CN118061354B - Multi-angle positioning device for tunnel segment embedded sleeve and mounting method - Google Patents
Multi-angle positioning device for tunnel segment embedded sleeve and mounting method Download PDFInfo
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- CN118061354B CN118061354B CN202410464919.XA CN202410464919A CN118061354B CN 118061354 B CN118061354 B CN 118061354B CN 202410464919 A CN202410464919 A CN 202410464919A CN 118061354 B CN118061354 B CN 118061354B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The invention discloses a multi-angle positioning device and an installation method for a tunnel segment embedded sleeve, comprising the following steps: the positioning device comprises a positioning device frame, a multidirectional laser pen, a supporting frame and a laser emitting device; the positioning device frame comprises symmetrically arranged pedestals, upright posts are arranged on the pedestals, secondary beams and main beams are arranged at the tops of the upright posts, positioning plates are arranged below the main beams, and the positioning plates are connected with the main beams through hanging pieces; the multidirectional laser pen is arranged on the lower surface of the positioning plate and used for accurately positioning and transmitting multi-angle laser to the embedded sleeve; the support frame is arc-shaped and is arranged between the two pedestals and used for accommodating the prefabricated segment steel reinforcement framework, the connecting end of the support frame and the pedestals can slidably adjust the distance between different support frames, and the radian of the support frame is determined according to the edge radian of the prefabricated segment steel reinforcement framework; the laser emission device is located on the symmetry axis of the two pedestals, can longitudinally move along the symmetry axis, and is adjustable in laser emission angle and used for determining the installation position of the multi-direction laser pen and the accurate positioning of the embedded sleeve.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering, and particularly relates to a multi-angle positioning device for a tunnel segment embedded sleeve and an installation method.
Background
In urban rail transit construction, an interval tunnel is usually constructed by a shield method, and the tunnel is formed by splicing prefabricated segments in different blocks. In the prefabrication process of the shield tunnel segment, in order to meet the installation of radial grouting, partial internal equipment installation, hoisting holes and the like in a hole, a sleeve or a sleeve is often embedded in the segment, especially in a connecting channel which needs to be constructed by adopting a freezing method, if the embedded sleeve is adopted, the sleeve with very many different angles needs to be embedded, and the positioning and the installation of the embedded sleeve have larger requirements.
At present, radial embedded sleeves on a plurality of duct pieces are usually positioned and fixed by arranging fixing screws on duct piece steel molds in advance, so that duct piece prefabrication efficiency is influenced, the service life of the duct piece molds is also influenced, in addition, once the steel mold positioning screws are finished, the later modification is difficult, positioning and installation of various sleeves of prefabricated duct pieces are severely limited, and particularly, the embedded sleeves of a large number of multi-angle refrigerating pipes are basically difficult to construct, and therefore, the refrigerating pipes in the conventional rail transit communication channels are generally directly drilled on the duct piece structures.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-angle positioning device and a mounting method for the tunnel segment embedded sleeve, which can realize the rapid positioning and mounting of the multi-angle embedded sleeve on the tunnel segment.
The invention realizes the aim through the following technical scheme:
the invention provides a multi-angle positioning device for a tunnel segment embedded sleeve, which comprises the following components:
the positioning device frame comprises pedestal, wherein the pedestal is symmetrically arranged, the pedestal is provided with upright posts, the tops of the upright posts are provided with secondary beams connected with the upright posts on the same side and main beams connected with the corresponding upright posts on different pedestal, and a positioning plate is arranged below the main beams and connected with the main beams through hanging pieces;
The multi-directional laser pen is arranged on the lower surface of the positioning plate and used for accurately positioning and emitting multi-angle laser to the embedded sleeve;
the support frames are arc-shaped and are arranged between the two pedestals and used for accommodating prefabricated segment steel bar frameworks, the connecting ends of the support frames and the pedestals can slidably adjust the distance between the different support frames, and the radian of each support frame is determined according to the edge radian of the prefabricated segment steel bar frameworks;
The laser emission device is located on the symmetry axis of the two pedestals, can longitudinally move along the symmetry axis, and is adjustable in laser emission angle and used for determining the installation position of the multidirectional laser pen and the accurate positioning of the embedded sleeve.
Further, the pedestal is of a lifting structure.
Further, the upright post is provided with a bracket with an adjustable position.
Further, the support frame is connected with the T-shaped chute and the pedestal through the C-shaped clamping groove.
Further, the support frame comprises a steel frame and a limiting block, wherein the limiting block is provided with a limiting groove, and the limiting block is installed at the top of the steel frame through the limiting groove and used for limiting the distance between the connected steel frames.
Still further, the stopper is equipped with the reinforcing bar reservation groove, the reinforcing bar reservation groove is used for fixed prefabricated section of jurisdiction steel reinforcement skeleton.
Further, multidirectional laser pen includes the laser pen, the laser pen is installed in connecting sleeve one end, connecting sleeve links to each other with the slider, the slider is located the spout of hemisphere end seat, the slider is in around in the spout the centre of sphere of hemisphere end seat is the circular arc slip in vertical plane, the spout of hemisphere end seat is equipped with vertical scale groove, base circumference and is equipped with horizontal scale groove, vertical scale groove and horizontal scale inslot all are equipped with the scale.
Further, the laser emission device is including setting up the slip track in two pedestal symmetry axis both sides, be equipped with supporting platform on the slip track, supporting platform center is equipped with the rotating base that can horizontal circumference pivoted, the laser instrument is installed to the rotating base, but laser instrument adjustable emission angle in vertical plane, the slip track is equipped with the scale.
Further, holes which are arranged in a staggered way are arranged on the positioning plate.
The invention also provides a multi-angle positioning and installing method for the tunnel segment embedded sleeve, which adopts the multi-angle positioning device for the tunnel segment embedded sleeve, and sets the horizontal direction as an X axis, the vertical direction as a Y axis and the depth direction as a Z axis, and comprises the following specific installing steps:
s1, installing a positioning device frame, and adjusting a positioning plate to be in a horizontal state through a hanging piece and a bracket;
S2, installing a laser emitting device, ensuring that the whole device is in a horizontal state, adjusting the laser emitting device to the central position of a sliding track along a longitudinal Z axis, and enabling a laser to be positioned on the vertical central line of the whole device;
S3, measuring the vertical distance H between the laser emission point and the positioning plate, and determining the position of the multi-directional laser pen on the positioning plate in a design drawing according to the embedding angle of the embedded sleeve, H and the position of the embedded sleeve on the longitudinal Z axis to obtain an included angle alpha between the two straight lines of the positions of the laser and the multi-directional laser pen on the positioning plate and the vertical central line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment;
s4, adjusting the position of the laser emitting device on the longitudinal sliding track, opening the laser, emitting point laser, determining the actual position of the multi-directional laser pen around the Z-axis deflection included angle alpha, and fixing the multi-directional laser pen on the positioning plate;
S5, repeating the steps S3 and S4, completing the installation of the multi-directional laser pens corresponding to different embedded sleeves, and making marks beside each multi-directional laser pen;
s6, selecting proper steel frames and limiting blocks according to the size of the shield reinforcement cage, and sequentially installing the steel frames between the pedestals by utilizing C-shaped clamping grooves and T-shaped sliding grooves;
s7, turning on a laser to emit line laser, and sequentially checking, adjusting and fixing the longitudinal Z-axis positions of the steel frame and the limiting block by the mobile laser;
S8, producing and manufacturing a reinforcement cage, and reserving an installation space of the embedded sleeve in advance;
S9, determining an included angle gamma between a laser line of the laser pen, which is shot to the upper end target, and a laser line of the laser device, which is shot to the mounting position point of the multidirectional laser pen, and an included angle beta between the laser line of the laser device, which is shot to the lower end target, and the vertical center line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment according to the design diagram;
s10, adjusting the laser emission angle of the laser pen, the position of the laser and the laser emission angle according to the calculated included angle gamma and the calculated included angle beta;
S11, placing the embedded sleeve at a position matched with a laser line, calibrating the position of the embedded sleeve by using an upper end target and a lower end target which are arranged on a central sleeve and respectively receiving laser emitted by a laser pen and a laser, and fixing the embedded sleeve on a reinforcement cage by using a fixing rod after the position is determined;
and S12, repeating the steps S9 to S11, and finishing positioning and mounting of the residual embedded sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can realize the rapid positioning of a large number of multi-angle embedded sleeves in the prefabricated segment structure;
2. the multi-angle positioning device for the tunnel segment embedded sleeve can meet the positioning and mounting requirements of the embedded sleeve at various angles, can visually see whether the position of the embedded sleeve has deviation, avoids repeated manual retesting and checking, effectively controls reworking times and improves construction efficiency;
3. the invention does not need to use the existing steel die for positioning, avoids the punching or welding operation on the prefabricated segment steel die, basically has no influence on the existing steel die, and ensures the service life of the steel die;
4. The multi-angle positioning device for the tunnel segment embedded sleeve provided by the invention has the advantages of simple structural form, flexible installation on site, convenience in design and easiness in popularization.
In summary, the multi-angle positioning device and the mounting method for the embedded sleeve of the tunnel segment can realize the rapid positioning and mounting of the multi-angle embedded sleeve on the tunnel segment, effectively reduce reworking times, do not need to damage the existing steel mold, do not affect the service life of the steel mold, can intuitively see whether the embedded sleeve has deviation or not, can also serve as a segment reinforcement cage mounting platform, and are convenient for rapid production and manufacturing of the tunnel segment provided with the multi-angle embedded sleeve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a three-dimensional schematic diagram of a pre-buried sleeve positioning device according to an embodiment of the present invention;
FIG. 2 is a three-dimensional schematic diagram of a laser emitting device according to an embodiment of the present invention;
FIG. 3 is a three-dimensional schematic view of a stopper according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a stopper according to an embodiment of the present invention;
FIG. 5 is a detailed construction view of a support structure according to an embodiment of the present invention;
FIG. 6 is a three-dimensional schematic diagram of a multi-directional laser pen according to an embodiment of the invention;
FIG. 7 is a schematic three-dimensional exploded view of a multi-directional laser pen according to an embodiment of the present invention;
FIG. 8 is a three-dimensional interior view of an embedded sleeve according to an embodiment of the present invention;
FIG. 9 is a three-dimensional schematic diagram of positioning and installing embedded sleeves in duct pieces according to an embodiment of the invention;
fig. 10 is a sectional view of positioning and installing a pre-buried sleeve in a duct piece according to an embodiment of the present invention.
Reference numerals in the drawings: 101-pedestal, 102-upright post, 103-main beam, 104-secondary beam, 105-locating plate, 106-hanging piece, 107-bracket, 108-T-shaped chute, 201-laser, 202-base, 203-supporting platform, 204-steel rail, 301-steel frame, 302-limited block, 303-limit groove, 304-steel bar reserved groove, 305-C-shaped clamping groove, 401-laser pen, 402-connecting sleeve, 403-sliding block, 404-chute, 405-hemispherical end seat, 406-vertical scale groove, 407-horizontal scale groove, 408-bolt hole, 409-bolt, 500-pre-buried sleeve, 501-central sleeve, 502-fixed support structure, 503-fixed rod, 504-upper end target, 505-lower end target, 600-steel bar framework.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention discloses an embodiment of a multi-angle positioning device for a tunnel segment embedded sleeve, which comprises a positioning device frame, a laser emitting device, a supporting frame and a multi-directional laser pen, wherein the laser emitting device is positioned at the bottom of the positioning device frame, the supporting frame is positioned above the laser emitting device, and the multi-directional laser pen is arranged at the lower side of the top of the positioning device frame.
Assuming that the horizontal direction is the X axis, the vertical direction is the Y axis, and the depth direction is the Z axis.
As shown in fig. 1, the positioner frame includes a pedestal 101, a column 102, a main beam 103, a secondary beam 104, a hanger 106, a positioning plate 105, and brackets 107. Wherein the pedestal 101 stands on firm ground, and both sides pedestal 101 symmetry sets up, and pedestal 101 overall structure adopts concrete or steel frame to make, and pedestal 101 provides firm support for stand 102 and support frame, and when needs, pedestal 101 also can set up to the structure that can go up and down to can combine concrete use scene to confirm more suitable pedestal height during the construction, thereby make things convenient for section of jurisdiction reinforcement cage 600 and pre-buried sleeve 500 location installation more. The pedestal 101 is connected with the upright 102 through a column base member, and the column base member is composed of anchor bars and anchor plates. The pedestal 101 is joggled with the support frame through C-shaped clamping groove 305 and T-shaped chute 108, and the support frame utilizes T-shaped chute 108 to move longitudinally along the side of pedestal 101, so that the installation of duct piece steel frames with different widths is facilitated, and the replacement of the support frame is also facilitated so as to be suitable for shield duct pieces with different inner diameters. The upper part of the upright post 102 is provided with a main beam 103 and a secondary beam 104, and forms a stable frame structure together with the lower pedestal 101; the upper part of the main beam 103 is provided with a hanging piece 106, the hanging piece 106 consists of a hoop and a lower hanging rod, the hoop can hold the main beam 103 tightly, the locating plate 105 is hung through the hanging rod, the lower part of the hanging rod is provided with a sleeve, the sleeve can be bolted with the locating plate 105 through a screw rod, meanwhile, the hanging rod has a certain telescopic function, the locating plate 105 is convenient to adjust and is always in a horizontal state, and two sides of the locating plate 105 are fixed on the upright post 102 through brackets 107 and bolts; the positioning plate 105 can be provided with criss-cross holes according to the requirement, and the holes can be connected with the hanging piece 106 and the bracket 107 through bolts, and are also convenient to be connected with the multi-directional laser pen.
As shown in fig. 2, the laser emission device is arranged in the middle of the lower part of the positioning plate 105 and the support frame, the laser emission device comprises steel rails 204, a supporting platform 203, a rotating base 202 and a laser 201, wherein 2 steel rails 204 are respectively fixed on the ground at two sides of the horizontal center line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment, the supporting platform 203 provided with wheels is arranged at the upper part of the steel rails 204, so that the laser emission device can conveniently move along the depth (Z axis) direction, scale marks are arranged on the steel rails 204, so that the moving distance of the laser emission device along the Z axis direction can be conveniently determined, zero scale marks are arranged in the middle of the steel rails 204, and the scale marks at two ends are sequentially increased according to the distance; the support platform 203 is provided with a rotating base 202, the rotating base 202 can horizontally and circumferentially rotate, the laser 201 is riveted on the upper part of the base 202 through a bearing and can deflect around the bearing, and the adjustment of the emission angle of the laser 201 is realized through the rotating base 202 and the bearing; the laser 201 can emit both line laser light and spot laser light.
As shown in fig. 3 to 5, the support is disposed between two pedestals 101, and directly below the positioning plate 105, the support can be used for manufacturing a reinforcement cage 600 and positioning and installing the embedded sleeve 500, and comprises a steel frame 301, a limiting block 302 and a C-shaped clamping groove 305. The steel frame 301 is arc-shaped, the radius of the steel frame is determined according to the outer edge of the shield segment steel reinforcement framework 600, and the installation, manufacturing and limiting requirements of middle steel reinforcement of the steel reinforcement framework 600 are met; c-shaped clamping grooves 305 and T-shaped sliding grooves 108 are formed in the connection positions of the end parts of the steel frames 301 and the pedestals 101, the C-shaped clamping grooves 305 at the end parts of the steel frames 301 are placed in the T-shaped sliding grooves 108 on the pedestals 101 at the two sides and joggled with the pedestals 101, and the positions of the steel frames 301 can be adjusted preliminarily according to requirements after all the steel frames 301 are placed in the steel frames; after the positions of the steel frames 301 are determined, proper limiting blocks 302 are selected to be installed, and the limiting blocks 302 are installed on the steel frames 301 through limiting grooves 303 on the limiting blocks 302, so that the distance between the steel frames 301 is kept consistent; the steel bar reserved groove 304 at the upper part of the limiting block 302 is used for placing steel bars and controlling the distance between the steel bars, so that the production and the manufacture of the steel bar framework 600 are facilitated; after the steel frame 301 and the limiting block 302 are installed, a laser emission device at the lower part is used for emitting line laser to check the position of the steel frame 301 and the distance between the steel bar reserved grooves 304 in time, when the position does not meet the production requirement, the position of the steel frame 301 is adjusted in time, when the distance between the steel bar reserved grooves 304 does not meet the requirement, the proper limiting block 302 is replaced in time, and after the steel frame 301 and the limiting block 302 are installed and debugged, the steel frame 301 and the limiting block 302 are fixed by using screws; the arrangement of the C-shaped clamping groove 305 and the T-shaped sliding groove 108 provides a very flexible adjustment space for the supporting frame, thereby not only facilitating the installation and manufacture of the reinforcement cages 600 with different sizes, but also flexibly reserving the installation space of the embedded sleeve 500, and avoiding the collision between the end head of the embedded sleeve 500 and the supporting frame to influence the installation of the multi-angle embedded sleeve 500.
As shown in fig. 6 and 7, the multi-directional laser pen comprises a laser pen 401, a connecting sleeve 402, a sliding block 403, a sliding chute 404 and a hemispherical end seat 405; the upper part of the hemispherical end seat 405 is provided with a bolt hole 408, the hemispherical end seat 405 is inversely hung on the lower part of the positioning plate 105 through a hole on the positioning plate 105 by a bolt 409, and the hemispherical end seat 405 is provided with a chute 404 for mounting a sliding block 403; the sliding block 403 can slide in an arc in the sliding groove 404, a screw is arranged on the sliding block 403, the sliding block 403 is put in by utilizing a reserved hole of the sliding groove 404 at the upper part of the semi-spherical end seat 405, and then is connected with the connecting sleeve 402 by utilizing the screw thereon, and a laser pen 401 is arranged at the end part of the connecting sleeve 402; after the installation is completed, the laser pen 401 rotates on a vertical plane around the center of the hemispherical end seat 405 through the connecting sleeve 402, the sliding block 403 and the sliding groove 404, and the radial extension line of the laser pen 401 passes through the center of the hemispherical end seat 405; in addition, a vertical scale groove 406 and a horizontal scale groove 407 are arranged on the hemispherical end seat 405, and the scale grooves are internally provided with a scribing line which can be used for marking the current angle of the laser pen 401; when holes on the positioning plate 105 are difficult to meet the installation and positioning of a large number of multi-angle embedded sleeves 500, the hemispherical end seat 405 can be set to be in a magnetic structure and is directly magnetically attracted to the lower part of the steel positioning plate 105; the positioning of the multidirectional laser pen is determined through the installation angle of the embedded sleeve 500, the installation position of the multidirectional laser pen is the intersection point of the extension line of the central shaft of the embedded sleeve 500 and the positioning plate 105, the intersection point of the extension line of the central shaft of the embedded sleeve 500 and the positioning plate 105 is marked on a design drawing by acquiring the distance H from the laser 201 to the positioning plate 105, namely the installation position of the multidirectional laser pen, and the included angle alpha between the vertical central line of the embedded sleeve of the whole tunnel segment and the line of the laser 201 shot to the position point is determined according to the geometric relationship, so that the angle of the emitted light of the laser 201 is adjusted, and the actual intersection point of the laser ray and the positioning plate 105 is the fixed position of the multidirectional laser pen. Considering that the embedded sleeve 500 generally rotates in the cross section (around the Z axis), the laser pen 401 only needs to rotate left and right in the plane, the X axis of the positioning plate 105 is set to be zero graduation of the horizontal graduation groove 407, and the lowest part of the hemispherical end seat 405 is zero graduation of the vertical graduation groove 406.
As shown in fig. 8, the embedded sleeve 500 is provided with a central sleeve 501, a fixed support structure 502, a fixed rod 503, an upper end target 504 and a lower end target 505; the central sleeve 501 is of a hollow structure and is provided with internal threads, and an upper end target 504 and a lower end target 505 are arranged at two ends of the central sleeve 501 on the central shaft of the embedded sleeve 500 below through the internal threads; the center sleeve 501 is fixed on the embedded sleeve 500 through the fixing support structure 502, and the support rod in the fixing support structure 502 can realize certain expansion and contraction, so that the position of the center sleeve 501 can be timely adjusted, the center sleeve 501 can be ensured to be uniformly positioned on the central shaft of the embedded sleeve 500, the end part of the fixing support structure 502 is provided with the fixing rod 503, the embedded sleeve 500 can be fixed on the reinforcement cage 600 after being positioned and installed, and the fixing mode can be welding.
The invention also discloses a multi-angle positioning and mounting method of the tunnel segment embedded sleeve, as shown in fig. 9 and 10, assuming that the horizontal axis is an X axis, the vertical axis is a Y axis, and the depth direction of the segment is a Z axis, the method comprises the following steps:
S1, installing a positioning device frame, and adjusting the positioning plate 105 to a horizontal state through a hanging piece 106 and a bracket 107;
s2, installing a laser emitting device, ensuring that the whole device is in a horizontal state, adjusting the device to a zero scale line along the Z-axis direction, and simultaneously positioning a laser on a central line;
S3, measuring the vertical distance H between the laser emission point and the positioning plate, and determining the position of the multidirectional laser pen on the positioning plate in a design diagram according to the embedding angle of the embedded sleeve 500, H and the Z-axis position of the embedded sleeve to obtain an included angle alpha between the two straight lines of the position of the multidirectional laser pen on the laser and the positioning plate and the vertical central line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment;
s4, adjusting the position of the laser emitting device along the Z axis at the steel rail 204, opening the laser 201, emitting point laser and adjusting to a deflection included angle alpha to determine the installation position of the multi-directional laser pen, and fixing the multi-directional laser pen on the positioning plate 105;
S5, repeating the steps S3 and S4, completing the installation of the multi-directional laser pens corresponding to different embedded sleeves 500, and making marks beside each multi-directional laser pen;
s6, selecting a proper steel frame 301 and a proper limiting block 302 according to the size of a shield reinforcement cage, and sequentially installing the steel frame 301 between the pedestals 101 by utilizing a C-shaped clamping groove 305 and a T-shaped sliding groove 108;
S7, turning on the laser 201 to emit line laser, sequentially checking and adjusting the Z-axis positions of the steel frame 301 and the limiting block 302 by moving the laser 201, and fixing after determining the final position;
S8, manufacturing a reinforcement cage 600, and reserving an installation space of the embedded sleeve 500 in advance;
S9, determining an included angle gamma and an included angle beta according to a design drawing, wherein gamma is an included angle between a laser line of the laser pen which is shot to the upper end target and a laser line of the laser which is shot to the multidirectional laser pen mounting position point, and beta is an included angle between a laser line of the laser which is shot to the lower end target and a vertical central line of the whole tunnel segment embedded sleeve multi-angle positioning device;
S10, adjusting the laser emission angle of the laser pen 401, the position of the laser 201 and the laser emission angle according to the calculated included angle gamma and the calculated included angle beta;
S11, placing the embedded sleeve 500 at a position matched with a laser line, adjusting the embedded sleeve 500 to enable laser emitted by the laser 201 to strike the center of a lower end target 505 of the embedded sleeve 500, enabling laser emitted by a laser pen 401 to pass through the center of an upper end target 504 of the lower center sleeve 501 along the middle part of the center sleeve 501 at the upper part of the embedded sleeve 500, and when the laser can strike the centers of the lower end target 505 and the upper end target 504 smoothly, indicating that the embedded sleeve is already arranged at a design position, and fixing the embedded sleeve on the reinforcement cage 600 by using a fixing rod 503;
And S12, repeating the steps S9 to S11, and completing positioning and mounting of the residual embedded sleeve 500.
In step S7, if the steel frame 301 and the limiting block 302 which do not meet the requirements are met, the steel frame should be replaced in time, and the steel frame is fixed by screws after checking and adjusting, so that the components are prevented from shifting.
When the pre-buried sleeve 500 has a deflection angle θ about the X-axis, the end bolt 409 of the semi-spherical end seat 405 is loosened properly, the semi-spherical end seat 405 is rotated along the Y-axis, and the laser pen 401 is rotated along the chute 404 by a proper angle.
The laser emitted by the laser pen 401 most surely passes through the center of the center sleeve 501 and is mapped to the center of the upper end target 504, when the hollow diameter of the passing center sleeve 501 is larger, the positioning accuracy of the embedded sleeve 500 is poor, the laser can be connected to the upper center sleeve 501 through a custom fitting by threads, the hollow diameter of the upper center sleeve 501 is reduced, the laser is ensured to pass through the center shaft of the upper center sleeve 501, and the positioning accuracy of the embedded sleeve 500 is ensured.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Claims (9)
1. Multi-angle positioning device of tunnel segment pre-buried sleeve pipe, its characterized in that includes:
the positioning device frame comprises pedestal, wherein the pedestal is symmetrically arranged, the pedestal is provided with upright posts, the tops of the upright posts are provided with secondary beams connected with the upright posts on the same side and main beams connected with the corresponding upright posts on different pedestal, and a positioning plate is arranged below the main beams and connected with the main beams through hanging pieces;
The multi-directional laser pen is arranged on the lower surface of the positioning plate and used for accurately positioning and emitting multi-angle laser to the embedded sleeve;
the support frames are arc-shaped and are arranged between the two pedestals and used for accommodating prefabricated segment steel bar frameworks, the connecting ends of the support frames and the pedestals can slidably adjust the distance between the different support frames, and the radian of each support frame is determined according to the edge radian of the prefabricated segment steel bar frameworks;
The laser emission device is positioned in the middle of the lower parts of the positioning plate and the support frame and comprises sliding rails arranged on two sides of the symmetry axes of the two pedestals, a support platform is arranged on the sliding rails, a rotating base capable of horizontally and circumferentially rotating is arranged at the center of the support platform, a laser is installed on the rotating base, the emission angle of the laser can be adjusted in a vertical plane, and scales are arranged on the sliding rails;
The upper end target and the lower end target, the upper end target with the lower end target is installed through the internal thread respectively the center sleeve both ends of pre-buried sleeve below, center sleeve is hollow structure and is provided with the internal thread, center sleeve is fixed through the fixed stay structure on the pre-buried sleeve center pin.
2. The multi-angle positioning device for the pre-buried sleeve of the tunnel segment according to claim 1, wherein the pedestal is of a lifting structure.
3. The multi-angle positioning device for the pre-buried sleeve of the tunnel segment according to claim 1, wherein the upright post is provided with a bracket with an adjustable position.
4. The multi-angle positioning device for the pre-buried sleeve of the tunnel segment according to claim 3, wherein the supporting frame is connected with the T-shaped chute and the pedestal through a C-shaped clamping groove.
5. The multi-angle positioning device for the tunnel segment embedded sleeve according to claim 4, wherein the supporting frame comprises a steel frame and limiting blocks, the limiting blocks are provided with limiting grooves, and the limiting blocks are installed at the top of the steel frame through the limiting grooves and are used for limiting the distance between the connected steel frames.
6. The multi-angle positioning device for the pre-buried sleeve of the tunnel segment according to claim 5, wherein the limiting block is provided with a steel bar reserved groove, and the steel bar reserved groove is used for fixing a prefabricated segment steel bar framework.
7. The multi-angle positioning device for the tunnel segment embedded sleeve according to claim 1, wherein the multi-directional laser pen comprises a laser pen, the laser pen is installed at one end of a connecting sleeve, the connecting sleeve is connected with a sliding block, the sliding block is located in a sliding groove of a hemispherical end seat, the sliding block is located in the sliding groove and surrounds the spherical center of the hemispherical end seat in a circular arc sliding manner in a vertical plane, the sliding groove of the hemispherical end seat is provided with a vertical scale groove, the circumference of a base is provided with a horizontal scale groove, and scales are arranged in the vertical scale groove and the horizontal scale groove.
8. The multi-angle positioning device for the pre-buried sleeve of the tunnel segment according to claim 1, wherein holes which are arranged in a staggered mode are formed in the positioning plate.
9. The multi-angle positioning and mounting method for the tunnel segment embedded sleeve is characterized by adopting the multi-angle positioning device for the tunnel segment embedded sleeve according to claim 5, setting the horizontal direction as an X axis, the vertical direction as a Y axis and the depth direction as a Z axis, and specifically comprising the following mounting steps:
s1, installing a positioning device frame, and adjusting a positioning plate to be in a horizontal state through a hanging piece and a bracket;
S2, installing a laser emitting device, ensuring that the whole device is in a horizontal state, adjusting the laser emitting device to the central position of a sliding track along a longitudinal Z axis, and enabling a laser to be positioned on the vertical central line of the whole device;
S3, measuring the vertical distance H between the laser emission point and the positioning plate, and determining the position of the multi-directional laser pen on the positioning plate in a design drawing according to the embedding angle of the embedded sleeve, H and the position of the embedded sleeve on the longitudinal Z axis to obtain an included angle alpha between the two straight lines of the positions of the laser and the multi-directional laser pen on the positioning plate and the vertical central line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment;
s4, adjusting the position of the laser emitting device on the longitudinal sliding track, opening the laser, emitting point laser, determining the actual position of the multi-directional laser pen around the Z-axis deflection included angle alpha, and fixing the multi-directional laser pen on the positioning plate;
S5, repeating the steps S3 and S4, completing the installation of the multi-directional laser pens corresponding to different embedded sleeves, and making marks beside each multi-directional laser pen;
s6, selecting proper steel frames and limiting blocks according to the size of the shield reinforcement cage, and sequentially installing the steel frames between the pedestals by utilizing C-shaped clamping grooves and T-shaped sliding grooves;
s7, turning on a laser to emit line laser, and sequentially checking, adjusting and fixing the longitudinal Z-axis positions of the steel frame and the limiting block by the mobile laser;
S8, producing and manufacturing a reinforcement cage, and reserving an installation space of the embedded sleeve in advance;
S9, determining an included angle gamma between a laser line of the laser pen, which is shot to the upper end target, and a laser line of the laser device, which is shot to the mounting position point of the multidirectional laser pen, and an included angle beta between the laser line of the laser device, which is shot to the lower end target, and the vertical center line of the multi-angle positioning device of the embedded sleeve of the whole tunnel segment according to the design diagram;
s10, adjusting the laser emission angle of the laser pen, the position of the laser and the laser emission angle according to the calculated included angle gamma and the calculated included angle beta;
S11, placing the embedded sleeve at a position matched with a laser line, calibrating the position of the embedded sleeve by utilizing an upper end target and a lower end target which are arranged on a central sleeve of the embedded sleeve and respectively receiving laser emitted by a laser pen and a laser, and fixing the embedded sleeve on a reinforcement cage by utilizing a fixing rod after the position is determined;
and S12, repeating the steps S9 to S11, and finishing positioning and mounting of the residual embedded sleeve.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278641A (en) * | 2014-10-16 | 2015-01-14 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centering device and method |
| CN115506583A (en) * | 2022-10-17 | 2022-12-23 | 中国建筑第八工程局有限公司 | Embedded sleeve installation device in floor slab and embedded sleeve installation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101153523B1 (en) * | 2009-12-31 | 2012-06-11 | 변강익 | The method for manufacturing the brick and panel type block |
| CN218053236U (en) * | 2022-09-28 | 2022-12-16 | 中铁三局集团建筑安装工程有限公司 | Cross sliding type steel bar binding clamping fixture |
| CN115992596A (en) * | 2023-02-27 | 2023-04-21 | 青岛黄海学院 | Method and device for positioning embedded sleeve of multi-layer building bottom plate |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278641A (en) * | 2014-10-16 | 2015-01-14 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centering device and method |
| CN115506583A (en) * | 2022-10-17 | 2022-12-23 | 中国建筑第八工程局有限公司 | Embedded sleeve installation device in floor slab and embedded sleeve installation method |
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