter transformer respirator silica gel replacement operation.
Background
The respirator is one of the main components of the converter transformer, the allochroic silica gel in the respirator can adsorb and dry moisture in the air entering the transformer conservator capsule due to the change of the transformer oil temperature, the insulation strength of the transformer oil is ensured, the allochroic silica gel can absorb moisture and change color in the long-term operation process of the converter transformer of the extra-high voltage converter station, and when the color change of the silica gel in the respirator exceeds 2/3, the silica gel needs to be replaced so as to ensure the moisture absorption effect of the silica gel.
Converter transformer's respirator is mostly the columnar body, its upper portion is connected with the respirator connecting pipe, the middle part is provided with the glass cover that holds silica gel, the lower part is provided with the oil cup that is used for holding transformer oil, be connected between respirator and the respirator connecting pipe, be connected between respirator and the oil cup and all adopt metal sheet and bolted connection, when dismantling or installing large-scale respirator, in order to avoid the respirator to fall on ground or take place to tumble, often need three at least people to mutually support, two people lift the respirator, another person dismantles or installs the respirator, this kind of mode, not only waste time and energy, and the waste of labour's resource has been caused.
The invention patent with application number 201710785525.4 discloses a movable platform for replacing silica gel of a transformer respirator, which realizes the lifting and horizontal movement of a fixing mechanism through a scissor-fork type lifting mechanism and a horizontal moving mechanism, so that the clamping and supporting of the respirator can be realized, the respirator does not need to be lifted in the process of disassembly or assembly, and the labor is saved.
However, after the respirator is detached from the moving platform, the respirator needs to be detached from the moving platform, the respirator is manually lifted to dump out the silica gel in the respirator, new silica gel is loaded, the respirator with the replaced silica gel is installed on the moving platform, and then the respirator is installed on a connecting pipe of the respirator, so that although manual lifting in the process of detaching the respirator from the connecting pipe is saved, manual lifting in the process of replacing the silica gel is increased, and the whole replacement process of the silica gel always needs to be completed by cooperation of multiple persons due to the fact that the whole respirator is heavy, and is time-consuming and labor-consuming; in addition, the respirator is easy to collide and damage due to misoperation in the process of manually pouring the silica gel; in addition, the device has a complex structure, adopts a plurality of groups of driving devices, and increases the use cost.
Disclosure of Invention
The invention aims to provide a platform for replacing silicon gel of a converter transformer respirator, which can realize that one person can smoothly complete the whole silicon gel replacement process, greatly save manpower and improve the silicon gel replacement efficiency.
The embodiment of the invention is realized by the following steps: the utility model provides a platform is used in change of converter transformer respirator silica gel change operation, includes moving platform for the fixture of centre gripping respirator to and be used for driving the elevating system that fixture goes up and down, still include the rotary mechanism that is used for driving fixture around the rotation of first axis, the axis vertical distribution of first axis and respirator.
Further, the lifting mechanism comprises lifting plates which are vertically distributed and a linear driving device which is used for driving the lifting plates to lift along the vertical direction; the clamping mechanism comprises a supporting plate and a clamping device which is fixed on the supporting plate and used for clamping the respirator; the rotating mechanism comprises a rotating shaft perpendicular to the supporting plate, and the supporting plate is rotatably connected with the lifting plate through the rotating shaft.
Furthermore, the rotating shaft is fixedly connected with the supporting plate and is rotatably connected with the lifting plate.
Furthermore, the rotating mechanism is also provided with a limiting mechanism, and the limiting mechanism comprises a limiting shaft sleeve, a limiting bolt and a pre-pressing spring; the limiting shaft sleeve is fixed on the lifting plate, and the rotating shaft penetrates through the limiting shaft sleeve; a through groove is formed in the rotating shaft, the depth direction of the through groove is distributed along the radial direction of the rotating shaft, the length direction of the through groove is distributed along the axial direction of the rotating shaft, and a plurality of clamping grooves used for clamping limiting bolts are formed in the end part, far away from the supporting plate, of the limiting shaft sleeve; the rotation axis is located to the pre-compaction spring housing, and the rotation axis is kept away from the one end threaded connection of backup pad and is had a gland nut, and pre-compaction spring butt is between spacing bolt and gland nut.
Furthermore, a limiting screw hole is formed in the end part, far away from the rotating shaft of the supporting plate, and the limiting screw hole is communicated with the through groove; a butt joint surface is arranged on the surface of the limiting bolt in the through groove, a limiting screw extends into the limiting screw hole and butts against the butt joint surface, and the limiting screw is in threaded connection with the limiting screw hole.
Furthermore, clamping device includes the first staple bolt that is used for centre gripping respirator one end and the second staple bolt that is used for the centre gripping respirator other end, and first staple bolt is fixed in backup pad one end, and the second staple bolt is fixed in the backup pad other end.
Furthermore, one end of the supporting plate is provided with a first waist-shaped groove, the other end of the supporting plate is provided with a second waist-shaped groove, the first hoop is connected with the first waist-shaped groove in a sliding mode, and the second hoop is connected with the second waist-shaped groove in a sliding mode.
Furthermore, the lifting mechanism also comprises a plurality of vertically distributed supporting guide rails, and a plurality of sliding blocks are fixedly arranged on one side of the lifting plate away from the supporting plate; a supporting guide rail is connected with a plurality of sliding blocks in a sliding way.
Further, the linear driving device comprises a lead screw, the lead screw comprises a screw rod parallel to the supporting guide rail, a nut block in threaded connection with the screw rod, and a rotary driving device for driving the screw rod to rotate; a working platform is fixedly arranged above the moving platform, a cross rod is fixedly arranged above the working platform, a screw rod seat is fixed on the cross rod, one end of a screw rod is rotatably connected with the screw rod seat, and the other end of the screw rod is arranged on the working platform.
Furthermore, the rotation driving device comprises a driving rod vertical to the screw rod, a driving hand wheel arranged at one end of the driving rod and a steering gear arranged at the other end of the driving rod; the steering gear is fixedly arranged on the working platform and comprises a first rotating shaft and a second rotating shaft which are vertically distributed; the driving rod is fixed on the first rotating shaft, and one end of the screw rod, which is far away from the screw rod seat, is fixed on the second rotating shaft.
The invention has the beneficial effects that:
when the platform for silica gel replacement operation of the converter transformer respirator is used, the movable platform is driven to the respirator, the clamping mechanism is moved to a proper position and clamps the respirator by adjusting the movable platform and the lifting mechanism, so that manual lifting is not needed in the process of disassembling the respirator, the lifting mechanism descends after the disassembly is completed, the movable platform is driven to a blank space, the rotating mechanism is started, the whole clamping mechanism clamping the respirator rotates around the first axis, the opening of the respirator rotates from top to bottom, silica gel in the respirator is poured out, the opening of the respirator rotates from bottom to top, new silica gel is added into the respirator, and finally the respirator is moved to the position below a connecting pipe of the respirator and lifted to a proper position to complete installation. Above-mentioned respirator silica gel replacement process need not the manual work and lifts the respirator, need not to pull down the respirator from fixture, also need not the manual work and emptys the respirator, great manpower of having saved for can accomplish whole silica gel replacement process alone, whole silica gel replacement process obviously becomes simple high-efficient moreover, has still avoided the respirator to tumble the damage problem of colliding with that probably exists at the manual work simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a platform for silica gel replacement operation of a converter transformer respirator according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another view angle of a platform for silica gel replacement operation of a converter transformer respirator according to an embodiment of the invention;
fig. 3 is a schematic structural view of a rotating mechanism according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic structural diagram of a spacing shaft sleeve according to an embodiment of the invention;
FIG. 6 is a schematic structural view of a rotary shaft according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a clamping mechanism according to an embodiment of the invention.
Icon:
11-moving platform, 12-pushing handle, 13-self-locking roller, 14-working platform, 15-tool box, 16-shell, 21-driving hand wheel, 22-driving rod, 221-supporting seat, 23-steering gear, 24-screw rod, 241-cross rod, 242-screw seat, 25-nut block, 26-supporting guide rail, 27-sliding block, 28-lifting plate, 30-rotating mechanism, 31-rotating shaft, 311-through groove, 312-limiting screw hole, 32-first flange, 33-limiting shaft sleeve, 331-clamping groove, 332-second flange, 34-limiting bolt, 35-prepressing spring, 36-pressing nut, 37-spring sheath, 38-limiting screw, 41-supporting plate, 42-first waist-shaped groove, 43-a second waist-shaped groove, 44-a first hoop, 45-a second hoop and 50-a respirator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The present invention will be further described with reference to the accompanying drawings. As shown in fig. 1 to 7, the present embodiment provides a platform for replacing silicon gel of a converter transformer respirator, which includes a moving platform 11, a clamping mechanism for clamping the respirator 50, a lifting mechanism for driving the clamping mechanism to lift, and a rotating mechanism 30 for driving the clamping mechanism to rotate around a first axis, where the first axis is perpendicular to a central axis of the respirator 50.
The platform for silica gel replacement operation of the converter transformer respirator 50 of the embodiment drives the moving platform 11 to the respirator 50 when in use, by adjusting the movable platform 11 and the lifting mechanism, the clamping mechanism is moved to the proper position and clamps the respirator 50, therefore, the respirator 50 is disassembled without manual lifting, after the disassembly is completed, the lifting mechanism descends to drive the mobile platform 11 to the blank area, the rotating mechanism 30 is started, the entire clamping mechanism holding the respirator 50 is rotated about a first axis (i.e., perpendicular to the central axis of the respirator 50), rotating the opening of the respirator 50 from upward to downward, thereby pouring out the silica gel within the respirator 50, then rotating the opening of the respirator 50 from downward to upward, adding new silica gel to the respirator 50, and finally moving the respirator 50 below the respirator connection tube and lifting it into place to complete the installation. Above-mentioned 50 silica gel replacement processes of respirator need not the manual work and lifts respirator 50, need not to pull down respirator 50 from fixture, also need not the manual work and emptys respirator 50, great manpower of having saved for can accomplish whole silica gel replacement process alone, moreover, whole silica gel replacement process becomes obvious simple high-efficient, has still avoided the damage problem of colliding with that respirator 50 probably exists at the manual work in-process of tumbling simultaneously.
In order to realize the above tilting process, the lifting mechanism of the embodiment is different from the existing scissor-type lifting mechanism, the lifting platform of the existing scissor-type lifting mechanism is parallel to the moving platform 11, so that the fixed platform fixed on the lifting platform is difficult to drive the respirator 50 to rotate; the lifting mechanism of the embodiment includes a lifting plate 28 perpendicular to the moving platform 11 and a linear driving device for driving the lifting plate 28 to lift in the vertical direction; the clamping mechanism comprises a supporting plate 41 parallel to the lifting plate 28 and a clamping device fixed to the supporting plate 41 for clamping the respirator 50; the central axes of the supporting plate 41, the lifting plate 28 and the respirator 50 are distributed in parallel; the rotating mechanism 30 includes a rotating shaft 31 perpendicular to the support plate 41, and the support plate 41 is rotatably connected to the elevating plate 28 through the rotating shaft 31. The first axis of the present embodiment is a straight line on which the central axis of the rotating shaft 31 is located. The above-described structural arrangement of the present embodiment can realize the following functions: (1) the supporting plate 41 and the lifting plate 28 are fixedly connected in the vertical direction through the rotating shaft 31, so that the lifting of the clamping mechanism can be driven by the lifting of the lifting plate 28; (2) the rotatable connection of the support plate 41 and the lifting plate 28, that is, the rotatable connection of the whole clamping mechanism relative to the lifting plate 28, is realized through the rotating shaft 31, so that the clamping mechanism clamping the respirator 50 can realize the silica gel dumping. The combination of above-mentioned structure for whole fixture has realized elevating system and has realized rotation function again, simple structure, and beneficial effect is outstanding.
In this embodiment, the rotation manner of the supporting plate 41 relative to the lifting plate 28 through the rotating shaft 31 may have various specific structures, and one specific manner is as follows: one end of the rotating shaft 31 is fixedly arranged in the center of the supporting plate 41 in a penetrating way, and the other end of the rotating shaft 31 is rotatably arranged in the center of the lifting plate 28 in a penetrating way; of course, this specific structure may also be: one end of the rotating shaft 31 is rotatably inserted through the center of the supporting plate 41, and the other end of the rotating shaft 31 is fixedly inserted through the center of the lifting plate 28. Specifically, the rotating shaft 31 is fixedly connected to the support plate 41 via the first flange 32.
In order to enable the rotation of the respirator 50 to be performed within a certain range and to ensure that the respirator 50 can be stably and non-swaying when not rotating, the rotating mechanism 30 of the present embodiment is further provided with a limiting mechanism, specifically, the limiting mechanism of the present embodiment may have the following structure: comprises a limit shaft sleeve 33, a limit bolt 34 and a pre-pressing spring 35; the limiting shaft sleeve 33 is fixed on one side of the lifting plate 28, which is far away from the supporting plate 41, through the second flange 332, the rotating shaft 31 penetrates through the limiting shaft sleeve 33, and one end, which is far away from the supporting plate 41, of the limiting shaft sleeve 33 is provided with a concave-convex curved surface; a through groove 311 is formed on the rotating shaft 31, the limiting bolt 34 is arranged in the through groove 311 in a penetrating manner and is vertically distributed with the rotating shaft 31, and a plurality of clamping grooves 331 for clamping the rotating shaft 31 are formed on the concave-convex curved surface; the pre-pressing spring 35 is sleeved on the rotating shaft 31, a pressing nut 36 is connected to one end, far away from the limiting shaft sleeve 33, of the rotating shaft 31 through threads, one end of the pre-pressing spring 35 abuts against the limiting bolt 34, and the other end of the pre-pressing spring 35 abuts against the pressing nut 36.
The limiting function of the limiting mechanism is realized as follows: when the respirator 50 needs to be rotated, the support plate 41 is pushed, the rotating shaft 31 fixed to the support plate 41 rotates along with the support plate 41, the limiting bolt 34 penetrating through the through slot 311 of the rotating shaft 31 also rotates along with the rotating shaft 31, and the limiting bolt 34 moves in the axial direction of the through slot 311 due to the existence of the concave-convex curved surface of the limiting shaft sleeve 33 in the rotating process, when the limiting bolt 34 rotates to the position of the slot 331, two ends of the limiting bolt 34 are clamped in the slot 331 under the action of the pre-pressing spring 35, so that the limiting bolt 34 cannot continue to rotate without the external force, the angle between the slot 331 and the slot 331 determines the rotation division of the limiting bolt 34, specifically, the included angle between one slot 331 and the adjacent slot 331 is set to be 90 °, so that the rotating shaft 31 can only rotate by several angles of 0 °, 90 °, 180 °, 270 °, when rotated to 180 deg., the entire respirator 50 tips over completely and the silicone gel inside can be poured over. The transition between one slot 331 and the adjacent slot 331 of this embodiment is a smooth transition, and the arrangement is to make the rotation of the limit bolt 34 easier and smoother.
It should be noted that the compression nut 36 of the present embodiment is used for adjusting the compression amount of the pre-pressure spring 35, so as to adjust the pressure of the pre-pressure spring 35 acting on the position-limiting bolt 34, so that the position-limiting bolt 34 can be clamped in the slot 331 or can be screwed out of the slot 331, when the position-limiting bolt 34 is tightly clamped in the slot 331, the entire rotating shaft 31 hardly shakes in the circumferential direction, so that the clamping mechanism can be stably fixed in a certain fixed state.
The end of the pre-pressing spring 35 close to the pressing nut 36 of this embodiment is further sleeved with a spring sheath 37, which can assist the pressing nut 36 to adjust the compression amount of the pre-pressing spring 35.
In order to further ensure the stability of the respirator 50, the center of the rotating shaft 31 at one end of the compression nut 36 is provided with a limit screw hole 312, and the limit screw hole 312 is communicated with the through groove 311; the surface of the limit bolt 34 located in the limit screw hole 312 is provided with a butting surface, the butting surface is a plane, a limit screw 38 extends into the limit screw hole 312 and butts against the butting surface, the limit screw 38 is in threaded connection with the limit screw hole 312, and an inner hexagonal screw hole is formed in one end of the limit screw 38 far away from the butting surface. When further spacing is required, the limiting screw 38 is inserted into the limiting screw hole 312, and the limiting screw 38 is screwed through the hexagon socket head cap screw hole, so that the limiting screw 38 tightly abuts against the abutting surface, the limiting bolt 34 is tightly abutted against the clamping groove 331, the limiting bolt 34 is fixed relative to the limiting shaft sleeve 33, the whole rotating shaft 31 is fixed relative to the lifting plate 28, and the clamping mechanism fixedly connected with the rotating shaft 31 cannot shake.
One embodiment of the clamping device of the present embodiment comprises a first hoop 44 for clamping one end of the respirator 50 and a second hoop 45 for clamping the other end of the respirator 50, wherein the first hoop 44 is fixed at one end of the supporting plate 41, and the second hoop 45 is fixed at the other end of the supporting plate 41. First staple bolt 44 presss from both sides tight respirator 50's one end, and second staple bolt 45 presss from both sides tight respirator 50's the other end, can be with the fine fixing of respirator 50 on backup pad 41 through first staple bolt 44 and second staple bolt 45 to can be along with backup pad 41 goes up and down or rotates, the staple bolt can carry out size adjustment according to respirator 50's diameter, can be applicable to and press from both sides tight respirator 50 of different specifications. It should be noted that the hoop is a preferred solution for clamping the respirator 50 in this embodiment, and in other embodiments, the clamping device may also be a clamping structure such as a claw commonly used for a shaft.
In order to make the clamping mechanism of the present embodiment suitable for respirators 50 with different axial dimensions, one end of the supporting plate 41 of the present embodiment is provided with a first waist-shaped groove 42, the other end of the supporting plate 41 is provided with a second waist-shaped groove 43, the first anchor ear 44 is slidably connected with the first waist-shaped groove 42, and the second anchor ear 45 is slidably connected with the second waist-shaped groove 43. The distance between the first anchor ear 44 and the second anchor ear 45 can be further adjusted by adjusting the fixing position of the first anchor ear 44 relative to the first waist-shaped groove 42 and the fixing position of the second anchor ear 45 relative to the second waist-shaped groove 43, so that the first anchor ear 44 and the second anchor ear 45 can be matched with respirators 50 of different specifications. Between first staple bolt 44 and first waist type groove 42, all can pass through screw fixed connection between second staple bolt 45 and the second waist type groove 43, the first waist type groove 42 and the second waist type groove 43 of this embodiment all are provided with many that are parallel to each other, the equal sliding connection in first staple bolt 44 and many first waist type grooves 42, second staple bolt 45 and many second waist type grooves 43 also equal sliding connection, many first waist type grooves 42 and first staple bolt 44 are connected, many second waist type grooves 43 and second staple bolt 45 are connected, make to connect more stably.
The lifting mechanism of the embodiment further comprises a pair of supporting guide rails 26, the supporting guide rails 26 are vertically fixed on the upper surface of the moving platform 11, and one side of the lifting plate 28, which is far away from the supporting plate 41, is fixedly provided with 4 sliding blocks 27; one support guide rail 26 and 2 slider 27 sliding connection, 4 sliders 27 branch locate the four angles of lifter plate 28, and a pair of support guide rail 26 branch is located the both sides of moving platform 11 for whole lifter plate 28 can be stable along support guide rail 26 lift. When needing to be explained, the supporting guide rail 26 is fixed on the end portion of the moving platform 11, and the clamping mechanism is fixed on one end of the lifting plate 28 far away from the moving platform 11, so that the respirator 50 can be directly clamped by the clamping mechanism when being clamped by the clamping mechanism, and the clamping mechanism does not need to be moved in the horizontal direction in order to let the moving platform 11 away, and therefore a moving device in the horizontal direction is not needed to be arranged above the moving platform 11 in the prior art, so that the whole device is simpler in structure and is more convenient and quicker to use.
In one embodiment of the above linear driving device, the lifting plate 28 can move up and down through a screw rod structure, and specifically, the linear driving device of the embodiment includes a screw rod, the screw rod includes a screw rod 24, a nut block 25 in threaded connection with the screw rod 24, and a rotation driving device for driving the screw rod 24 to rotate; a working platform 14 is fixedly arranged above the movable platform 11, a cross bar 241 is further fixedly arranged above the working platform 14, specifically, the cross bar 241 is fixed between the pair of support guide rails 26, a screw seat 242 is fixed on the cross bar 241, one end of the screw 24 is rotatably connected with the screw seat 242, and the other end of the screw 24 is arranged on the working platform 14. The screw 24 is driven to rotate by the rotation driving device, so that the nut block 25 in threaded connection with the screw 24 moves up and down along the screw 24, and the lifting plate 28 fixedly connected with the nut block 25 is driven to lift along the supporting guide rail. Besides, the linear driving device of the present embodiment may also be a scissor lift structure, an air cylinder, a hydraulic cylinder, or the like.
The rotation driving device of the embodiment comprises a driving rod 22 perpendicular to a screw 24, a driving hand wheel 21 arranged at one end of the driving rod 22, and a steering gear 23 arranged at the other end of the driving rod 22; the steering gear 23 is fixedly arranged on the working platform 14, the steering gear 23 comprises a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are vertically distributed; the driving rod 22 is fixed to the first rotating shaft, and the end of the screw 24 away from the screw seat 242 is fixed to the second rotating shaft. The working platform 14 of this embodiment is further fixedly provided with a support seat 221 for supporting the driving rod 22, and the driving rod 22 is rotatably connected with the support seat 221; in use, the driving handwheel 21 is rotated to rotate the driving rod 22, and the rotation is transmitted to the screw rod 24 through the steering gear 23, so that the screw rod 24 rotates, specifically, the steering gear 23 of the embodiment is realized through a pair of conical gears which are vertically arranged. It should be noted that, in order to enable the silicon gel replacement of the converter transformer respirator 50 of the present embodiment to be used as a service platform under any conditions, the present embodiment selects to rotate the driving handwheel 21 to drive the driving rod 22 to rotate, and the use of the driving motor instead of the driving handwheel 21 is a good alternative of the present embodiment.
The rotation driving device of this embodiment may also be directly configured as a driving motor, the driving motor is fixed to the working platform 14, and a rotating shaft of the driving motor is fixedly connected to the screw 24. The reason why the driving motor is not directly selected in the present embodiment is to enable the present embodiment to be applied to the occasion where electricity is inconvenient.
In this embodiment, a pushing handle 12 for pushing the moving platform 11 is fixed at an end of the moving platform 11 away from the lifting plate 28, a plurality of self-locking rollers 13 are fixed below the moving platform 11, and a tool box 15 for placing tools is further disposed on the moving platform 11. When the respirator 50 is used, the pushing handle 12 is pushed to move the moving platform 11, the self-locking roller 13 can be locked after the moving platform 11 is moved to a specified position, the moving platform 11 is prevented from moving randomly, and a tool box 15 placed on the moving platform 11 can be used for placing a detaching tool and detached parts when the respirator 50 is detached.
The screw 24, the nut block 25, the steering gear 23, and the driving rod 22 of the present embodiment are also covered with the housing 16.
It should be noted that in practical applications, it may be necessary to provide a weight on the mobile platform 11 to keep the balance of the whole device without unbalance the center of gravity of the whole device due to holding the respirator 50.
To sum up, the platform is used in 50 silica gel change operations of converter transformer respirator of this embodiment, need not the manual work and lift respirator 50 in the change in-process of 50 silica gels of whole respirator, need not the manual work and lifting respirator 50 of tumbling, one person can complete whole silica gel change process, great manpower of having saved, silica gel change efficiency has been improved, and there is not the respirator 50 that probably exists when the manual work is tipped respirator 50 to collide with the damage problem, in addition, the overall structure of the platform is simple for the operation of this embodiment, actuating mechanism design benefit, the cost of manufacture is low, high durability and convenient use, and can be applicable to the respirator 50 of multiple specification of multiple occasion.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a platform for operation is changed to converter transformer respirator silica gel, includes moving platform for the fixture of centre gripping respirator, and be used for the drive the elevating system that fixture goes up and down, its characterized in that: the clamping mechanism is driven to rotate around a first axis by the rotating mechanism, and the first axis is perpendicular to a central axis of the respirator;
the lifting mechanism comprises lifting plates which are vertically distributed and a linear driving device which is used for driving the lifting plates to lift along the vertical direction; the clamping mechanism comprises a supporting plate and a clamping device which is fixed on the supporting plate and used for clamping the respirator; the rotating mechanism comprises a rotating shaft perpendicular to the supporting plate, and the supporting plate is rotatably connected with the lifting plate through the rotating shaft;
the rotating shaft is fixedly connected with the supporting plate and is rotatably connected with the lifting plate;
the rotating mechanism is also provided with a limiting mechanism, and the limiting mechanism comprises a limiting shaft sleeve, a limiting bolt and a pre-pressing spring; the limiting shaft sleeve is fixed on the lifting plate, and the rotating shaft penetrates through the limiting shaft sleeve; a through groove is formed in the rotating shaft, the depth direction of the through groove is distributed along the radial direction of the rotating shaft, the length direction of the through groove is distributed along the axial direction of the rotating shaft, and a plurality of clamping grooves used for clamping the limiting bolt are formed in the end part, far away from the supporting plate, of the limiting shaft sleeve; the pre-pressing spring is sleeved on the rotating shaft, a pressing nut is connected to one end, far away from the supporting plate, of the rotating shaft in a threaded mode, and the pre-pressing spring abuts against the position limiting bolt and the pressing nut.
2. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 1, wherein: a limiting screw hole is formed in the end part, far away from the supporting plate, of the rotating shaft, and the limiting screw hole is communicated with the through groove; the surface of the limiting bolt in the through groove is provided with a butt joint surface, a limiting screw extends into the limiting screw hole and abuts against the butt joint surface, and the limiting screw is in threaded connection with the limiting screw hole.
3. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 1, wherein: the clamping device comprises a first hoop and a second hoop, the first hoop is used for clamping one end of the respirator, the second hoop is used for clamping the other end of the respirator, the first hoop is fixed at one end of the supporting plate, and the second hoop is fixed at the other end of the supporting plate.
4. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 3, wherein: the utility model discloses a support plate, including backup pad, first staple bolt, second staple bolt, backup pad one end is provided with first waist type groove, the backup pad other end is provided with second waist type groove, first staple bolt with first waist type groove sliding connection, the second staple bolt with second waist type groove sliding connection.
5. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 1, wherein: the lifting mechanism also comprises a plurality of vertically distributed supporting guide rails, and a plurality of sliding blocks are fixedly arranged on one side of the lifting plate away from the supporting plate; and the supporting guide rail is in sliding connection with the sliding blocks.
6. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 5, wherein: the linear driving device comprises a lead screw, the lead screw comprises a screw rod parallel to the supporting guide rail, a nut block in threaded connection with the screw rod, and a rotary driving device for driving the screw rod to rotate; the movable platform is characterized in that a working platform is fixedly arranged above the movable platform, a cross rod is fixedly arranged above the working platform, a screw rod seat is fixed on the cross rod, one end of a screw rod is rotatably connected with the screw rod seat, and the other end of the screw rod is arranged on the working platform.
7. The platform for the silica gel replacement operation of the converter transformer respirator according to claim 6, wherein: the rotation driving device comprises a driving rod vertical to the screw rod, a driving hand wheel arranged at one end of the driving rod and a steering gear arranged at the other end of the driving rod; the steering gear is fixedly arranged on the working platform and comprises a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are vertically distributed; the driving rod is fixed in the first rotating shaft, and one end, far away from the screw rod seat, of the screw rod is fixed in the second rotating shaft.
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| CN201911128927.2A CN110842870B (en) | 2019-11-18 | 2019-11-18 | Platform for replacing operation of silicon gel of converter transformer respirator |
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| CN201911128927.2A CN110842870B (en) | 2019-11-18 | 2019-11-18 | Platform for replacing operation of silicon gel of converter transformer respirator |
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| CN111834115B (en) * | 2020-06-30 | 2021-10-22 | 国家电网有限公司 | Device is changed to transformer respirator silica gel |
| CN112582145A (en) * | 2020-12-23 | 2021-03-30 | 国家电网有限公司 | Electric silica gel replacement device for transformer respirator |
| CN113724985A (en) * | 2021-08-18 | 2021-11-30 | 国网河北省电力有限公司检修分公司 | High-voltage shunt reactor respirator silica gel replacement auxiliary device |
| CN113517123B (en) * | 2021-08-31 | 2022-09-20 | 国网河南省电力公司社旗县供电公司 | Respirator replacing device |
| CN114346982A (en) * | 2021-12-15 | 2022-04-15 | 中国船舶重工集团公司七五0试验场 | Cabin section assembling vehicle for underwater navigation body |
| CN114289195B (en) * | 2021-12-28 | 2024-05-07 | 开封市质量技术监督检验测试中心 | Calibrating device for measuring rotation speed indication error of medical centrifugal machine |
| CN114864257A (en) * | 2022-06-17 | 2022-08-05 | 山西地宝能源有限公司 | Respirator dismouting operation panel of mining transformer |
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| JP2003012285A (en) * | 2001-07-02 | 2003-01-15 | Misawa Homes Co Ltd | Work bench |
| CN203284094U (en) * | 2013-05-30 | 2013-11-13 | 国家电网公司 | Rod hanger special for GW6 knife switch porcelain column replacement |
| CN104498740A (en) * | 2014-12-19 | 2015-04-08 | 包头市和维德机电液压设备有限公司 | Soup ladling machine |
| CN105291063A (en) * | 2015-11-13 | 2016-02-03 | 国网四川省电力公司南充供电公司 | Temporary fixing device and fixing method adopted in lightning rod treatment process |
| CN207200091U (en) * | 2017-08-17 | 2018-04-06 | 国网湖南省电力公司 | A kind of handling instrument for the maintenance of transformer silica gel tank |
| CN107453263B (en) * | 2017-09-04 | 2019-07-12 | 国网河南省电力公司检修公司 | Transformer breather silica gel replaces mobile platform |
| CN107877459B (en) * | 2017-11-18 | 2020-06-02 | 江苏长虹智能装备股份有限公司 | Sunroof installation production line |
| CN207785694U (en) * | 2017-12-25 | 2018-08-31 | 中国石油天然气股份有限公司 | Frame body |
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Application publication date: 20200228 Assignee: Chengdu Guangjiu Power Technology Co.,Ltd. Assignor: DALI BUREAU OF ULTRA HIGH VOLTAGE TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd. Contract record no.: X2022440000311 Denomination of invention: A platform for silica gel replacement of converter transformer respirator Granted publication date: 20210511 License type: Common License Record date: 20221212 |
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