CN117963783B - Electric power overhauls elevating gear - Google Patents
Electric power overhauls elevating gear Download PDFInfo
- Publication number
- CN117963783B CN117963783B CN202410389165.6A CN202410389165A CN117963783B CN 117963783 B CN117963783 B CN 117963783B CN 202410389165 A CN202410389165 A CN 202410389165A CN 117963783 B CN117963783 B CN 117963783B
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- rod
- protection plate
- plate
- vertical
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- 230000003028 elevating effect Effects 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to an electric power overhaul lifting device, and belongs to the technical field of electric power overhaul; the lifting platform is arranged on the frame, and the guardrail assembly is arranged on the table top of the lifting platform; the guardrail assembly comprises a support frame, wherein the support frame is of a square frame structure, a guard plate capable of being turned outwards is arranged at the front opening, the rear opening, the left opening and the right opening of the support frame respectively, the lower ends of the edges of the two sides of the guard plate are respectively hinged with the support frames on the two sides, a first locking mechanism is arranged between the guard plate and the support frame, and the guard plate can be converted between a vertical state and a horizontal turning-out state through the first locking mechanism; the front protection plate and the rear protection plate are provided with a storage assembly, the protection plate and the storage assembly are provided with a second locking mechanism, and the storage assembly can be switched between a folding state and an unfolding state through the second locking mechanism; the lifting device solves the problem that the existing lifting device for electric power overhaul cannot increase the operation area and the tool storage space.
Description
Technical Field
The invention belongs to the technical field of electric power overhaul, and particularly relates to an electric power overhaul lifting device.
Background
In carrying out some higher position electric power overhauls the in-process, maintainer can adjust work area through elevating gear, and current elevating gear, and the standing platform is big, and the price is expensive, and the inconvenient transportation is removed, and the standing platform is little, and the maintainer is regional limited when carrying out the operation, influences maintainer's maintenance efficiency, and the space is less moreover, and the instrument of the maintainer of being inconvenient for is deposited, has brought inconvenience for maintainer when the maintenance.
Therefore, it is necessary to provide a new electric power overhaul lifting device to solve the above technical problems.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides an electric power overhaul lifting device; the lifting device solves the problem that the existing lifting device for electric power overhaul cannot increase the operation area and the tool storage space.
In order to achieve the above purpose, the present invention is realized by the following technical scheme.
The electric power overhauling lifting device comprises a frame, a lifting table and a guardrail assembly, wherein the lifting table is arranged on the frame, and the guardrail assembly is arranged on the table top of the lifting table; the guardrail assembly comprises a support frame, wherein the support frame is of a square frame structure, a guard plate capable of being turned outwards is arranged at the front opening, the rear opening, the left opening and the right opening of the support frame respectively, the lower ends of the edges of the two sides of the guard plate are respectively hinged with the support frames on the two sides, a first locking mechanism is arranged between the guard plate and the support frame, and the guard plate can be converted between a vertical state and a horizontal turning-out state through the first locking mechanism; the two front and rear protection plates are provided with storage assemblies, the protection plates and the storage assemblies are provided with second locking mechanisms, and the storage assemblies can be switched between a folded state and an unfolded state through the second locking mechanisms.
Further, the frame is of a plate-shaped structure which is horizontally arranged, four rotatable wheels are arranged on the frame, and a vertical supporting rod is respectively arranged at four corners of the frame in a rotating manner; one end of the supporting rod, which is far away from the frame, is provided with a vertical threaded hole, a vertical threaded rod is screwed in the threaded hole, and a supporting leg is fixedly arranged at the lower end of the threaded rod.
Further, the support frame comprises four vertical support rods and four horizontal connecting rods, the four support rods are respectively and fixedly arranged at four corners of the table top of the lifting table, and a connecting rod is fixedly arranged between the upper ends of any two adjacent support rods; the guard plate is square platy structure of vertical setting, and the guard plate sets up between two adjacent bracing pieces, and the upper end edge of guard plate is located the below of connecting rod.
Further, the first locking mechanism comprises a long rod, a short rod, a positioning rod, a bearing block, a sliding rod, a rotating rod, a baffle plate and a spring; the upper ends of the end surfaces of the two sides of the protection plate are respectively fixedly provided with a positioning rod, the two sides of the protection plate are respectively provided with a long rod and a short rod, and the long rod and the short rod are positioned between the protection plate and the support rod; the long rod and the short rod are vertical, and the length of the long rod is longer than that of the short rod; the lower ends of the long rods and the short rods are hinged; the upper end of the long rod is provided with a long round hole, and the long round hole at the upper end of the long rod is sleeved on the outer side of the positioning rod at the same side; the upper end of the short rod is hinged with the supporting rod through a hinging rod.
Further, a vertical chute is respectively arranged at the upper end and the lower end of the end face of one side of the support rod, which faces the protection plate, and a notch is arranged at the lower end of the chute in the direction facing the outer side of the lifting platform; one end of the positioning rod, which is far away from the protection plate, is inserted into the sliding groove at the upper end of the supporting rod at the same side; the lower ends of the end surfaces of the two sides of the protection plate are respectively fixedly provided with a bearing block, one end, far away from the protection plate, of the bearing block is fixedly provided with a sliding rod, and one end, far away from the bearing block, of the sliding rod is inserted into a sliding groove at the lower end of the supporting rod on the same side.
Further, a rotating rod is rotatably arranged at the lower end of the end face of one side of the supporting rod, which faces the protection plate, and a vertical sliding rod is fixedly arranged at one end of the rotating rod, which is far away from the supporting rod; a vertical plug hole is formed in the bearing block, and the sliding rod vertically upwards penetrates through the plug hole in the bearing block; an annular baffle is fixedly arranged on the outer side of the sliding rod; a spring is sleeved on the outer side of the sliding rod between the baffle plate and the bearing block, and the upper end and the lower end of the spring are fixedly connected with the bearing block and the baffle plate respectively; because the upward resilience force of the spring, the end parts of the positioning rod and the sliding rod are positioned at the top ends of the inner parts of the upper sliding groove and the lower sliding groove, and the protection plate is positioned at the highest position.
Further, a group of blocking sheets are respectively arranged on the end surfaces of the two sides of the protection plate, and the blocking sheets are respectively contacted with the outer side surfaces of the long rods or the short rods on the same side; a U-shaped clamping rod is arranged between the protection plate and the connecting rod above, the opening of the U-shaped clamping rod faces to the outer side, one end of the U-shaped clamping rod is connected with the connecting rod above in a rotating mode, and the other end of the U-shaped clamping rod is connected to the upper end of the protection plate in a sliding and inserting mode.
Further, two square containing windows which are arranged left and right are respectively arranged on the front protection plate and the rear protection plate, and a containing assembly is respectively arranged in each containing window; the storage assembly comprises an upper rotating plate, a lower rotating plate, a fixed seat, a connecting seat and a cylindrical pin; a vertical upper rotating plate and a vertical lower rotating plate are respectively arranged in each containing window, and the lower edge of the upper rotating plate is hinged with the upper edge of the lower rotating plate through a hinge; the protection plates at two sides of the lower edge of the lower rotating plate are respectively provided with a fixed seat, and a cylindrical pin is rotationally arranged in the fixed seat; two sides of the lower edge of the lower rotating plate are respectively fixedly provided with a connecting seat, and one ends of the cylindrical pins, which are far away from the fixed seat, are respectively fixedly inserted into the connecting seats; a vertical lug is fixedly arranged on the lower side of one end of the cylindrical pin away from the connecting seat, and the lug is kept in a horizontal state.
Further, the second locking mechanism comprises a limiting rod, a connecting seat, a cylindrical pin, a movable seat and a bolt; two sides of the upper edge of the upper rotating plate are respectively fixedly provided with a connecting seat, and a cylindrical pin is fixedly inserted into each connecting seat; the protection plates on two sides of the lower edge of the upper rotating plate are respectively provided with a movable seat in a sliding manner, and the movable seats slide along the vertical direction; a cylindrical pin is fixedly inserted into the sliding seat; a vertical limiting rod is arranged between the two cylindrical pins at the same side, and two ends of the limiting rod are respectively hinged with the cylindrical pins of the connecting seat and the cylindrical pins of the movable seat.
Further, a locking hole is formed in the upper end face of the upper rotating plate, the bolt is downwards screwed to the upper end face of the protection plate, and the tip of the bolt is inserted into the locking hole in the upper end of the upper rotating plate.
Compared with the prior art, the invention has the following beneficial effects:
According to the electric power overhaul lifting device, when electric power overhaul is carried out, the lifting platform area can be increased by rotating the protection plate, so that the standing construction space is increased, the overhaul construction area is increased, an operator can more conveniently move and adjust the position, and an accommodating space can be formed by mutually and vertically rotating the upper rotating plate and the lower rotating plate in the accommodating window, so that overhaul personnel can conveniently place construction products, and the space utilization rate is improved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the guard assembly;
Fig. 3 is a schematic structural view of the shield plate;
FIG. 4 is an enlarged partial schematic view at A in FIG. 3;
FIG. 5 is an enlarged partial schematic view at B in FIG. 3;
FIG. 6 is a schematic view of the structure of the support bar;
FIG. 7 is a schematic view of the connection of the shield plate to the support bars on both sides and the connecting bars above;
fig. 8 is a schematic view of the structure of the shield plate in a horizontally everted state;
FIG. 9 is a schematic view of the storage assembly in an expanded state;
Wherein 1 is a lifting table; 2 is a protection plate; 3 is a supporting frame; 4 is a positioning rod; 5 is a bearing block; 6 is a slide bar; 7 is a chute; 8 is a notch; 9 is a long rod; 10 is a short bar; 11 is a slotted hole; 12 is a sliding rod; 13 is a rotating rod; 14 is a baffle; 15 is a spring; 16 is a barrier sheet; 17 is a frame; 18 is a lifting assembly; 19 is a threaded rod; 20 is a supporting leg; 21 is a storage window; 22 is an up-turning plate; 23 is a down-turning plate; 24 is a connecting seat; 25 is a fixed seat; 26 is a cylindrical pin; 27 is a movable seat; 28 is a limit lever; 29 is a tab; 30 is a mounting hole; 31 is a bolt; 32 is a U-shaped clamping rod.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The following describes the technical scheme of the present invention in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-9, the invention provides an electric power overhaul lifting device, which comprises a frame 17, a lifting table 1 and a guardrail assembly, wherein the lifting table 1 is arranged on the frame 17, and the guardrail assembly is arranged on the table top of the lifting table 1; the guardrail assembly comprises a support frame 3, wherein the support frame 3 is of a square frame structure, a guard plate 2 capable of being turned outwards is arranged at the front opening, the rear opening, the left opening and the right opening of the support frame 3 respectively, the lower ends of the edges of the two sides of the guard plate 2 are hinged with the support frames 3 on the two sides respectively, a first locking mechanism is arranged between the guard plate 2 and the support frames 3, and the guard plate 2 can be converted between a vertical state and a horizontal turning-out state through the first locking mechanism; the two front and rear protection plates 2 are provided with storage components, the protection plates 2 and the storage components are provided with second locking mechanisms, and the storage components can be switched between a folded state and an unfolded state through the second locking mechanisms.
The frame 17 is of a plate-shaped structure which is horizontally arranged, four rotatable wheels are arranged on the frame 17, and the wheels are used for driving the whole device to walk. A supporting rod is respectively and rotatably arranged at the four corners of the frame 17, and the axis of the supporting rod is kept vertical; one end of the bearing rod, which is far away from the frame 17, is provided with a vertical threaded hole, a vertical threaded rod 19 is screwed in the threaded hole, and a supporting foot 20 is fixedly arranged at the lower end of the threaded rod 19.
When the frame 17 moves to the overhaul site, the vehicle is braked, the four supporting rods are outwards unfolded, the supporting legs 20 at the lower ends of the threaded rods 19 gradually descend and are in contact with the ground through the rotation of the threaded rods 19, and when the supporting legs 20 are in stable contact with the ground, the rotation of the threaded rods 19 is stopped, and at the moment, the whole device can be stably supported through the four supporting legs 20, so that the whole device is prevented from shaking in the operation process.
The lifting assembly 18 is arranged in the lifting platform 1, the frame 17 is connected with the table top of the lifting platform 1 through the lifting assembly 18, and the table top of the lifting platform 1 is controlled to lift through the action of the lifting assembly 18. The table top of the lifting table 1 is of a square plate-shaped structure which is horizontally arranged, anti-skidding patterns are arranged on the table top of the lifting table 1, and operators are prevented from slipping down on the table top of the lifting table 1 through the anti-skidding patterns.
The support frame 3 includes four vertical bracing pieces and four horizontal connecting rods, and four bracing pieces are fixed respectively to be set up in four angles of mesa department of elevating platform 1, and the fixed connecting rod that is provided with between arbitrary adjacent two bracing piece upper ends. The support rod and the connecting rod are both square rod structures.
The guard plate 2 is a square platy structure in vertical arrangement, the guard plate 2 is arranged between two adjacent support rods, and the edge of the upper end of the guard plate 2 is positioned below the connecting rods.
The first locking mechanism comprises a long rod 9, a short rod 10, a positioning rod 4, a bearing block 5, a sliding rod 6, a rotating rod 13, a baffle 14 and a spring 15.
The upper ends of the end surfaces of the two sides of the protection plate 2 are respectively fixedly provided with a positioning rod 4, and the positioning rods 4 are perpendicular to the support rods. A long rod 9 and a short rod 10 are respectively arranged on two sides of the protection plate 2, and the long rod 9 and the short rod 10 are positioned between the protection plate 2 and the support rod; the long rod 9 and the short rod 10 are kept vertical, and the length of the long rod 9 is longer than that of the short rod 10, namely the upper end of the long rod 9 is higher than that of the short rod 10; the lower ends of the long rods 9 and the short rods 10 are hinged; a long round hole 11 is formed in the upper end of the long rod 9, the length direction of the long round hole 11 coincides with the length direction of the long rod 9, and the long round hole 11 at the upper end of the long rod 9 is sleeved on the outer side of the positioning rod 4 at the same side; the upper end of the short bar 10 is hinged with the supporting bar through a hinge bar.
When the protection plate 2 rotates outwards, the positioning rods 4 on two sides of the protection plate 2 drive the upper ends of the long rods 9 on two sides to rotate outwards, and the angle between the long rods 9 and the short rods 10 is gradually increased. When the protection plate 2 rotates outwards to a horizontal eversion state, the long rod 9 and the short rod 10 rotate to 180 degrees, and a pulling force is given to the protection plate 2 through the long rod 9 and the short rod 10, so that the protection plate 2 can keep the horizontal eversion state, at the moment, the protection plate 2 after horizontal eversion is flush with the table top of the lifting table 1, and the operation area can be increased through the protection plate 2 after horizontal eversion.
The upper end and the lower end of the end face of one side of the support rod, which faces the protection plate 2, are respectively provided with a vertical chute 7, the length direction of the chute 7 is vertical, the lower end of the chute 7 is provided with a notch 8 in the direction facing the outer side of the lifting table 1, and the chute 7 is communicated with the inside and the outside through the notch 8.
One end of the positioning rod 4 far away from the protection plate 2 is inserted into a sliding groove 7 at the upper end of the supporting rod at the same side. The lower ends of the end faces of the two sides of the protection plate 2 are respectively fixedly provided with a bearing block 5, one end, far away from the protection plate 2, of the bearing block 5 is fixedly provided with a sliding rod 6, the sliding rod 6 is perpendicular to the supporting rod, and one end, far away from the bearing block 5, of the sliding rod 6 is inserted into a sliding groove 7 at the lower end of the supporting rod on the same side.
A rotating rod 13 is rotatably arranged at the lower end of the end face of one side of the supporting rod, facing the protection plate 2, and the rotating rod 13 is perpendicular to the supporting rod. A vertical sliding rod 12 is fixedly arranged at one end of the rotating rod 13 far away from the supporting rod. A vertical inserting hole is formed in the bearing block 5, and the sliding rod 12 vertically upwards passes through the inserting hole in the bearing block 5; a circular baffle 14 is fixedly arranged on the outer side of the sliding rod 12; a spring 15 is sleeved outside the sliding rod 12 between the baffle plate 14 and the receiving block 5, and the upper end and the lower end of the spring 15 are fixedly connected with the receiving block 5 and the baffle plate 14 respectively. An anti-drop ring is fixedly arranged at the upper end of the sliding rod 12, and the outer diameter of the anti-drop ring is larger than the inner diameter of the inserting hole of the receiving block 5, so that the sliding rod 12 is ensured not to drop out of the receiving block 5.
Because of the upward resilience of the spring 15, the positioning rod 4 and the end of the sliding rod 6 are positioned at the top ends of the inner parts of the upper sliding groove 7 and the lower sliding groove 7, and the protection plate 2 is positioned at the highest position.
A group of blocking pieces 16 are respectively arranged on the end surfaces of the two sides of the protection plate 2, and the blocking pieces 16 are respectively contacted with the outer side surfaces of the long rods 9 or the short rods 10 on the same side, so that the lower ends of the long rods 9 and the short rods 10 are prevented from rotating outwards, and the lower ends of the long rods 9 and the short rods 10 are ensured to rotate inwards only. When the protection plate 2 is converted from the vertical state to the horizontal eversion state, the lower ends of the long rod 9 and the short rod 10 are rotated toward the inside until the angle between the long rod 9 and the short rod 10 is rotated to 180 degrees; when the protection plate 2 is converted from the horizontal eversion state to the vertical state, the angle between the long rod 9 and the short rod 10 is gradually reduced from 180 degrees to 0 degrees until the lower ends of the long rod 9 and the short rod 10 are contacted with the blocking piece 16 again, so that the protection plate 2 is finally in the vertical state.
A U-shaped clamping rod 32 is arranged between the protection plate 2 and the connecting rod above, the opening of the U-shaped clamping rod 32 faces to the outer side, one end of the U-shaped clamping rod 32 is rotationally connected with the connecting rod above, and the other end of the U-shaped clamping rod 32 is slidably inserted into the upper end of the protection plate 2. When the protection plate 2 is in a vertical state, one end of the U-shaped clamping rod 32 is inserted into the protection plate 2, and the protection plate 2 can be locked through the U-shaped clamping rod 32 at the moment, so that the protection plate 2 is kept in a vertical state; when one end of the U-shaped clamping rod 32 is pulled out from the inside of the protection plate 2, the protection plate 2 is in an unlocked state at this time, and the protection plate 2 can be turned outwards.
A mounting hole 30 is provided at an upper end edge of an inner side surface of the shielding plate 2, and when the shielding plate 2 is in a horizontally everted state, a shielding member through which an increased operation area is shielded can be mounted through the mounting hole 30.
Two square storage windows 21 are respectively arranged on the front and rear protection plates 2 in a left-right arrangement, and a storage assembly is respectively arranged inside each storage window 21. The storage assembly comprises an upper rotating plate 22, a lower rotating plate 23, a fixed seat 25, a connecting seat 24 and a cylindrical pin 26.
A vertical upper rotating plate 22 and a vertical lower rotating plate 23 are respectively arranged in each containing window 21, the lower edge of the upper rotating plate 22 is hinged with the upper edge of the lower rotating plate 23 through a hinge, the hinge is positioned at the inner sides of the upper rotating plate 22 and the lower rotating plate 23, and the maximum opening degree of the hinge is 180 degrees, namely, the maximum angle between the inner side surface of the upper rotating plate 22 and the inner side surface of the lower rotating plate 23 is 180 degrees.
The protection plates 2 on the two sides of the lower edge of the lower rotating plate 23 are respectively provided with a fixed seat 25, and a cylindrical pin 26 is rotatably arranged in the fixed seat 25. Two sides of the lower edge of the lower rotating plate 23 are respectively fixedly provided with a connecting seat 24, and one ends of cylindrical pins 26 far away from the fixed seat 25 are respectively fixedly inserted into the connecting seats 24. A vertical lug 29 is fixedly arranged on the lower side of one end of the cylindrical pin 26 far away from the connecting seat 24, and the lug 29 is kept in a horizontal state.
The second locking mechanism comprises a limiting rod 28, a connecting seat 24, a cylindrical pin 26, a movable seat 27 and a bolt 31.
A connecting seat 24 is fixedly arranged at two sides of the upper edge of the upper rotating plate 22, and a cylindrical pin 26 is fixedly inserted into each connecting seat 24. The protection plates 2 on the two sides of the lower edge of the upper rotating plate 22 are respectively provided with a movable seat 27 in a sliding way, and the movable seats 27 slide along the vertical direction; a cylindrical pin 26 is fixedly inserted into the sliding seat. A vertical limiting rod 28 is arranged between the two cylindrical pins 26 on the same side, and two ends of the limiting rod 28 are respectively hinged with the cylindrical pins 26 of the connecting seat 24 and the cylindrical pins 26 of the movable seat 27.
The cylindrical pins 26 of the connecting seat 24 and the movable seat 27 are horizontally arranged along the left-right direction.
A locking hole is provided at the upper end surface of the upper swivel plate 22, a bolt 31 is screwed down at the upper end surface of the shielding plate 2, and the tip of the bolt 31 is inserted into the locking hole at the upper end of the upper swivel plate 22. When the tip of the bolt 31 is pulled out from the inside of the locking hole of the upper rotating plate 22, the upper rotating plate 22 can be unlocked; when the tip of the bolt 31 is inserted into the locking hole of the upper rotating plate 22, the upper rotating plate 22 is locked.
The working principle of the invention is as follows:
The lifting device is convenient to move as a whole through wheels on the frame 17, lifting of the lifting platform 1 is controlled through the lifting assembly 18, and an maintainer lifts to a proper height for maintenance through standing on the lifting platform 1.
When the standing space needs to be increased, the U-shaped clamping rods 32 on the corresponding side can be pulled to separate the U-shaped clamping rods 32 from the protection plate 2, so that the protection plate 2 can be pressed down. Through pushing down guard plate 2, the locating lever 4 of guard plate 2 upper end both sides also slides downwards in the spout 7 inside of bracing piece upper end when the slotted hole 11 inside of stock 9 upper end is slided downwards, and slide bar 6 of guard plate 2 lower extreme both sides simultaneously slides in the spout 7 inside of bracing piece lower extreme, and when locating lever 4 and slide bar 6 descend to the breach 8 department of spout 7 lower extreme, locating lever 4 and slide bar 6 deviate from spout 7 inside through breach 8, and locating lever 4 and slide bar 6 break away from the bracing piece, and at this moment guard plate 2 can rotate to the outside.
Let guard plate 2 overturn gradually to can drive the contained angle between stock 9 and the quarter butt 10 to increase gradually at the in-process of upset, until the angle between stock 9 and the quarter butt 10 is 180 degrees, guard plate 2 also just rotates to the state with elevating platform 1 looks horizontally this moment, utilizes guard plate 2 after the level upset to improve elevating platform 1 corresponds the standing space of one side, increases the construction scope. After the adjustment, the safety of the adjusted lift table 1 can be further increased by installing the guard member through the installation hole 30 on the guard plate 2.
When the maintenance tool needs to be stored, through removing the bolt 31, let upward rotating plate 22 and lower rotating plate 23 can rotate in accomodating the window 21, upward rotating plate 22 is to accomodating the window 21 outside upset, lower rotating plate 23 and the connecting seat 24 of its bottom both sides drive cylindric lock 26 rotation, cylindric lock 26 is rotatory to ninety degrees later, the lug 29 of cylindric lock 26 tip is laminated mutually with the lateral surface of guard plate 2, let lower rotating plate 23 stop after rotating to the horizontality, lower rotating plate 23 is at the rotation in-process, upward rotating plate 22 also can receive the restriction of gag lever post 28, upward rotating plate 22 gradually rotate to with lower rotating plate 23 mutually perpendicular, form a accommodation space between upward rotating plate 22 and the lower rotating plate 23 this moment, make things convenient for the maintainer to place construction articles for use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. An electric power overhauls elevating gear, its characterized in that: the lifting device comprises a frame (17), a lifting table (1) and a guardrail assembly, wherein the lifting table (1) is arranged on the frame (17), and the guardrail assembly is arranged on the table top of the lifting table (1); the guardrail assembly comprises a support frame (3), wherein the support frame (3) is of a square frame structure, an eversible protection plate (2) is respectively arranged at the front opening, the rear opening, the left opening and the right opening of the support frame (3), the lower ends of the edges of the two sides of the protection plate (2) are respectively hinged with the support frames (3) on the two sides, a first locking mechanism is arranged between the protection plate (2) and the support frame (3), and the protection plate (2) can be converted between a vertical state and a horizontal eversible state through the first locking mechanism; the front protection plate (2) and the rear protection plate (2) are provided with storage components, the protection plates (2) and the storage components are provided with second locking mechanisms, and the storage components can be switched between a folding state and an unfolding state through the second locking mechanisms;
The first locking mechanism comprises a long rod (9), a short rod (10), a positioning rod (4), a bearing block (5), a sliding rod (6), a rotating rod (13), a baffle (14) and a spring (15); a positioning rod (4) is fixedly arranged at the upper ends of the end surfaces of the two sides of the protection plate (2), a long rod (9) and a short rod (10) are respectively arranged at the two sides of the protection plate (2), and the long rod (9) and the short rod (10) are positioned between the protection plate (2) and the support rod; the long rod (9) and the short rod (10) are kept vertical, and the length of the long rod (9) is longer than that of the short rod (10); the lower end of the long rod (9) is hinged with the lower end of the short rod (10); a slotted hole (11) is arranged at the upper end of the long rod (9), and the slotted hole (11) at the upper end of the long rod (9) is sleeved outside the positioning rod (4) at the same side; the upper end of the short rod (10) is hinged with the supporting rod through a hinging rod;
A vertical chute (7) is respectively arranged at the upper end and the lower end of the end face of one side of the support rod, which faces the protection plate (2), and a notch (8) is arranged at the lower end of the chute (7) in the direction facing the outer side of the lifting table (1); one end of the positioning rod (4) far away from the protection plate (2) is inserted into a chute (7) at the upper end of the support rod at the same side; the lower ends of the end surfaces of the two sides of the protection plate (2) are respectively fixedly provided with a bearing block (5), one end, far away from the protection plate (2), of the bearing block (5) is fixedly provided with a sliding rod (6), and one end, far away from the bearing block (5), of the sliding rod (6) is inserted into a sliding groove (7) at the lower end of the supporting rod on the same side;
A rotating rod (13) is rotatably arranged at the lower end of the end face of one side of the supporting rod, which faces the protection plate (2), and a vertical sliding rod (12) is fixedly arranged at one end, far away from the supporting rod, of the rotating rod (13); a vertical plug hole is formed in the bearing block (5), and the sliding rod (12) vertically upwards penetrates through the plug hole in the bearing block (5); an annular baffle (14) is fixedly arranged on the outer side of the sliding rod (12); a spring (15) is sleeved on the outer side of the sliding rod (12) between the baffle (14) and the bearing block (5), and the upper end and the lower end of the spring (15) are fixedly connected with the bearing block (5) and the baffle (14) respectively; because of the upward resilience force of the spring (15), the end parts of the positioning rod (4) and the sliding rod (6) are positioned at the top ends of the inner parts of the upper sliding groove (7) and the lower sliding groove (7), and the protection plate (2) is positioned at the highest position;
A group of blocking sheets (16) are respectively arranged on the end surfaces of the two sides of the protection plate (2), and the blocking sheets (16) are respectively contacted with the outer side surfaces of the long rods (9) or the short rods (10) on the same side; a U-shaped clamping rod (32) is arranged between the protection plate (2) and the connecting rod above, the opening of the U-shaped clamping rod (32) faces to the outside, one end of the U-shaped clamping rod (32) is rotationally connected with the connecting rod above, and the other end of the U-shaped clamping rod (32) is in sliding connection with the upper end of the protection plate (2);
Two square containing windows (21) which are arranged left and right are respectively arranged on the front protection plate (2) and the rear protection plate (2), and a containing assembly is respectively arranged in each containing window (21); the storage assembly comprises an upper rotating plate (22), a lower rotating plate (23), a fixed seat (25), a connecting seat (24) and a cylindrical pin (26); a vertical upper rotating plate (22) and a vertical lower rotating plate (23) are respectively arranged in each containing window (21), and the lower edge of the upper rotating plate (22) is hinged with the upper edge of the lower rotating plate (23) through a hinge; the protection plates (2) on two sides of the lower edge of the lower rotating plate (23) are respectively provided with a fixed seat (25), and a cylindrical pin (26) is rotatably arranged in the fixed seat (25); two sides of the lower edge of the lower rotating plate (23) are respectively fixedly provided with a connecting seat (24), and one end of the cylindrical pin (26) far away from the fixed seat (25) is respectively fixedly inserted into the connecting seat (24); a vertical lug (29) is fixedly arranged at the lower side of one end of the cylindrical pin (26) far away from the connecting seat (24), and the lug (29) is kept in a horizontal state;
The second locking mechanism comprises a limiting rod (28), a connecting seat (24), a cylindrical pin (26), a movable seat (27) and a bolt (31); two sides of the upper edge of the upper rotating plate (22) are respectively and fixedly provided with a connecting seat (24), and a cylindrical pin (26) is respectively and fixedly inserted into each connecting seat (24); a movable seat (27) is respectively arranged on the protection plates (2) at the two sides of the lower edge of the upper rotating plate (22) in a sliding way, and the movable seat (27) slides along the vertical direction; a cylindrical pin (26) is fixedly inserted into the sliding seat; a vertical limiting rod (28) is arranged between the two cylindrical pins (26) on the same side, and two ends of the limiting rod (28) are respectively hinged with the cylindrical pins (26) of the connecting seat (24) and the cylindrical pins (26) of the movable seat (27);
a locking hole is arranged at the upper end face of the upper rotating plate (22), a bolt (31) is downwards screwed at the upper end face of the protection plate (2), and the tip of the bolt (31) is inserted into the locking hole at the upper end of the upper rotating plate (22).
2. The electrical service lifting device of claim 1, wherein: the frame (17) is of a plate-shaped structure which is horizontally arranged, four rotatable wheels are arranged on the frame (17), and a vertical supporting rod is respectively arranged at four corners of the frame (17) in a rotating way; one end of the bearing rod, which is far away from the frame (17), is provided with a vertical threaded hole, a vertical threaded rod (19) is screwed in the threaded hole, and the lower end of the threaded rod (19) is fixedly provided with a supporting leg (20).
3. The electrical service lifting device of claim 1, wherein: the support frame (3) comprises four vertical support rods and four horizontal connecting rods, the four support rods are respectively and fixedly arranged at four corners of the table top of the lifting table (1), and one connecting rod is fixedly arranged between the upper ends of any two adjacent support rods; the protection plate (2) is of a square plate-shaped structure which is vertically arranged, the protection plate (2) is arranged between two adjacent support rods, and the edge of the upper end of the protection plate (2) is located below the connecting rods.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410389165.6A CN117963783B (en) | 2024-04-02 | 2024-04-02 | Electric power overhauls elevating gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410389165.6A CN117963783B (en) | 2024-04-02 | 2024-04-02 | Electric power overhauls elevating gear |
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| Publication Number | Publication Date |
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| CN117963783A CN117963783A (en) | 2024-05-03 |
| CN117963783B true CN117963783B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN117963783A (en) | 2024-05-03 |
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