CN109680568B - Track beam linear adjustment device and method - Google Patents
Track beam linear adjustment device and method Download PDFInfo
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- CN109680568B CN109680568B CN201910153813.7A CN201910153813A CN109680568B CN 109680568 B CN109680568 B CN 109680568B CN 201910153813 A CN201910153813 A CN 201910153813A CN 109680568 B CN109680568 B CN 109680568B
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- track beam
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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
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
- E01B25/10—Mono-rails; Auxiliary balancing rails; Supports or connections for rails
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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
- E01B33/00—Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明提供了一种轨道梁线形调节设备及方法，涉及轨道交通施工技术领域，轨道梁线形调节设备包括基座、线形调节装置、能够套接固定在轨道梁上的环箍、临时支撑装置以及固定支撑装置；线形调节装置连接基座和环箍，并能够完成环箍内的轨道梁在横向、纵向和竖向的移动，临时支撑装置可拆卸的连接基座和环箍，并能够保证环箍内的轨道梁在移动时不会发生倾覆，固定支撑装置可拆卸的连接基座和环箍，以保证环箍内的轨道梁与基座的相对固定。缓解了现有技术中对跨座式轨道梁进行线形调节的设备周转效率低的技术问题。
The present invention provides a track beam linear adjustment device and method, which relates to the field of rail transit construction technology. The track beam linear adjustment device includes a base, a linear adjustment device, a hoop that can be sleeved and fixed on the track beam, a temporary support device and a fixed support device; the linear adjustment device connects the base and the hoop, and can complete the horizontal, longitudinal and vertical movement of the track beam in the hoop, the temporary support device detachably connects the base and the hoop, and can ensure that the track beam in the hoop will not overturn when moving, and the fixed support device detachably connects the base and the hoop to ensure that the track beam in the hoop is relatively fixed to the base. The technical problem of low turnover efficiency of equipment for linear adjustment of straddle-type track beams in the prior art is alleviated.
Description
Technical Field
The invention belongs to the technical field of track traffic construction, and particularly relates to track beam linear adjusting equipment and a track beam linear adjusting method.
Background
In a straddle type rail transit system, the rail beam is both a load-bearing structure and a traveling rail, which requires high accuracy in rail beam installation. The track beam is used as a reinforced concrete structure, the self weight of the track beam is large, the height and width of the straddle type track beam are large to meet the requirements of bearing and travelling, the requirement on hoisting equipment is high during hoisting, and meanwhile, the track beam also has severe installation precision, so that the track beam cannot be lifted in place in one step. When the track beam is installed, the track beam is required to be lifted to the upper part of the support by using large lifting equipment, then slowly falls down to the temporary support, and meanwhile, temporary fixing measures are taken for the track beam to prevent overturning, and the track beam line shape is adjusted to be in place after the temporary fixing is completed.
The temporary fixing device cannot be removed immediately after the track beam is installed due to the construction of the post-cast strip and the transverse tie beam, so that a long time is required to be occupied, and the technical problem to be solved by related technicians is how to provide the high-efficiency straddle type track beam linear adjusting device with high equipment turnover and use efficiency.
Disclosure of Invention
The invention aims to provide track beam linear adjusting equipment and a track beam linear adjusting method, which are used for solving the technical problem that in the prior art, the turnover efficiency of equipment for performing linear adjustment on a straddle type track beam is low.
The invention provides track beam linear adjusting equipment which comprises a base, a linear adjusting device, a temporary supporting device, a fixed supporting device and a hoop capable of being sleeved and fixed on a track beam;
the linear adjusting device is connected with the base and the hoops, and can finish the movement of the track beam in the hoops in the transverse direction, the longitudinal direction and the vertical direction, the temporary supporting device is detachably connected with the base and the hoops, the track beam in the hoops can be prevented from overturning during movement, and the fixed supporting device is detachably connected with the base and the hoops, so that the track beam in the hoops is ensured to be fixed relative to the base.
Further, the linear adjusting device comprises a longitudinal jack, a transverse jack, a vertical jack, a first bottom plate, a second bottom plate and a third bottom plate which are mutually stacked from bottom to top;
The first bottom plate is fixed on the base, the end part and the cylinder body of the longitudinal jack are respectively connected with the first bottom plate and the second bottom plate, and the cylinder body and the end part of the transverse jack are respectively connected with the second bottom plate and the third bottom plate; the vertical jack cylinder body is connected with the third bottom plate, and the end part supports the hoop.
Further, one transverse jack is arranged, and two longitudinal jacks and two vertical jacks are arranged;
The first bottom plate is in the both sides of second bottom plate are fixed with respectively two relative first mount pad that are used for fixing vertical jack tip that set up, be equipped with in the middle of the second bottom plate and be used for fixing the second mount pad of horizontal jack cylinder body, be equipped with in the middle of the third bottom plate and overlap the working hole of establishing the second mount pad, the third bottom plate is in the working hole both sides are equipped with and are used for placing the U type spacing groove of vertical jack cylinder body.
Further, the temporary supporting device comprises a connecting rod, a sliding plate and a temporary diagonal brace with adjustable length;
the temporary diagonal brace is characterized in that two ends of the temporary diagonal brace are respectively pivoted with the hoop and the sliding plate, the sliding plate is arranged on the base in a sliding mode, the sliding direction of the sliding plate is transverse, and two ends of the connecting rod are respectively fixedly connected with the sliding plate and the third bottom plate.
Further, the temporary inclined stay bar comprises a bottom ball fork lug, a guide bar, a lock nut, a support sleeve, a support jack and a top ball fork lug;
the bottom ball fork ear is connected to the sliding plate, the top of the bottom ball fork ear, the supporting jack, the guide rod and the top ball fork ear are sequentially connected, the top ball fork ear is connected with the side edge of the hoop, the supporting sleeve is sleeved on the guide rod and the supporting jack, and the locking nut is used for fixing the supporting jack and the supporting sleeve.
Further, two groups of fixing plates which are oppositely arranged are fixed on the base, a sliding groove is formed between the two groups of fixing plates, and the sliding plate is arranged in the sliding groove in a sliding mode.
Further, the fixed supporting device comprises a counter pull rod, two bases and two fixed diagonal braces; the two bases are fixed on the base and are arranged on two sides of the sliding plate; one end of each of the two fixed inclined stay bars is pivoted with the two bases, and the other end of each of the two fixed inclined stay bars is pivoted with the hoop; two ends of the pair of pull rods are respectively connected with two fixed diagonal braces.
Furthermore, the temporary supporting devices and the fixed supporting devices are respectively provided with two groups, the two groups of temporary supporting devices are symmetrically arranged on two sides of the hoop, and the two groups of fixed supporting devices are symmetrically arranged on two sides of the hoop.
Further, the hoop comprises a top plate, a bottom connecting plate and two side plates;
The upper ends of the two side plates are respectively pivoted with two ends of the top plate, the lower ends of the two side plates are respectively connected with the bottom connecting plate, and the outer sides of the side plates are provided with lug plates which are used for being pivoted with the temporary inclined stay bars and the fixed inclined stay bars.
The invention also provides a track beam line shape adjusting method, which is designed by using the track beam line shape adjusting device and sequentially comprises the following steps:
s1: sleeving a top plate and two side plates of the hoop at a designated position of the prefabricated track beam;
s2: installing a linear adjusting device on the base, and connecting the end part of a vertical jack in the linear adjusting device with a bottom connecting plate of the hoop;
s3: hoisting the track beam to the bottom connecting plate through a hoisting tool, and then fixing the side plates of the hoops and the bottom connecting plate;
s4: installing a temporary supporting device, adjusting the length of the temporary diagonal bracing, and connecting the third base with the sliding plate through a connecting rod;
s5: the position of the track beam is adjusted through the longitudinal jack, the transverse jack and the vertical jack, and after adjustment is completed, the fixed supporting device is installed, and the temporary supporting device is detached;
s6: installing a permanent support, and performing post-pouring belt construction between the adjusted track beam and the installed track beam;
s7: the permanent support and the track beam are preliminarily connected through bolts, the fixed supporting device is disassembled, the end part of the vertical jack moves downwards, and the hoop is disassembled;
s8: and (5) screwing the connecting bolts of the permanent support and the track beam.
Compared with the prior art, the track beam linear adjusting device and the track beam linear adjusting method provided by the invention have the following beneficial effects:
In the linear track beam adjusting device provided by the invention, the linear adjusting device is arranged on the base, the track beam is placed on the linear adjusting device through the hoops, and the linear adjusting device can finish the transverse, longitudinal and vertical movements of the track beam relative to the base; the temporary supporting device is respectively connected with the base and the hoop, so that the rail beam is prevented from overturning under wind load or deflection state when linear adjustment is carried out; after the linear adjustment of the track beam is completed, the fixed supporting device is respectively connected with the base and the hoops, and the temporary supporting device is replaced to complete the stable support of the track beam in the hoops so as to ensure that the track beam is kept motionless in the post-pouring strip construction process. After the fixed supporting device is installed, the temporary supporting device can be detached for turnover use, so that the turnover use efficiency of the temporary supporting device is improved, and the equipment capital occupation amount is reduced.
According to the track beam linear adjusting method provided by the invention, the longitudinal, transverse and vertical adjustment of the track beam is completed through the longitudinal jack, the transverse jack and the vertical jack, and the three jacks are integrated into a whole for control, so that the system synchronism is good, the synchronous precision among the jacks at each action point reaches +/-1 mm, and the functions of synchronous monitoring of pressure and displacement and the like are assisted, so that the construction precision of the track beam installation is ensured. Meanwhile, in the linear adjusting process, the temporary supporting device provides balanced supporting force for overturning resistance of the track beam under the windward load and the inclined state, and safety in the track beam installation and construction process is guaranteed. In addition, the temporary fixing device is replaced by the fixing supporting device, so that the service cycle of the temporary fixing device is shortened, the turnover use efficiency of the equipment system is improved, and the equipment fund occupation amount is reduced. Finally, after the fixing of the track beam and the permanent support is completed, the fixing support device can be detached and immediately used in the installation construction of the next track beam, so that the circulating operation construction is performed, and the turnover utilization rate of equipment is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a track beam linear adjusting device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a linear adjusting device of a linear adjusting apparatus for a track beam according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a temporary supporting device in a track beam linear adjusting apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing and supporting device in a track beam linear adjusting apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a hoop in a track beam linear adjusting device according to an embodiment of the present invention.
Icon: 1-a base; 2-linear adjusting device; 3-hoops; 4-temporary support means; 5-a fixed support device; 21-a first bottom plate; 22-a second floor; 23-a third bottom plate; 24-a longitudinal jack; 25-transverse jack; 26-a vertical jack; 27-a first mount; 28-a second mount; 29-U-shaped limit grooves; 31-top plate; 32-side plates; 33-a bottom connection plate; 34-ear plate; 35-baffle; 41-temporary diagonal braces; 42-connecting rods; 43-skateboard; 44-a fixed plate; 51-a pair of pull rods; 52-a base; 53-fixing diagonal braces; 411-bottom ball fork ears; 412-a guide bar; 413-a support sleeve; 414-support jack; 415-top ball fork ears; 416-lock nut.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a track beam linear adjusting apparatus, which includes a base 1, a linear adjusting device 2, a temporary supporting device 4, a fixed supporting device 5, and a hoop 3 capable of being sleeved and fixed on a track beam; the linear adjusting device 2 is connected with the base 1 and the hoop 3, and can finish the movement of the track beam in the hoop 3 in the transverse direction, the longitudinal direction and the vertical direction, the temporary supporting device 4 is detachably connected with the base 1 and the hoop 3, and can ensure that the track beam in the hoop 3 cannot overturn when moving, and the fixed supporting device 5 is detachably connected with the base 1 and the hoop 3, so that the track beam in the hoop 3 is relatively fixed with the base 1.
In the track beam linear adjusting device provided by the embodiment, the linear adjusting device 2 is arranged on the base 1, the track beam is placed on the linear adjusting device 2 through the hoop 3, and the linear adjusting device 2 can finish the transverse, longitudinal and vertical movement of the track beam relative to the base 1; the temporary supporting device 4 is respectively connected with the base 1 and the hoop 3, so that the rail beam is ensured not to overturn under wind load or deflection state when linear adjustment is carried out; after the linear adjustment of the track beam is completed, the fixed supporting device 5 is respectively connected with the base 1 and the hoops 3 to replace the temporary supporting device 4 to complete the stable support of the track beam in the hoops 3, so that the track beam is ensured to be kept still in the post-pouring strip construction process. After the fixed supporting device 5 is installed, the temporary supporting device 4 can be detached for turnover use, so that the turnover use efficiency of the temporary supporting device 4 is improved, and the equipment capital occupation amount is reduced.
It is noted that the base 1 in this embodiment is an i-steel with a planar upper surface, the hoop 3 is similar to a sleeve structure, and after the hoop 3 is sleeved and fixed with the track beam, the inner side surface of the hoop 3 is mutually attached to the top surface, the side surface and the bottom surface of the track beam, so that the two are ensured to be relatively fixed, and the adjustment of the linear adjusting device 2 on the hoop 3 is the adjustment of the track beam; in addition, the transverse direction mentioned in the present embodiment is the width direction of the track beam, the longitudinal direction is the length direction of the track beam, and the vertical direction is the height direction of the track beam; finally, the present embodiment preferably selects at least two sets of track beam alignment adjustment devices to collectively accomplish support and alignment adjustment of a piece of track beam.
Specifically, the specific structure of the track beam linear adjusting device is described in detail in the following.
First, as shown in fig. 2 and 4, in the present embodiment, the linear adjusting device 2 includes a longitudinal jack 24, a lateral jack 25, a vertical jack 26, and a first bottom plate 21, a second bottom plate 22, and a third bottom plate 23 that are stacked on top of each other from bottom to top; the first bottom plate 21 is fixed on the base 1, the end parts and the cylinder parts of the longitudinal jacks 24 are respectively connected with the first bottom plate 21 and the second bottom plate 22, and the cylinder parts and the end parts of the transverse jacks 25 are respectively connected with the second bottom plate 22 and the third bottom plate 23; the vertical jack 26 cylinder body is connected with the third bottom plate 23, and the end part supports the hoop 3.
Namely, the longitudinal jack 24 works to complete the sliding of the second bottom plate 22 on the first bottom plate 21 along the length direction of the rail beam; the transverse jack 25 works to complete the sliding of the third bottom plate 23 on the second bottom plate 22 along the width direction of the rail beam; the vertical jack 26 works to directly act on the hoop 3 to complete the adjustment of the height of the track beam.
Preferably, as shown in fig. 4, one transverse jack 25 is provided in the present embodiment, and two longitudinal jacks 24 and two vertical jacks 26 are provided; the first bottom plate 21 is fixed with two first mount pads 27 that are used for fixing vertical jack 24 tip that set up relatively respectively in the both sides of second bottom plate 22, is equipped with the second mount pad 28 that is used for fixing the horizontal jack 25 cylinder body in the middle of the second bottom plate 22, be equipped with in the middle of the third bottom plate 23 and overlap the working hole of establishing second mount pad 28, third bottom plate 23 is equipped with the U type spacing groove 29 that is used for placing the vertical jack 26 cylinder body in the working hole both sides.
Specifically, in this embodiment, telescopic piston rods are disposed on two sides of the cylinder body of the longitudinal jack 24 and the lateral jack 25, where the two longitudinal jacks 24 are symmetrically disposed on two sides of the second bottom plate 22, and ends of the two piston rods of each longitudinal jack 24 are respectively fixed on two oppositely disposed first mounting portions, and the cylinder body is fixed on the side edge of the second bottom plate 22; the transverse jacks 25 are arranged in parallel in the working holes of the third bottom plate 23, the cylinder bodies of the transverse jacks 25 are fixed on the second mounting seats 28 on the second bottom plate 22, and the end parts of the two piston rods are respectively fixed on the side edges of the third bottom plate 23 which enclose the working holes. The U-shaped limiting grooves 29 are symmetrically formed in two sides of the working hole, at this time, the vertical jack is arranged, a telescopic piston rod is arranged on one side of the cylinder body, the cylinder body is clamped in the U-shaped limiting grooves 29, and the end part of the piston rod is vertically upwards.
It should be noted that, in this embodiment, the first mounting seats 27 located at two sides of the second bottom plate 22 are abutted against the second bottom plate 22, so as to complete the limitation of the second bottom plate 22 in the width direction of the rail beam, and ensure that the second bottom plate 22 remains motionless and the third bottom plate 23 moves in the width direction of the rail beam when the transverse jack 25 works. Or in this embodiment, limiting blocks for limiting the movement of the second bottom plate 22 may be specially arranged on two sides of the second bottom plate 22, and the limiting blocks are fixed on the first bottom plate 21 through bolts.
As shown in fig. 2, the temporary supporting device 4 provided in the present embodiment includes a connecting rod 42, a sliding plate 43, and a temporary diagonal brace 41 with an adjustable length; the two ends of the temporary diagonal brace 41 are respectively pivoted with the hoop 3 and the sliding plate 43, the sliding plate 43 is arranged on the base 1 in a sliding way, the sliding direction of the sliding plate 43 is transverse, and the two ends of the connecting rod 42 are respectively fixedly connected with the sliding plate 43 and the third bottom plate 23.
Specifically, the transverse direction herein also refers to the width direction of the rail beam, and after the temporary diagonal braces 41 are respectively connected with the hoops 3 and the sliding plates 43, the length of the temporary diagonal braces 41 is adjusted until the upper surface of the rail beam is a horizontal plane, and then the length of the temporary diagonal braces 41 is kept unchanged, which completes the supporting and anti-overturning effects on the rail beam. The connecting rod 42 is fixedly connected with the sliding plate 43 and the third bottom plate 23 respectively, at this time, the length of the connecting rod 42 is unchanged, the third bottom plate 23 and the sliding plate 43 are relatively fixedly arranged in the width direction of the track beam, when the transverse jack 25 transversely adjusts the track beam, the third bottom plate 23 moves and makes the sliding plate 43 and the temporary diagonal bracing 41 on the sliding plate 43 follow, and the temporary diagonal bracing 41 can guarantee the supporting and anti-overturning effects on the track beam at any time.
Preferably, as shown in fig. 2, the temporary diagonal brace 41 of the present embodiment includes a bottom ball fork ear 411, a guide rod 412, a lock nut 416, a support sleeve 413, a support jack 414, and a top ball fork ear 415; the bottom ball fork ear 411 is connected on the slide plate 43, and bottom ball fork ear 411 top, supporting jack 414, guide bar 412 and top ball fork ear 415 connect gradually, and top ball fork ear 415 is connected with the side of hoop 3, and supporting sleeve 413 overlaps on guide bar 412 and supporting jack 414, and locking nut 416 fixed supporting jack 414 and supporting sleeve 413.
Specifically, the end of the piston rod of the supporting jack 414 is fixedly connected with one end of the guide rod 412, and the supporting jack 414 drives the piston rod to stretch and retract to complete the adjustment of the whole length of the temporary diagonal brace 41. Wherein, support sleeve 413 cover is established on support jack 414 and guide bar 412, and guide bar 412 and support sleeve 413 sliding connection, and support sleeve 413 can prevent that the piston rod from receiving great radial force and influencing the work of support jack 414, simultaneously, support sleeve 413 also plays the effect of strengthening interim diagonal brace 41 bulk strength.
Further, as shown in fig. 2, two sets of fixing plates 44 are fixed on the base 1, a sliding groove is formed between the two sets of fixing plates 44, and the sliding plate 43 is slidably disposed in the sliding groove.
Specifically, the fixing plate 44 is fixed to the first base plate 21 by bolts, and after the linear adjustment of the rail beam is completed and the fixing and supporting device 5 is installed, the fixing plate 44 can be detached together with the temporary diagonal bracing device and applied to the next group of rail beam linear adjustment devices.
In this embodiment, as shown in fig. 3, the fixed supporting device 5 includes a pair of tie rods 51, two bases 52, and two fixed diagonal braces 53; two bases 52 are fixed on the base 1 and provided on both sides of the slide plate 43; one end of each of the two fixed diagonal braces 53 is pivoted with the two bases 52, the other end of each of the two fixed diagonal braces 53 is pivoted with the hoop 3, and two ends of the opposite pull rod 51 are respectively connected with the two fixed diagonal braces 53.
Specifically, two fixed diagonal braces 53 are arranged on the same side of the hoop 3 and are arranged at an included angle, and the two fixed diagonal braces 53 are supported on the track beam together, and the two fixed diagonal braces 53 are connected with the pull rod 51 respectively, so that the strength of the fixed diagonal braces 53 is ensured, and the fixed diagonal braces 53 are prevented from being bent radially.
Preferably, in this embodiment, through holes are formed in the same position of the fixed diagonal braces 53, the pair of tie rods 51 pass through the through holes on the pair of fixed diagonal braces 53, and both ends are fixed by nuts.
It is worth noting that the vertical jack 26, the horizontal jack 25, the longitudinal jack 24 and the supporting jack 414 are all hydraulic jacks, meanwhile, the length adjustment mode of the fixed diagonal brace 53 is a mechanical mode, the length adjustment mode can be manually adjusted, the structure is simpler than that of the temporary supporting device 4, the temporary supporting device 4 is replaced by the fixed diagonal brace, the turnover use efficiency of the temporary supporting device 4 is improved, and the equipment capital occupation amount is reduced.
Preferably, in this embodiment, the temporary supporting device 4 and the fixed supporting device 5 have two groups, the two groups of temporary supporting devices 4 are symmetrically arranged at two sides of the hoop 3, and the two groups of fixed supporting devices 5 are symmetrically arranged at two sides of the hoop 3.
Finally, as shown in fig. 5, the hoop 3 of the present embodiment includes a top plate 31, a bottom connecting plate 33, and two side plates 32; the upper ends of the two side plates 32 are respectively pivoted with the two ends of the top plate 31, the lower ends are respectively connected with the bottom connecting plates 33, and the outer sides of the side plates 32 are provided with ear plates 34 which are used for being pivoted with the temporary diagonal braces 41 and the fixed diagonal braces 53.
Specifically, when two curb plates 32 are parallel to each other and set up, the distance between two curb plates 32 equals the width of track roof beam, and the upper surface both ends of bottom connecting plate 33 are through bolt fastening there being baffle 35, and when the lower terminal surface of two curb plates 32 and the upper surface laminating contact of bottom connecting plate 33, the lateral surface of curb plate 32 can with baffle 35 butt, and hoop 3 forms closed annular hole this moment, and when the track roof beam was fixed in the annular hole, curb plate 32 card was established between baffle 35 and track roof beam, guaranteed the fixed of hoop 3 structure. When the hoop 3 is required to be disassembled after the track beam is installed, the side plates 32 can be separated from the bottom connecting plate 33 only by detaching the baffle 35 from the bottom connecting plate 33, and then the top plate 31 and the two side plates 32 can be directly separated from the track beam.
Example two
The embodiment of the invention provides a track beam linear adjusting method, which is designed by utilizing the track beam linear adjusting equipment and sequentially comprises the following steps:
s1: a top plate 31 and two side plates 32 of the hoop 3 are sleeved at the appointed position of the prefabricated track beam;
s2: the linear adjusting device 2 is arranged on the base 1, and the end part of the vertical jack 26 in the linear adjusting device 2 is connected with the bottom connecting plate 33 of the hoop 3;
at this time, the upper end surface of the end portion of the piston rod of the vertical jack 26 is a horizontal surface with a larger area, and the bottom connecting plate 33 can be directly laid on the upper end surface of the end portion.
S3: hoisting the track beam to the bottom connecting plate 33 by a hoisting tool, and then fixing the side plates 32 of the hoops 3 and the bottom connecting plate 33;
at this time, the fixing of the side plate 32 and the bottom connecting plate 33 is accomplished by the baffle 35 and the rail beam clamping side plate 32.
S4: installing a temporary supporting device 4, adjusting the length of the temporary diagonal brace 41, and connecting the third base 52 with the sliding plate 43 through the connecting rod 42;
The temporary support device 4 firstly completes the position calibration of the track beam and ensures that the track beam does not deflect in the subsequent moving process.
S5: the position of the track beam is adjusted through the longitudinal jack 24, the transverse jack 25 and the vertical jack 26, and after the adjustment is finished, the fixed supporting device 5 is installed, and the temporary supporting device 4 is disassembled;
When the rail beam is docked with the end of the installed rail beam, this represents the completion of the adjustment.
S6: installing a permanent support, and performing post-pouring belt construction between the adjusted track beam and the installed track beam;
after the permanent support is in place and the anchor bolt hole is grouting, the permanent support is positioned right below the track beam, and the upper end face of the permanent support is nearly in fit contact with the lower end face of the track beam.
S7: the permanent support and the track beam are preliminarily connected through bolts, the fixed supporting device 5 is disassembled, the end part of the vertical jack 26 moves downwards, and the hoop 3 is disassembled;
At this time, the rail beam is fully acted on the permanent support, the vertical jack 26 is separated from the hoop 3, and the rail beam linear adjusting device can be completely disassembled for use in the installation construction of the next rail beam.
S8: and (5) screwing the connecting bolts of the permanent support and the track beam.
According to the track beam line shape adjusting method provided by the embodiment of the invention, the longitudinal, transverse and vertical adjustment of the track beam is completed through the longitudinal jack 24, the transverse jack 25 and the vertical jack 26, and the three jacks are integrated into a whole for control, so that the system synchronism is good, the synchronous precision among the jacks of all the action points reaches +/-1 mm, and the functions of synchronous monitoring of pressure and displacement and the like are assisted, so that the construction precision of the track beam installation is ensured. Meanwhile, in the linear adjusting process, the temporary supporting device 4 provides balanced supporting force for overturning resistance of the track beam in the windward load and inclined state, and safety in the track beam installation and construction process is guaranteed. In addition, the temporary fixing device is replaced by the fixing support device 5, so that the service cycle of the temporary fixing device is shortened, the turnover use efficiency of the equipment system is improved, and the equipment fund occupation amount is reduced. Finally, after the fixing of the track beam and the permanent support is completed, the fixing and supporting device 5 can be detached and immediately used in the installation and construction of the next track beam, and the circulating operation construction is performed, so that the turnover utilization rate of equipment is further improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153813.7A CN109680568B (en) | 2019-02-28 | 2019-02-28 | Track beam linear adjustment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153813.7A CN109680568B (en) | 2019-02-28 | 2019-02-28 | Track beam linear adjustment device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680568A CN109680568A (en) | 2019-04-26 |
| CN109680568B true CN109680568B (en) | 2024-07-26 |
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| CN110820570B (en) * | 2019-10-31 | 2025-05-16 | 中铁第四勘察设计院集团有限公司 | Track beam positioning storage device and adjustable track beam erecting platform |
| CN110820571B (en) * | 2019-10-31 | 2025-05-30 | 中铁第四勘察设计院集团有限公司 | Adjustable track beam erection platform and track beam erection method |
| CN112878194B (en) * | 2019-11-29 | 2023-02-10 | 比亚迪股份有限公司 | Adjustment and positioning device for bridges |
| CN110847054B (en) * | 2019-12-02 | 2024-07-23 | 四川发展磁浮科技有限公司 | Tool for assembling middle-low speed magnetic levitation track beam |
| CN112921718B (en) * | 2021-01-28 | 2022-11-01 | 柳州煜乾机械装备股份公司 | Light rail track beam continuous jacking installation device and its use method |
| CN113481820A (en) * | 2021-07-09 | 2021-10-08 | 武汉均楚创金技术咨询有限公司 | Bidirectional balance type lifting bridge |
| CN113564972A (en) * | 2021-08-10 | 2021-10-29 | 中建五局土木工程有限公司 | A kind of PC track beam rapid turnover system and its construction method |
| CN114045710B (en) * | 2021-10-28 | 2023-09-15 | 上海市安装工程集团有限公司 | Construction method of track slab beam |
| CN114086438B (en) * | 2021-12-01 | 2024-01-30 | 中国建筑第五工程局有限公司 | Linear fine adjustment device for track Liang Kongjian in tunnel and intelligent control method thereof |
| CN115159345B (en) * | 2022-07-29 | 2025-01-07 | 浙江中南绿建科技集团有限公司 | A method for accurately installing inclined columns |
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| CN109162158A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The adjusting method and system of track girder assembly |
| CN209958161U (en) * | 2019-02-28 | 2020-01-17 | 中建五局土木工程有限公司 | Linear adjusting equipment of track beam |
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| JPH0639090B2 (en) * | 1988-11-30 | 1994-05-25 | 株式会社日立製作所 | Equipment for manufacturing monorail track girders |
| JP3811618B2 (en) * | 2001-01-17 | 2006-08-23 | 株式会社日立製作所 | Stretched monorail track girder and installation method thereof |
| KR200253550Y1 (en) * | 2001-07-28 | 2001-11-22 | 주식회사 한국종합기술개발공사 | Hydraulic support structure of pier copping of a concrete construction |
| KR100834098B1 (en) * | 2008-02-20 | 2008-06-02 | 주식회사 오케이컨설턴트 | Stable Lifting Method of Bridge Upper Structure |
| CN208183536U (en) * | 2017-12-29 | 2018-12-04 | 比亚迪股份有限公司 | The stringer of track girder |
| CN108894108B (en) * | 2018-06-06 | 2019-12-06 | 洛阳双瑞特种装备有限公司 | bridge linear multidimensional adjusting device |
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| CN109162158A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The adjusting method and system of track girder assembly |
| CN209958161U (en) * | 2019-02-28 | 2020-01-17 | 中建五局土木工程有限公司 | Linear adjusting equipment of track beam |
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