CN111422796A - Manned lift platform of block terminal fortune dimension - Google Patents
Manned lift platform of block terminal fortune dimension Download PDFInfo
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- CN111422796A CN111422796A CN202010338009.9A CN202010338009A CN111422796A CN 111422796 A CN111422796 A CN 111422796A CN 202010338009 A CN202010338009 A CN 202010338009A CN 111422796 A CN111422796 A CN 111422796A
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- 238000012423 maintenance Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 10
- 230000009975 flexible effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000009194 climbing Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- B66F11/042—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 actuated by lazy-tongs mechanisms or articulated levers
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Abstract
The invention provides a distribution box maintenance manned lifting platform which comprises a movable and adjustable positioning base, a scissor type supporting mechanism movably arranged on the base, an operating platform fixedly arranged at the upper end of the scissor type supporting mechanism, a guardrail detachably arranged on the operating platform, a foldable tool rack arranged on the guardrail, a hydraulic oil cylinder arranged on the scissor type supporting mechanism and used for driving the scissor type supporting mechanism to do telescopic action so as to lift or retract the operating platform, and a manual hydraulic pump fixedly arranged on the operating platform and used for providing hydraulic power for the hydraulic oil cylinder. Compared with the prior art, the invention can save operation and maintenance manpower, improve the safety of ascending operation of operation and maintenance personnel, is convenient for loading, transportation and field setting, is simple to operate and is beneficial to improving the operation and maintenance work efficiency.
Description
Technical Field
The invention relates to the technical field of auxiliary tools for power grid operation and maintenance, in particular to a manned lifting platform for operation and maintenance of a distribution box.
Background
The comprehensive distribution box is an important component in a rural power distribution network, and during the use and operation process of the distribution box, fixed-point maintenance or repair during fault needs to be carried out on the distribution box. According to relevant regulations, the installation height of the rural power grid distribution box is limited to be not less than 2 meters from the bottom of the distribution box to the ground, so that the distribution box can be operated by a climbing tool. Present commonly used ascending apparatus is for propping ladder and bamboo ladder, though convenient operation when ladder class ascending apparatus uses, but its problem that exists is: firstly, when climbing a height, the ladder-type tools have poor safety and stability, so that another worker escalator is needed to ensure the safety in order to ensure the personal safety of the climbing operators; its two, the fortune dimension personnel that ascend a height and operate the block terminal need carry a large amount of operation tools, can only put a large amount of instruments on one's body in the saddlebag usually, and the eminence is turned over and is looked for work inconvenience during the use, influences work efficiency. Therefore, it is necessary to develop a more suitable tool for ascending height in operation and maintenance of the distribution box.
Disclosure of Invention
The purpose of the invention is: the utility model provides a block terminal fortune dimension manned lift platform solves the technical problem that exists among the aforementioned prior art.
The technical scheme of the invention is as follows: the invention discloses a manned lifting platform for operation and maintenance of a distribution box, which is structurally characterized in that: including portable and adjustable positioning's base, movably locate the scissors fork supporting mechanism on the above-mentioned base, the fixed operating platform who locates above-mentioned scissors fork supporting mechanism upper end, guardrail on the above-mentioned operating platform is located to detachably, locate collapsible instrument frame on the above-mentioned guardrail, locate and be used for driving on the above-mentioned scissors fork supporting mechanism and cut the hydraulic cylinder that fork supporting mechanism does flexible action in order to raise or withdraw operating platform to and fix and locate the manual hydraulic pump that is used for providing hydraulic power for above-mentioned hydraulic cylinder on the above-mentioned operating platform.
The further scheme is as follows: the base comprises a main beam, a telescopic beam, an adjustable supporting leg, a universal wheel, a heightening reinforcing beam, a head sealing plate, a roller supporting beam and a pin connector; the main beams, the heightening reinforcing beams and the roller supporting beam are respectively provided with 2 telescopic beams, the end sealing plate is provided with 2 telescopic beams, the telescopic beams are provided with 4 adjustable supporting legs, 1 adjustable supporting leg is fixedly arranged at the outer end of each telescopic beam, 1 telescopic beam is detachably arranged at each of two ends of each main beam of the 4 telescopic beams, 1 universal wheel is fixedly arranged at each of two sides of the lower end of each main beam, 1 heightening reinforcing beam is fixedly arranged at each of the upper ends of the 2 main beams, and 1 end sealing plate is fixedly arranged at each of the outer sides of the upper ends of the 2 heightening reinforcing beams; the roller supporting beams are provided with roller moving grooves, the two ends of each roller supporting beam are vertically connected with and welded with the inner sides of the two ends of the 2 head plates and the upper sides of the two ends of the 2 heightening reinforcing beams respectively, and the roller moving grooves of the 2 roller supporting beams are oppositely arranged; the pin joint spare is equipped with 2, 2 pin joint spares respectively with 1 both ends medial surface of end board and the both sides up end welding of the reinforcing beam 15 that increases of same side.
The further scheme is as follows: the main beam, the telescopic beam and the heightening reinforcing beam are hollow square pipe pieces, pin holes for connection are arranged on the main beam and the telescopic beam, and the telescopic beam and the main beam are spliced and are pinned and positioned by a matched positioning pin during installation; the roller supporting beam is a strip-shaped structural member integrally formed by an upper plate, a lower plate and a side plate, and a roller moving groove is formed by a space surrounded by the upper plate, the lower plate and the side plate of the roller supporting beam; the pin joint piece comprises 2 lug plates with pin holes and 1 connecting pin, and the pin joint piece is welded with the head plate and the heightening reinforcing beam through the 2 lug plates with the pin holes.
The further scheme is as follows: the adjustable supporting leg comprises a screw rod nut, a screw rod, a supporting block and a rotating handle, the screw rod is in threaded fit connection with the screw rod nut, and the rotating handle and the supporting block are fixedly arranged at the upper end and the lower end of the screw rod respectively; the adjustable supporting leg is welded with the outer end of the telescopic beam through a screw nut of the adjustable supporting leg.
The further scheme is as follows: the scissor type supporting mechanism comprises a first supporting arm, a second supporting arm, a first connecting rod, a second connecting rod, a pin shaft, a roller and a hydraulic cylinder connecting piece; the first support arm and the second support arm are both strip-shaped plate pieces, a pin hole for connection is formed in the middle of the first support arm and the second support arm along the length direction, a second pin hole for connection is further formed in the lower end of the first support arm, the first support arm and the second support arm are respectively provided with 2 support arms with the same structure, the lower ends of the 2 support arms are respectively movably connected with the 1 pin connection piece of the base in a pin mode, and two ends of the first connection rod are respectively fixedly connected with the inner end faces of the lower sides of the 2 support arms; two ends of the second connecting rod are respectively fixedly connected with the inner end surfaces of the lower sides of the 2 second supporting arms, the middle parts of the 2 first supporting arms and the 2 second supporting arms are respectively movably connected with a pin shaft in a pin joint mode, the 2 first supporting arms and the 2 second supporting arms are respectively arranged in parallel, the 2 first supporting arms are positioned on the inner sides of the 2 second supporting arms, and the 2 first supporting arms and the 2 second supporting arms form 2X-shaped cross structures; the outer sides of the lower ends of the 2 second supporting arms are respectively provided with 1 roller, and the 2 rollers can be respectively arranged in the roller movable grooves of the 2 roller supporting beams of the base in a rolling manner; the pneumatic cylinder connecting piece comprises 2 connecting plates and 1 connecting axle, and the pneumatic cylinder connecting piece respectively fixedly sets up 1 on the middle part left side of second connecting rod and the middle part right side of round pin axle.
The further scheme is as follows: the operation platform comprises a main board, edge protection plates fixedly arranged on the periphery of the upper end face of the main board, and guardrail plug sockets fixedly arranged on the upper end faces of 4 corners of the main board; the lower end face of the main board of the operating platform is welded with the upper ends of the 2 first supporting arms and the 2 second supporting arms of the scissor type supporting mechanism.
The further scheme is as follows: the guardrail comprises a long-side guardrail and a short-side guardrail, wherein the long-side guardrail consists of 2 vertical rods and more than 3 transverse rods, and the structure of the short-side guardrail is the same as that of the long-side guardrail; the long-side guardrail and the short-side guardrail are respectively detachably arranged on the operation platform by 2 vertical rods and corresponding guardrail inserting seats on the main board after being inserted and then fastened by screws.
The further scheme is as follows: the foldable tool rack comprises a tool table, a first hinge shaft, a second hinge shaft and a supporting rod; the tool table is a cuboid box-shaped part with an opening at the upper end, the tool table is hinged with a transverse rod at the upper end through a first hinge shaft and a short-edge guardrail, one end of a supporting rod is hinged with a transverse rod in the middle through a second hinge shaft and a short-edge guardrail, and the other end of the supporting rod is connected with a supporting rod inserting sleeve fixedly arranged on the lower end face of the tool table in an inserting mode.
The further scheme is as follows: the hydraulic oil cylinder is provided with a cylinder body and a piston rod; the cylinder body of the hydraulic cylinder is fixedly connected with a hydraulic cylinder connecting piece arranged on the left side of the middle part of the second connecting rod of the scissor-fork type supporting mechanism; and a piston rod of the hydraulic oil cylinder is fixedly connected with a hydraulic cylinder connecting piece arranged on the right side of the middle part of the pin shaft of the scissor-fork type supporting mechanism.
The invention has the positive effects that: (1) the distribution box operation and maintenance manned lifting platform provides a new ascending tool for distribution box operation and maintenance, and the operation and maintenance can be completed by only 1 person through the integral structure design, so that the distribution box operation and maintenance manned lifting platform needs 1 additional escalator to ensure safety compared with a ladder type ascending tool adopted in the prior art, and 1 person of labor can be saved. (2) According to the manned lifting platform for operation and maintenance of the distribution box, the foldable tool rack with the tool table is arranged, so that different operation and maintenance tools can be conveniently placed and taken when the distribution box is operated and maintained, compared with the prior art that operation and maintenance personnel carry tools with a tool bag, the manned lifting platform for operation and maintenance of the distribution box is more convenient and safer, and the operation and maintenance work efficiency can be effectively improved. (3) According to the distribution box operation and maintenance manned lifting platform, the detachable telescopic beam with the adjustable supporting legs and the detachable guardrails are arranged, so that the overall stability and safety of the platform can be improved when the platform is used, the occupied space of the platform can be greatly reduced when the platform is transported, and the platform is convenient to load and transport. (4) According to the manned lifting platform for operation and maintenance of the distribution box, the universal wheels are arranged below the base, so that the lifting platform is convenient to move when the distribution box is loaded and unloaded.
Drawings
Fig. 1 is an overall perspective view of the present invention.
The reference numbers in the above figures are as follows:
the device comprises a base 1, a main beam 11, a telescopic beam 12, a positioning pin 12-1, an adjustable leg support 13, a screw rod nut 13-1, a screw rod 13-2, a supporting block 13-3, a rotary handle 13-4, a universal wheel 14, a heightening reinforcing beam 15, a head plate 16, a roller supporting beam 17, a roller movable groove 17-1 and a pin joint 18;
the scissor type support mechanism 2 comprises a first support arm 21, a second support arm 22, a first connecting rod 23, a second connecting rod 24, a pin shaft 25, a roller 26 and a hydraulic cylinder connecting piece 27;
the operation platform 3, the main board 31 and the edge protection board 32;
guardrail 4, long side guardrail 41, vertical rod 41-1, cross rod 41-2, short side guardrail 42;
a foldable tool holder 5, a tool table 51, a first hinge shaft 52, a second hinge shaft 53, a support rod 54;
a hydraulic oil cylinder 6; a manual hydraulic pump 7 and a pressurizing rod 71.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
(example 1)
Referring to fig. 1, the manned lift platform of block terminal fortune dimension of this embodiment mainly comprises base 1, scissors fork supporting mechanism 2, operation platform 3, guardrail 4, collapsible tool holder 5, hydraulic cylinder 6 and manual hydraulic pump 7.
The base 1 mainly comprises a main beam 11, a telescopic beam 12, an adjustable supporting leg 13, a universal wheel 14, a heightening reinforcing beam 15, a head plate 16, a roller supporting beam 17 and a pin joint 18.
The main beam 11 is a hollow square pipe, a plurality of pin holes for connection and positioning are arranged on two sides of the main beam 11 along the length direction, the main beam 11 is preferably made of stainless steel, and 2 main beams 11 are arranged in parallel; the telescopic girder 12 is a hollow square pipe, the peripheral size of the telescopic girder 12 is matched with the size of a square hole of the main girder 11, one side of the telescopic girder 12 is provided with a plurality of pin holes for connection and positioning, the telescopic girder 12 is respectively inserted and provided with 1 at two ends of each main girder 11, when the telescopic girder 12 needs to be positioned, the main girder 11 and the telescopic girder 12 are in pin joint positioning through the matched positioning pin 12-1, and the material of the telescopic girder 12 is preferably stainless steel. The adjustable supporting leg 13 mainly comprises a screw rod nut 13-1, a screw rod 13-2, a supporting block 13-3 and a rotating handle 13-4, wherein the supporting block 13-3 is a cake-shaped structural part, the screw rod 13-2 is in threaded fit connection with the screw rod nut 13-1, and the rotating handle 13-4 and the supporting block 13-3 are respectively and fixedly arranged at the upper end and the lower end of the screw rod 13-2; the adjustable supporting legs 13 are provided with 4 same in structure, and 1 adjustable supporting leg 13 is respectively arranged at the outer ends of the 4 adjustable supporting legs 13 and the outer ends of the 4 telescopic beams 12 through the screw rod nuts 13-1. The universal wheels 14 are commercially available parts, and 1 universal wheel 14 is fixedly arranged below each main beam 11 and is totally 4. Heightening reinforcing beam 15 is a hollow square pipe fitting, the length of heightening reinforcing beam 15 is less than that of main beam 11, the width of heightening reinforcing beam 15 is the same as that of main beam 11, the material of heightening reinforcing beam 15 is preferably stainless steel, and heightening reinforcing beam 15 is respectively and fixedly arranged 1 on the upper end surfaces of 2 main beams 11. The end sealing plate 16 is a steel rectangular plate, the length of the end sealing plate 16 is the same as that of the heightening reinforcing beams 15, and 1 end sealing plate 16 is fixedly arranged outside the upper ends of the 2 heightening reinforcing beams 15. The roller supporting beam 17 is a long strip-shaped structural member which is integrally formed by an upper plate, a lower plate and side plates, the cross section of the long strip-shaped structural member is U-shaped after being turned over by an angle of 90 degrees, a space formed by the upper plate, the lower plate and the side plates of the roller supporting beam 17 in an enclosing mode forms a roller moving groove 17-1, the roller supporting beam 17 is provided with 2 roller supporting beams with the same structure, the 2 roller supporting beams 17 are respectively vertically connected and welded with the inner sides of the two ends of the 2 head sealing plates 16 and the upper sides of the two ends of the 2 heightening reinforcing beams 15 through the two ends of the 2 roller supporting beams 17, and the; the pin connecting piece 18 consists of 2 lug plates with pin holes and 1 connecting pin; the pin connectors 18 are provided with 2 same structures, and the 2 pin connectors 18 are respectively welded with the inner sides of two ends of the head plate 16 on the left side and the upper end surfaces of two sides of the heightening reinforcing beam 15 on the left side through 2 lug plates provided with pin holes.
The scissor type support mechanism 2 mainly comprises a first support arm 21, a second support arm 22, a first connecting rod 23, a second connecting rod 24, a pin shaft 25, a roller 26 and a hydraulic cylinder connecting piece 27.
The first support arm 21 and the second support arm 22 are strip-shaped plate members, pin holes for connection are formed in the middle of the first support arm 21 and the second support arm 22 along the length direction, second pin holes for connection are further formed in the lower end of the first support arm 21, the first support arm 21 and the second support arm 22 are respectively provided with 2 support arms with the same structure, the lower ends of the 2 support arms 21 are respectively movably connected with 1 pin connector 18 of the base 1 in a pin mode, and two ends of the first connecting rod 23 are respectively fixedly connected with the inner end faces of the lower sides of the 2 support arms 21; the both ends of second connecting rod 24 respectively with 2 second support arm 22's downside inner end face fixed connection, 2 first support arm 21 and 2 second support arm 22's middle part respectively with the mobile pin joint of round pin axle 25, 2 first support arm 21 and 2 second support arm 22 are parallel arrangement respectively, and 2 first support arm 21 are located 2 second support arm 22's inboards, 2 first support arm 21 and 2 second support arm 22 constitute 2 and are X-shaped cross structure, also can call scissors formula structure. The rollers 26 are respectively provided with 1 at the outer sides of the lower ends of the 2 second supporting arms 22, and the 2 rollers 26 are respectively arranged in the roller movable grooves 17-1 of the 2 roller supporting beams 17 of the base 1 and can roll in the roller movable grooves 17-1 of the roller supporting beams 17. Pneumatic cylinder connecting piece 27 comprises 2 connecting plates and 1 connecting axle, and pneumatic cylinder connecting piece 27 is equipped with 2, and wherein 1 pneumatic cylinder connecting piece 27 is fixed and is located the middle part left side of second connecting rod 24, and 1 pneumatic cylinder connecting piece 27 is fixed and is located the middle part right side of round pin axle 25 in addition.
The operating platform 3 mainly comprises a rectangular main board 31 and edge protection boards 32 fixedly arranged on the periphery of the upper end face of the main board 31; the purpose of the edge guard 32 is to increase the safety of the maintenance personnel when standing on the main board 31. The upper end surfaces of 4 corners of the main board 31 are provided with guard rail plug sockets. The operation platform 3 is welded with the upper ends of the 2 first supporting arms 21 and the 2 second supporting arms 22 by the lower end surface of the main plate 31.
The guardrail 4 comprises a long-side guardrail 41 and a short-side guardrail 42, the long-side guardrail 41 consists of 2 vertical rods 41-1 and more than 3 transverse rods 41-2, and the structure of the short-side guardrail 42 is basically the same as that of the long-side guardrail; guardrail 4 detachably sets up in operation platform 3's rear side and right side top, specifically, and long limit guardrail 41 and minor face guardrail 42 are located operation platform 3's rear side and right side top respectively, and long limit guardrail 41 and minor face guardrail 42 are fastened by its 2 montants and mainboard 31 on corresponding guardrail plug socket again screw after pegging graft respectively. Guardrail 4 adopts detachable construction, and aim at reduces the loading volume of this platform to fortune dimension vehicle loading is convenient for.
The foldable tool rack 5 mainly comprises a tool table 51, a first hinge shaft 52, a second hinge shaft 53 and a support rod 54; the tool table 51 is a cuboid box-shaped member with an opening at the upper end, the length of the tool table 51 is adapted to the width of the short-side guardrail 42, the tool table 51 is hinged with a transverse rod at the upper end of the short-side guardrail 42 through a first hinge shaft 52, one end of a support rod 54 is hinged with a transverse rod in the middle of the short-side guardrail 42 through a second hinge shaft 53, and the other end of the support rod 54 is inserted into a support rod insertion sleeve (not shown) fixedly arranged on the lower end face of the tool table 51. The foldable tool rack 5 adopts a foldable structure, and aims to reduce the loading volume of the platform so as to facilitate loading of the operation and maintenance vehicle.
The hydraulic oil cylinder 6 is a commercially available part, the hydraulic oil cylinder 6 adopts a single piston cylinder piston type hydraulic oil cylinder, and the hydraulic oil cylinder 6 is provided with a cylinder body and a piston rod; the body of the hydraulic oil cylinder 6 is fixedly connected with a hydraulic cylinder connecting piece 27 arranged on the left side of the middle part of the second connecting rod 24; a piston rod of the hydraulic oil cylinder 6 is fixedly connected with a hydraulic cylinder connecting piece 27 arranged on the right side of the middle part of the pin shaft 25,
the manual hydraulic pump 7 is a commercially available component, the manual hydraulic pump 7 is fixedly provided on the left side of the upper end of the operation platform 3, and the manual hydraulic pump 7 has a pressurizing rod 71 and a pressure-releasing pedal (not shown in the figure). The manual hydraulic pump 7 is connected with the hydraulic oil cylinder 6 through an oil pipe (not shown in the figure) and provides hydraulic power for the hydraulic oil cylinder 6.
The block terminal fortune dimension manned lift platform of this embodiment, its usage profile is as follows:
in the distribution box operation and maintenance manned lifting platform, in the vehicle-mounted transportation process, the scissor-type supporting mechanism 2 is in a downward folding state, the operating platform 3 is basically attached to the upper part of the base 1, and the foldable tool rack 5 is folded on one side of the short-side guardrail 42; 4 flexible roof beams 12 and 4 adjustable landing legs 13 are in the detached state with base 1 to make the platform of this embodiment wholly take up an area of a little, accomodate the transportation in making things convenient for the car. After the operation and maintenance task is executed and the operation and maintenance task reaches the destination, all the components are detached from the vehicle, the base 1 is moved to a proper position on the ground below a distribution box to be operated and maintained by using the universal wheels 14, 4 telescopic beams 12 are respectively inserted into the two ends of 2 main beams 11, the telescopic beams 12 are connected with the main beams 11 by using the positioning pins 12-1 after the position is adjusted, then the screw rods 13-2 are driven by using the rotating handles 13-4 of the adjustable supporting legs 13 to rotate, so that the supporting blocks 13-3 are stably and reliably contacted with the ground, then the guardrails 4 are connected with the operation platform 3 in an inserting mode and fixed by using screws, then the foldable tool rack 5 is supported, the operation and maintenance tool is placed on the tool table 51, then the operation platform 3 on the operation and maintenance personnel station, the pressurizing rods 71 of the manual hydraulic pump 7 are stepped, the piston rods of the hydraulic oil cylinders 6 are pressed to extend upwards, the operation platform 3 is gradually jacked upwards by the upward extension, when the operation and maintenance personnel reach the proper height, the operation and maintenance personnel stop treading the pressurizing rod 71 of the manual hydraulic pump 7, and then the operation and maintenance operation on the distribution box can be carried out. After the assembly is finished, the operation and maintenance personnel pedal a pressure release pedal of the manual hydraulic pump 7 to enable a piston rod of the hydraulic oil cylinder 6 to do retraction movement, the operation platform 3 gradually descends to the initial position, the operation and maintenance personnel walk down the operation platform 3, and then relevant components of the platform are disassembled according to the sequence opposite to the assembly sequence and are loaded.
The above embodiments are illustrative of specific embodiments of the present invention, and are not restrictive of the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention to obtain corresponding equivalent technical solutions, and therefore all equivalent technical solutions should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a block terminal fortune dimension manned lift platform which characterized in that: including portable and adjustable positioning's base, movably locate cut fork supporting mechanism on the base is fixed to be located cut the operation platform of fork supporting mechanism upper end, detachably locates guardrail on the operation platform locates collapsible instrument frame on the guardrail locates cut fork supporting mechanism and go up to be used for driving and cut fork supporting mechanism and do flexible action in order to raise or withdraw operation platform's hydraulic cylinder to and fixed locating operation platform is last to be used for hydraulic cylinder provides hydraulic power's manual hydraulic pump.
2. The distribution box operation and maintenance manned lifting platform of claim 1, characterized in that: the base comprises a main beam, a telescopic beam, an adjustable supporting leg, a universal wheel, a heightening reinforcing beam, a head sealing plate, a roller supporting beam and a pin connector; the main beams, the heightening reinforcing beams and the roller supporting beam are respectively provided with 2 telescopic beams, the end sealing plate is provided with 2 telescopic beams, the telescopic beams are provided with 4 adjustable supporting legs, 1 adjustable supporting leg is fixedly arranged at the outer end of each telescopic beam, 1 telescopic beam is detachably arranged at each of two ends of each main beam of the 4 telescopic beams, 1 universal wheel is fixedly arranged at each of two sides of the lower end of each main beam, 1 heightening reinforcing beam is fixedly arranged at each of the upper ends of the 2 main beams, and 1 end sealing plate is fixedly arranged at each of the outer sides of the upper ends of the 2 heightening reinforcing beams; the roller supporting beams are provided with roller moving grooves, the two ends of each roller supporting beam are vertically connected with and welded with the inner sides of the two ends of the 2 head plates and the upper sides of the two ends of the 2 heightening reinforcing beams respectively, and the roller moving grooves of the 2 roller supporting beams are oppositely arranged; the pin joint spare is equipped with 2, 2 pin joint spares respectively with 1 both ends medial surface of end board and the both sides up end welding of the reinforcing beam 15 that increases of same side.
3. The distribution box operation and maintenance manned lifting platform of claim 2, characterized in that: the main beam, the telescopic beam and the heightening reinforcing beam are all hollow square pipe pieces, pin holes for connection are arranged on the main beam and the telescopic beam, and the telescopic beam and the main beam are spliced and are pinned and positioned by a matched positioning pin during installation; the roller supporting beam is a strip-shaped structural member integrally formed by an upper plate, a lower plate and a side plate, and a roller moving groove is formed by a space surrounded by the upper plate, the lower plate and the side plate of the roller supporting beam; the pin joint piece comprises 2 lug plates with pin holes and 1 connecting pin, and the pin joint piece is welded with the head plate and the heightening reinforcing beam through the 2 lug plates with the pin holes.
4. The distribution box operation and maintenance manned lifting platform of claim 2, characterized in that: the adjustable supporting leg comprises a screw rod nut, a screw rod, a supporting block and a rotating handle, the screw rod is in threaded fit connection with the screw rod nut, and the rotating handle and the supporting block are fixedly arranged at the upper end and the lower end of the screw rod respectively; the adjustable supporting leg is welded with the outer end of the telescopic beam through a screw nut of the adjustable supporting leg.
5. The distribution box operation and maintenance manned lifting platform of claim 2, characterized in that: the scissor type supporting mechanism comprises a first supporting arm, a second supporting arm, a first connecting rod, a second connecting rod, a pin shaft, a roller and a hydraulic cylinder connecting piece; the first support arm and the second support arm are both strip-shaped plate pieces, pin holes for connection are formed in the middles of the first support arm and the second support arm along the length direction, second pin holes for connection are further formed in the lower end of the first support arm, the first support arm and the second support arm are respectively provided with 2 support arms with the same structure, the lower ends of the 2 support arms are respectively movably connected with 1 pin connection piece of the base in a pin mode, and two ends of the first connecting rod are respectively fixedly connected with the inner end faces of the lower sides of the 2 support arms; two ends of the second connecting rod are respectively fixedly connected with the inner end surfaces of the lower sides of the 2 second supporting arms, the middle parts of the 2 first supporting arms and the 2 second supporting arms are respectively movably connected with a pin shaft in a pin joint mode, the 2 first supporting arms and the 2 second supporting arms are respectively arranged in parallel, the 2 first supporting arms are positioned on the inner sides of the 2 second supporting arms, and the 2 first supporting arms and the 2 second supporting arms form 2X-shaped cross structures; the outer sides of the lower ends of the 2 second supporting arms are respectively provided with 1 roller, and the 2 rollers can be respectively arranged in the roller movable grooves of the 2 roller supporting beams of the base in a rolling manner; the pneumatic cylinder connecting piece comprises 2 connecting plates and 1 connecting axle, and the pneumatic cylinder connecting piece respectively fixedly sets up 1 on the middle part left side of second connecting rod and the middle part right side of round pin axle.
6. The distribution box operation and maintenance manned lifting platform of claim 5, characterized in that: the operation platform comprises a main board, edge protection plates fixedly arranged on the periphery of the upper end face of the main board, and guardrail plug sockets fixedly arranged on the upper end faces of 4 corners of the main board; the operation platform is welded with the upper ends of the 2 first supporting arms and the 2 second supporting arms of the scissor type supporting mechanism through the lower end face of the main board of the operation platform.
7. The distribution box operation and maintenance manned lifting platform of claim 6, characterized in that: the guardrail comprises a long-side guardrail and a short-side guardrail, the long-side guardrail consists of 2 vertical rods and more than 3 transverse rods, and the structure of the short-side guardrail is the same as that of the long-side guardrail; the long-side guardrail and the short-side guardrail are respectively detachably arranged on the operation platform by 2 vertical rods and corresponding guardrail inserting seats on the main board after being inserted and then fastened by screws.
8. The distribution box operation and maintenance manned lifting platform of claim 7, characterized in that: the foldable tool rack comprises a tool table, a first hinge shaft, a second hinge shaft and a supporting rod; the tool table is a cuboid box-shaped part with an opening at the upper end, the tool table is hinged with a transverse rod at the upper end of the short-edge guardrail through a first hinge shaft, one end of a supporting rod is hinged with a transverse rod in the middle of the short-edge guardrail through a second hinge shaft, and the other end of the supporting rod is connected with a supporting rod inserting sleeve fixedly arranged on the lower end face of the tool table in an inserting mode.
9. The distribution box operation and maintenance manned lifting platform of claim 5, characterized in that: the hydraulic oil cylinder is provided with a cylinder body and a piston rod; the cylinder body of the hydraulic cylinder is fixedly connected with a hydraulic cylinder connecting piece arranged on the left side of the middle part of the second connecting rod of the scissor type supporting mechanism; and a piston rod of the hydraulic oil cylinder is fixedly connected with a hydraulic cylinder connecting piece arranged on the right side of the middle part of the pin shaft of the scissor-fork type supporting mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010338009.9A CN111422796A (en) | 2020-04-26 | 2020-04-26 | Manned lift platform of block terminal fortune dimension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010338009.9A CN111422796A (en) | 2020-04-26 | 2020-04-26 | Manned lift platform of block terminal fortune dimension |
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| CN111422796A true CN111422796A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010338009.9A Pending CN111422796A (en) | 2020-04-26 | 2020-04-26 | Manned lift platform of block terminal fortune dimension |
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| CN112523489A (en) * | 2020-12-09 | 2021-03-19 | 昆山恒升建筑工程有限公司 | Equipment and construction process for factory building high-altitude steel cable delivery piping construction |
| CN112576021A (en) * | 2020-12-11 | 2021-03-30 | 广东凤明建设工程有限公司 | Integrated aluminum alloy suspended ceiling mounting equipment |
| CN113057083A (en) * | 2021-03-25 | 2021-07-02 | 张德可 | Auxiliary transplanting device for forestry nursery stocks |
| CN113501475A (en) * | 2021-06-30 | 2021-10-15 | 杭叉集团股份有限公司 | Electric overturning platform |
| GB2599996B (en) * | 2020-10-16 | 2023-07-26 | David Brown Michael | Height adjustable platform |
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Application publication date: 20200717 |
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