CN114412507A - Fine adjustment assembling device for prefabricated box culvert pieces of shield tunnel - Google Patents
Fine adjustment assembling device for prefabricated box culvert pieces of shield tunnel Download PDFInfo
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- CN114412507A CN114412507A CN202210184261.8A CN202210184261A CN114412507A CN 114412507 A CN114412507 A CN 114412507A CN 202210184261 A CN202210184261 A CN 202210184261A CN 114412507 A CN114412507 A CN 114412507A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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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Abstract
The invention provides a precise adjustment and assembly device for prefabricated box culvert pieces of a shield tunnel, which solves the problems of time and labor waste during butt joint of the prefabricated box culvert pieces and ensures the assembly quality of the prefabricated box culvert pieces, and comprises a vehicle body, a stepping device, a telescopic device and a precise adjustment assembly, wherein the vehicle body is of a long structure which extends and is distributed from front to back and can move back and forth in a culvert of the prefabricated box culvert pieces; the fine adjustment assembly is arranged at the front end of the vehicle body and comprises a box culvert piece supporting plate, and the box culvert piece supporting plate is used for lifting the top of a culvert of the prefabricated box culvert piece and finely adjusting the position of the prefabricated box culvert piece; the stepping device is arranged on the vehicle body in a matched manner and can move back and forth along the front and back directions, the stepping device comprises a left stepping supporting shoe and a right stepping supporting shoe which are symmetrically distributed, and the two stepping supporting shoes are used for fixedly supporting the left side wall and the right side wall of the culvert of the prefabricated box culvert; one end of the telescopic device is connected to the front end of the vehicle body, and the other end of the telescopic device is connected to the stepping device.
Description
Technical Field
The invention relates to the technical field of splicing prefabricated box culvert pieces of shield tunnels, in particular to a fine-tuning and splicing device for prefabricated box culvert pieces of shield tunnels.
Background
In the major diameter shield tunnel work progress, need lay the box culvert as drainage channel or the emergent passageway of fleing of personnel in the tunnel bottom usually, the construction procedure of box culvert is comparatively loaded down with trivial details, and traditional construction scheme adopts to erect ordinary template and carries out cast in situ concrete construction, and construction speed is slow. In order to improve the construction efficiency, a method of performing synchronous construction using prefabricated parts (duct pieces, box culverts, and intermediate walls) has become mainstream.
The invention discloses a tunnel boring machine suitable for assembling the rear part of a bottom arch and a bottom arch assembling method, wherein a culvert is arranged in the middle of a prefabricated box culvert, the top of the prefabricated box culvert is a plane, the bottom of the prefabricated box culvert is an arc-shaped surface, the assembling mode of the prefabricated box culvert is that the tunnel boring machine suitable for assembling the rear part of the bottom arch and the bottom arch assembling method are generally adopted for hoisting and assembling, the tunnel boring machine comprises a rear matched trailer, the rear part of a transition trailer is connected with the rear part of the rear matched trailer, a box culvert part crane is arranged on the transition trailer, and the lower part of the transition trailer is connected with a sliding trolley, so that the normal passing of a trackless rubber-tyred vehicle can be guaranteed while the bottom arch is assembled on the rear part of the boring machine. But box culvert piece loop wheel machine is difficult to quick accurate adjustment box culvert piece concatenation position, needs constructor to adjust prefabricated box culvert piece one by one and reaches the accurate regulation and assemble to it consumes a large amount of time and manpower when box culvert piece docks.
Disclosure of Invention
The invention aims to solve the technical problems to a certain extent, provides a fine adjustment and assembly device for prefabricated box culvert pieces of a shield tunnel, solves the problems of time and labor waste during butt joint of the prefabricated box culvert pieces, and ensures the assembly quality of the prefabricated box culvert pieces.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a shield tunnel prefabricated box culvert piece fine adjustment assembling device comprises a vehicle body, a stepping device, a telescopic device and a fine adjustment assembly, wherein the vehicle body is of a long structure which extends forwards and backwards and is capable of moving forwards and backwards in a culvert of a prefabricated box culvert piece;
the fine adjustment assembly is arranged at the front end of the vehicle body and comprises a box culvert piece supporting plate, and the box culvert piece supporting plate is used for lifting the top of a culvert of the prefabricated box culvert piece and finely adjusting the position of the prefabricated box culvert piece;
the stepping device is arranged on the vehicle body in a matched manner and can move back and forth along the front and back directions, the stepping device comprises a left stepping supporting shoe and a right stepping supporting shoe which are symmetrically distributed, and the two stepping supporting shoes are used for fixedly supporting the left side wall and the right side wall of the culvert of the prefabricated box culvert;
one end of the telescopic device is connected to the front end of the vehicle body, and the other end of the telescopic device is connected to the stepping device.
Furthermore, the fine adjustment assembly also comprises an H-shaped base frame, a fine adjustment concave guide table, a fine adjustment longitudinal platform and a fine adjustment transverse platform, the fine adjustment concave guide table is fixed on a cross beam of the H-shaped base frame, the fine adjustment longitudinal platform is longitudinally connected on the fine adjustment concave guide table in a front-back sliding manner, the fine adjustment transverse platform is transversely connected on the fine adjustment longitudinal platform in a left-right sliding manner,
the top surface center position of the fine adjustment transverse platform is in ball hinge connection with the box culvert piece supporting plate, and different side surfaces between the fine adjustment transverse platform and the box culvert piece supporting plate are respectively in ball hinge connection with a fine adjustment inclination angle oil cylinder, a fine adjustment elevation angle oil cylinder and a fine adjustment corner oil cylinder, so that the left and right inclination angles, the front and back elevation angles and the horizontal plane corner of the box culvert piece supporting plate are adjusted.
Furthermore, the stepping device also comprises a n-shaped stepping frame and two stepping shoe supporting oil cylinders, wherein the n-shaped stepping frame is a n-shaped section bar frame, the two stepping shoe supporting oil cylinders are respectively inserted into the left side and the right side of the n-shaped stepping frame through sliding rods, one end of each stepping shoe supporting oil cylinder is hinged to the n-shaped stepping frame, the other end of each stepping shoe supporting oil cylinder is hinged to the stepping shoe supporting, and the stepping shoe supporting oil cylinders control the corresponding stepping shoe supporting to transversely move left and right;
the car body is provided with a guide rail along the front-back direction, and the middle part of the n-shaped stepping frame is matched with the guide rail through a sliding block to slide back and forth.
Furthermore, the H-shaped base frame consists of a left vertical column, a right vertical column and a middle cross beam, a shoe supporting column capable of sliding up and down is arranged at the lower end of the column of the H-shaped base frame, and a shoe is hinged to the lower end of the shoe supporting column;
the outer side of the upright post of the H-shaped base frame is hinged with a fine adjustment vertical oil cylinder, and the other end of the fine adjustment vertical oil cylinder is hinged on the shoe supporting post.
Furthermore, the left side and the right side of the front end of the frame are symmetrically provided with ox horn connecting blocks, the left side and the right side of the H-shaped base frame are respectively provided with a vertical cylindrical guide pin, and the ox horn connecting blocks are correspondingly connected with the cylindrical guide pins in a sliding manner.
Further, the automobile body includes frame and a plurality of leading wheel, and the frame is formed by a plurality of crossbeams and longeron concatenation, the below of frame is installed two and is controlled the skid shoes of parallel symmetric distribution through two rows of supporting legs, and the cantilever beam installation is passed through in two rows of supporting leg outsides the leading wheel.
Further, be fixed with a plurality of box culvert spare vertical locating pins on the box culvert spare layer board, the lateral surface of step-by-step boots that props is fixed with a plurality of box culvert spare transverse locating pins.
Compared with the prior art, the invention has the following beneficial effects:
1. the stepping device is fixed in the culvert of the spliced prefabricated box culvert pieces through two stepping supporting shoes, the fine adjustment assembly is positioned in the culvert of the prefabricated box culvert pieces to be spliced, the lifting and the six-degree-of-freedom precise adjustment of the prefabricated box culvert pieces to be spliced are realized through the fine adjustment assembly, and the stepping device is matched with the vehicle body to realize that the whole prefabricated box culvert piece fine adjustment splicing device moves in the culvert of each prefabricated box culvert piece;
the invention reliably ensures the accurate adjustment of the pose of the prefabricated box culvert piece, has simple operation, effectively reduces the labor investment for splicing the prefabricated box culvert piece, improves the splicing efficiency of the prefabricated box culvert piece and ensures the splicing quality of the prefabricated box culvert piece;
2. the fine adjustment assembly consists of a supporting shoe, a supporting shoe column, a fine adjustment vertical oil cylinder, an H-shaped base frame, a fine adjustment inclination oil cylinder, a box culvert piece supporting plate, a fine adjustment elevation oil cylinder, a fine adjustment corner oil cylinder, a fine adjustment transverse platform, a fine adjustment longitudinal oil cylinder, a fine adjustment concave guide table and a fine adjustment longitudinal platform, the prefabricated box culvert pieces to be spliced are lifted and accurately adjusted in six degrees of freedom through the matching of the oil cylinders, and the adjustment process is stable;
3. the stepping device comprises a n-shaped stepping frame, two stepping shoe supporting oil cylinders and two stepping shoe supporting cylinders, and the stepping device can be fixed in a culvert of the spliced prefabricated box culvert piece through the two stepping shoe supporting cylinders, so that the fine adjustment assembly can work in the prefabricated box culvert piece to be spliced conveniently.
Drawings
FIG. 1 is a schematic structural view of a shield tunnel prefabricated box culvert piece fine-tuning and assembling device of the invention;
FIG. 2 is a schematic view of the fine adjustment assembly of the present invention;
FIG. 3 is a schematic view of the body structure of the present invention;
FIG. 4 is a schematic view of a stepping device according to the present invention;
FIG. 5 is a schematic view of the structure of the prefabricated box culvert of the present invention;
wherein: 1. a cylindrical guide pin, 2, a fine adjustment assembly, 201, a supporting shoe, 202, a supporting shoe column, 203, a fine adjustment vertical oil cylinder, 204, an H-shaped base frame, 2041, a oxhorn connecting block mounting seat, 205, a fine adjustment inclination angle oil cylinder, 206, a box culvert piece supporting plate, 2061, a box culvert piece vertical positioning pin, 207, a fine adjustment elevation angle oil cylinder, 208, fine adjustment corner oil, 209, a fine adjustment transverse oil cylinder, 210, a fine adjustment transverse platform, 211, a fine adjustment longitudinal oil cylinder and 212, the device comprises a fine adjustment concave type guide table, 213, a fine adjustment longitudinal platform, 3, a stepping oil cylinder, 4, an ox-shaped vehicle body, 401, an ox-shaped vehicle frame, 4011, an ox horn connecting block, 4012, a stepping oil cylinder mounting seat A, 4013, two four-leg sliding shoes, 402, a guide wheel, 5, a stepping device, 501, a pi-shaped stepping supporting shoe, 5011, a box culvert piece transverse positioning pin, 502, a stepping supporting shoe oil cylinder, 503, a n-shaped stepping frame, 5031, a sliding block, 5032 and a stepping oil cylinder mounting seat B.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1, the present embodiment discloses a fine adjustment and assembly device for prefabricated box culvert components in a shield tunnel, which mainly comprises a fine adjustment assembly 2, a telescopic device, a vehicle body 4 and a stepping device 5, wherein in the present embodiment, the stepping cylinder 3 is selected as the telescopic device.
As shown in fig. 2, the fine adjustment assembly 2 is composed of a shoe support 201, a shoe support column 202, a fine adjustment vertical oil cylinder 203, an H-shaped base frame 204, a fine adjustment tilt angle oil cylinder 205, a box culvert member supporting plate 206, a fine adjustment elevation angle oil cylinder 207, a fine adjustment corner oil cylinder 208, a fine adjustment transverse oil cylinder 209, a fine adjustment transverse platform 210, a fine adjustment longitudinal oil cylinder 211, a fine adjustment concave guide table 212 and a fine adjustment longitudinal platform 213. H type bed frame 204 is formed by the equipment of two vertical posts and middle crossbeam about with, prop boots 201, prop boots post 202 and the vertical hydro-cylinder 203 quantity of fine tuning and be two, prop boots 201 ball joint and prop boots post 202 lower extreme, articulated prop the boots and be used for propping the section of jurisdiction surface matching laminating of vamp and culvert, prop the lower extreme sliding connection of boots post 202 and H type bed frame 204 stand, the vertical hydro-cylinder 203 of fine tuning articulates respectively on propping boots post 202 and H type bed frame 204 stand lateral wall, through the vertical hydro-cylinder 203 of fine tuning, enable fine tuning assembly 2 whole rising, and can support the bottom surface at the culvert through propping boots 201. The outer sides of the upright columns on two sides of the H-shaped base frame 204 are fixed with oxhorn connecting block mounting seats 2041, and vertical cylindrical guide pins 1 are mounted on the oxhorn connecting block mounting seats 2041.
A fine adjustment concave guide table 212 is fixed on a cross beam of the H-shaped base frame 204, a groove is formed in the surface of the fine adjustment concave guide table 212, the groove upper portion of the fine adjustment concave guide table 212 is connected with the fine adjustment longitudinal platform 213 in a front-back longitudinal sliding mode, the fine adjustment longitudinal oil cylinders 211 are integrally distributed in a front-back longitudinal mode, the fine adjustment longitudinal oil cylinders 211 are hinged with the fine adjustment longitudinal platform 213 and the fine adjustment concave guide table 212 respectively, and the fine adjustment longitudinal platform 213 is controlled to slide in the front-back longitudinal mode relative to the fine adjustment concave guide table 212 through the stretching of the fine adjustment longitudinal oil cylinders 211. The upper part of the fine adjustment longitudinal platform 213 is connected with the fine adjustment transverse platform 210 in a left-right transverse sliding mode, the fine adjustment transverse oil cylinders 209 are distributed in a left-right transverse mode, the fine adjustment transverse oil cylinders 209 are hinged with the fine adjustment transverse platform 210 and the fine adjustment longitudinal platform 213 respectively, and the fine adjustment transverse oil cylinders 209 can be controlled to slide left and right transversely relative to the fine adjustment longitudinal platform 213 through stretching of the fine adjustment transverse oil cylinders 209. The top center position of the fine adjustment transverse platform 210 is in ball-hinged connection with the box culvert member supporting plate 206. The fine adjustment tilt angle cylinder 205, the fine adjustment elevation angle cylinder 207 and the fine adjustment corner cylinder 208 are respectively and spherically hinged with the fine adjustment transverse platform 210 and the box culvert piece supporting plate 206 so as to adjust the left and right tilt angles, the front and back elevation angles and the horizontal plane corner of the box culvert piece supporting plate. Wherein, the fine adjustment inclination oil cylinders 205 are vertically distributed, one end of the fine adjustment inclination oil cylinder 205 is hinged on the right side of the fine adjustment transverse platform 210 through a ball joint, and the other end of the fine adjustment inclination oil cylinder is hinged on the right side of the box culvert piece supporting plate 206 through a ball joint; the fine adjustment elevation angle oil cylinders 207 are vertically distributed, one end of each fine adjustment elevation angle oil cylinder 207 is hinged to the front side of the fine adjustment transverse platform 210 in a ball-joint mode, and the other end of each fine adjustment elevation angle oil cylinder 207 is hinged to the front side of the box culvert piece supporting plate 206 in a ball-joint mode; the fine adjustment corner oil cylinders 208 are transversely distributed front and back, one end of each fine adjustment corner oil cylinder 208 is hinged to the left side of the top surface of the fine adjustment transverse platform 210 through a ball, and the other end of each fine adjustment corner oil cylinder 208 is hinged to the left side of the bottom surface of the box culvert member supporting plate 206 through a ball. The fine adjustment tilt angle oil cylinder 205, the fine adjustment elevation angle oil cylinder 207 and the fine adjustment corner oil cylinder 208 are mutually matched to realize three-degree-of-freedom corner fine adjustment of left and right tilt angles, front and back elevation angles and horizontal plane corners of the box culvert. The box culvert piece vertical positioning pins 2061 which are symmetrically distributed at left and right are fixed on the top surface of the box culvert piece supporting plate 206, and the box culvert piece is quickly positioned when the box culvert piece vertical positioning pins 2061 are used for supporting the box culvert piece.
In this embodiment, the car body 4 is of an elongated structure extending in the fore-and-aft direction and can move forward and backward in the culvert of the prefabricated box culvert part, as shown in figure 3. The automobile body 4 includes frame 401 and four leading wheels 402, and frame 401 is formed by three crossbeams and two longerons concatenations, and the below of frame 401 is installed two left and right sides parallel symmetry's smooth boots 4013 through two rows of supporting legs, and smooth boots 4013 are the slide plate structure of extending around, conveniently slide in the culvert. Guide wheels 402 are installed on the outer sides of the two rows of support legs of the frame 401 through cantilever beams, and the guide wheels 402 are used for preventing the whole device from deviating laterally when the fine adjustment assembling device is stepped. The left side and the right side of a cross beam at the front end of the frame 401 are symmetrically fixed with ox horn connecting blocks 4011, and a stepping oil cylinder mounting seat A4012 is fixed in the middle of the cross beam. Fine tuning assembly 2 is through cylinder uide pin 1 and automobile body 4's ox horn connecting block 4011 sliding connection, and sliding connection is used for fine tuning assembly 2 to hold up box culvert spare in-process and prevents to drive the automobile body unsettled.
As shown in fig. 4, the stepping device 5 includes a n-shaped stepping frame 503, two stepping supporting shoes 501 and two stepping supporting shoe cylinders 502, the n-shaped stepping frame 503 is a n-shaped section frame formed by splicing a section bar cross bar, a section bar vertical bar and a section bar vertical bar, the two stepping supporting shoes 501 are respectively inserted into the left and right outer sides of the n-shaped stepping frame 503 through a slide bar, one end of each stepping supporting shoe cylinder 502 is hinged to the n-shaped stepping frame 503, the other end of each stepping supporting shoe cylinder is hinged to the stepping supporting shoe 501, and the stepping supporting shoe cylinders control the corresponding stepping supporting shoes to move horizontally left and right. The box culvert piece transverse positioning pin 5011 is fixed to the center of the supporting plate of the stepping supporting shoe 501, and the box culvert piece transverse positioning pin 5011 is used for quickly positioning the stepping device 5 and the box culvert piece and preventing the stepping device 5 from sliding backwards in the stepping process.
A guide rail is provided in the front-rear direction on the vehicle body 4, the middle portion of the step bracket 503 is fitted to the guide rail of the vehicle body 4 via a slider 5031 to slide in the front-rear direction, and a step cylinder mounting seat B5032 is fixed to a cross member of the step bracket 503. Two ends of the stepping cylinder 3 are respectively hinged on a stepping cylinder mounting seat A4012 at the front part of the vehicle body 4 and a stepping cylinder mounting seat B5032 at the rear part of the stepping device 5.
As shown in fig. 5, for example, a box culvert laid at the bottom of a shield tunnel is used as a drainage channel or a passage for emergency escape of personnel, when a prefabricated box culvert is processed, in order to be matched with the device for use, two supporting plate positioning pin holes are processed at the top of the culvert, a stepping supporting plate positioning pin hole is respectively processed on the left side wall and the right side wall of the culvert, and a plurality of prefabricated box culverts are sequentially placed in the shield tunnel from back to front through a box culvert part crane, but the splicing positions of the box culverts are difficult to quickly and accurately adjust by the box culvert part crane, and a constructor needs to adjust the prefabricated box culvert through the shield tunnel prefabricated box culvert part fine adjustment splicing device to achieve accurate adjustment splicing.
For convenience of description, the prefabricated box culvert pieces are sequentially marked as a No. 0 piece, a No. 1 piece and a No. 2 piece … … from back to front, and the precise adjusting and assembling device for the prefabricated box culvert pieces of the shield tunnel has the following specific working processes:
1. the constructor manually adjusts the No. 0 part to reach the standard accurate splicing position, and takes the No. 0 part as the standard position;
2. moving the shield tunnel prefabricated box culvert piece fine adjustment assembly device into a culvert of a No. 0 piece, wherein a stepping device 5 is positioned in the culvert of the No. 0 piece, a stepping support shoe 501 is unfolded under the action of a stepping support shoe oil cylinder and contacts the side wall of the culvert, so that a box culvert piece transverse positioning pin is inserted into a stepping support plate positioning pin hole of the culvert, the stepping device 5 is fixed in the culvert of the No. 0 piece, and a stepping oil cylinder 3 is extended, so that a vehicle body drives a fine adjustment assembly 2 to move forwards to a proper position in the culvert of the No. 1 piece;
3. the fine adjustment assembly 2 is positioned in a culvert of the No. 1 piece, a vertical box culvert piece positioning pin of a box culvert piece supporting plate is inserted into a supporting plate positioning pin hole of the No. 1 piece culvert through the movement of the supporting shoes 201 and the supporting shoe columns 202 in the vertical direction, so that the lifting of the No. 1 piece and the fine adjustment in the vertical direction are realized, the front and back longitudinal fine adjustment of the No. 1 piece is realized through the longitudinal movement of a fine adjustment longitudinal platform 213, the left and right transverse fine adjustment of the No. 1 piece is realized through the transverse movement of a fine adjustment transverse platform 210, the fine adjustment of the corner of the No. 1 piece is realized through a ball hinge pair of the fine adjustment transverse platform 210 and the box culvert piece supporting plate 206, and the fine adjustment inclination angle cylinder 205, the fine adjustment angle cylinder 207 and the fine adjustment angle cylinder 208 are mutually matched to realize the left and right inclination angle, the front and back elevation angle and the horizontal plane corner fine adjustment with three degrees of three degrees; the precise adjustment of the prefabricated box culvert in six degrees of freedom in space is realized through the precise adjustment assembly 2, so that the No. 1 piece is precisely butted with the No. 0 piece;
4. the fine adjustment vertical oil cylinder retracts to enable the box culvert part supporting plate to be separated from the No. 1 part, the stepping oil cylinder 3 extends further to enable the vehicle body to drive the fine adjustment assembly 2 to move forwards to a proper position in the culvert of the No. 2 part, and the fine adjustment assembly 2 repeats the action of the step 3 to enable the No. 2 part to be accurately butted with the No. 1 part;
5. the stepping shoe supporting oil cylinder of the stepping device 5 retracts to enable the stepping shoe supporting 501 to retract, the stepping device 5 moves forwards to the culvert of the No. 1 part under the action of the stepping oil cylinder 3, the stepping shoe supporting 501 is unfolded, the box culvert part transverse positioning pin is inserted into the stepping supporting plate positioning pin hole of the culvert of the No. 1 part, and therefore the stepping device 5 is fixed in the No. 1 part;
the fine adjustment vertical oil cylinder retracts to enable the box culvert part supporting plate to be separated from the No. 2 part, the stepping oil cylinder 3 extends further to enable the vehicle body to drive the fine adjustment assembly 2 to move forwards to a proper position in a culvert of the No. 3 part, and the fine adjustment assembly 2 repeats the action of the step 3 to enable the No. 3 part to be accurately butted with the No. 2 part;
6. and repeating the steps 3-5, and finely adjusting and butting the prefabricated box culvert pieces one by one.
According to the invention, the lifting and six-degree-of-freedom precise adjustment of the prefabricated box culvert pieces are realized through the precise adjustment assembly, and the movement of the prefabricated box culvert piece precise adjustment assembly device in the box culvert pieces is realized through the matching of the stepping device and the bovine-shaped vehicle body.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. A shield tunnel prefabricated box culvert piece fine adjustment splicing device is characterized by comprising a vehicle body, a stepping device, a telescopic device and a fine adjustment assembly, wherein the vehicle body is of a long structure extending and distributed front and back and can move front and back in a culvert of a prefabricated box culvert piece;
the fine adjustment assembly is arranged at the front end of the vehicle body and comprises a box culvert piece supporting plate, and the box culvert piece supporting plate is used for lifting the top of a culvert of the prefabricated box culvert piece and finely adjusting the position of the prefabricated box culvert piece;
the stepping device is arranged on the vehicle body in a matched manner and can move back and forth along the front and back directions, the stepping device comprises a left stepping supporting shoe and a right stepping supporting shoe which are symmetrically distributed, and the two stepping supporting shoes are used for fixedly supporting the left side wall and the right side wall of the culvert of the prefabricated box culvert;
one end of the telescopic device is connected to the front end of the vehicle body, and the other end of the telescopic device is connected to the stepping device.
2. The shield tunnel prefabricated box culvert piece fine adjustment and assembly device according to claim 1, wherein the fine adjustment assembly further comprises an H-shaped base frame, a fine adjustment concave guide table, a fine adjustment longitudinal platform and a fine adjustment transverse platform, the fine adjustment concave guide table is fixed on a cross beam of the H-shaped base frame, the fine adjustment longitudinal platform is longitudinally and longitudinally connected on the fine adjustment concave guide table in a sliding manner in the front-back direction, the fine adjustment transverse platform is transversely and laterally connected on the fine adjustment longitudinal platform in the left-right direction,
the top surface center position of the fine adjustment transverse platform is in ball hinge connection with the box culvert piece supporting plate, and different side surfaces between the fine adjustment transverse platform and the box culvert piece supporting plate are respectively in ball hinge connection with a fine adjustment inclination angle oil cylinder, a fine adjustment elevation angle oil cylinder and a fine adjustment corner oil cylinder, so that the left and right inclination angles, the front and back elevation angles and the horizontal plane corner of the box culvert piece supporting plate are adjusted.
3. The shield tunnel prefabricated box culvert piece fine-tuning and assembling device of claim 1, wherein the stepping device further comprises a n-shaped stepping frame and two stepping shoe oil cylinders, the n-shaped stepping frame is a n-shaped section frame, the two stepping shoes are respectively inserted into the left and right outer sides of the n-shaped stepping frame through sliding rods, one end of each stepping shoe oil cylinder is hinged to the n-shaped stepping frame, the other end of each stepping shoe oil cylinder is hinged to the stepping shoes, and the stepping shoe oil cylinders control the corresponding stepping shoes to move transversely left and right;
the car body is provided with a guide rail along the front-back direction, and the middle part of the n-shaped stepping frame is matched with the guide rail through a sliding block to slide back and forth.
4. The shield tunnel prefabricated box culvert piece fine-adjustment assembling device according to claim 2, wherein the H-shaped base frame is composed of a left vertical column, a right vertical column and a middle cross beam, shoe supporting columns capable of sliding up and down are arranged at the lower ends of the columns of the H-shaped base frame, and shoe supporting columns are hinged to the lower ends of the shoe supporting columns;
the outer side of the upright post of the H-shaped base frame is hinged with a fine adjustment vertical oil cylinder, and the other end of the fine adjustment vertical oil cylinder is hinged on the shoe supporting post.
5. The shield tunnel prefabricated box culvert piece fine adjustment and assembly device according to claim 4, wherein the left side and the right side of the front end of the frame are symmetrically provided with ox horn connecting blocks, the left side and the right side of the H-shaped base frame are respectively provided with a vertical cylindrical guide pin, and the ox horn connecting blocks are correspondingly and slidably connected with the cylindrical guide pins.
6. The shield tunnel prefabricated box culvert piece fine-tuning and assembling device of claim 1, wherein the vehicle body comprises a frame and a plurality of guide wheels, the frame is formed by splicing a plurality of cross beams and longitudinal beams, two sliding shoes which are symmetrically distributed in a left-right parallel mode are installed below the frame through two rows of supporting legs, and the guide wheels are installed on the outer sides of the two rows of supporting legs through cantilever beams.
7. The shield tunnel prefabricated box culvert piece fine-adjusting and assembling device according to any one of claims 1-6, wherein a plurality of box culvert piece vertical positioning pins are fixed on the box culvert piece supporting plate, and a plurality of box culvert piece transverse positioning pins are fixed on the outer side surface of the stepping supporting shoe.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991030A (en) * | 2022-05-20 | 2022-09-02 | 苏交科集团检测认证有限公司 | Accurate space positioning system and method for prefabricated box culvert |
| CN115198791A (en) * | 2022-05-20 | 2022-10-18 | 中交隧道工程局有限公司 | Bottom grouting process for mounting lower structural member of large-diameter shield tunnel |
-
2022
- 2022-02-28 CN CN202210184261.8A patent/CN114412507A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991030A (en) * | 2022-05-20 | 2022-09-02 | 苏交科集团检测认证有限公司 | Accurate space positioning system and method for prefabricated box culvert |
| CN115198791A (en) * | 2022-05-20 | 2022-10-18 | 中交隧道工程局有限公司 | Bottom grouting process for mounting lower structural member of large-diameter shield tunnel |
| CN115198791B (en) * | 2022-05-20 | 2024-02-02 | 中交隧道工程局有限公司 | Bottom grouting process for installing lower structural part of large-diameter shield tunnel |
| CN114991030B (en) * | 2022-05-20 | 2024-03-29 | 苏交科集团检测认证有限公司 | Accurate space positioning system and method for prefabricated box culvert |
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