CN111411997B - Shield segment dislocation correcting device and method - Google Patents
Shield segment dislocation correcting device and method Download PDFInfo
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- CN111411997B CN111411997B CN202010433457.7A CN202010433457A CN111411997B CN 111411997 B CN111411997 B CN 111411997B CN 202010433457 A CN202010433457 A CN 202010433457A CN 111411997 B CN111411997 B CN 111411997B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
Abstract
The application provides a device and a method for correcting dislocation of shield segments, and belongs to the technical field of shield segment construction. The shield segment dislocation correcting device comprises a trolley, a reaction frame, a bottom supporting piece, a vertical telescopic piece and two lateral supporting pieces. The reaction frame is mounted on the trolley and extends out of the front side of the trolley. The bottom support member is mounted to the reaction frame for supporting a bottom segment in the reference segment ring. Two lateral support members are mounted on the reaction frame, and the two lateral support members are respectively used for supporting two lateral duct pieces positioned on the left side and the right side in the reference duct piece ring. The vertical expansion piece is arranged on the reaction frame and positioned on the front side of the bottom support piece, and the vertical expansion piece is used for being connected with a bottom duct piece in the target duct piece ring positioned on the front side of the reference duct piece ring. Adopt bottom support piece and two side direction support pieces to provide the outrigger, realize the correction operation of two kinds of common wrong platform forms through the flexible of vertical extensible member, correct effectually, avoided the platform truck link of turning round, improved the efficiency of construction.
Description
Technical Field
The application relates to the technical field of shield segment construction, in particular to a device and a method for correcting dislocation of shield segments.
Background
At present, the method of high-pressure grouting behind a wall is generally adopted for the correction and maintenance of shield segment dislocation. However, the effect of promoting the shield segment to be staggered and corrected through the wall back high-pressure grouting is poor, the economic cost is huge, and the construction quality of the wall back grouting is not easy to guarantee.
Disclosure of Invention
The embodiment of the application provides a device and a method for correcting dislocation of shield segments, which aim to solve the problem of poor effect of correcting dislocation of shield segments caused by high-pressure grouting after passing through a wall.
In a first aspect, the embodiment of the application provides a shield segment dislocation correction device, which comprises a trolley, a reaction frame, a bottom support piece, a vertical telescopic piece and two lateral support pieces;
the reaction frame is arranged on the trolley and extends out of the front side of the trolley;
the bottom support piece is arranged on the reaction frame and used for supporting the bottom segment in the reference segment ring;
the two lateral supporting pieces are arranged on the reaction frame and are respectively used for supporting two lateral pipe pieces positioned on the left side and the right side in the reference pipe piece ring;
the vertical telescopic piece is arranged on the reaction frame and positioned on the front side of the bottom supporting piece, and the vertical telescopic piece is used for being connected with a bottom duct piece in the target duct piece ring positioned on the front side of the reference duct piece ring.
Among the above-mentioned technical scheme, can carry whole device to section of jurisdiction wrong platform position through the platform truck, can effectively reduce manual work, improved maintenance efficiency of construction and construction security. In the work progress, can support the bottom section of jurisdiction in referring to the section of jurisdiction ring with bottom support piece, support two lateral support piece respectively in referring to the section of jurisdiction ring lie in the left and right sides two lateral part sections of jurisdiction on, provide sufficient stability for whole device, conveniently carry out error control. After the bottom support piece and the two lateral support pieces provide stable support, the vertical telescopic piece can be connected with a bottom segment in the target segment ring. If the bottom segment in the target segment ring is lower than the bottom segment in the reference segment ring, the segment with the dislocation in the target segment ring can be gradually reset by shortening the vertical expansion piece; if the bottom segment in the target segment ring is higher than the bottom segment in the reference segment ring, the segment with the dislocation in the target segment ring is gradually reset through the extension of the vertical telescopic piece. The shield segment dislocation correcting device with the structure adopts the bottom supporting piece and the two lateral supporting pieces to provide stable support, realizes two common dislocation forms of correction operation through the stretching of the vertical telescopic piece, has good correction effect, avoids the turning link of the trolley, and improves the construction efficiency. The shield segment dislocation correction device with the structure can be applied to correction of segment dislocation, gaps and the like (the general dislocation degree is relatively low) after the shield segment is assembled just after construction in a construction stage, and can also be applied to correction of shield segment sequence dislocation diseases (the general dislocation degree is relatively high) after a shield tunnel is used for a long time in an operation stage. In addition, because bottom support piece and two side direction support piece can provide stable support, and vertical extensible member can provide enough external force, except the shield tunnel of general size, can also be applied to the section of jurisdiction wrong platform of large-scale shield tunnel and correct.
In addition, the shield segment dislocation correcting device of the embodiment of the application also has the following additional technical characteristics:
in some embodiments of the present application, the reaction frame is a telescopic structure that is retractable back and forth;
the reaction frame comprises a fixed body and a movable body, the fixed body is fixed on the trolley, and the movable body is movably arranged on the fixed body along the front-back direction;
the bottom support member, the lateral support member and the vertical extensible member are all mounted on the movable body.
Among the above-mentioned technical scheme, the reaction frame is telescopic structure of front and back telescopic, through the flexible of reaction frame, and the movable body moves along fore-and-aft direction relatively fixed body promptly, adjustable bottom support piece, side direction support piece and vertical extensible member position in the front and back direction. In addition, when the bottom supporting piece, the lateral supporting piece and the vertical telescopic piece are not installed on the movable body, the movable body can move backwards to enable the reaction frame to be in a shortened state, and the occupied space of the trolley in the running process is reduced. When the bottom support piece, the lateral support piece and the vertical telescopic piece need to be installed, the movable body can move forwards and extend out of the front side of the trolley, the reaction frame is in an extension state, and at the moment, the bottom support piece, the lateral support piece and the vertical telescopic piece can be installed on the reaction frame.
In some embodiments of the present application, the movable body includes two movable bars arranged in parallel;
the bottom supporting piece is arranged on the two movable rods;
the two lateral supporting pieces are respectively arranged on the two movable rods;
the vertical telescopic pieces are arranged on the two movable rods.
Among the above-mentioned technical scheme, the movable body includes two movable rods of parallel arrangement, and this kind of structure movable body has fine bearing capacity. The bottom supporting piece is arranged on the two movable rods at the same time, and the external force applied to the bottom supporting piece can be borne by the two movable rods at the same time; the two lateral supporting pieces are respectively arranged on the two movable rods, and external force borne by one lateral supporting piece is correspondingly borne by one movable rod; the vertical telescopic piece is simultaneously installed on the two movable rods, and the external force applied to the vertical telescopic piece can be borne by the two movable rods simultaneously.
In some embodiments of the present application, the vertical expansion member comprises a first force transfer member, an expansion unit, and a first threaded portion;
the first force transmission piece is arranged on the two movable rods;
the top end of the telescopic unit is in threaded connection with the first force transmission piece;
the first thread part is arranged at the bottom end of the telescopic unit and is used for being in threaded connection with a hoisting screw hole of a bottom segment in the target segment ring.
Among the above-mentioned technical scheme, because the flexible unit top spiro union is in the outside of first biography power piece for locate the bottom of flexible unit with the first screw thread portion of the hoist and mount screw spiro union of the bottom section of jurisdiction in the target section of jurisdiction ring, rotate the flexible unit and make the flexible unit move down relatively first biography power piece, then can be gradually with in the hoist and mount screw of the bottom section of jurisdiction in the target section of jurisdiction ring with first screw thread portion spiro union. The structure can conveniently realize the connection of the vertical expansion piece and the bottom segment in the target segment ring.
In some embodiments of the present application, the first force transfer member includes a first screw and a first force transfer rod bent downward in the middle;
two ends of the first transmission rod are respectively sleeved on the outer sides of the two movable rods;
the first screw rod is connected to the middle position of the first transmission rod, and the top end of the telescopic unit is in threaded connection with the outer side of the first screw rod.
In the technical scheme, the external force applied to the telescopic unit can be transmitted to the two movable rods through the first screw rod and the first force transmission piece in sequence. Because the middle of the first force transmission rod bends downwards, the first screw rod is connected to the middle position of the first force transmission rod, and therefore the whole first force transmission piece has good bearing capacity.
In some embodiments of the present application, the bottom support comprises a second force transfer member, a support bar, and a support body;
the second force transmission piece is arranged on the two movable rods;
the top end of the supporting rod is in threaded connection with the second force transmission piece;
the supporter is arranged at the bottom end of the supporting rod.
Among the above-mentioned technical scheme, because the top spiro union of bracing piece passes power piece in the second, the bottom of bracing piece is located to the supporter, rotates the bracing piece and makes the bracing piece pass power piece downstream relatively the second, then can make the supporter support gradually in the bottom section of jurisdiction of referring to in the section of jurisdiction ring. This configuration may facilitate supporting the bottom support member on the bottom segment in the reference segment ring.
In some embodiments of the present application, the support body is detachably connected to the bottom end of the support bar;
the support is for contacting an inner wall of a bottom segment in the reference segment ring.
Among the above-mentioned technical scheme, the supporter can be dismantled and connect in the bottom of bracing piece, is convenient for change the supporter. The supporter is used for contacting with the inner wall of the bottom section of jurisdiction in the reference segment ring, and when bottom support piece supported the bottom section of jurisdiction in the reference segment ring promptly, the supporter was in contact state with the bottom section of jurisdiction in the reference segment ring. During actual construction, if the bottom segment in the target segment ring is lower than the bottom segment in the reference segment ring, the support body with the structure can be selected, the support body is in contact with the inner wall of the bottom segment in the reference segment ring, the vertical telescopic piece shortens the time of applying upward pulling force to the bottom segment in the target segment ring, and downward pressure is applied to the bottom segment in the reference segment ring by the support body.
In some embodiments of the present application, the support body is detachably connected to the bottom end of the support bar;
the support body is used for being in threaded connection with a hoisting screw hole of a bottom segment in the reference segment ring.
Among the above-mentioned technical scheme, supporter detachably connect in the bottom of bracing piece is convenient for change the supporter. The supporter is used for with the hoist and mount screw spiro union of the bottom section of jurisdiction in the reference section of jurisdiction ring, and when bottom support piece supported the bottom section of jurisdiction in the reference section of jurisdiction ring promptly, the supporter was in connected state with the bottom section of jurisdiction in the reference section of jurisdiction ring. If bottom section of jurisdiction in the target section of jurisdiction ring is higher than the bottom section of jurisdiction in the reference section of jurisdiction ring, then the supporter of optional this kind of structure, in the hoist and mount screw hole of the bottom section of jurisdiction in the reference section of jurisdiction ring of supporter spiro union, vertical telescopic link extension when exerting decurrent pressure to the bottom section of jurisdiction in the target section of jurisdiction ring, the supporter exerts ascending pulling force to the bottom section of jurisdiction in the reference section of jurisdiction ring.
In some embodiments of the present application, the lateral support comprises a connecting rod, a rotor, and a second threaded portion;
one end of the connecting rod is connected to the movable rod;
the rotating body is rotatably arranged at the other end of the connecting rod in a vertical plane;
the second thread part is in threaded connection with the rotating body and is used for being in threaded connection with a hoisting screw hole of a side segment in the reference segment ring.
Among the above-mentioned technical scheme, because the rotor rotationally sets up in the connecting rod in vertical plane, through the orientation of the adjustable second screw thread portion of rotation rotor to make second screw thread portion aim at the hoist and mount screw of the lateral part section of jurisdiction in the reference section of jurisdiction ring. When the second screw thread portion is aligned to the hoisting screw hole of the lateral segment in the reference segment ring, the second screw thread portion is made to gradually withdraw from the rotor by rotating the second screw thread portion, and the second screw thread portion is gradually screwed in the hoisting screw hole of the lateral segment in the reference segment ring so as to support the lateral support piece on the lateral segment in the reference segment ring.
In a second aspect, an embodiment of the present application provides a method for correcting a wrong station of a shield segment, which is applicable to the above device for correcting a wrong station of a shield segment, and the method includes;
supporting a bottom support on a bottom segment in a reference segment ring;
two lateral supporting pieces are respectively supported on two lateral pipe pieces positioned on the left side and the right side in the reference pipe piece ring;
connecting the vertical telescopic piece with a bottom segment in the target segment ring positioned on the front side of the reference segment ring;
correcting the dislocation of the tube sheet through the vertical telescopic piece: if the bottom segment in the target segment ring is lower than the bottom segment in the reference segment ring, the segment with the dislocation in the target segment ring is gradually returned by shortening the vertical expansion piece; if the bottom segment in the target segment ring is higher than the bottom segment in the reference segment ring, the segment with the dislocation in the target segment ring is gradually reset through the extension of the vertical telescopic piece.
Among the above-mentioned technical scheme, provide the outrigger through bottom support piece and two side direction support pieces, realize the correction operation of two kinds of common wrong platform forms through the flexible of vertical extensible member, correct effectually, avoided the platform truck link of turning round, improved the efficiency of construction.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a front view of a shield segment staggering correction device provided in an embodiment of the present application;
fig. 2 is a top view of a shield segment dislocation straightening device provided in an embodiment of the present application;
fig. 3 is a construction schematic view of a shield segment dislocation straightening device provided in an embodiment of the present application;
FIG. 4 is a view taken in the direction A of FIG. 3;
FIG. 5 is a schematic view of the connection between the vertical expansion piece and the movable rod according to the embodiment of the present disclosure;
FIG. 6 is a schematic view of the connection between the bottom support and the movable rod of the first structure according to the embodiment of the present application;
FIG. 7 is a schematic view of a second configuration of a bottom support member coupled to a movable bar according to an embodiment of the present disclosure;
fig. 8 is a schematic view of the connection between the lateral support and the movable rod according to the embodiment of the present application.
Icon: 100-a shield segment dislocation correcting device; 10-a trolley; 11-a carriage; 12-a power system; 13-a roller; 20-a reaction frame; 21-a stationary body; 211-a sleeve; 22-a movable body; 221-a movable rod; 30-a bottom support; 31-a second force transfer member; 311-a second screw; 312-a second dowel bar; 32-a support bar; 33-a support; 40-vertical telescoping pieces; 41-a first force transfer member; 411-a first screw; 412-first transfer lever; 42-a telescopic unit; 43-a first threaded portion; 50-a lateral support; 51-a connecting rod; 52-a rotor; 53-a second threaded portion; 60-inclined struts; 200-reference tube sheet ring; 300-target tube sheet ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the application is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the application is used, is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or the element which is indicated must have a specific orientation, be configured and operated in a specific orientation, and therefore, cannot be understood as the limitation of the application. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Examples
As shown in fig. 1 and 2, the embodiment of the present application provides a shield segment staggering straightening device 100, which includes a trolley 10, a reaction frame 20, a bottom support 30, a vertical telescopic part 40, and two lateral supports 50.
The reaction frame 20 is attached to the carriage 10 and extends toward the front side of the carriage 10. Bottom support 30 is mounted to reaction frame 20, bottom support 30 for supporting the bottom segment in reference segment ring 200. Two lateral supports 50 are mounted to the reaction frame 20, the two lateral supports 50 being used to support two lateral segments on the left and right sides, respectively, in the reference segment ring 200. Vertical expansion elements 40 are mounted to reaction frame 20 and located on the front side of bottom support 30, and vertical expansion elements 40 are used to connect with the bottom segment in target segment ring 300 located on the front side of reference segment ring 200.
Can carry whole device to section of jurisdiction wrong platform position through platform truck 10, can effectively reduce manual work, improve maintenance efficiency of construction and construction security. In the construction process, as shown in fig. 3 and 4, the bottom supporting member 30 can be supported on the bottom segment in the reference segment ring 200, and the two lateral supporting members 50 can be respectively supported on the two lateral segments on the left and right sides in the reference segment ring 200, so that sufficient stability is provided for the whole device, and error control is facilitated. The vertical expansion elements 40 can be connected to the bottom segment in the target segment ring 300 after stable support is provided by the bottom support 30 and the two lateral supports 50. If the bottom segment in the target segment ring 300 is lower than the bottom segment in the reference segment ring 200, the segment with dislocation in the target segment ring 300 can be gradually returned by shortening the vertical expansion piece 40; if the bottom segment in the target segment ring 300 is higher than the bottom segment in the reference segment ring 200, the segment with dislocation in the target segment ring 300 is gradually restored by extending the vertical extensible member 40.
The shield segment slab staggering correcting device 100 with the structure adopts the bottom supporting piece 30 and the two lateral supporting pieces 50 to provide stable support, the two common slab staggering forms of correcting operation are realized through the stretching of the vertical telescopic piece 40, the correcting effect is good, the turning-around link of the trolley 10 is avoided, and the construction efficiency is improved. The shield segment dislocation correction device 100 with the structure can be applied to correction of segment dislocation, gaps and the like (the general dislocation degree is light) after the shield segment assembly is finished in the construction stage, and can also be applied to correction of shield segment dislocation diseases (the general dislocation degree is heavy) after the shield tunnel is used for a long time in the operation stage. In addition, since the bottom support 30 and the two lateral supports 50 can provide stable support and the vertical expansion piece 40 can provide sufficient external force, the method can be applied to segment dislocation correction of a large shield tunnel in addition to a shield tunnel with a general size.
It should be noted that the reference segment ring 200 is a segment ring without correction, which is an annular structure formed by connecting a plurality of segments together by longitudinal bolts; the target segment ring 300 is a segment ring to be corrected, which is an annular structure formed by a plurality of segments connected together by longitudinal bolts. In this embodiment, the reference segment ring 200 and the target segment ring 300 are two adjacent segment rings.
In the actual use process, the bottom support member 30, the vertical telescopic member 40 and the lateral support member 50 can be firstly installed on the reaction frame 20, and then the whole device is conveyed to the segment staggering position through the trolley 10; or the trolley 10 is driven to the segment staggering position, and then the support frame, the vertical telescopic part 40 and the lateral support part 50 are arranged on the reaction frame 20.
With continued reference to fig. 1, the trolley 10 includes a carriage 11, a power system 12, and four rollers 13 disposed at the bottom of the carriage 11, where the power system 12 is configured to drive power wheels of the four rollers 13 to rotate. The power system 12 may be a power source, such as a motor, an internal combustion engine, etc., which transmits power to the power wheels through a transmission mechanism to realize the traveling of the trolley 10. In practical use, the rollers 13 of the trolley 10 can be clamped on the tracks in the shield tunnel, and the power source works to drive the power wheels to rotate, so that the trolley 10 can move back and forth along the tracks.
The carriage 11 is a top opening structure, a balancing weight is arranged in the carriage 11, and the reaction frame 20 is arranged at the top of the carriage 11.
If the bottom support member 30, the vertical extensible member 40 and the lateral support member 50 are mounted on the reaction frame 20 after the trolley 10 travels to the segment staggering position, the bottom support member 30, the vertical extensible member 40 and the lateral support member 50 can be placed on the carriage 11 of the trolley 10, and the trolley 10 conveys the bottom support member 30, the vertical extensible member 40 and the lateral support member 50 to the segment staggering position.
In this embodiment, the reaction frame 20 is a telescopic structure that can be extended and retracted back and forth. The reaction frame 20 includes a fixed body 21 and a movable body 22, the fixed body 21 is fixed to the cart 10, the movable body 22 is movably disposed on the fixed body 21 in the front-rear direction, and the movable body 22 moves forward and backward relative to the fixed body 21 to extend and retract the reaction frame 20. The bottom support 30, the lateral supports 50, and the vertical telescopic member 40 are all mounted on the movable body 22.
The positions of the bottom support 30, the lateral supports 50, and the vertical expansion members 40 in the front-rear direction can be adjusted by the expansion and contraction of the reaction frame 20, that is, the movement of the movable body 22 in the front-rear direction with respect to the fixed body 21. In addition, when the bottom support 30, the lateral supports 50 and the vertical telescopic member 40 are not mounted on the movable body 22, the movable body 22 can be moved backward to shorten the reaction frame 20, thereby reducing the occupation of an excessive space during the traveling of the cart 10. When it is required to mount the bottom supporter 30, the lateral supporter 50 and the vertical expansion member 40, the movable body 22 may be moved forward and extended toward the front side of the trolley 10 to place the reaction frame 20 in an extended state, and at this time, the bottom supporter 30, the lateral supporter 50 and the vertical expansion member 40 may be mounted on the reaction frame 20.
In this embodiment, the movable body 22 includes two movable rods 221 arranged in parallel, the fixed body 21 includes two sleeves 211 fixed to the top of the carriage 11 of the trolley 10 and arranged in parallel, the sleeves 211 are arranged in the front-rear direction, one movable rod 221 is correspondingly movably inserted into one sleeve 211, the two movable rods 221 simultaneously move backwards, the reaction frame 20 shortens, the two movable rods 221 simultaneously move forwards, and the reaction frame 20 extends.
The extension and retraction of the reaction frame 20 can be manually performed, for example, when it is desired to extend the reaction frame 20, the movable rod 221 is manually pulled outward, thereby extending the reaction frame 20. The reaction frame 20 can also be extended or contracted by a driving device, for example, a gear and a rack are arranged between the sleeve 211 and the movable rod 221, the gear is rotatably arranged on the sleeve 211, the rack is fixed on the movable rod 221, and the driving device can drive the movable rod 221 to move by the rotation of the driving device. The driving member may be a motor or a driving handle for the operator to hold.
The bottom supporting member 30 and the vertical telescopic member 40 are both installed on the two movable rods 221, the two movable rods 221 can simultaneously bear the external force applied to the bottom supporting member 30, and the two movable rods 221 can simultaneously bear the external force applied to the vertical telescopic member 40; the two lateral supporting members 50 are respectively mounted on the two movable rods 221, and an external force applied to one lateral supporting member 50 is correspondingly borne by one movable rod 221.
In order to further improve the bearing capacity of the movable rod 221, an inclined strut 60 is arranged between the movable rod 221 and the carriage 11 of the trolley 10, one end of the inclined strut 60 is fixed with the carriage 11, a hole for the movable rod 221 to slide is arranged at the other end of the inclined strut 60, and the movable rod 221 is movably arranged in the hole in a penetrating manner.
As can be seen from the above, in the present embodiment, the reaction frame 20 has a telescopic structure that is retractable in the front-rear direction, but in other embodiments, the reaction frame 20 may not have a telescopic structure, and for example, the reaction frame 20 has two parallel rods that are fixed to the cart 10 and extend toward the front side of the cart 10.
As shown in fig. 5, the vertical telescopic member 40 comprises a first force transmission member 41, a telescopic unit 42 and a first threaded portion 43. The first force-transmitting member 41 is mounted on two movable rods 221. The top end of the telescopic unit 42 is screwed to the first force transmission member 41. A first threaded portion 43 is provided at the bottom end of the telescoping unit 42, the first threaded portion 43 being adapted to be threadedly engaged with a lifting screw hole of a bottom segment in the target segment ring 300.
In practical operation, the telescoping unit 42 is rotated to move the telescoping unit 42 downward relative to the first force transmission piece 41, so that the first thread part 43 can be gradually screwed into the hoisting screw hole of the bottom segment in the target segment ring 300, and the connection between the vertical telescoping piece 40 and the bottom segment in the target segment ring 300 can be conveniently realized.
Optionally, the first force transfer member 41 includes a first screw 411 and a first force transfer rod 412 bent downward in the middle. Two ends of the first force transmission rod 412 are respectively sleeved outside the two movable rods 221. The first screw 411 is connected to a middle position of the first power transmission rod 412, and a top end of the telescopic unit 42 is screwed to an outer side of the first screw 411.
The external force applied to the telescopic unit 42 can be transmitted to the two movable rods 221 sequentially through the first screw 411 and the first force transmission member 41. Since the first force transmission rod 412 is bent downward at the middle, the first screw 411 is connected to the middle of the first force transmission rod 412, so that the entire first force transmission member 41 has a good load-bearing capacity. In addition, since both ends of the first force transmission rod 412 are respectively sleeved outside the two movable rods 221, the entire vertical expansion piece 40 can move on the two movable rods 221 to adjust the position of the vertical expansion piece 40 in the front-rear direction. Of course, after the position of the vertical telescopic member 40 is adjusted, the first power transmission rod 412 and the movable rod 221 can be locked by the locking screw.
The telescopic unit 42 may be a hydraulic telescopic rod, a hydraulic jack, etc., and the first screw part 43 is a rod provided with an external thread.
As shown in fig. 6, the bottom support 30 comprises a second force transfer member 31, a support rod 32 and a support body 33. The second force-transmitting member 31 is mounted on two movable rods 221. The top end of the support rod 32 is screwed to the second force transmission member 31. The support body 33 is provided at the bottom end of the support rod 32.
In practical operation, the support rod 32 is rotated to move the support rod 32 downward relative to the second force transmission member 31, so that the support body 33 can gradually support the bottom segment in the reference segment ring 200, and the bottom support member 30 can be conveniently supported on the bottom segment in the reference segment ring 200.
Optionally, the second force transfer member 31 comprises a second threaded rod 311 and a second force transfer rod 312 bent downwards in the middle. Two ends of the second force transmission rod 312 are respectively sleeved on the outer sides of the two movable rods 221. The second screw 311 is connected to the middle of the second dowel bar 312, and the top of the support bar 32 is screwed to the outer side of the second screw 311.
The external force applied to the support rod 32 can be transmitted to the two movable rods 221 sequentially through the second screw 311 and the second force transmission member 31. Since the middle of the second force transmission rod 312 is bent downwards, the second screw 311 is connected to the middle of the second force transmission rod 312, so that the whole second force transmission member 31 has good load bearing capacity. In addition, since both ends of the second force transmission rod 312 are respectively sleeved outside the two movable rods 221, the entire bottom supporter 30 can be moved on the two movable rods 221 to adjust the position of the bottom supporter 30 in the front-rear direction. Of course, after the position of the bottom supporter 30 is adjusted, the second force-transmitting rod 312 and the movable rod 221 may be locked by a locking screw.
In this embodiment, the supporting body 33 is detachably connected to the bottom end of the supporting rod 32, so that the supporting body 33 can be replaced conveniently.
In the present embodiment, two structural forms of the supporting body 33 are provided.
As shown in fig. 6, the supporting body 33 is a trumpet-shaped supporting seat, and the supporting body 33 is used for contacting with the inner wall of the bottom segment in the reference segment ring 200, that is, when the bottom supporting member 30 supports the bottom segment in the reference segment ring 200, the supporting body 33 is in a contact state with the bottom segment in the reference segment ring 200. In actual construction, if the bottom segment in the target segment ring 300 is lower than the bottom segment in the reference segment ring 200, the supporting body 33 with such a structure can be selected, the supporting body 33 is in contact with the inner wall of the bottom segment in the reference segment ring 200, and the vertical expansion piece 40 is shortened to apply upward tension to the bottom segment in the target segment ring 300, and simultaneously, the supporting body 33 applies downward pressure to the bottom segment in the reference segment ring 200.
As shown in fig. 7, the supporting body 33 is a screw, and the supporting body 33 is used for being screwed with the hoisting screw hole of the bottom segment in the reference segment ring 200, that is, when the bottom supporting member 30 supports the bottom segment in the reference segment ring 200, the supporting body 33 is connected with the bottom segment in the reference segment ring 200. If the bottom segment in the target segment ring 300 is higher than the bottom segment in the reference segment ring 200, the supporting body 33 with such a structure can be selected, the supporting body 33 is screwed in the hoisting screw hole of the bottom segment in the reference segment ring 200, and when the vertical telescopic rod extends to apply downward pressure to the bottom segment in the target segment ring 300, the supporting body 33 applies upward tension to the bottom segment in the reference segment ring 200.
As shown in fig. 8, the lateral supporter 50 includes a connection rod 51, a rotating body 52, and a second threaded part 53. One end of the connection rod 51 is connected to the movable rod 221. The rotating body 52 is rotatably provided at the other end of the connecting rod 51 in a vertical plane. The second thread part 53 is screwed to the rotator 52, and the second thread part 53 is used for screwing with a hoisting screw hole of the side segment in the reference segment ring 200.
In actual practice, the orientation of the second threaded portion 53 can be adjusted by rotating the rotator 52 so that the second threaded portion 53 is aligned with the lifting screw hole of the side segment in the reference segment ring 200. When the second thread portion 53 is aligned with the lifting screw hole of the lateral segment in the reference segment ring 200, the second thread portion 53 is gradually withdrawn from the rotator 52 by rotating the second thread portion 53, and the second thread portion 53 is gradually screwed into the lifting screw hole of the lateral segment in the reference segment ring 200 to support the lateral support member 50 to the lateral segment in the reference segment ring 200.
One end of the connecting rod 51, which is far away from the rotating body 52, is sleeved outside the movable rod 221, and the connecting rod 51 and the movable rod 221 can be locked by a locking screw. After the connection rod 51 is connected to the movable rod 221, the connection rod 51 is inclined upward from the horizontal position.
The rotating body 52 is a cylinder structure hinged to the connecting rod 51, and a threaded hole for screwing with the second threaded part 53 is formed in the rotating body 52. The second threaded portion 53 is a rod provided with an external thread.
In addition, the embodiment of the present application further provides a method for correcting a wrong platform of a shield segment, which is applicable to the device 100 for correcting a wrong platform of a shield segment, and the method includes the following steps:
step S100: the bottom support 30 is supported on the bottom tube sheet in the reference tube sheet ring 200.
If the bottom segment in the target segment ring 300 is lower than the bottom segment in the reference segment ring 200, the bottom support members 30 with the support bodies 33 being horn-shaped supporting seats are installed on the two movable rods 221 of the reaction frame 20, and the support bodies 33 are stably placed on the inner wall of the bottom segment in the reference segment ring 200.
If the bottom segment in the target segment ring 300 is higher than the bottom segment in the reference segment ring 200, the bottom support members 30 with the support bodies 33 being screws are installed on the two movable rods 221 of the reaction frame 20, and the support bodies 33 are screwed into the hoisting screws of the bottom segment in the reference segment ring 200.
Step S200: the two lateral supports 50 are supported on the two lateral tube sheets on the left and right sides of the reference tube sheet ring 200, respectively.
The two lateral supporting members 50 are respectively arranged on the two movable rods 221 of the reaction frame 20, the second thread part 53 of one lateral supporting member 50 is screwed in the hoisting screw hole of the lateral segment on the left side in the reference segment ring 200, and the second thread part 53 of the other lateral supporting member 50 is screwed in the hoisting screw hole of the lateral segment on the right side in the reference segment ring 200.
Step S300: connecting the vertical expansion piece 40 with the bottom segment in the target segment ring 300 located in front of the reference segment ring 200;
the vertical expansion piece 40 is installed on the two movable rods 221 of the reaction frame 20, and the first thread part 43 of the vertical expansion piece 40 is screwed in the hoisting screw hole of the bottom segment in the target segment ring 300.
Step S400: the slab staggering is corrected by the vertical telescoping pieces 40.
If the bottom segment in the target segment ring 300 is lower than the bottom segment in the reference segment ring 200, the segment with dislocation in the target segment ring 300 is gradually restored by shortening the vertical expansion piece 40. In the process, the vertical expansion piece 40 pauses once every 2mm of extension, all longitudinal bolts in the target segment ring 300 are screwed down once during the pause, and the process is repeated until the staggered segment is completely restored or the correction displacement reaches 1cm, and the correction is stopped.
If the bottom segment in the target segment ring 300 is higher than the bottom segment in the reference segment ring 200, the segment with dislocation in the target segment ring 300 is gradually restored by extending the vertical extensible member 40. In the process, the vertical expansion piece 40 pauses once every 2mm of extension, all longitudinal bolts in the target segment ring 300 are screwed down once during the pause, and the process is repeated until the staggered segment is completely restored or the correction displacement reaches 1cm, and the correction is stopped.
After the target repair section is corrected, the vertical extensible member 40, the bottom support member 30 and the lateral support member 50 may be detached, and then the trolley 10 may be driven along the rail to the next target repair section, and the above steps S100 to S400 may be repeated to continue the correction work.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a shield constructs section of jurisdiction slab staggering orthotic devices which characterized in that includes:
a trolley;
a reaction frame mounted on the trolley and extending to the front side of the trolley;
a bottom support mounted to the reaction frame for supporting a bottom segment in a reference segment ring;
the two lateral supporting pieces are arranged on the reaction frame and are respectively used for supporting two lateral pipe pieces positioned on the left side and the right side in the reference pipe piece ring; and
the vertical telescopic piece is arranged on the reaction frame, is positioned on the front side of the bottom supporting piece and is used for being connected with a bottom segment in the target segment ring positioned on the front side of the reference segment ring;
wherein the reaction frame is a telescopic structure which can be stretched back and forth; the reaction frame comprises a fixed body and a movable body, the fixed body is fixed on the trolley, and the movable body is movably arranged on the fixed body along the front-back direction; the bottom supporting piece, the lateral supporting piece and the vertical telescopic piece are all arranged on the movable body;
the movable body comprises two movable rods which are arranged in parallel; the bottom supporting piece is arranged on the two movable rods; the two lateral supporting pieces are respectively arranged on the two movable rods; the vertical telescopic pieces are arranged on the two movable rods;
the vertical telescopic piece comprises a first force transmission piece, a telescopic unit and a first thread part; the first force transmission piece is arranged on the two movable rods; the top end of the telescopic unit is in threaded connection with the first force transmission piece; the first thread part is arranged at the bottom end of the telescopic unit and is used for being in threaded connection with a hoisting screw hole of a bottom segment in the target segment ring.
2. The shield segment dislocation straightening device according to claim 1, wherein the first transmission member comprises a first screw rod and a first transmission rod bent downwards in the middle;
two ends of the first transmission rod are respectively sleeved on the outer sides of the two movable rods;
the first screw rod is connected to the middle position of the first transmission rod, and the top end of the telescopic unit is in threaded connection with the outer side of the first screw rod.
3. The shield segment dislocation straightening device according to claim 1, wherein the bottom support member comprises a second force transmission member, a support rod and a support body;
the second force transmission piece is arranged on the two movable rods;
the top end of the supporting rod is in threaded connection with the second force transmission piece;
the supporter is arranged at the bottom end of the supporting rod.
4. The shield segment dislocation correcting device of claim 3, wherein the support body is detachably connected to the bottom end of the support rod;
the support is for contacting an inner wall of a bottom segment in the reference segment ring.
5. The shield segment dislocation correcting device of claim 3, wherein the support body is detachably connected to the bottom end of the support rod;
the support body is used for being in threaded connection with a hoisting screw hole of a bottom segment in the reference segment ring.
6. The shield segment staggering correcting device of claim 1, wherein the lateral supporting piece comprises a connecting rod, a rotating body and a second threaded part;
one end of the connecting rod is connected to the movable rod;
the rotating body is rotatably arranged at the other end of the connecting rod in a vertical plane;
the second thread part is in threaded connection with the rotating body and is used for being in threaded connection with a hoisting screw hole of a side segment in the reference segment ring.
7. A shield segment dislocation correction method, which is applied to the shield segment dislocation correction device according to any one of claims 1-6, and comprises the following steps;
supporting a bottom support on a bottom segment in a reference segment ring;
respectively supporting two lateral supporting pieces on two lateral pipe sheets positioned on the left side and the right side in a reference pipe sheet ring;
connecting the vertical telescopic piece with a bottom segment in the target segment ring positioned on the front side of the reference segment ring;
correcting dislocation of the pipe sheet through a vertical telescopic piece: if the bottom segment in the target segment ring is lower than the bottom segment in the reference segment ring, the segment with dislocation in the target segment ring is gradually reset through shortening the vertical telescopic piece; if the bottom segment in the target segment ring is higher than the bottom segment in the reference segment ring, the segment with the dislocation in the target segment ring is gradually restored through the extension of the vertical expansion piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433457.7A CN111411997B (en) | 2020-05-20 | 2020-05-20 | Shield segment dislocation correcting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433457.7A CN111411997B (en) | 2020-05-20 | 2020-05-20 | Shield segment dislocation correcting device and method |
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| CN111411997A CN111411997A (en) | 2020-07-14 |
| CN111411997B true CN111411997B (en) | 2022-12-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4619276B2 (en) * | 2005-11-24 | 2011-01-26 | 株式会社熊谷組 | Segment coupling device |
| WO2016192320A1 (en) * | 2015-06-03 | 2016-12-08 | 中铁第四勘察设计院集团有限公司 | Continuous beam type anti-floating structure of shield tunnel |
| CN207598244U (en) * | 2017-12-21 | 2018-07-10 | 中铁二十一局集团轨道交通工程有限公司 | A kind of circular cross section reaction frame erecting device |
| CN108104836B (en) * | 2018-01-31 | 2023-05-30 | 中铁四局集团有限公司 | Upper counter-force supporting system for shield semi-ring initiation and shield semi-ring initiation construction method |
| CN212250078U (en) * | 2020-05-20 | 2020-12-29 | 浙江省交通规划设计研究院有限公司 | Shield constructs section of jurisdiction wrong platform orthotic devices |
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