CN115506706A - Track maintenance operation platform - Google Patents
Track maintenance operation platform Download PDFInfo
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- CN115506706A CN115506706A CN202110700343.9A CN202110700343A CN115506706A CN 115506706 A CN115506706 A CN 115506706A CN 202110700343 A CN202110700343 A CN 202110700343A CN 115506706 A CN115506706 A CN 115506706A
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- track
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- 238000012423 maintenance Methods 0.000 title claims abstract description 58
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The utility model relates to a track maintenance work platform, which comprises a base, two telescopic rods, a telescopic ladder and a flexible connecting piece, wherein the base is used for being supported on a track beam, the telescopic rods extend along the vertical direction, the two telescopic rods are oppositely arranged, the bottom of each telescopic rod is fixed on the base, the telescopic ladder comprises two telescopic ladder columns and a plurality of pedals which are oppositely arranged, two ends of each pedal are respectively connected with the two telescopic ladder columns, the bottom of each telescopic ladder column is rotatably hinged on the base, and at least one flexible connecting piece is connected between each telescopic rod and the corresponding telescopic ladder column; wherein, track maintenance work platform has first operating condition, and at first operating condition, the flexible connectors tensioning is between telescopic link and flexible ladder post, and flexible ladder post inclines for the telescopic link.
Description
Technical Field
The utility model relates to an aerial working equipment technical field specifically relates to a track overhauls operation platform.
Background
In the existing rail transit system, various devices such as signal machines, wireless communication devices, axle counting devices and the like are generally installed above and on the side of the rail beam, and when the rail devices are detected and maintained, an operator generally needs to use a ladder on the rail beam. Because the environment complicacy of track roof beam is unfavorable for the installation and the fixed of current ladder, the lateral part of track roof beam does not have the support that is used for supporting the ladder usually, and operating personnel steps on the ladder and can have the potential safety hazard in the in-process of carrying out the operation, especially when overhauing the equipment of track lateral part, and operating personnel need just can be close the equipment that waits to detect to orbital lateral part skew, takes place to empty easily when the focus of ladder takes place to incline for operating personnel is injured.
Disclosure of Invention
The purpose of this disclosure is to provide a track overhauls operation platform to solve the technical problem that exists among the correlation technique.
In order to achieve the above object, the present disclosure provides a track maintenance work platform, including:
the base is used for supporting on the track beam;
the two telescopic rods extend along the vertical direction, the two telescopic rods are arranged oppositely, and the bottom of each telescopic rod is fixed on the base;
the telescopic ladder comprises two telescopic ladder columns and a plurality of pedals which are oppositely arranged, two ends of each pedal are respectively connected with the two telescopic ladder columns, and the bottom of each telescopic ladder column is rotatably hinged to the base;
at least one flexible connecting piece is connected between each telescopic rod and the corresponding telescopic ladder column;
the track maintenance operation platform is provided with a first working state, the flexible connecting piece is tensioned between the telescopic rod and the telescopic ladder posts, and the telescopic ladder posts are inclined relative to the telescopic rod.
Optionally, be connected with the horizontal pole between the top of two the telescopic link, the top of flexible ladder post can unblock ground lock in the horizontal pole, the track overhauls work platform still includes drive arrangement, drive arrangement is used for the drive the telescopic link extension or shorten.
Optionally, a limiting clamping groove is formed in the cross rod and used for being clamped with the top of the telescopic ladder column.
Optionally, each telescopic rod comprises a plurality of telescopic joints with hollow interiors, each two adjacent telescopic joints are movably sleeved with each other, the plurality of telescopic joints of each telescopic rod sequentially comprise a first telescopic joint, a second telescopic joint, a third telescopic joint and a fourth telescopic joint from top to bottom, and the driving device comprises a first hydraulic cylinder, a first pulley, a second pulley, a third pulley, a first pull rope and a second pull rope;
the first hydraulic cylinder comprises a first cylinder body and a first piston rod, the first cylinder body is fixed in the fourth telescopic joint, the first piston rod sequentially penetrates through the third telescopic joint and the second telescopic joint, the third telescopic joint is fixed with the first piston rod, the second telescopic joint is sleeved outside the first piston rod in an empty mode, the first pulley is arranged at one end, far away from the first cylinder body, of the first piston rod, one end of the first stay rope is connected with the fourth telescopic joint, the other end of the first stay rope bypasses the first pulley and is connected with the second telescopic joint, the second pulley and the third pulley are fixed in the second telescopic joint, the second pulley is located at the bottom of the second telescopic joint, the third pulley is located at the top of the second telescopic joint, one end of the second stay rope is connected with the first stay rope, the other end of the second stay rope bypasses the second pulley and is connected with the third telescopic joint, and the first telescopic joint is located with the second stay rope and is connected with the third pulley.
Optionally, every a plurality of telescopic links of telescopic link still include and are located the fifth telescopic joint of fourth telescopic joint below, drive arrangement still includes second hydraulic cylinder, fourth pulley and third stay cord, the second hydraulic cylinder includes second cylinder body and second piston rod, the second cylinder body is fixed in the fifth telescopic joint, the second piston rod upwards wears to locate in proper order the fourth telescopic joint with the third telescopic joint, the fourth telescopic joint with the second piston rod is fixed, the empty cover of third telescopic joint is in outside the second piston rod, the fourth pulley sets up in the third telescopic joint, the one end of third stay cord with the second piston rod is kept away from the one end of second cylinder body is connected, the other end of third stay cord is walked around the fourth pulley and with the fourth telescopic joint is connected.
Optionally, every the telescopic link all includes a plurality of telescopic joints, every adjacent two movably connection between the telescopic joint, every telescopic ladder post includes a plurality of flexible sections, every adjacent two movably connection between the telescopic section, flexible connection's one end connect in rather than corresponding the top of telescopic joint, flexible connection's the other end connect in rather than corresponding the top of telescopic section, the both ends of footboard connect respectively in rather than corresponding two the top of telescopic section.
Optionally, a plurality of flexible connecting pieces are connected between each telescopic rod and the corresponding telescopic ladder column, and the flexible connecting pieces are arranged at intervals in the up-down direction.
Optionally, every flexible ladder post includes a plurality of flexible sections, every adjacent two movably cup joints between the flexible section, every adjacent two be formed with first draw-in groove and second draw-in groove on the flexible section respectively, first draw-in groove with be provided with the jump ring between the second draw-in groove, the jump ring has locking state and unblock state the locking state, the jump ring joint is in first draw-in groove with between the second draw-in groove the unblock state, the jump ring with first draw-in groove with one of the second draw-in groove breaks away from.
Optionally, the track maintenance operation platform still includes stop device, stop device includes the gag lever post that extends along left right direction and is located respectively the stopper at gag lever post both ends, the stopper is followed left right direction movably connect in the gag lever post, the stopper is kept away from the one end of gag lever post be used for with the track roof beam supports the top.
Optionally, the limiting block comprises a limiting main body and a screw rod formed on the limiting main body, a threaded hole is formed in the limiting rod, the screw rod is in threaded connection with the threaded hole, and the limiting main body is formed into a truncated cone shape gradually expanding from the screw rod towards the direction departing from the limiting rod.
Optionally, the track maintenance operation platform further comprises at least one pair of first rollers mounted on the base, and the pair of first rollers are arranged at intervals in the left-right direction and are respectively used for rolling contact with two opposite side walls of the track beam;
the track maintenance operation platform further comprises a second roller arranged on the base, and the second roller is used for being in rolling contact with the ground.
Optionally, the second roller is movably connected to the base and has a storage state in which the second roller moves toward a direction close to the base and a use state in which the second roller moves away from the base.
Optionally, the track maintenance work platform further comprises a handle, the handle is mounted on the base and used for pushing the base to move.
Through above-mentioned technical scheme, when track maintenance work platform was in first operating condition, the extension ladder can keep for the state of telescopic link slope, and the staff can trample on a plurality of pedals of extension ladder, overhauls the equipment of track lateral part eminence. Because the flexible connectors tensioning is between telescopic link and flexible ladder post and for flexible ladder post provides the pulling force, can guarantee that the extension ladder can keep for the stability of telescopic link slope, the track overhauls operation platform's application scene is bigger, and less to the requirement of environment.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a perspective view of a track maintenance work platform provided by an exemplary embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of a telescoping rod of a track maintenance work platform provided in an exemplary embodiment of the present disclosure;
fig. 3 is a front view of an extension ladder of a track maintenance work platform provided in an exemplary embodiment of the present disclosure;
FIG. 4 is an enlarged view of portion "A" of FIG. 3;
fig. 5 is a perspective view of a limiting device of a track maintenance work platform according to an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a base; 11-a first roller; 12-a second roller; 13-a handle; 2, telescopic rods; 21-a cross bar; 211-limit slot; 22-a telescopic joint; 221-a first telescopic joint; 222-a second expansion joint; 223-a third telescopic joint; 224-a fourth expansion joint; 225-a fifth expansion joint; 3, an extension ladder; 31-telescopic ladder posts; 32-a telescopic section; 321-a first card slot; 322-a second card slot; 33-a pedal; 34-a clamp spring; 4-a flexible connector; 5-a drive device; 51-a first hydraulic cylinder; 511-a first cylinder; 512-a first piston rod; 52-second hydraulic cylinder; 521-a second cylinder; 522-a second piston rod; 531 — first pulley; 532-a second pulley; 533-third sheave; 534-a fourth pulley; 541-a first pull rope; 542-a second draw cord; 543-third pulling rope; 55-an oil supply device; 6-a limiting device; 61-a limiting rod; 62-a limiting block; 621-a limiting body; 622-screw.
Detailed Description
The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise stated, the terms of orientation such as "top, bottom, up-down direction, left-right direction" used herein refer to the top, bottom, up-down direction, left-right direction of the track maintenance work platform in the normal use state, and specifically, as shown in fig. 1, "inside and outside" refer to the inside and outside of the profile of the relevant component. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
As shown in fig. 1 to 5, the present disclosure provides a track maintenance work platform, including base 1, two telescopic links 2, extension ladder 3 and flexible connector 4, base 1 is used for supporting on the track roof beam, and telescopic link 2 extends along the upper and lower direction, and two telescopic links 2 set up relatively and the bottom of every telescopic link 2 all is fixed in base 1. Extension ladder 3 is equallyd divide including two extension ladder posts 31 and a plurality of footboard 33 that set up relatively, and the both ends of every footboard 33 are connected with two extension ladder posts 31 respectively, and the bottom of every extension ladder post 31 all rotationally articulates in base 1, is connected with at least one flexible connectors 4 between every telescopic link 2 and the extension ladder post 31 rather than corresponding. Wherein, track overhauls operation platform has first operating condition, and at first operating condition, flexible connectors 4 tensioning is between telescopic link 2 and flexible ladder post 31, and flexible ladder post 31 inclines for telescopic link 2.
When using above-mentioned track to overhaul work platform to overhaul, track is overhauld work platform and can be supported on the track roof beam through base 1, telescopic link 2 and extension ladder 3 that are located on base 1 all set up to scalable, be connected with flexonics spare 4 between telescopic link 2 and the flexible ladder post 31, when track is overhauld work platform and is in first operating condition, telescopic link 2 and extension ladder 3 all are in the extension state, thereby it rotates around the bottom for telescopic link 2 slope to articulate in base 1's flexible ladder post 31, the tensioning of flexonics spare 4 is between telescopic link 2 and flexible ladder post 31, provide the pulling force for flexible ladder post 31, so that extension ladder 3 can maintain the state for telescopic link 2 slope steadily, thereby be convenient for operating personnel overhauls the equipment of track roof beam oblique top.
Through above-mentioned technical scheme, when track overhauls work platform was in first operating condition, extension ladder 3 can keep the state for the inclination of telescopic link 2, and operating personnel can trample on a plurality of pedals 33 of extension ladder 3, overhauls the equipment of track top to one side. And because flexible connectors 4 tensioning is between telescopic link 2 and flexible ladder post 31 and for flexible ladder post 31 provides the pulling force, can guarantee that extension ladder 3 can keep for the stability of the 2 slopes of telescopic link, the track overhauls operation platform's application scene is bigger, and less to the requirement of environment.
The telescopic rod 2 and the telescopic ladder 3 can be extended or shortened, and the telescopic rod 2 and the telescopic ladder 3 can be manually driven by an operator or driven by the driving device 5. In an exemplary embodiment, the track maintenance work platform may further include a telescopic rod driving device for driving the telescopic rod 2 to extend or contract and a telescopic ladder driving device for driving the telescopic ladder 3 to extend or contract.
In order to simplify the structure of the track maintenance work platform, as another exemplary embodiment, a cross bar 21 may be connected between the tops of the two telescopic rods 2, the tops of the telescopic ladder posts 31 may be locked to the cross bar 21 in an unlocked manner, and the track maintenance work platform further includes a driving device 5, and the driving device 5 is used for driving the telescopic rods 2 to extend or shorten. Because the top of flexible ladder post 31 sets up to the locking of unlockable ground in horizontal pole 21, operating personnel can lock the top of flexible ladder post 31 on horizontal pole 21 earlier, uses foretell drive arrangement 5 drive telescopic link 2 extension or shorten again, at the in-process that telescopic link 2 extension or shortened, horizontal pole 21 along with telescopic link 2 moves in the upper and lower direction, and effort power can be applyed to the top of flexible ladder post 31 to horizontal pole 21 orders about flexible ladder post 31 extension or shortens. That is to say, under the condition that the top of flexible ladder post 31 is locked in horizontal pole 21, drive arrangement 5 can drive telescopic link 2 and flexible ladder post 31 extension simultaneously and shorten to need not to set up solitary drive arrangement for flexible ladder post 31, can reduce drive arrangement's quantity, simplify track maintenance work platform's structure and weight, practice thrift manufacturing cost. When it is desired to use the telescopic ladder column 31, the operator may unlock the telescopic ladder column 31 from the crossbar 21.
In the above embodiment, the top of the telescopic ladder post 31 is locked to the cross bar 21 in an unlocking manner, the structure of the cross bar 21 capable of achieving the above functions may be various, and as an exemplary embodiment, a limiting clamping groove 211 may be formed on the cross bar 21, and the limiting clamping groove 211 is used for being clamped with the top of the telescopic ladder post 31, so that the top of the telescopic ladder post 31 is locked and fixed to the cross bar 21, and it is ensured that the cross bar 21 can drive the telescopic ladder 3 to extend or shorten.
As another exemplary embodiment, a pin structure may be provided on the cross bar 21, and the top of the telescopic ladder column 31 may be formed with a receiving groove capable of partially receiving the pin, and when the top of the telescopic ladder column 31 is brought into contact with the cross bar 21, the pin partially slides into the inside of the receiving groove, and the remaining portion of the pin is coupled with the cross bar 21, thereby restricting relative movement between the cross bar 21 and the telescopic ladder column 31 and releasably locking the top of the telescopic ladder column 31 to the cross bar 21.
As an exemplary embodiment, as shown in fig. 2, each telescopic rod 2 includes a plurality of telescopic joints 22 with hollow interiors, each two adjacent telescopic joints 22 are movably sleeved between each other, the plurality of telescopic joints 22 of each telescopic rod 2 sequentially includes a first telescopic joint 221, a second telescopic joint 222, a third telescopic joint 223 and a fourth telescopic joint 224 from top to bottom, and the driving device 5 includes a first hydraulic cylinder 51, a first pulley 531, a second pulley 532, a third pulley 533, a first pull rope 541 and a second pull rope 542; the first hydraulic cylinder 51 comprises a first cylinder body 511 and a first piston rod 512, the first cylinder body 511 is fixed in a fourth telescopic joint 224, the first piston rod 512 penetrates through a third telescopic joint 223 and a second telescopic joint 222 upwards in sequence, the third telescopic joint 223 is fixed with the first piston rod 512, the second telescopic joint 222 is sleeved outside the first piston rod 512 in a hollow mode, a first pulley 531 is arranged at one end, far away from the first cylinder body 511, of the first piston rod 512, one end of a first pull rope 541 is connected with the fourth telescopic joint 224, the other end of the first pull rope 541 bypasses the first pulley 531 and is connected with the second telescopic joint 222, a second pulley 532 and a third pulley 533 are fixed in the second telescopic joint 222, the second pulley 532 is located at the bottom of the second telescopic joint 222, the third pulley 533 is located at the top of the second telescopic joint 222, one end of the second pull rope 542 is connected with the first pull rope 541, the other end bypasses the second pulley 532, the third pulley 533 and is connected with the third telescopic joint 223 in sequence, and the first telescopic joint 221, the second pull rope 533 is located between the second pulley 542 and the third pulley 532.
In the above embodiment, the first cylinder 511 is fixed in the fourth telescopic joint 224, the first piston rod 512 is fixed with the third telescopic joint 223, and in the process that the first cylinder 511 and the first piston rod 512 are away from each other, the third telescopic joint 223 moves up relative to the fourth telescopic joint 224, because the first pulley 531 is disposed at the end of the first piston rod 512 away from the first cylinder 511, one end of the first rope 541 is connected with the fourth telescopic joint 224, and the other end of the first rope 541 passes around the first pulley 531 and is connected with the second telescopic joint 222, in the process that the first cylinder 511 and the first piston rod 512 are away from each other, the first pulley 531 moves in the direction away from the fourth telescopic joint 224, and the first rope 541 rotates relative to the end of the first pulley 531 close to the fourth telescopic joint 224, so that the connection position of the first rope 541 and the second telescopic joint 222 moves up, thereby driving the second telescopic joint 222 to move up relative to the third telescopic joint 223.
Because one end of the second rope 542 sequentially passes around the second pulley 532 and the third pulley 533 and is connected to the third telescopic joint 223, the first telescopic joint 221 and a portion of the second rope 542 located between the second pulley 532 and the third pulley 533 are connected, when the second telescopic joint 222 moves upward relative to the third telescopic joint 223, the second rope 542 rotates in a direction close to the third telescopic joint 223 relative to the second pulley 532, so that the end of the second rope 542 close to the first telescopic joint 221 moves upward relative to the second pulley 532, thereby driving the first telescopic joint 221 to move upward relative to the second telescopic joint 222. Further, since one end of the second rope 542 is wound around the second pulley 532 and connected to the first rope 541, the second rope 542 can apply a tensile force to the second telescopic joint 222 in a state where the second rope 542 is tensioned, and thus the position of the second telescopic joint 222 can be stabilized.
In the above embodiment, by combining the pulley rope pulling structure, the four telescopic joints can be driven to extend and retract by one first hydraulic cylinder 51, so that the number of the hydraulic cylinders can be reduced, the structure of the track maintenance operation platform is simplified, the whole weight is reduced, and the cost is saved.
In practical applications, the telescopic rod 2 may have more than four telescopic joints 22, the number of the telescopic joints 22 is related to the composition of the driving device 5 of the telescopic rod 2, optionally, as shown in fig. 2, the plurality of telescopic joints 22 of each telescopic rod 2 further include a fifth telescopic joint 225 located below the fourth telescopic joint 224, the driving device 5 further includes a second hydraulic cylinder 52, a fourth pulley 534, and a third pull rope 543, the second hydraulic cylinder 52 includes a second cylinder 521 and a second piston rod 522, the second cylinder 521 is fixed in the fifth telescopic joint 225, the second piston rod 522 is sequentially inserted through the fourth telescopic joint 224 and the third telescopic joint 223 upwards, the fourth telescopic joint 224 is fixed with the second piston rod 522, the third telescopic joint 223 is sleeved outside the second piston rod 522, the fourth pulley 534 is arranged in the third telescopic joint 223, one end of the third pull rope 543 is connected with one end of the second piston rod 522 far from the second cylinder 521, and the other end of the third pull rope 543 passes around the fourth pulley 534 and is connected with the fourth telescopic joint 224.
The second cylinder 521 is fixed in the fifth telescopic joint 225, the fourth telescopic joint 224 is fixed to the second piston rod 522, and the fourth telescopic joint 224 can move up relative to the fifth telescopic joint 225 in the process of relative movement between the second cylinder 521 and the second piston rod 522. Because one end of the third pulling rope 543 is connected to one end of the second piston rod 522, which is far from the second cylinder 521, and the other end of the third pulling rope 543 passes around the fourth pulley 534 and is connected to the fourth telescopic joint 224, when the third telescopic joint 223, the fourth telescopic joint 224 and the fifth telescopic joint 225 are in an extended state, the third pulling rope 543 is in a tensioned state, and can provide an upward pulling force for the fourth pulley 534, thereby further maintaining the stability of the third telescopic joint 223.
In the above-mentioned embodiment, the first hydraulic cylinder 51 includes the first cylinder body 511 and the first piston rod 512, the second hydraulic cylinder 52 includes the second cylinder body 521 and the second piston rod 522, the first hydraulic cylinder 51 and the second hydraulic cylinder 52 both adopt a hydraulic driving manner, and in order to facilitate the arrangement of the first hydraulic cylinder 51 and the second hydraulic cylinder 52, oil supply devices of the first hydraulic cylinder 51 and the second hydraulic cylinder 52 may be disposed outside the telescopic rod 2, as shown in fig. 1, optionally, the driving device 5 may further include an oil supply device 55, the oil supply device 55 may include an oil supply tank and an oil pump, and the oil supply device 55 may supply oil to the first hydraulic cylinder 51 and the second hydraulic cylinder 52 through an oil supply pipeline communicated with the first hydraulic cylinder 51 and the second hydraulic cylinder 52. The present disclosure is not limited to the specific structures and connection manners of the first hydraulic cylinder 51, the second hydraulic cylinder 52, and the oil supply device 55.
Furthermore, in order to avoid the flexible connecting member 4 and the pedal 33 from obstructing the shortening of the telescopic rods 2 and the telescopic ladder 3, optionally, as shown in fig. 1, each telescopic rod 2 comprises a plurality of telescopic sections 22, each two adjacent telescopic sections 22 are movably connected with each other, each telescopic ladder column 31 comprises a plurality of telescopic sections 32, each two adjacent telescopic sections 32 are movably connected with each other, one end of the flexible connecting member 4 is connected to the top of the telescopic section 22 corresponding to the flexible connecting member, the other end of the flexible connecting member 4 is connected to the top of the telescopic section 32 corresponding to the flexible connecting member, and two ends of the pedal 33 are respectively connected to the tops of the two telescopic sections 32 corresponding to the pedal. The telescopic link 2 is in the in-process that shortens, and adjacent telescopic joint 22 on the telescopic link 2 overlaps each other and establishes to make the whole length of telescopic link 2 reduce, flexible connection spare 4 is connected in telescopic joint 22's top, can avoid flexible connection spare 4 and telescopic joint 22 to produce the interference. And at the in-process that telescopic ladder post 31 shortens, adjacent flexible section 32 on the telescopic ladder post 31 can overlap each other and establish to make telescopic ladder post 31's whole length reduce, flexible connection spare 4 is connected in the top of flexible section 32, can avoid flexible connection spare 4 and flexible section 32 to produce the interference, the both ends of footboard 33 are connected respectively in the top rather than two flexible sections 32 that correspond, can avoid footboard 33 flexible section 32 to produce the interference.
Optionally, a plurality of flexible connecting members 4 are connected between each telescopic rod 2 and the corresponding telescopic ladder column 31, and the plurality of flexible connecting members 4 are arranged at intervals in the up-down direction. The tensioning of flexible connectors 4 provides pulling force for flexible ladder 31 between telescopic link 2 and flexible ladder 31, and a plurality of flexible connectors 4 can improve the stability and the fastness of extension ladder 3. Simultaneously, operating personnel can hang the safety rope on flexible connectors 4 when climbing on extension ladder 3, further guarantees operating personnel's safety.
Alternatively, the flexible linkage 4 may be a wire rope, a pull rope, a chain, or the like.
For avoiding when operating personnel tramples pedal 33, lead to extension ladder 3 withdrawal, as shown in fig. 3 and fig. 4, every extension ladder post 31 can include a plurality of flexible sections 32, movably cup joint between every two adjacent flexible sections 32, be formed with first draw-in groove 321 and second draw-in groove 322 on every two adjacent flexible sections 32 respectively, be provided with jump ring 34 between first draw-in groove 321 and the second draw-in groove 322, jump ring 34 has locking state and unblock state, at the locking state, jump ring 34 joint is between first draw-in groove 321 and second draw-in groove 322, thereby restrict first draw-in groove 321 and second draw-in groove 322 and take place relative movement, guarantee two adjacent flexible sections 32 can be in stable state, guarantee operating personnel when trampling pedal 33, can not make extension ladder post 31 withdrawal, security when improving the equipment and overhauing. And in the unblock state, jump ring 34 breaks away from with one in first draw-in groove 321 and the second draw-in groove 322, and relative movement can take place for first draw-in groove 321 and second draw-in groove 322, and two adjacent flexible sections 32 can overlap and establish to make extension ladder 3 can shorten, the track of being convenient for overhauls accomodating and removing of work platform.
In the above embodiment, the manner of switching the circlip 34 between the locked state and the unlocked state may be various, and for example, an operator may use a circlip 34 removal tool to perform what is considered to be locking or removing of the circlip 34. Or, a clamp spring 34 with a bearing upper limit may be adopted, the bearing upper limit of the clamp spring 34 is the external force that the clamp spring 34 needs to receive when switching between the locking state and the unlocking state, so that when the clamp spring 34 is in the locking state, the clamp spring 34 can bear the gravity applied to the clamp spring by an operator, and when the clamp spring 34 needs to be switched from the locking state to the unlocking state, the clamp spring 34 can be switched to the unlocking state by applying the external force between two adjacent telescopic sections 32.
In order to ensure that the track maintenance operation platform can be stably fixed on the track beam, optionally, as shown in fig. 1 and 5, the track maintenance operation platform may further include a limiting device 6, the limiting device 6 includes a limiting rod 61 extending along the left-right direction and limiting blocks 62 respectively located at two ends of the limiting rod 61, the limiting blocks 62 are movably connected to the limiting rod 61 along the left-right direction, and one end of the limiting block 62 away from the limiting rod 61 is used for abutting against the track beam. After the track maintenance operation platform moves to the maintenance position, the distance of the limiting blocks 62 at the two ends of the limiting rod 61 in the left-right direction is increased, so that the limiting blocks 62 at the two ends of the limiting rod 61 can be respectively abutted to the two track beams, the limiting blocks 62 can limit the track maintenance operation platform to move in the left-right direction relative to the track beams, and meanwhile, the track maintenance operation platform can be limited to move in the extending direction of the track beams. The track maintenance operation platform is fixed on the track beam through the limiting device 6, so that the track maintenance operation platform is prevented from moving and shaking, and the safety of operators is guaranteed.
The stopper 62 is movably connected to the stopper rod 61 in the left-right direction, as shown in fig. 5, as an exemplary embodiment, the stopper 62 may include a stopper main body 621 and a screw 622 formed on the stopper main body 621, a threaded hole is formed on the stopper rod 61, the screw 622 is in threaded connection with the threaded hole, and the stopper main body 621 is formed in a truncated cone shape gradually expanding from the screw 622 toward a direction away from the stopper rod 61. An operator can screw in or screw out the screw 622 on the limiting block 62 through the threaded hole on the limiting rod 61, adjust the distance between the limiting rod 61 and the limiting block 62, and change the distance of the limiting blocks 62 at the two ends of the limiting rod 61 in the left-right direction, so that the limiting blocks 62 abut against the track beam. The limiting main body 621 is formed into a truncated cone shape gradually expanding from the screw 622 towards the direction deviating from the limiting rod 61, so that the contact area between the limiting main body 621 and the track beam can be increased, and the stability of the track maintenance operation platform is improved.
As another exemplary embodiment, the position-limiting device 6 may further include a position-limiting driving device 5, the position-limiting block 62 may include a position-limiting main body 621 and a telescopic portion formed on the position-limiting main body 621, the telescopic portion and the position-limiting rod 61 are sleeved and can move relatively, and the position-limiting driving device 5 is configured to drive the telescopic portion and the position-limiting rod 61 to move relatively.
The track overhauls the operation platform and places on the track roof beam usually in the use, because overhauls the difference of position, the track overhauls the operation platform and need remove to overhauing the place along the track roof beam usually, because the direction of track roof beam can change, the track overhauls the operation platform and also need turn to at the removal in-process. In order to facilitate the movement of the track maintenance work platform on the track beam, optionally, the track maintenance work platform may include at least one pair of first rollers 11 mounted on the base 1, the pair of first rollers 11 being disposed at an interval in the left-right direction and being respectively configured to be in rolling contact with two opposite side walls of the track beam. The in-process that the track overhauld operation platform removed on the track roof beam, because first gyro wheel 11 all the time with the lateral wall rolling contact of track roof beam, the direction of first gyro wheel 11 can remain unanimous with the extending direction of track roof beam all the time, and mated first gyro wheel 11 can restrict the track and overhaul the displacement of operation platform for the track roof beam on the left and right sides orientation, consequently, first gyro wheel 11 can play the guide effect to the removal that the track overhauld operation platform, guarantee that the moving direction that the track overhauld operation platform can remain unanimous with the direction of track roof beam all the time. Meanwhile, the first idler wheel 11 is in rolling contact with the side wall of the track beam, so that the friction force between the first idler wheel 11 and the side wall of the track beam can be reduced, and the difficulty of controlling the track maintenance operation platform to move on the track beam by an operator is reduced.
In practical application, when the track maintenance operation platform is not needed, the track maintenance operation platform can be usually placed at a storehouse or a maintenance platform and the like, and the track maintenance operation platform is moved to the track beam, the track maintenance operation platform is usually required to be moved on the ground, in order to facilitate the movement of the track maintenance operation platform to the track beam by an operator, optionally, the track maintenance operation platform can further comprise a second roller 12 installed on the base 1, the second roller 12 is used for being in rolling contact with the ground, so that the friction force between the track maintenance operation platform and the ground is reduced, the operator can conveniently move the track maintenance operation platform to the track beam, and time and labor are saved.
In the above embodiment, in order to avoid interference between the second roller 12 and the track beam when the track maintenance work platform is disposed on the track beam, alternatively, the second roller 12 may be movably connected to the base 1 and have a storage state in which the second roller 12 moves toward a direction close to the base 1 to avoid interference between the second roller 12 and the track beam, and a use state. In the use state, the second roller 12 moves in a direction away from the base 1 so that the second roller 12 can contact the ground. In order to facilitate the storage of the second roller 12, a roller groove for accommodating the second roller 12 may be formed on the base 1, and in the storage state, the second roller 12 may be accommodated in the roller groove to avoid the track beam.
In order to facilitate the operator to push the track maintenance operation platform, optionally, the track maintenance operation platform may further include a handle 13, and the handle 13 is installed on the base 1 and used for pushing the base 1 to move.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations will not be further described in the present disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (13)
1. The utility model provides a track overhauls work platform which characterized in that includes:
a base (1) for supporting on a track beam;
the two telescopic rods (2) extend along the vertical direction, the two telescopic rods (2) are arranged oppositely, and the bottom of each telescopic rod (2) is fixed on the base (1);
the telescopic ladder (3) comprises two telescopic ladder posts (31) and a plurality of pedals (33) which are oppositely arranged, two ends of each pedal (33) are respectively connected with the two telescopic ladder posts (31), and the bottom of each telescopic ladder post (31) is rotatably hinged to the base (1);
the flexible connecting piece (4) is connected between each telescopic rod (2) and the corresponding telescopic ladder column (31) through at least one flexible connecting piece (4);
the track maintenance operation platform is provided with a first working state, the flexible connecting piece (4) is tensioned between the telescopic rod (2) and the telescopic ladder posts (31), and the telescopic ladder posts (31) are inclined relative to the telescopic rod (2).
2. The track maintenance work platform according to claim 1, characterized in that a cross bar (21) is connected between the tops of the two telescopic rods (2), the top of the telescopic ladder column (31) is locked to the cross bar (21) in an unlockable manner, and the track maintenance work platform further comprises a driving device (5), wherein the driving device (5) is used for driving the telescopic rods (2) to extend or shorten.
3. The track maintenance work platform according to claim 2, wherein a limiting clamping groove (211) is formed in the cross bar (21), and the limiting clamping groove (211) is used for being clamped with the top of the telescopic ladder column (31).
4. The track maintenance work platform according to claim 2, wherein each telescopic rod (2) comprises a plurality of telescopic joints (22) with hollow interiors, every two adjacent telescopic joints (22) are movably sleeved, the plurality of telescopic joints (22) of each telescopic rod (2) sequentially comprise a first telescopic joint (221), a second telescopic joint (222), a third telescopic joint (223) and a fourth telescopic joint (224) from top to bottom, and the driving device (5) comprises a first hydraulic cylinder (51), a first pulley (531), a second pulley (532), a third pulley (533), a first pull rope (541) and a second pull rope (542);
the first hydraulic cylinder (51) comprises a first cylinder body (511) and a first piston rod (512), the first cylinder body (511) is fixed in the fourth telescopic joint (224), the first piston rod (512) upwards sequentially penetrates through the third telescopic joint (223) and the second telescopic joint (222), the third telescopic joint (223) is fixed with the first piston rod (512), the second telescopic joint (222) is sleeved outside the first piston rod (512), the first pulley (531) is arranged at one end, far away from the first cylinder body (511), of the first piston rod (512), one end of the first pull rope (541) is connected with the fourth telescopic joint (224), the other end of the first pull rope (541) passes through the first pulley (531) and is connected with the second telescopic joint (222), the second pulley (532) and the third pulley (533) are fixed in the second telescopic joint (222), the second pulley (532) is located at the bottom of the second telescopic joint (533), and the third pulley (532) is located at the top of the second telescopic joint (223), the second pulley (532) is connected with the third telescopic joint (222), the first telescopic joint (221) is connected with a part of the second pull rope (542) between the second pulley (532) and the third pulley (533).
5. The track maintenance work platform according to claim 4, wherein the multiple telescopic joints (22) of each telescopic rod (2) further comprise a fifth telescopic joint (225) located below the fourth telescopic joint (224), the driving device (5) further comprises a second hydraulic cylinder (52), a fourth pulley (534) and a third pull rope (543), the second hydraulic cylinder (52) comprises a second cylinder body (521) and a second piston rod (522), the second cylinder body (521) is fixed in the fifth telescopic joint (225), the second piston rod (522) is sequentially inserted into the fourth telescopic joint (224) and the third telescopic joint (223) upwards, the fourth telescopic joint (224) is fixed with the second piston rod (522), the third telescopic joint (223) is sleeved outside the second piston rod (522), the fourth pulley (534) is arranged in the third telescopic joint (223), one end of the third pull rope (543) and one end of the second piston rod (522) far away from the second telescopic joint (521) are connected with the fourth telescopic joint (534), and the other end of the third pull rope (534) is connected with the fourth telescopic joint (224) and the fourth telescopic joint (543) is connected with the second piston rod (522).
6. The track maintenance work platform according to claim 1, wherein each telescopic rod (2) comprises a plurality of telescopic sections (22), every two adjacent telescopic sections (22) are movably connected, each telescopic ladder column (31) comprises a plurality of telescopic sections (32), every two adjacent telescopic sections (32) are movably connected, one end of each flexible connecting piece (4) is connected to the top of the corresponding telescopic section (22), the other end of each flexible connecting piece (4) is connected to the top of the corresponding telescopic section (32), and two ends of each pedal (33) are respectively connected to the tops of the two corresponding telescopic sections (32).
7. The track maintenance work platform according to claim 1, wherein a plurality of flexible connecting members (4) are connected between each telescopic rod (2) and the corresponding telescopic ladder column (31), and the flexible connecting members (4) are arranged at intervals along the up-down direction.
8. The track maintenance work platform according to claim 1, wherein each telescopic ladder column (31) comprises a plurality of telescopic sections (32), each two adjacent telescopic sections (32) are movably sleeved with each other, a first clamping groove (321) and a second clamping groove (322) are respectively formed on each two adjacent telescopic sections (32), a clamping spring (34) is arranged between the first clamping groove (321) and the second clamping groove (322), the clamping spring (34) has a locking state and an unlocking state, in the locking state, the clamping spring (34) is clamped between the first clamping groove (321) and the second clamping groove (322), and in the unlocking state, the clamping spring (34) is separated from one of the first clamping groove (321) and the second clamping groove (322).
9. The track maintenance work platform according to any one of claims 1 to 8, further comprising a limiting device (6), wherein the limiting device (6) comprises a limiting rod (61) extending in the left-right direction and limiting blocks (62) respectively located at two ends of the limiting rod (61), the limiting blocks (62) are movably connected to the limiting rod (61) in the left-right direction, and one end, away from the limiting rod (61), of the limiting blocks (62) is used for abutting against the track beam.
10. The track maintenance work platform according to claim 9, wherein the limiting block (62) comprises a limiting main body (621) and a screw rod (622) formed on the limiting main body (621), a threaded hole is formed on the limiting rod (61), the screw rod (622) is in threaded connection with the threaded hole, and the limiting main body (621) is formed in a truncated cone shape gradually expanding from the screw rod (622) to a direction away from the limiting rod (61).
11. The track service work platform according to any one of claims 1 to 8, further comprising at least one pair of first rollers (11) mounted on the base (1), the pair of first rollers (11) being disposed at intervals in the left-right direction and adapted to be in rolling contact with opposite side walls of the track beam, respectively;
the track maintenance operation platform further comprises a second roller (12) installed on the base (1), and the second roller (12) is used for being in rolling contact with the ground.
12. Track service work platform according to claim 11, characterized in that the second roller (12) is movably connected to the base (1) and has a stowed state, in which the second roller (12) is moved towards the base (1), and a use state, in which the second roller (12) is moved away from the base (1).
13. Track service work platform according to claim 11, characterized in that it further comprises a handle (13), said handle (13) being mounted on said base (1) and being adapted to push said base (1) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110700343.9A CN115506706A (en) | 2021-06-23 | 2021-06-23 | Track maintenance operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110700343.9A CN115506706A (en) | 2021-06-23 | 2021-06-23 | Track maintenance operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115506706A true CN115506706A (en) | 2022-12-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110700343.9A Pending CN115506706A (en) | 2021-06-23 | 2021-06-23 | Track maintenance operation platform |
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| CN (1) | CN115506706A (en) |
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| CN110242205A (en) * | 2019-07-05 | 2019-09-17 | 郭宗勤 | It is a kind of that one uses the scalable ladder of single foot |
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| CN211790367U (en) * | 2020-05-08 | 2020-10-27 | 国网江苏省电力有限公司太仓市供电分公司 | Portable operation platform of switch board |
| CN213510392U (en) * | 2020-06-12 | 2021-06-22 | 俞米英 | Extension ladder with stable structure and herringbone ladder with same |
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2021
- 2021-06-23 CN CN202110700343.9A patent/CN115506706A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3133900U (en) * | 2007-05-16 | 2007-07-26 | 株式会社東京エネシス | Telescopic ladder |
| US20140284140A1 (en) * | 2011-09-11 | 2014-09-25 | Gilad Omri | Telescopic ladder and locking mechanism thereof |
| CN205985952U (en) * | 2016-07-19 | 2017-02-22 | 江西电力职业技术学院 | Overhead transmission line tool car |
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| CN213510392U (en) * | 2020-06-12 | 2021-06-22 | 俞米英 | Extension ladder with stable structure and herringbone ladder with same |
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