CN113356554A - Telescopic construction aerial ladder for lower well of elevator shaft operating platform - Google Patents
Telescopic construction aerial ladder for lower well of elevator shaft operating platform Download PDFInfo
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- CN113356554A CN113356554A CN202110554481.0A CN202110554481A CN113356554A CN 113356554 A CN113356554 A CN 113356554A CN 202110554481 A CN202110554481 A CN 202110554481A CN 113356554 A CN113356554 A CN 113356554A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000007787 solid Substances 0.000 claims abstract description 34
- 230000009194 climbing Effects 0.000 claims abstract description 20
- 230000035515 penetration Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 241000282326 Felis catus Species 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/08—Scaffold boards or planks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/10—Steps or ladders specially adapted for scaffolds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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Abstract
The invention discloses a telescopic construction aerial ladder for a shaft at the lower part of an elevator shaft operating platform, and relates to the technical field of elevator shaft construction. The climbing ladder comprises an operating platform, a climbing ladder and an auxiliary supporting rod, wherein the climbing ladder is fixedly connected to the bottom surface of one side of the operating platform, the lower ends of two vertical telescopic rods in the climbing ladder are fixedly connected with a stop block, the auxiliary supporting rod which is obliquely arranged is detachably matched between the stop block and the operating platform, and the climbing ladder also comprises a movable pedal and an adjusting rod; the vertical telescopic rod comprises solid columns and through pipes, the solid columns and the through pipes are alternately arranged, and the solid columns are sleeved in the adjacent through pipes in a sliding manner; fixed cover on the middle part lateral wall of solid post has been connected with first connecting ring, and two are the fixed footboard of fixedly connected with between the first connecting ring of horizontal parallel. According to the invention, through the matching arrangement of the spiral groove and the spiral guide strip, the height of the vertical telescopic rod in the vertical direction can be adjusted, and meanwhile, the device is convenient to disassemble and carry and also convenient to fix the operation table.
Description
Technical Field
The invention belongs to the technical field of elevator shaft construction, and particularly relates to a telescopic construction aerial ladder for a shaft at the lower part of an elevator shaft operating platform, which is mainly used for assisting in climbing in elevator shaft construction.
Background
In the modern building industry, high-rise buildings are more and more, elevators become an indispensable part of the high-rise buildings, an elevator shaft is a through passage, the elevator shaft belongs to high-altitude operation in the construction process, and an operating platform needs to be erected in the shaft when workers construct the elevator shaft so as to facilitate the construction operation of the workers in the shaft;
CN 205955165U-an elevator shaft operating platform, as in the prior publication, discloses a platform, a vertical ladder and diagonal braces, characterized in that: the platform includes the rectangle or the square steel frame that is welded into by a plurality of platform longerons (2) and a plurality of platform crossbeam (3), and the vertical ladder includes the steel cat ladder that two parallel cat ladder vertical shelves (5) and a plurality of cat ladder crosspiece (6) welded into, and the diagonal brace is the channel-section steel of two parallels, and the one end of diagonal brace is welded firmly in cat ladder vertical shelves (5) bottom, and the other end of diagonal brace is welded firmly with the below middle part of one side platform crossbeam (3) of platform. The utility model discloses an elevartor shaft operation platform and method of buildding have elevartor shaft operation platform simple structure, preparation convenience, improve construction safety protection, and operation platform can seal the elevartor shaft totally and prevent the advantage that falls the people and weigh down the thing.
The operation platform disclosed in the above publication can effectively improve the safety protection of workers, but the above publication has the following disadvantages in practical use:
1. the vertical ladder for the operating platform in the prior publication is fixedly arranged, so that when a worker uses the vertical ladder, the height of the platform cannot be adjusted, and the worker is troublesome to construct the position below the platform;
2. the whole operation platform in the prior publication is fixedly arranged, so that the operation platform is inconvenient for workers to disassemble and carry, and the carrying of the whole operation platform is inconvenient;
3. when the operating platform in the prior publication is fixed, the platform is fixed by pre-embedding a positioning device in a hoistway and matching with a fixing piece on the platform, which causes the installation of the platform to be troublesome;
therefore, there is a need for improvement of the prior art to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a telescopic construction aerial ladder for a lower well of an elevator shaft operating platform, which has the advantages of adjustable platform height, convenient overall transportation and convenient platform installation and fixation, and solves the problems of inconvenient height adjustment, inconvenient overall transportation and troublesome overall fixation and installation of the existing operating platform in use.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a telescopic construction scaling ladder for a shaft at the lower part of an elevator shaft operating platform, which comprises an operating platform, a climbing ladder and auxiliary supporting rods, wherein the climbing ladder is fixedly connected to the bottom surface of one side of the operating platform;
the vertical telescopic rod comprises solid columns and through pipes, the solid columns and the through pipes are alternately arranged, and the solid columns are sleeved in the adjacent through pipes in a sliding manner;
the outer side wall of the middle part of the solid column is fixedly sleeved with a first connecting ring, a fixed pedal is fixedly connected between the two horizontally parallel first connecting rings, the outer side wall of the middle part of the through pipe is fixedly sleeved with a second connecting ring, a fixed lug is integrally formed on the side wall of the second connecting ring, and a movable pedal is movably matched between the two horizontally parallel fixed lugs;
spiral grooves are symmetrically formed in the outer walls of the solid columns on the two sides of the first connecting ring, and spiral guide strips which are in clearance fit with the spiral grooves are arranged on the inner walls of the through pipes;
one side of each vertical telescopic rod is provided with an adjusting rod in parallel, and the adjusting rod penetrates through a plurality of first connecting rings and movable pedals which are alternately arranged in a sliding manner.
According to the improvement of the invention, under the condition that a worker pulls the adjusting rod by taking the vertical telescopic rod as an axis, the through pipes on the same vertical telescopic rod can rotate relative to the solid column, and because the spiral grooves on the solid column and the spiral guide strips on the adjacent through pipes are arranged in a clearance fit manner, the through pipes can rotate under the action of pulling the adjusting rod by the worker, so that the through pipes can move up and down relative to the solid column, and the whole height can be freely adjusted.
Further, the spiral number of turns of spiral recess and spiral gib block equals, and the spiral number of turns of spiral recess is less than or equal to half a circle.
Furthermore, one side of the first connecting ring, which is close to the fixed pedal, is concentrically provided with a first semicircular through groove, and meanwhile, the stop block is provided with a second semicircular through groove which is aligned with the first semicircular through groove up and down.
Furthermore, the first semicircular through groove and the second semicircular through groove are used for the adjusting rod to slide through, an external thread is arranged on the outer wall of the lower end of the adjusting rod, and a first locking nut is spirally matched on the external thread above the stop block.
Furthermore, the movable pedal comprises a connecting part, a first connecting plate and a second connecting plate, and the connecting part is integrally formed on one end surface of the first connecting plate, which is relatively far away from the second connecting plate;
a U-shaped groove with one open end is formed in the second connecting plate and used for placing the first connecting plate; the first connecting plate is provided with a limiting groove with two closed ends;
the inner wall of one end of the opening of the U-shaped groove is provided with a limiting column, and the limiting column is in clearance fit in the limiting groove;
the bottom surface of the connecting part is fixedly connected with an inserting column which is inserted into the fixing lug in a sliding and inserting way.
Furthermore, the inserting column is concentrically provided with a through hole, and the through hole is used for the sliding penetration of the adjusting rod.
Furthermore, the auxiliary supporting rod comprises a supporting plate, a screw rod and a connecting block, and one ends, far away from each other, of the supporting plate and the connecting block are fixedly connected with the connecting rod through fixing plates;
a screw rod is arranged on the other end face, opposite to the connecting block provided with the connecting rod, of the connecting block, the screw rod is sleeved in a blind groove in the supporting plate in a sliding mode, and a second locking nut is matched on the screw rod on the outer side of the supporting plate in a spiral mode;
the connecting rod is inserted in the first fixing block or/and the second fixing block in a sliding manner;
first fixed block fixed connection is on the bottom surface of operation panel, and second fixed block fixed connection is on the side of dog simultaneously.
Furthermore, a baffle is fixedly connected to the bottom surface of the stop block, and the baffle and the second fixed block are respectively located on two sides of the second semicircular through groove.
As a further improvement of the invention, the upper end and the lower end of the vertical telescopic rod are respectively provided with a solid column, the top surface of the solid column at the upper end of the vertical telescopic rod is fixedly connected with an installation plate, and four corners of the installation plate are respectively provided with an installation hole which is used for being matched and fixed with a bolt on the bottom surface of the operation table.
Through the improvement, the vertical telescopic rod and the operating platform are convenient to detach and mount, and the telescopic shape of the vertical telescopic rod can be folded into a smaller length after the vertical telescopic rod is detached, so that the whole carrying is convenient.
As another further improvement of the invention, rectangular grooves with openings at the upper ends are symmetrically arranged on two sides of the top surface of the operating platform, spiral inserting rods are symmetrically arranged in the rectangular grooves, one ends of the spiral inserting rods are fixedly connected with hexagonal blocks, the other ends of the spiral inserting rods are integrally formed with pointed parts, and one ends provided with the pointed parts spirally penetrate through the operating platform and extend to the outer side of the operating platform;
the spiral inserted bar is arranged in parallel with the fixed pedal.
Through the improvement, when the operating platform is fixed, workers only need to rotate the spiral insertion rod to feed the sharp head part on the spiral insertion rod outwards, and the sharp head part is inserted and combined on the side wall of the well, so that the fixing is realized.
The invention has the following beneficial effects:
1. according to the invention, the through pipes on the same vertical telescopic rod can rotate relative to the solid column under the condition that the adjusting rod is pulled by taking the vertical telescopic rod as an axis, because the spiral grooves on the solid column are in clearance fit with the spiral guide strips on the adjacent through pipes, the through pipes can rotate under the action of pulling the adjusting rod by a worker, so that the through pipes can move up and down relative to the solid column, the whole height can be freely adjusted, after the height adjustment is completed, the worker supports the upper end of the adjusting rod on the bottom surface of the operating platform and rotates the first locking nut downwards to realize the whole fixation of the adjusting rod, the instability of the platform caused by the self-transmission of the through pipes is avoided, the height adjustment of the operating platform in a certain range can be realized by the arrangement, and the sufficient construction of the well by the worker is facilitated.
2. According to the invention, through the matched and fixed arrangement of the mounting holes and the bolts on the mounting plate, when the device is carried, only the adjusting rod needs to be rotated, so that the vertical telescopic rod is completely in a contraction state, a worker rotates the nut on the bolt to realize the separation between the operating platform and the vertical telescopic rod, and the worker sequentially detaches the adjusting rod, the movable pedal and the auxiliary supporting rod, so that the whole device can be detached and carried conveniently.
3. According to the invention, through the arrangement of the spiral insertion rod, after the height of the operating platform is adjusted, the hexagonal block on the spiral insertion rod is rotated through a tool, so that the spiral insertion rod is fed to the outer side of the operating platform, and the pointed end is inserted and combined on the inner wall of the well, so that the fixing of the operating platform is realized.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the FIG. 1 structure of the present invention;
FIG. 3 is a schematic structural view of a connecting body of the vertical telescopic rod and the block of the present invention;
FIG. 4 is a schematic view of the mating of two solid posts in the present invention;
FIG. 5 is a schematic structural view of a pipe in the present invention;
FIG. 6 is a perspective view of the through pipe of the present invention;
FIG. 7 is a schematic view of the movable pedal of the present invention;
FIG. 8 is an exploded view of the movable step of the present invention;
FIG. 9 is a schematic view of the structure of the adjusting lever of the present invention;
FIG. 10 is a schematic view of the auxiliary support rod according to the present invention;
FIG. 11 is an exploded view of the auxiliary support pole of the present invention;
FIG. 12 is a ready-to-assemble view of the console and screw insert of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an operation table; 2. a movable pedal; 3. a vertical telescopic rod; 4. adjusting a rod; 5. a stopper; 6. an auxiliary support bar; 7. a spiral inserted link; 101. a rectangular groove; 102. a bolt; 103. a first fixed block; 201. a connecting portion; 202. a first connecting plate; 203. a second connecting plate; 301. a solid column; 302. pipe passing; 303. mounting a plate; 401. an external thread; 402. a first lock nut; 501. a baffle plate; 502. a second semicircular through groove; 503. a second fixed block; 601. a support plate; 602. a screw shaft; 603. connecting blocks; 604. a fixing sheet; 605. a connecting rod; 701. a hexagonal block; 702. a tip portion; 2011. inserting a column; 2012. a through hole; 2021. a limiting groove; 2031. a U-shaped groove; 2032. a limiting column; 3011. a first connecting ring; 3012. a first semicircular through groove; 3013. fixing the pedal; 3014. a spiral groove; 3021. a second connection ring; 3022. fixing the ear; 3023. a helical guide strip; 3031. mounting holes; 6011. a blind groove; 6021. and a second lock nut.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, the telescopic construction scaling ladder for the lower well of the elevator shaft operating platform comprises an operating platform 1, a climbing ladder and an auxiliary support rod 6, wherein the climbing ladder is fixedly connected to the bottom surface of one side of the operating platform 1, the lower ends of two vertical telescopic rods 3 in the climbing ladder are fixedly connected with a stop block 5, the auxiliary support rod 6 which is obliquely arranged is detachably matched between the stop block 5 and the operating platform 1, and the climbing ladder further comprises a movable pedal 2 and an adjusting rod 4; as can be seen from the attached drawings, the components form the basic composition of the device, the climbing ladder is used for climbing workers to the operation platform 1, the auxiliary support rod 6 is used for forming a triangle together with the operation platform 1 and the climbing ladder, and the stability of the whole device is improved.
Referring to fig. 3-6, the vertical telescopic rod 3 comprises solid columns 301 and through pipes 302, wherein the solid columns 301 and the through pipes 302 are alternately arranged, and the solid columns 301 are slidably sleeved in the adjacent through pipes 302;
the outer side wall of the middle part of the solid column 301 is fixedly sleeved with a first connecting ring 3011, a fixed pedal 3013 is fixedly connected between the two horizontally parallel first connecting rings 3011, the outer side wall of the middle part of the through pipe 302 is fixedly sleeved with a second connecting ring 3021, a fixed lug 3022 is integrally formed on the side wall of the second connecting ring 3021, a movable pedal 2 is movably matched between the two horizontally parallel fixed lugs 3022, and the fixed pedal 3013 and the movable pedal 2 are alternately arranged and used for climbing of workers;
the outer walls of the solid columns 301 on two sides of the first connecting ring 3011 are symmetrically provided with spiral grooves 3014, the inner wall of the through pipe 302 is provided with spiral guide strips 3023 which are in clearance fit with the spiral grooves 3014, the spiral turns of the spiral grooves 3014 and the spiral guide strips 3023 are equal, and the spiral turns of the spiral grooves 3014 are less than or equal to half a turn, so that the arrangement prevents the movable pedal 2 from being installed in a matching manner due to an overlarge rotation angle of the through pipe 302, and the spiral turns of the spiral grooves 3014 are less than or equal to half a turn, and the through pipe 302 can be completely contracted and expanded relative to the solid columns 301 under the action of rotation of less than or equal to half a turn;
one side of each vertical telescopic rod 3 is provided with an adjusting rod 4 in parallel, and the adjusting rod 4 slides to penetrate through a plurality of first connecting rings 3011 and movable pedals 2 which are alternately arranged;
when the device is used, a worker firstly coordinates the movable pedal 2 on the second connecting ring 3021, inserts the adjusting rod 4 into the first connecting ring 3011 and the movable pedal 2 which are alternately arranged, and after the operation is completed, the worker pulls the adjusting rod 4 to realize synchronous rotation of the through pipe 302 on the same vertical telescopic rod 3, and under the matched action of the spiral groove 3014 and the spiral guide strip 3023, the through pipe 302 can be moved and adjusted in the vertical direction.
Referring to fig. 3, 4 and 9, a first semicircular through groove 3012 is concentrically formed in one side of the first connecting ring 3011, which is close to the fixed pedal 3013, and a second semicircular through groove 502 is vertically aligned with the first semicircular through groove 3012 on the stopper 5, and the first semicircular through groove 3012 and the second semicircular through groove 502 are provided to facilitate normal pulling of the adjusting lever 4 and to limit and guide movement of the adjusting lever 4;
the first semicircular through groove 3012 and the second semicircular through groove 502 are used for the adjusting rod 4 to slide through, an external thread 401 is arranged on the outer wall of the lower end of the adjusting rod 4, and a first locking nut 402 is screwed on the external thread 401 above the stop block 5;
above-mentioned setting is when using, and after vertical telescopic link 3 expandes corresponding height, the staff rotates first lock nut 402 downwards, makes the upper end of adjusting pole 4 support close on the bottom surface of operation panel 1, and the setting of adjusting pole 4 can realize that the location after 3 altitude mixture control of vertical telescopic link is accomplished is fixed, improves the stability of operation panel 1.
Referring to fig. 1 and 7-8, the movable pedal 2 includes a connecting portion 201, a first connecting plate 202 and a second connecting plate 203, wherein the connecting portion 201 is integrally formed on one end surface of the first connecting plate 202 and the second connecting plate 203;
a U-shaped groove 2031 with one open end is arranged on the second connecting plate 203, and the U-shaped groove 2031 is used for placing the first connecting plate 202; the first connecting plate 202 is provided with a limit groove 2021 with two closed ends;
a limiting column 2032 is arranged on the inner wall of one end of the U-shaped groove 2031, and the limiting column 2032 is in clearance fit with the limiting groove 2021;
the bottom surface of the connecting part 201 is fixedly connected with a plug 2011, and the plug 2011 is inserted into the fixing lug 3022 in a sliding manner;
a through hole 2012 is concentrically arranged at the position of the plug 2011, and the through hole 2012 is used for the sliding penetration of the adjusting rod 4;
when the arrangement is used, when the through pipe 302 rotates, the fixing lug 3022 starts to rotate, under the action of the rotation of the fixing lug 3022, the first connecting plate 202 and the second connecting plate 203 slide relatively, and the insert column 2011 slides in the through hole 2012, so that the through pipe 302 is ensured to normally rotate while the fit between the movable pedal 2 and the fixing lug 3022 is ensured.
Referring to fig. 1, 10 and 11, the auxiliary supporting rod 6 includes a supporting plate 601, a screw rod 602 and a connecting block 603, and the relatively far ends of the supporting plate 601 and the connecting block 603 are fixedly connected to a connecting rod 605 through a fixing plate 604;
a lead screw 602 is arranged on the other end face of the connecting block 603 provided with the connecting rod 605, the lead screw 602 is sleeved in a blind groove 6011 on the supporting plate 601 in a sliding manner, and a second locking nut 6021 is screwed on the lead screw 602 outside the supporting plate 601;
the connecting rod 605 is slidably inserted into the first fixing block 103 or/and the second fixing block 503, and the arrangement is convenient for the installation and the disassembly of the auxiliary supporting rod 6;
the first fixed block 103 is fixedly connected to the bottom surface of the operating table 1, and the second fixed block 503 is fixedly connected to one side surface of the stop block 5;
the bottom surface of the stop block 5 is also fixedly connected with a baffle 501, the baffle 501 and a second fixed block 503 are respectively positioned at two sides of the second semicircular through groove 502, and the baffle 501 is arranged to be clamped at the lower end of the opening position of the shaft to realize the positioning and fixing of the stop block 5;
above-mentioned setting is when using, through connecting rod 605 slip insert in first fixed block 103 or/and the second fixed block 503 setting, can realize auxiliary stay 6's fixed mounting, the setting in the blind groove 6011 of lead screw 602 slip cup joint on backup pad 601, can be according to vertical telescopic link 3 height adjustment after, carry out corresponding adjustment to auxiliary stay 6's length, after the adjustment is accomplished, only need twist second lock nut 6021, can be in order to realize the auxiliary stay 6 location after the height adjustment.
Referring to fig. 3 and 12, the upper end and the lower end of the vertical telescopic rod 3 are both provided with solid columns 301, the top surface of the solid column 301 at the upper end of the vertical telescopic rod 3 is fixedly connected with a mounting plate 303, four corners of the mounting plate 303 are provided with mounting holes 3031, the mounting holes 3031 are used for being matched and fixed with the bolts 102 on the bottom surface of the operation table 1, and the arrangement facilitates the detachment and installation between the vertical telescopic rod 3 and the operation table 1.
Referring to fig. 2 and 12, rectangular grooves 101 with openings at upper ends are symmetrically formed on two sides of the top surface of the operating platform 1, spiral insertion rods 7 are symmetrically arranged in the rectangular grooves 101, a hexagonal block 701 is fixedly connected to one end of each spiral insertion rod 7, a pointed portion 702 is integrally formed at the other end of each spiral insertion rod 7, and one end provided with the pointed portion 702 spirally penetrates through the operating platform 1 and extends to the outer side of the operating platform 1;
the spiral inserting rods 7 are arranged in parallel with the fixed pedal 3013, and the arrangement avoids the situation that when the height is adjusted, the spiral inserting rods 7 are suspended at the opening of the shaft due to the fact that the spiral inserting rods 7 on one side are opposite to the opening of the shaft, and the positioning between the spiral inserting rods 7 and the inner wall of the shaft cannot be achieved;
when the device is used, after the height of the operating platform 1 is adjusted, a worker rotates the hexagonal block 701 through a tool, so that the pointed head 702 on the spiral inserting rod 7 can be fed to the outer side of the operating platform 1, and the pointed head 702 is inserted into the well wall to be fixed.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (10)
1. Elevartor shaft operation platform lower part well is with scalable construction aerial ladder, including operation panel (1), climbing ladder and auxiliary stay pole (6), climbing ladder fixed connection is on the bottom surface of operation panel (1) one side, the equal fixedly connected with dog (5) of lower extreme of two vertical telescopic links (3) in the climbing ladder, and detachable cooperation has auxiliary stay pole (6) that are the slope setting between dog (5) and operation panel (1), its characterized in that: the climbing ladder also comprises a movable pedal (2) and an adjusting rod (4);
the vertical telescopic rod (3) comprises solid columns (301) and through pipes (302), the solid columns (301) and the through pipes (302) are arranged alternately, and the solid columns (301) are sleeved in the adjacent through pipes (302) in a sliding mode;
the outer side wall of the middle part of the solid column (301) is fixedly sleeved with a first connecting ring (3011), a fixed pedal (3013) is fixedly connected between the two horizontally parallel first connecting rings (3011), the outer side wall of the middle part of the through pipe (302) is fixedly sleeved with a second connecting ring (3021), the side wall of the second connecting ring (3021) is integrally formed with a fixed lug (3022), and a movable pedal (2) is movably matched between the two horizontally parallel fixed lugs (3022);
spiral grooves (3014) are symmetrically formed in the outer wall of the solid column (301) on two sides of the first connecting ring (3011), and spiral guide strips (3023) which are in clearance fit with the spiral grooves (3014) are arranged on the inner wall of the through pipe (302);
one side of each vertical telescopic rod (3) is provided with an adjusting rod (4) in parallel, and the adjusting rods (4) slide and penetrate through a plurality of first connecting rings (3011) and movable pedals (2) which are alternately arranged.
2. The telescopic construction aerial ladder for the lower well of the elevator shaft operating platform as claimed in claim 1, wherein the number of spiral turns of the spiral groove (3014) and the spiral guide strip (3023) is equal, and the number of spiral turns of the spiral groove (3014) is equal to or less than half of a turn.
3. The telescopic construction aerial ladder for the lower shaft of the elevator shaft operating platform as claimed in claim 1, wherein a first semicircular through groove (3012) is concentrically formed at one side of the first connecting ring (3011) close to the fixed pedal (3013), and a second semicircular through groove (502) is formed at the stopper (5) in vertical alignment with the first semicircular through groove (3012).
4. The telescopic construction aerial ladder for the lower shaft of the elevator shaft operating platform is characterized in that the first semicircular through groove (3012) and the second semicircular through groove (502) are used for allowing the adjusting rod (4) to slide through, an external thread (401) is arranged on the outer wall of the lower end of the adjusting rod (4), and a first locking nut (402) is spirally matched on the external thread (401) above the stop block (5).
5. The telescopic construction aerial ladder for the lower well of the elevator shaft operating platform is characterized in that the movable pedal (2) comprises a connecting part (201), a first connecting plate (202) and a second connecting plate (203), and the connecting part (201) is integrally formed on one end surface of the first connecting plate (202) and the second connecting plate (203) which are relatively far away;
a U-shaped groove (2031) with one open end is arranged on the second connecting plate (203), and the U-shaped groove (2031) is used for placing the first connecting plate (202); the first connecting plate (202) is provided with a limit groove (2021) with two closed ends;
a limiting column (2032) is arranged on the inner wall of one end of the opening of the U-shaped groove (2031), and the limiting column (2032) is in clearance fit in the limiting groove (2021);
the bottom surface of the connecting part (201) is fixedly connected with an inserting column (2011), and the inserting column (2011) is inserted in the fixing lug (3022) in a sliding way.
6. The telescopic construction aerial ladder for the lower part of the elevator shaft operating platform is characterized in that the inserting columns (2011) are concentrically provided with through holes (2012), and the through holes (2012) are used for the sliding penetration of the adjusting rods (4).
7. The telescopic construction aerial ladder for the lower well of the elevator shaft operating platform as claimed in claim 1, wherein the auxiliary support bar (6) comprises a support plate (601), a screw rod (602) and a connecting block (603), and one end of the support plate (601) and the other end of the connecting block (603) which are relatively far are fixedly connected with the connecting rod (605) through a fixing plate (604);
a lead screw (602) is arranged on the other end face of the connecting block (603) opposite to the connecting rod (605), the lead screw (602) is sleeved in a blind groove (6011) on the supporting plate (601) in a sliding manner, and a second locking nut (6021) is matched on the lead screw (602) on the outer side of the supporting plate (601) in a spiral manner;
the connecting rod (605) is inserted in the first fixing block (103) or/and the second fixing block (503) in a sliding way;
the first fixing block (103) is fixedly connected to the bottom surface of the operating platform (1), and the second fixing block (503) is fixedly connected to one side surface of the stop block (5).
8. The telescopic construction aerial ladder for the lower shaft of the elevator shaft operating platform as claimed in claim 1, wherein a baffle (501) is further fixedly connected to the bottom surface of the stopper (5), and the baffle (501) and the second fixing block (503) are respectively located at both sides of the second semicircular through groove (502).
9. The telescopic construction aerial ladder for the lower shaft of the elevator shaft operating platform is characterized in that the upper end and the lower end of the vertical telescopic rod (3) are respectively provided with a solid column (301), a mounting plate (303) is fixedly connected to the top surface of the solid column (301) at the upper end of the vertical telescopic rod (3), mounting holes (3031) are respectively formed in four corners of the mounting plate (303), and the mounting holes (3031) are used for being matched and fixed with bolts (102) on the bottom surface of the operating platform (1).
10. The telescopic construction aerial ladder for the lower shaft of the elevator shaft operating platform according to any one of claims 1 to 8, wherein rectangular grooves (101) with an upper end opening are symmetrically arranged on two sides of the top surface of the operating platform (1), spiral inserting rods (7) are symmetrically arranged in the rectangular grooves (101), one ends of the spiral inserting rods (7) are fixedly connected with hexagonal blocks (701), the other ends of the spiral inserting rods (7) are integrally formed with pointed parts (702), and one ends provided with the pointed parts (702) spirally penetrate through the operating platform (1) and extend to the outer side of the operating platform (1);
the spiral inserted bar (7) and the fixed pedal (3013) are arranged in parallel.
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| CN202110554481.0A CN113356554B (en) | 2021-05-21 | 2021-05-21 | Telescopic construction scaling ladder for shaft at lower part of elevator shaft operation platform |
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| CN202110554481.0A CN113356554B (en) | 2021-05-21 | 2021-05-21 | Telescopic construction scaling ladder for shaft at lower part of elevator shaft operation platform |
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| CN113356554B CN113356554B (en) | 2023-12-15 |
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| CN114575737A (en) * | 2022-03-21 | 2022-06-03 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in construction of assembled structure |
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|---|---|
| CN113356554B (en) | 2023-12-15 |
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