CN112112011A - Accurate adjustment system for CRTS III type track slab - Google Patents
Accurate adjustment system for CRTS III type track slab Download PDFInfo
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- CN112112011A CN112112011A CN202010905255.8A CN202010905255A CN112112011A CN 112112011 A CN112112011 A CN 112112011A CN 202010905255 A CN202010905255 A CN 202010905255A CN 112112011 A CN112112011 A CN 112112011A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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Abstract
The disclosure relates to track slab fine tuning, in particular to a CRTS III type track slab fine tuning system. Comprises a fine adjustment machine and a fine adjustment bracket; the fine adjustment machine comprises a longitudinal adjustment mechanism, the longitudinal adjustment mechanism comprises a transmission shaft arranged longitudinally and a fine adjustment driving mechanism used for driving the transmission shaft to rotate, and a connecting piece is arranged at the bottom of the transmission shaft; the fine adjustment bracket is provided with a pair of hanging plates which are used for being fixed on two sides of the track plate, the bracket body is also provided with a longitudinal adjustment rotating shaft which is used for being connected with the connecting piece and a longitudinal transmission mechanism which is in transmission connection with the longitudinal adjustment rotating shaft, and the longitudinal transmission mechanism is used for driving the hanging plates to move along the longitudinal direction of the track. Through setting up the fine tuning machine that has vertical adjustment mechanism and the bracket body that has vertical regulation pivot and vertical drive mechanism for vertical adjustment mechanism drives vertical regulation pivot and rotates, thereby drives vertical drive mechanism and in order to realize the vertical fine tuning of track slab in the railway, has solved the problem that fine tuning system can't realize the vertical fine tuning of track slab among the prior art.
Description
Technical Field
The disclosure relates to track slab fine tuning, in particular to a CRTS III type track slab fine tuning system.
Background
The ballastless track is a track structure which adopts integral foundations such as concrete, asphalt mixture and the like to replace a loose gravel track bed, is also called as a ballastless track, and is an advanced track technology in the world today. The slab ballastless track is a novel track structure which is composed of a concrete base, a CA mortar layer or self-compacting concrete, a track slab, a fastener, a steel rail and the like.
The fine adjustment of the track slab is used as a core technology for construction control of the slab ballastless track, and the requirements on the fine adjustment process are very strict. During construction of a traditional plate-type ballastless track, most of the traditional plate-type ballastless track is manually adjusted, fine adjustment operation is carried out through a fine adjustment claw, and a fine adjustment worker is required to be matched at 4 points of the track plate. The fine tuning adopts manual adjustment, and has the disadvantages of difficult adjustment, insufficient adjustment precision and the like, thereby wasting labor force and ensuring the adjustment precision.
In view of the above, a fine adjustment machine has been developed, which forms an adjustment system with a bracket on a track slab, and specifically, an elevation adjustment mechanism and a track adjustment mechanism are provided on the fine adjustment machine, and an adjustment mechanism corresponding to the fine adjustment machine is correspondingly provided on the bracket, thereby achieving elevation adjustment and track (lateral) adjustment of the fine adjustment system. The current fine adjustment system can only realize elevation and rail direction adjustment, but in special sections of some railways: for example, the longitudinal adjustment of the railway passing through the bend is needed, so that the existing fine adjustment system cannot meet the effective adjustment of the railway passing through the bend.
Disclosure of Invention
To solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a CRTS type iii track slab fine tuning system.
The utility model provides a CRTS III type track slab fine tuning system, which comprises a fine tuning machine and a fine tuning bracket;
the fine adjustment machine comprises a longitudinal adjustment mechanism, the longitudinal adjustment mechanism comprises a transmission shaft arranged longitudinally and a fine adjustment driving mechanism used for driving the transmission shaft to rotate, and a connecting piece is arranged at the bottom of the transmission shaft;
the fine adjustment bracket comprises a bracket body, wherein a pair of hanging plates used for being fixed on two sides of the track plate are arranged on the bracket body, a longitudinal adjusting rotating shaft used for being connected with the connecting piece and a longitudinal transmission mechanism in transmission connection with the longitudinal adjusting rotating shaft are further arranged on the bracket body, and the longitudinal transmission mechanism is used for driving the hanging plates to move along the longitudinal direction of the track.
Optionally, the fine adjustment machine comprises a rail-direction adjustment mechanism, and the rail-direction adjustment mechanism and the longitudinal adjustment mechanism have the same structure;
the bracket body is provided with a rail-direction adjusting rotating shaft used for being connected with a connecting piece on the rail-direction adjusting mechanism and a rail-direction transmission mechanism in transmission connection with the rail-direction adjusting rotating shaft, and the rail-direction transmission mechanism is used for driving the hanging plate to move along the longitudinal direction of the rail;
optionally, the fine adjustment machine further comprises an elevation adjustment mechanism, and the elevation adjustment mechanism is consistent with the longitudinal adjustment mechanism in structure;
the bracket body is provided with an elevation adjusting screw rod connected with a connecting piece on the elevation adjusting mechanism, and the elevation adjusting screw rod is connected with the bracket body through threads.
Optionally, the fine tuning machines each include an underframe and a pair of top frames disposed at the top end of the underframe, the pair of top frames are arranged along the longitudinal direction of the railway, and a bracket body is disposed below each top frame;
the longitudinal adjusting rotating shaft and the rail direction adjusting rotating shaft are arranged on each bracket body and are divided into two ends positioned on the bracket body, and the elevation adjusting screw rods are arranged on each bracket body in a pair and are positioned at the two ends of the bracket body;
the longitudinal adjusting mechanism, the rail direction adjusting mechanism and the elevation adjusting mechanism on the top frame are respectively arranged at the positions corresponding to the longitudinal adjusting rotating shaft, the rail direction adjusting rotating shaft and the elevation adjusting screw rod on the bracket body.
Optionally, the longitudinal adjusting rotating shaft and the rail adjusting rotating shaft on the two bracket bodies are arranged diagonally relative to the fine adjustment machine.
Optionally, the rail-direction transmission mechanism includes a pair of hanging blocks respectively connected with the pair of hanging plates, one of the hanging blocks is used for driving the corresponding hanging plate to move along the rail-direction of the railway, and the corresponding pair of hanging blocks is movably connected with the pair of hanging plates along the longitudinal direction of the railway;
the longitudinal transmission mechanism comprises movable blocks for driving the corresponding hanging plates to move along the longitudinal direction of the railway, and the movable blocks are movably connected with the hanging plates along the direction of the railway track;
the hanger plate is longitudinally provided with strip-shaped clamping grooves along a railway, a pair of hanger blocks are respectively and movably clamped in the corresponding strip-shaped clamping grooves, the movable blocks are provided with guide holes along the railway track, and the hanger plate is provided with guide posts matched with the guide holes.
Optionally, the longitudinal transmission mechanism includes a longitudinal transmission screw rod longitudinally arranged along the railway, the end portions of the longitudinal adjustment rotating shaft and the longitudinal transmission screw rod are connected with conical gears which are meshed with each other, the longitudinal transmission screw rod is in threaded connection with a longitudinal nut, and the longitudinal nut is connected with the corresponding movable block;
the rail-direction transmission mechanism comprises rail-direction transmission screw rods arranged along the rail direction of the railway, the end parts of the rail-direction adjusting rotating shaft and the rail-direction transmission screw rods are connected with conical gears which are meshed with each other, and the rail-direction transmission screw rods are in threaded connection with the corresponding hanging blocks.
Optionally, a pair of supporting plates which are parallel to each other and are vertically arranged are arranged at two ends of the bracket body, the pair of hanging blocks are movably clamped in a reserved space formed between the two corresponding supporting plates respectively, reserved blocks are arranged in the reserved space, the elevation adjusting screw rods are in threaded connection with the corresponding reserved blocks, the longitudinal transmission screw rods are located in the corresponding reserved space, and the longitudinal adjusting rotating shaft is located on the outer side of the bracket body.
Optionally, each top frame is provided with a support frame, the elevation adjusting mechanism, the rail direction adjusting mechanism and the longitudinal adjusting mechanism are all arranged on the support frames, and the support frames are driven by the coarse adjustment driving mechanism and can move in the vertical direction and the rail direction of the railway;
the coarse adjustment driving mechanism comprises a vertical driving portion, a transition portion and a transverse driving portion, the vertical driving portion is used for driving the transition portion to move along the vertical direction, the transition portion is movably connected with the supporting frame, and the transverse driving portion is used for driving the supporting frame to move along the railway track on the transition portion towards the direction.
Optionally, the corresponding fine adjustment actuating mechanism is articulated with the transmission shaft and can drive the transmission shaft and rotate, the transmission shaft can be followed self length direction and stretched out and drawn back, the outside of transmission shaft is equipped with two telescopic links at least, the one end and the support frame of telescopic link are connected, the other end passes through the deflector and connects, the middle part of deflector is equipped with the first through-hole that can supply the transmission shaft to pass, be equipped with the guide way on the inner wall of first through-hole, the periphery of transmission shaft is equipped with the positioning disk, positioning disk and guide way sliding fit.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
through setting up the fine tuning machine that has vertical adjustment mechanism and the bracket body that has vertical regulation pivot and vertical drive mechanism, drive vertical regulation pivot through vertical adjustment mechanism and rotate to drive vertical drive mechanism and in order to realize the vertical fine tuning of track slab in the railway, solved among the prior art the problem that fine tuning system can't realize the vertical fine tuning of track slab.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of a bracket body according to the present disclosure;
FIG. 2 is a partial schematic structural view of one end of the carrier body according to the present disclosure;
FIG. 3 is a schematic connection diagram of the hanging block, the hanging plate and the movable block according to the embodiment of the disclosure;
FIG. 4 is a partial schematic structural view of the bracket body at the other end of the bracket body in accordance with the present disclosure;
fig. 5 is a schematic view of the overall structure of the fine adjustment machine according to the present disclosure.
FIG. 6 is a schematic structural view of a roof rack of the present disclosure;
FIG. 7 is a front view of a fine tuning machine of the present disclosure;
FIG. 8 is a schematic view of a specific construction of a propeller shaft according to the present disclosure;
fig. 9 is a schematic diagram of the overall structure of the system of the present disclosure.
100, a bracket body; 101. a hanger plate; 102. a support plate; 200. a longitudinal adjustment shaft; 201. a longitudinal transmission mechanism; 202. a movable block; 203. a longitudinal drive screw; 204. a longitudinal nut; 300. a rail-direction adjusting rotating shaft; 301. a rail-wise transmission mechanism; 302. a hanging block; 303. a rail-wise drive screw; 400. an elevation adjusting screw; 401. reserving a block; 500. a drive shaft; 501. a connecting member; 600. a main frame; 601. a longitudinal adjustment mechanism; 602. a rail-direction adjusting mechanism; 603. an elevation adjustment mechanism; 604. a chassis; 605. a top frame; 606. a support frame; 607. a vertical driving portion; 608. a transition section; 609. a lateral driving section; 610. a longitudinal drive mechanism; 700. a drive wheel; 701. a guide wheel.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
The utility model provides a III type track boards of CRTS fine tuning bracket, III type track boards of CRTS fine tuning machine and by the III type track boards fine tuning system of CRTS of the two constitution.
Referring to fig. 1, 5 and 9, a CRTS iii track slab fine tuning system includes a fine tuning machine and a fine tuning bracket;
the fine adjustment machine comprises a longitudinal adjustment mechanism 601, the longitudinal adjustment mechanism 601 comprises a transmission shaft 500 arranged longitudinally and a fine adjustment driving mechanism used for driving the transmission shaft 500 to rotate, and a connecting piece 501 is arranged at the bottom of the transmission shaft 500;
the fine adjustment bracket comprises a bracket body 100, wherein a pair of hanging plates 101 used for being fixed on two sides of a track plate are arranged on the bracket body 100, a longitudinal adjusting rotating shaft 200 used for being connected with a connecting piece 501 and a longitudinal transmission mechanism 201 in transmission connection with the longitudinal adjusting rotating shaft 200 are further arranged on the bracket body 100, and the longitudinal transmission mechanism 201 is used for driving the hanging plates 101 to move along the longitudinal direction of the track.
In the above embodiment, the hanger plate 101 may be a conventional fixing member for fixing both sides of the rail plate to be finely adjusted, and may be connected to the rail plate by a member such as a bolt, so that the connection between the rail plate and the bracket body 100 may be firstly completed.
In the actual fine adjustment process of the track slab, the fine adjustment machine moves to the upper part of the track slab, and is provided with a longitudinal adjustment mechanism 601 thereon, the longitudinal adjustment mechanism comprises a transmission shaft 500 which is longitudinally arranged and a fine adjustment driving mechanism which is used for driving the transmission shaft 500 to rotate, and the power source of the fine adjustment driving mechanism can be provided by a rotating motor and a speed reducer, so that the rotation of the transmission shaft 500 is realized.
Then, the joint between the transmission shaft 500 and the longitudinal adjustment shaft 200 is completed, and the joint between the two can be realized by a fixing component, such as a coupling. When the two are butted, the transmission shaft 500 rotates to correspondingly drive the longitudinal adjusting rotating shaft 200 to rotate, the longitudinal adjusting rotating shaft 200 is in transmission connection with the longitudinal transmission mechanism 201, and the longitudinal transmission mechanism 201 transmits force, so that the hanger plate 101 can be driven to move along the longitudinal direction of the rail, and the fine adjustment of the rail plate in the longitudinal direction is realized.
Referring to fig. 6, in some embodiments, the fine adjustment machine includes a rail-direction adjustment mechanism 602, and the rail-direction adjustment mechanism 602 is consistent with the longitudinal adjustment mechanism 601;
the bracket body 100 is provided with a rail-direction adjusting rotating shaft 300 connected with a connecting piece 501 on a rail-direction adjusting mechanism 602 and a rail-direction transmission mechanism 301 in transmission connection with the rail-direction adjusting rotating shaft 300, and the rail-direction transmission mechanism 301 is used for driving the hanging plate 101 to move along the longitudinal direction of the rail;
in the above embodiment, the fine adjustment of the track slab in the track direction is realized, the track direction adjusting mechanism 602 has the same structure as the longitudinal adjusting mechanism 601, specifically, the track direction adjusting mechanism also includes the transmission shaft 500 longitudinally arranged and the fine adjustment driving mechanism for driving the transmission shaft 500 to rotate, the power source of the fine adjustment driving mechanism can be provided by the rotating motor and the speed reducer, and the principle of the track direction fine adjustment is the same as that of the longitudinal fine adjustment, which is not described herein again.
Referring to fig. 6, in some embodiments, the fine adjustment machine further includes an elevation adjustment mechanism 603, and the elevation adjustment mechanism 603 is consistent with the longitudinal adjustment mechanism 601;
the bracket body 100 is provided with an elevation adjusting screw 400 for connecting with a connecting piece 501 on an elevation adjusting mechanism 603, and the elevation adjusting screw 400 is in threaded connection with the bracket body 100.
In the above embodiments, the fine adjustment of the track plate in the height direction is further implemented, which is not described herein.
Through the three embodiments, it can be easily found that the installation position and the precision of the track plate can be effectively ensured by accurately adjusting the track plate in the longitudinal direction, the track direction and the height direction, and particularly, when the railway passes through a bending position, the track plate can be rotated or deviated in the horizontal direction by firstly accurately adjusting the track plate in the longitudinal direction and the track direction so as to realize the extending direction of the track passing through the bending position, and then the inclination of the track plate can be realized by accurately adjusting the height of the track plate so as to realize the gradient of the track passing through the bending position.
Referring to fig. 5, in some embodiments, the fine tuning machine includes a bottom frame 604 and a pair of top frames 605 disposed at the top end of the bottom frame 604, the pair of top frames 605 are arranged along the longitudinal direction of the railway, and a bracket body 100 is disposed below each top frame 605;
in the above embodiment, the system composed of the fine adjustment machine and the bracket body 100 is further optimized, and through the above arrangement, in the actual fine adjustment process of the track slab, the bracket body 100 is respectively arranged at the front end and the rear end, so that the stability is ensured on the whole, and the precision of the fine adjustment is further improved.
Referring to fig. 6 and 7, specifically, one longitudinal adjusting rotating shaft 200 and one rail adjusting rotating shaft 300 are provided on each bracket body 100 and are divided into two ends located on the bracket body 100, and a pair of elevation adjusting screws 400 are provided on each bracket body 100 and are located on two ends of the bracket body 100;
the longitudinal adjusting mechanism 601, the rail direction adjusting mechanism 602 and the elevation adjusting mechanism 603 on the top frame 605 are respectively arranged at positions corresponding to the longitudinal adjusting rotating shaft 200, the rail direction adjusting rotating shaft 300 and the elevation adjusting screw 400 on the bracket body 100.
Namely, one end of each top frame 605 is provided with a longitudinal adjusting mechanism 601, the other end of each top frame 605 is provided with a rail direction adjusting mechanism 602, and both ends of each top frame 605 are respectively provided with an elevation adjusting mechanism 603.
In the above embodiment, the structure of the fine adjustment machine and the bracket body 100 is further optimized, and by the above arrangement, the elevation adjustment mechanism 603 is first opposite to the elevation adjustment screw 400, which can be respectively located at four corners of the track plate, so that not only the track plate is stably fixed, but also the four positions are simultaneously adjusted to be more easily suitable for the arrangement of the track plate at the over-bent position, so as to adjust the inclination angle of the track plate.
Referring to fig. 5, in some embodiments, the longitudinal adjusting shaft 200 and the rail adjusting shaft 300 of the two bracket bodies 100 are disposed diagonally with respect to the fine adjustment machine. Correspondingly, the longitudinal adjusting mechanism 601 and the rail direction adjusting mechanism on the fine adjustment machine are disposed at positions corresponding to the longitudinal adjusting rotating shaft 200 and the rail direction adjusting rotating shaft 300 on the bracket body 100. Namely, two longitudinal adjustment mechanisms 601 and two rail adjustment mechanisms 602 are diagonally disposed with respect to the main frame 600.
In the above embodiment, the longitudinal fine adjustment and the rail fine adjustment are respectively arranged corresponding to opposite angles of the track slab, so that the advantages that the longitudinal fine adjustment and the rail fine adjustment of the track slab can be simultaneously satisfied on the bracket body 100 positioned at the front end of the track slab and the bracket body 100 positioned at the rear end of the track slab, and thus, the fine adjustment precision of the track slab can be ensured at first;
secondly, under the condition of ensuring the fine adjustment precision, the stress can be ensured to be more scientific, for example, when the longitudinal fine adjustment is carried out, only one side of the front end of the track slab is subjected to longitudinal traction force; the other side is not stressed in the longitudinal direction because the fine adjustment in the rail direction is needed, and if no special setting is added, the stress balance can be influenced to a certain extent; in the scheme, the longitudinal traction force is correspondingly applied to one side of the rear end opposite angle of the track plate, so that the longitudinal traction force can be applied to both sides of the track plate, and the stress is more balanced in the longitudinal fine adjustment process.
The principle is the same for the fine adjustment of the track direction, and the details are not described herein.
It should be emphasized that the above longitudinal and rail-direction fine adjustment of the track slab in the diagonal direction is also convenient for realizing the rotation of the track slab in the horizontal direction at the railway passing through the curve, thereby improving the construction efficiency.
Referring to fig. 1 to 4, in some embodiments, the rail-direction transmission mechanism 301 includes a pair of hanging blocks 302 respectively connected to the pair of hanging plates 101, wherein one hanging block 302 is used for driving the corresponding hanging plate 101 to move along the rail-direction of the railway, and the corresponding pair of hanging blocks 302 is movably connected to the pair of hanging plates 101 along the longitudinal direction of the railway;
the longitudinal transmission mechanism 201 comprises a movable block 202 for driving the corresponding hanger plate 101 to move along the longitudinal direction of the railway, and the movable block 202 is movably connected with the hanger plate 101 along the direction of the railway track;
in the above embodiment, the connection between the rail-direction transmission mechanism 301 and the longitudinal transmission mechanism and the hanger plate 101 is further optimized, in the conventional XY-direction movement process, a movement mechanism in two directions is generally provided, and the two movement mechanisms are connected with a moving object in sequence, for example, to realize the movement of the object a in the XY direction, the object a needs to be connected with the X-direction movement mechanism, and the X-direction movement mechanism is connected with the Y-direction movement mechanism.
In the present scheme, please refer to fig. 1, the longitudinal adjusting mechanism 601 and the rail adjusting mechanism 602 are disposed at two ends of the bracket body 100, and there is no direct connection relationship therebetween, which firstly makes the overall structure more compact and lightweight, improves the overall space utilization efficiency of the structure, and meanwhile, avoids the error overlapping condition caused by the mutual overlapping connection between the longitudinal adjusting mechanism 601 and the rail adjusting mechanism 602, and effectively improves the fine adjustment precision.
Under the condition of realizing the beneficial effects, the scheme is mainly realized by changing the connection mode between the longitudinal adjusting mechanism 601 and the rail direction adjusting mechanism 602 and the hanging plate 101. As described above, referring to fig. 2 to 4, in the state of fine adjustment in the longitudinal direction, the movable block 202 on the longitudinal transmission mechanism 201 moves longitudinally, so as to drive a corresponding one of the hanger plates 101 to move longitudinally, and at the same time, the hanger block 302 also moves longitudinally with respect to the hanger plate 101, so as to achieve fine adjustment in the longitudinal direction of the track slab.
In the fine adjustment state of the track direction, one hanging block 302 on the track direction transmission mechanism 301 drives the corresponding hanging plate 101 to move in the track direction, and meanwhile, the hanging plate 101 also moves in the track direction relative to the movable block 202, so that the fine adjustment of the track direction of the track plate is realized.
It should be emphasized that, in the above solution, the longitudinal adjusting mechanism 601 and the rail adjusting mechanism 602 are fixed relative to the bracket body 100, so as to ensure effective docking of the longitudinal adjusting spindle 200 and the rail adjusting spindle 300 with the fine adjustment machine.
Therefore, through the arrangement, the longitudinal and rail-direction fine adjustment of the rail plate can be effectively realized, and the structure is scientific and reasonable and has certain ingenuity.
Referring to fig. 2 to 4, in some embodiments, the hanging plate 101 has bar-shaped slots along the longitudinal direction of the railway, the pair of hanging blocks 302 are respectively and movably clamped in the corresponding bar-shaped slots, the movable block 202 has guide holes along the direction of the railway, and the hanging plate 101 has guide posts matching with the guide holes.
In the above embodiments, the movable connection between the hanging plate 101 and the hanging block 302 and between the hanging plate 101 and the movable block 202 are specifically disclosed. Through the arrangement, when the vertical fine adjustment is carried out, the hanging block 302 can also longitudinally guide the hanging plate 101, and when the rail fine adjustment is carried out, the movable block 202 can also longitudinally guide the hanging plate 101, so that the overall stability of the structure is further improved.
Referring to fig. 1 and 4, in some embodiments, the bracket is characterized in that a pair of supporting plates 102 which are parallel to each other and are vertically arranged are respectively arranged at two ends of the bracket body 100, a pair of hanging blocks 302 are respectively movably clamped in a reserved space formed between the two corresponding supporting plates 102, a reserved block 401 is arranged in the reserved space, an elevation adjusting screw 400 is in threaded connection with the corresponding reserved block 401, a longitudinal transmission screw 203 is located in the corresponding reserved space, and a longitudinal adjusting rotating shaft 200 is located at the outer side of the bracket body 100.
In the above embodiment, the structure of the bracket body 100 is further optimized and disclosed, and by providing the support plate 102, the reserved block 401 can be provided, so that the elevation adjusting screw 400 can be conveniently connected therewith to realize fine elevation adjustment, and at the same time, the structure is light. The reserved space formed by the supporting plate 102 can be just used as a track for the hanging block 302 to walk, and certain ingenuity is achieved; finally, an installation space can be provided for the longitudinal transmission screw 203, so that the longitudinal nut 204 is positioned in the reserved space, the stress is more balanced and stable, the corresponding longitudinal adjusting rotating shaft 200 is positioned on the outer side of the bracket body 100, and the longitudinal adjusting mechanism 601 of the fine tuning machine is correspondingly arranged.
Referring to fig. 2 to 4, in some embodiments, the longitudinal transmission mechanism 201 includes a longitudinal transmission screw 203 disposed longitudinally along the railway, the ends of the longitudinal adjustment shaft 200 and the longitudinal transmission screw 203 are connected with conical gears engaged with each other, the longitudinal transmission screw 203 is connected with a longitudinal nut 204 by a thread, and the longitudinal nut 204 is connected with the corresponding movable block 202;
the rail-direction transmission mechanism 301 comprises a rail-direction transmission screw 303 arranged along the rail direction of the railway, the end parts of the rail-direction adjusting rotating shaft 300 and the rail-direction transmission screw 303 are connected with conical gears which are meshed with each other, and the rail-direction transmission screw 303 is in threaded connection with the corresponding hanging block 302.
In the above embodiments, the longitudinal transmission 201 and the rail transmission 301 are specifically disclosed, and by providing the taper nuts, the force reversal can be realized. In the fine longitudinal adjustment process, the longitudinal adjustment shaft 200 can drive the longitudinal transmission screw 203 to rotate, so as to realize the longitudinal movement of the longitudinal nut 204. In the fine adjustment process of the rail direction, the rail direction adjusting rotating shaft 300 can drive the rail direction transmission screw 303 to rotate, so as to drive the corresponding hanging block 302 to move in the rail direction.
It should be emphasized that there are various structures for implementing the reversing, such as a rack and pinion structure, which can convert the force in the circumferential direction into the force in the straight line, and the above-mentioned solutions are mainly worm drives.
Referring to fig. 6 and 7, in some embodiments, each top frame 605 is provided with a support frame 606, the elevation adjusting mechanism 603, the rail direction adjusting mechanism 602 and the longitudinal adjusting mechanism 601 are all arranged on the support frame 606, and the support frame 606 is driven by the coarse adjustment driving mechanism and can move along the vertical direction and the rail direction of the railway;
in the above embodiment, the elevation adjustment mechanism 603, the rail adjustment mechanism 602, and the longitudinal adjustment mechanism 601 are further optimized. In the docking process of the fine adjustment machine and the bracket body 100, the supporting frame 606 is moved in the vertical and rail-wise directions, so that the elevation adjusting mechanism 603, the rail-wise adjusting mechanism 602, and the longitudinal adjusting mechanism 601 can be smoothly docked with the bracket body 100.
The rough adjustment driving mechanism comprises a vertical driving part 607, a transition part 608 and a horizontal driving part 609, wherein the vertical driving part 607 is used for driving the transition part 608 to move along the vertical direction, the transition part 608 is movably connected with the supporting frame 606, and the horizontal driving part 609 is used for driving the supporting frame 606 to move on the transition part 608 along the railway track direction.
In the above embodiment, the coarse adjustment driving mechanism is further disclosed, that is, the vertical driving portion 607 drives the transition portion 608 to move vertically, and the horizontal driving portion 609 drives the supporting frame 606 to move on the transition portion 608 in the rail direction, so that the vertical and rail-direction coarse adjustment of the supporting frame 606 is realized to realize the butt joint with the bracket body 100.
Specifically, the supporting frame 606 may be formed by connecting a plurality of square pipes, and the transition portion 608 may be provided with a guide sleeve corresponding to the square pipe structure, so that the square pipe can move along the guide sleeve conveniently, and the movement between the square pipe and the guide sleeve can be realized by a telescopic mechanism.
The both ends of transition portion 608 then can set up the supporting shoe, and the supporting shoe all is equipped with the slider in the ascending both sides of longitudinal direction, and top frame 605 includes the slide that is used for with slider sliding connection, moves in the slide through the slider in order to realize the vertical removal of transition portion 608, is equipped with drive screw on the top frame 605 and is used for reciprocating with the supporting shoe threaded connection in order to realize the supporting shoe. The driving screw rod can be driven to rotate by the rotating motor and the speed reducer. Preferably, one end of the transition portion 608 is hinged to a corresponding support block, the other end of the transition portion 608 is hinged to the support block, a certain movement allowance is reserved, that is, the other end of the transition portion 608 can move in the rail direction relative to the support block, specifically, the other end of the transition portion 608 is provided with a strip-shaped hole, the support block is provided with a pin shaft matched with the strip-shaped hole, through the arrangement of the strip-shaped hole and the pin shaft, the transition portion 608 is hinged to the support block, and then the pin shaft can move in the rail direction relative to the strip-shaped hole, so that the movement allowance is provided for the transition portion 608, and therefore the two support blocks can conveniently achieve asynchronous vertical movement without damaging the transition portion 608.
The above arrangement is also advantageous in that it can be used in conjunction with the elevation adjustment screw 400 to adjust the inclination angle of the track plate more quickly and over a wider range when large curves are encountered.
Referring to fig. 5, in some embodiments, one of the top frames 605 and the bottom frame 604 are movably connected in the longitudinal direction of the railway with a longitudinal driving mechanism 610 disposed therebetween.
In the above embodiment, the connection between the top frame 605 and the bottom frame 604 is optimized, and because there is a difference in the length of the track plate, the top frame 605 which is movable is provided to adaptively adjust the position of the top frame 605 in the longitudinal direction, so that the structure on the top frame 605 is butted against the corresponding bracket body 100.
Specifically, only one top frame 605 is movably connected with respect to the bottom frame 604, the other top frame 605 is fixed on the bottom frame 604, the bottom frame 604 and the movable top frame 605 are provided with a guide rail structure, so that the top frame 605 can stably slide on the bottom frame 604, and a longitudinal driving mechanism 610 is arranged between the two, and a conventional transmission mode, such as a screw and nut transmission mode commonly used in the present disclosure, can be adopted.
Referring to fig. 5 and 7, in some embodiments, a driving wheel 700 is disposed at the bottom of the bottom frame 604, and a guiding mechanism is disposed at a side of the bottom frame 604 close to the protection wall, and the guiding mechanism includes guiding wheels 701 disposed at two sides of the driving wheel 700.
In the above embodiment, the whole structure is further optimized, the driving wheel 700 is arranged to facilitate the walking of the fine tuning machine, so as to realize the butt joint with the bracket body 100, and the guiding mechanism is arranged to effectively ensure the walking direction of the fine tuning machine, thereby avoiding the occurrence of a large error.
In the practical and practical process, the protective wall is a groove structure located on at least one side of the track slab, the driving wheel 700 on one side is located in a groove formed by the protective wall, and the guide wheels 701 respectively correspond to two side walls of the groove of the protective wall, so that the guide effect on the driving wheel 700 is achieved.
Referring to fig. 7, in some embodiments, the guide wheels 701 can extend and retract along the rail direction.
In the above embodiment, the structure of the guide wheel 701 is further optimized, the telescopic guide wheel 701 is arranged, so that the position of the driving wheel 700 in the groove of the protective wall can be conveniently adjusted, and the driving wheel can be conveniently adapted to the grooves of the protective wall with different sizes, so that the guide wheel 701 can be in contact with the inner wall of the groove of the protective wall through the telescopic effect of the guide wheel 701
Referring to FIG. 5, in some embodiments, a cable reel is provided on the chassis 604.
Referring to fig. 8, in some embodiments, the corresponding fine adjustment driving mechanism is hinged to the transmission shaft 500 and can drive the transmission shaft 500 to rotate, the transmission shaft 500 can extend and retract along its length direction, at least two telescopic rods are disposed outside the transmission shaft 500, one end of each telescopic rod is connected to the support frame 606, the other end of each telescopic rod is connected to a guide plate, a through hole through which the transmission shaft 500 can pass is disposed in the middle of each guide plate, a guide groove is disposed on the inner wall of each through hole, a guide disc is disposed on the periphery of the transmission shaft 500, and the guide discs are in sliding fit with.
In the above embodiment, the connecting member 501 is provided at the bottom of the transmission shaft 500 for connection with the corresponding rotation shaft or screw on the tray body 100, since even though the supporting bracket 606 is coarsely adjusted in the vertical and rail directions, smooth docking with the tray body 100 is not necessarily ensured. Therefore, the supporting frame 606 is generally lowered to a designated position, even if the connecting member 501 at the bottom end of the transmission shaft 500 reaches the height of the top surface of the bracket body 100, at this time, the transmission shaft 500 is manually operated to lift up, and the transmission shaft 500 is properly bent, so that the transmission shaft 500 changes relative to the vertical angle, and the position of the through hole just corresponds to each transmission shaft 500 at the top end of the bracket body 100, thereby realizing the butt joint of the two, and then fixing at the later stage.
Specifically, a restoring structure, such as a restoring spring, is disposed between the transmission shaft 500 and the guide plate, so that the transmission shaft 500 can be restored to the extended state after being lifted. The telescopic rod is arranged, the guide disc slides in the guide groove, so that the transmission shaft 500 is guided and limited conveniently, and the stability of the transmission shaft 500 is ensured.
Further, also can articulate through the round pin axle between transmission shaft 500 and the connecting piece 501, and articulated direction and accurate adjustment actuating mechanism for transmission shaft 500 articulated direction mutually perpendicular to can satisfy the transmission shaft 500 and buckle in the equidirectional not, so that the structure on connecting piece 501 and the bracket body 100 carries out effectual butt joint more fast.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A CRTS III type track slab fine tuning system is characterized by comprising a fine tuning machine and a fine tuning bracket;
the fine adjustment machine comprises a longitudinal adjustment mechanism (601), the longitudinal adjustment mechanism (601) comprises a transmission shaft (500) which is longitudinally arranged and a fine adjustment driving mechanism which is used for driving the transmission shaft (500) to rotate, and a connecting piece (501) is arranged at the bottom of the transmission shaft (500);
the fine tuning bracket comprises a bracket body (100), a pair of hanging plates (101) which are used for being fixed on two sides of the track plate are arranged on the bracket body (100), a longitudinal adjusting rotating shaft (200) connected with the connecting piece (501) and a longitudinal transmission mechanism (201) in transmission connection with the longitudinal adjusting rotating shaft (200) are further arranged on the bracket body (100), and the longitudinal transmission mechanism (201) is used for driving the hanging plates (101) to move along the longitudinal direction of the track.
2. The CRTS type iii track slab fine tuning system of claim 1, wherein the fine tuning machine comprises a rail-wise adjusting mechanism (602), the rail-wise adjusting mechanism (602) being in accordance with the structure of the longitudinal adjusting mechanism (601);
the bracket body (100) is provided with a rail direction adjusting rotating shaft (300) connected with a connecting piece (501) on a rail direction adjusting mechanism (602) and a rail direction transmission mechanism (301) in transmission connection with the rail direction adjusting rotating shaft (300), and the rail direction transmission mechanism (301) is used for driving the hanging plate (101) to move along the longitudinal direction of the rail;
3. the CRTS type iii track slab fine tuning system of claim 2, wherein the fine tuning machine further comprises an elevation adjustment mechanism (603), the elevation adjustment mechanism (603) being in accordance with the structure of the longitudinal adjustment mechanism (601);
the height adjusting mechanism is characterized in that an elevation adjusting screw (400) used for being connected with a connecting piece (501) on the elevation adjusting mechanism (603) is arranged on the bracket body (100), and the elevation adjusting screw (400) is connected with the bracket body (100) through threads.
4. The CRTS III track board fine tuning system according to claim 3, characterized in that the fine tuning machines each comprise a base frame (604) and a pair of top frames (605) provided at the top end of the base frame (604), the pair of top frames (605) being arranged in the railway longitudinal direction, one bracket body (100) being provided below each top frame (605);
the longitudinal adjusting rotating shaft (200) and the rail direction adjusting rotating shaft (300) are arranged on each bracket body (100) and are divided into two ends located at the bracket bodies (100), and the elevation adjusting screw rods (400) are arranged on each bracket body (100) in pair and are located at the two ends of the bracket bodies (100);
the longitudinal adjusting mechanism (601), the rail direction adjusting mechanism (602) and the elevation adjusting mechanism (603) on the top frame (605) are respectively arranged at the positions corresponding to the longitudinal adjusting rotating shaft (200), the rail direction adjusting rotating shaft (300) and the elevation adjusting screw rod (400) on the bracket body (100).
5. CRTS III track plate fine tuning system according to claim 4, characterized by the fact that the longitudinal (200) and the rail (300) adjusting spindles on the two carriage bodies (100) are diagonally arranged with respect to the fine tuning machine.
6. The CRTS III track board fine-tuning system of claim 5, wherein the rail-direction transmission mechanism (301) comprises a pair of hanging blocks (302) respectively connected with a pair of the hanging boards (101), one of the hanging blocks (302) is used for driving the corresponding hanging board (101) to move along the rail-direction of the railway, and the corresponding pair of the hanging blocks (302) is movably connected with the pair of the hanging boards (101) along the longitudinal direction of the railway;
the longitudinal transmission mechanism (201) comprises a movable block (202) for driving the corresponding hanger plate (101) to move along the longitudinal direction of the railway, and the movable block (202) is movably connected with the hanger plate (101) along the direction of the railway track;
the lifting plate (101) is longitudinally provided with strip-shaped clamping grooves along a railway, the lifting blocks (302) are respectively and movably clamped in the corresponding strip-shaped clamping grooves, the movable block (202) is provided with a guide hole along the railway direction, and the lifting plate (101) is provided with a guide post matched with the guide hole.
7. CRTS type III track slab fine tuning system according to any of the claim 6 characterized in that the longitudinal transmission mechanism (201) comprises a longitudinal transmission screw (203) arranged longitudinally along the railway, the end of the longitudinal adjustment rotation shaft (200) and the longitudinal transmission screw (203) is connected with the conical gears meshing with each other, the longitudinal transmission screw (203) is connected with a longitudinal nut (204) by screw thread, the longitudinal nut (204) is connected with the corresponding movable block (202);
the rail-direction transmission mechanism (301) comprises rail-direction transmission screw rods (303) arranged along the rail direction of the railway, the end parts of the rail-direction adjusting rotating shaft (300) and the rail-direction transmission screw rods (303) are connected with conical gears which are meshed with each other, and the rail-direction transmission screw rods (303) are in threaded connection with the corresponding hanging blocks (302).
8. The CRTS III track slab fine adjustment system according to claim 7, wherein a pair of supporting plates (102) which are parallel to each other and are vertically arranged are arranged at two ends of the bracket body (100), a pair of hanging blocks (302) are respectively and movably clamped in a reserved space formed between the two corresponding supporting plates (102), a reserved block (401) is arranged in the reserved space, the elevation adjusting screw (400) is in threaded connection with the corresponding reserved block (401), the longitudinal transmission screw (203) is located in the corresponding reserved space, and the longitudinal adjusting rotating shaft (200) is located on the outer side of the bracket body (100).
9. The CRTS III track board fine adjustment system according to any one of claims 3 to 8, wherein each top frame (605) is provided with a support frame (606), the elevation adjustment mechanism (603), the track direction adjustment mechanism (602) and the longitudinal adjustment mechanism (601) are all arranged on the support frame (606), and the support frame (606) is driven by the coarse adjustment driving mechanism and can move along a vertical direction and a railway track direction;
the rough adjustment driving mechanism comprises a vertical driving part (607), a transition part (608) and a transverse driving part (609), wherein the vertical driving part (607) is used for driving the transition part (608) to move along the vertical direction, the transition part (608) is movably connected with the supporting frame (606), and the transverse driving part (609) is used for driving the supporting frame (606) to move along the railway track direction on the transition part (608).
10. The CRTS III track board fine adjustment system according to any one of claims 1 to 8, wherein the corresponding fine adjustment driving mechanism is hinged to the transmission shaft (500) and can drive the transmission shaft (500) to rotate, the transmission shaft (500) can extend and retract along its length direction, at least two extension rods are arranged on the outer side of the transmission shaft (500), one end of each extension rod is connected with the support frame (606), the other end of each extension rod is connected with the other end of the corresponding extension rod through a guide plate, a first through hole for the transmission shaft (500) to pass through is arranged in the middle of the guide plate, a guide groove is arranged on the inner wall of the first through hole, a guide disc is arranged on the periphery of the transmission shaft (500), and the guide disc is in sliding fit with the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905255.8A CN112112011A (en) | 2020-09-01 | 2020-09-01 | Accurate adjustment system for CRTS III type track slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905255.8A CN112112011A (en) | 2020-09-01 | 2020-09-01 | Accurate adjustment system for CRTS III type track slab |
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| Publication Number | Publication Date |
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| CN112112011A true CN112112011A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010905255.8A Pending CN112112011A (en) | 2020-09-01 | 2020-09-01 | Accurate adjustment system for CRTS III type track slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941988A (en) * | 2021-04-15 | 2021-06-11 | 中铁十一局集团第三工程有限公司 | Track fine adjustment frame |
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| DE19858899A1 (en) * | 1998-12-19 | 2000-06-29 | Zueblin Ag | Permanent way construction method with frame containing sleepers lowered into fresh concrete track plate to final position and held by frame until setting |
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Application publication date: 20201222 |