CN211783473U - Electronic laser target device for shield machine attitude detection - Google Patents
Electronic laser target device for shield machine attitude detection Download PDFInfo
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- CN211783473U CN211783473U CN202020701175.6U CN202020701175U CN211783473U CN 211783473 U CN211783473 U CN 211783473U CN 202020701175 U CN202020701175 U CN 202020701175U CN 211783473 U CN211783473 U CN 211783473U
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Abstract
The utility model belongs to the field of tunnel construction equipment, and discloses an electronic laser target device for detecting the attitude of a shield machine, which is arranged on the shield machine and is matched with a total station instrument to measure the attitude parameters of the shield machine so as to calculate and obtain attitude information; the device comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield tunneling machine; the fixed component comprises a straight pull piece and a fixed rod, the fixed rod and the straight pull piece are fixed outside the laser target component and extend upwards and are connected, and the connecting position extends upwards and is connected with the shield tunneling machine. The utility model discloses a fixed subassembly design of the suspension type that is equipped with to provide comparatively stable fixed effect, can be suitable for different installation environment simultaneously, and the dismouting of being convenient for carries, can carry out rapid Assembly in narrow and small space.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction, concretely relates to electron laser target device for shield constructs quick-witted gesture detection.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a method in which a tunnel is constructed while a heading machine is heading (referred to as a supporting segment), and is different from an open construction method. Shield machines are generally classified into hand-tunneling type shields, extrusion type shields, semi-mechanical type shields, and mechanical type shields according to the working principle.
The basic working principle of the shield tunneling machine is that a cylindrical steel component is pushed forwards along the axis of the tunnel to excavate soil. The casing of the cylinder assembly, the shield, acts as a temporary support for the excavated, not yet lined tunnel section, bearing the pressure of the surrounding soil layers and sometimes also the groundwater pressure and the water that is trapped outside. The operations of digging, dumping, lining and the like are carried out under the shield of the shield.
The attitude control of the shield machine in the shield tunnel construction comprises machine body rolling control and advancing direction control, and in the process of entering, the shield machine operator adjusts the attitude of the shield machine by reasonably selecting jacks of each partition, cutter head steering and the like according to data displayed on a computer screen by a laser automatic guiding system. In the attitude control operation of the shield tunneling machine, the body roll angle value is appropriate, the shield tunneling machine roll angle value is too large, the shield tunneling machine cannot keep a correct attitude, the splicing quality of the segments is influenced, and at the moment, the roll angle value can be reduced through the reversing cutter head.
If the advancing direction of the shield tunneling machine deviates to the right horizontally, the thrust of the right jack partition needs to be improved; otherwise, the thrust of the left jack partition needs to be increased. If the shield machine head deflects downwards, the thrust of the lower jack partition needs to be improved: and vice versa.
An electronic laser target and a measuring device thereof with the patent number of CN201210220113.3 mainly disclose a device and a method for measuring the body posture of a shield machine through the laser target, wherein the adopted equipment is simpler, and the detection efficiency is higher compared with the prior art. However, the structure is only briefly described in the patent, and the specific fixing manner and the setting manner are not disclosed, because the fixing manner affects the measurement accuracy, and the specific setting manner and the internal structure affect the specific measurement process due to the difference of the internal structure of the shield machine.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides an electron laser target device for shield constructs quick-witted gesture detection.
The utility model discloses the technical scheme who adopts does:
an electronic laser target device for detecting the attitude of a shield machine is arranged on the shield machine and is matched with a total station to measure the attitude parameters of the shield machine so as to calculate and obtain attitude information; the device comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield tunneling machine;
the fixing assembly comprises a straight pulling piece, and one end of the straight pulling piece is fixed on the surface of the laser target assembly through a claw seat arranged on the straight pulling piece.
The utility model discloses in provide a laser target device, through with the cooperation of total powerstation to can obtain comparatively accurate shield structure quick-witted attitude information fast. The laser target assembly is fixed on the shield machine, is generally arranged at the shield or the shield tail in the rear part of the shield machine head, and is fixedly connected with the shield machine in a hanging or landing fixing mode.
Because the shield machine is slower in tunneling speed, generally 1-100 mm/min, the fixed laser target device cannot generate violent swinging or relative displacement. However, the shield machine can generate large vibration during operation, and the vibration is transmitted to the laser target mechanism, so that components in the laser target are shaken, and the measurement precision is affected.
It is worth mentioning that the laser target assembly and the total station need to be used in a matched manner, laser emitted by the total station is emitted into the laser target assembly, and the control module in the laser target assembly sums and calculates the attitude angle of the directly output laser target, so that the measuring efficiency is high.
Furthermore, the straight pull piece is a rigid connecting rod piece, and the cross section of the straight pull piece cut perpendicular to the length direction is in a cross shape;
the claw seat is provided with a connecting claw with a cross-shaped opening, and the connecting claw is provided with a plurality of through holes;
one end of the straight pull piece is inserted into the connecting claw and fixed through a bolt.
Furthermore, the fixing assembly comprises a straight pulling piece and a fixing rod, and the fixing rod and the straight pulling piece are both fixed outside the laser target assembly and extend upwards and are connected;
the straight pulling piece is a rigid connecting rod piece, a hanging piece used for connecting a fixed rod is arranged on the straight pulling piece, and a clamping piece matched with the hanging piece is arranged at the end part of the fixed rod;
a hollow groove is formed in the hanging piece, a rotating shaft is arranged in the hollow groove, and the clamping piece is sleeved on the rotating shaft;
the outer part of the laser target assembly is provided with a hook, and the end part of the fixed rod, which is far away from the clamping piece, is hinged with the hook.
Further, the fixing rod is of a rigid rod structure, and the clamping piece can rotate to tighten the fixing rod.
Furthermore, at least two hollow-out grooves are formed in the hanging piece, and the hanging piece is hinged to a group of fixing rods arranged in opposite directions in the adjacent hollow-out grooves.
Further, the laser target assembly comprises a shell and a measuring assembly arranged in the shell;
an opening is formed in one end of the shell, and a light-transmitting plate is arranged on the opening;
during measurement, laser emitted by the total station aims at the light-transmitting plate of the shell to measure.
Furthermore, a clamping groove is formed in the inner side wall, close to the opening, of the shell, and the bottom of the light-transmitting plate is obliquely inserted into the clamping groove and abuts against the inner bottom surface of the clamping groove to rotate towards the opening;
when the light-transmitting plate covers the opening, the light-transmitting plate is limited on the opening through a stop block detachably connected with the shell.
Further, still be equipped with the slide rail in the casing, still include a plurality of sliders that can follow the slide rail and slide and adjust relative position, be equipped with camera subassembly or formation of image board on the slider.
Further, the camera assembly comprises a first camera assembly and a second camera assembly, and a dimming screen is arranged in the shell;
the first camera assembly shoots light spot information on the imaging plate;
the second camera component shoots light spot information on the dimming screen;
and the light spot information is processed and fed back to the outside through a data processing module arranged in the shell.
Further, the light-adjusting screen is attached to the inner side of the light-transmitting plate; the dimming screen is switched into a transparent state when being powered on and is switched into an opaque state when being powered off;
the imaging plate is arranged at the bottom in the shell.
The specific measurement principle is as follows:
the principle of measuring the position of the heading machine is as follows: a local coordinate system of the laser target assembly is defined, namely a left-hand coordinate system which takes the center of a light-transmitting plate of the laser target assembly as a coordinate origin and takes a connecting line between the center of the light-transmitting plate and the center of an imaging plate as an X axis.
And measuring the construction three-dimensional coordinate of the reflecting prism in the laser target assembly by using the total station, and transmitting the construction three-dimensional coordinate measured by the reflecting prism to the controller. The total station emits a laser beam to the laser target assembly, and measures a horizontal angle and a vertical angle of the laser beam incident to the laser target assembly according to the rear viewpoint provided by the second prism.
The laser target assembly inputs the obtained horizontal angle and vertical angle at which the laser beam is incident to the laser target assembly to the controller. And the controller performs coordinate conversion according to the three-dimensional coordinates of the reflecting prism in the laser target assembly and the horizontal angle and the vertical angle of the laser beam emitted into the laser target assembly so as to obtain the geodetic coordinates of the laser target assembly. The laser beam emitted from the total station at any angle is emitted into the laser target assembly, so that the laser beam can form light spots on the light adjusting screen and the imaging plate respectively, the first camera assembly shoots the light spots formed on the light adjusting screen and the imaging plate shot by the second camera assembly and transmits the information of the light spots to the controller, and then the controller calculates the construction three-dimensional coordinate of the electronic laser target and further calculates the horizontal azimuth angle of the laser target assembly.
And the controller determines the spatial position of the laser target assembly according to the construction coordinates of the laser target assembly and the horizontal azimuth angle of the laser target assembly. The measured rotation angle and pitch angle of the laser target assembly relative to the level surface are transmitted to the controller by the double-shaft angle sensor, and the attitude angle of the laser target assembly is calculated by the controller.
And calculating the construction three-dimensional coordinate of the tunneling machine by the controller according to the horizontal azimuth angle of the laser target assembly and the attitude angle of the laser target assembly, and finally calculating to obtain the space position attitude of the shield tunneling machine on the designed line.
The utility model has the advantages that:
(1) the utility model provides a stable fixing effect through the design of the suspended fixing component, is suitable for different installation environments, is convenient to disassemble, assemble and carry, and can be quickly assembled in a narrow space;
the utility model discloses a controller control switch on or the outage of setting in the casing for the screen printing opacity of adjusting luminance or light-tight, external disturbance light source influences laser when effectively reducing the measurement, ensures simultaneously that the total powerstation can accurate measurement to the reflecting prism in the casing of laser target subassembly, has effectively reduced the probability of discernment target failure, has promoted system operation stability.
Drawings
FIG. 1 is a schematic view of the present invention integrally installed inside a shield machine for inspection;
FIG. 2 is a schematic cross-sectional view of the housing with the first camera assembly and the second camera assembly installed;
FIG. 3 is a schematic structural view of the laser target assembly of the present invention with the straight members disposed at the four corners of the top;
FIG. 4 is a schematic structural view of the laser target assembly of the present invention with two straight-pulling members at the top;
fig. 5 is a schematic view a of the internal structure of the laser target assembly according to embodiment 1 of the present invention after the casing is cut;
fig. 6 is a schematic view B of the internal structure of the laser target assembly according to embodiment 1 of the present invention after the casing is cut;
FIG. 7 is an overall view of the cross-shaped straight pulling member structure of the present invention;
fig. 8 is an enlarged partial view of B in fig. 7 according to the present invention;
fig. 9 is a partially enlarged schematic view of C in fig. 7 according to the present invention.
In the figure: 1-straight pull piece, 6-shell, 7-light-transmitting plate, 8-clamping groove, 9-light-adjusting screen, 10-sliding rail, 11-sliding block, 12-adjusting rod, 13-dovetail groove, 14-platform, 15-total station, 16-reflecting prism, 17-second prism, 18-controller, 19-wireless transceiver module and 20-stop block; 21-claw seat, 22-connecting claw.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
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 present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1:
the shield machine is a large tunnel construction device, slowly tunnels through a strong rotation cutting effect, and wastes are transmitted outwards by a transmission device connected behind, so that the tunneling is continuously and stably carried out. When the existing shield machine tunnels underground, due to the lack of visual reference objects, the posture of the shield machine needs to be detected in real time, and the condition that the tunneling direction is consistent with the designed path is ensured. The attitude is a parameter including a plurality of parameters based on three-dimensional coordinates, and the parameters can be summarized and calculated by the electronic equipment to obtain the spatial position and the motion direction of the shield machine. The existing measuring modes and measuring devices are more, but have more or less partial problems.
Specifically, the embodiment discloses an electronic laser target device for detecting the posture of a shield machine, which comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield machine;
the fixing assembly comprises a straight pulling piece, and one end of the straight pulling piece is fixed on the surface of the laser target assembly through a claw seat arranged on the straight pulling piece.
As shown in fig. 1-9, the straight pull piece is a rigid connecting rod piece, and the cross section of the straight pull piece cut perpendicular to the length direction is in a cross shape; the claw seat is provided with a connecting claw with a cross-shaped opening, and the connecting claw is provided with a plurality of through holes; one end of the straight pull piece is inserted into the connecting claw and fixed through a bolt.
Example 2:
the embodiment discloses an electronic laser target device for detecting the posture of a shield machine, which comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield machine; the fixing assembly comprises a straight pull piece 1 and a fixing rod, the fixing rod and the straight pull piece 1 are fixed outside the laser target assembly and extend upwards and are connected, and the connecting position extends upwards and is connected with the shield tunneling machine.
Install dedicated hanging flower basket structure on shield structure machine for with directly drawing the extension structure that piece and dead lever and laser target subassembly link to each other, can adjust the relative position of whole laser target subassembly through the hanging flower basket structure that is equipped with, thereby be convenient for keep better communication with the total powerstation, and be convenient for measure.
Example 3:
the embodiment discloses an electronic laser target device for detecting the posture of a shield machine, which comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield machine; the fixing assembly comprises a straight pull piece 1 and a fixing rod, the fixing rod and the straight pull piece 1 are fixed outside the laser target assembly and extend upwards and are connected, and the connecting position extends upwards and is connected with the shield tunneling machine.
The laser target device provided in the embodiment is matched with the total station 1, so that the posture information of the shield machine can be quickly obtained accurately. The laser target assembly is fixed on the shield machine, generally arranged at the middle shield or the rear part of the shield machine, and is fixedly connected with the shield machine in a suspension or landing fixing mode.
The embodiment also provides a detachable connecting mechanism, and the laser target assembly can be connected with the shield tunneling machine through the detachable connecting mechanism. The straight pulling piece 1 is a main bearing structure, and the fixing rod assists the straight pulling piece 1 to laterally tension the whole laser target assembly, so that a better technical effect is achieved.
It is worth mentioning that the laser target assembly and the total station 1 need to be used in a matching manner, laser emitted by the total station 1 is emitted into the laser target assembly, and the control module in the laser target assembly sums and calculates the attitude angle of the directly output laser target, so that the measuring efficiency is high.
The straight pull piece 1 is a rigid connecting rod piece, a hanging piece used for connecting a fixed rod is arranged on the straight pull piece 1, and a clamping piece matched with the hanging piece is arranged at the end part of the fixed rod.
A hollow groove is formed in the hanging piece, a rotating shaft is arranged in the hollow groove, and the clamping piece is sleeved on the rotating shaft; the laser target assembly is externally provided with a hook, and the end part of the fixed rod, which is far away from the clamping piece, is hooked on the hook.
The fixing rod is of a rigid rod structure, the clamping piece can rotate to tighten the fixing rod, and the hanging piece is provided with at least two hollow grooves which are hinged with a group of fixing rods arranged in opposite directions in adjacent hollow grooves.
One end of the straight pull piece 1 is connected with the shield machine, the other end of the straight pull piece is directly connected with the outer wall of the laser target assembly, and a rigid connection rod piece structure is adopted, so that the error caused by relative twisting between the laser target assembly in a suspension state and the shield machine can be avoided. Simultaneously, in order to improve the stability, at least two fixing rods are pulled out from the hanging piece arranged on the straight pull piece 1 and extend towards two opposite directions respectively and are connected with the hooks on two sides.
In the implementation, the laser target assembly is vertically mounted inside the shield tunneling machine. The bottom of the straight pull piece 1 is provided with an expansion end, two sinking grooves are formed in the outer portion of the laser target assembly, the sinking grooves are formed in the center line of the top of the laser target assembly, and the expansion end of the bottom of the straight pull piece 1 directly penetrates into the sinking grooves and is fixed through bolts. The top end of the straight pull piece 1 is not shown in the figure, and various fixing modes can be adopted in order to deal with different internal structures of the shield tunneling machine.
The straight pull piece 1 is provided with a hanging piece at a position close to the middle part, the hanging piece is of a flat plate-shaped structure, and a conical transition structure is arranged between the hanging piece and the straight pull pieces 1 at the two sides. The hanging piece is provided with two symmetrical hollow grooves, the clamping piece of the fixing rod is sleeved on the rotating shaft in the hollow grooves, the clamping piece in the embodiment is of a circular ring structure, and one side of the circular ring protrudes outwards to form a protruding portion used for being connected with the fixing rod. The clamping piece can rotate on the rotating shaft, so that the hook is adjusted to adapt to angles at different positions.
The fixing rod in the embodiment is a light stainless steel pipe, one end of the fixing rod is provided with an end head with external threads, the clamping piece is provided with a rotating ring with internal threads, and after the fixing rod with the end head is inserted into the clamping piece, the fixing rod can be prevented from falling out or continuing to move inwards through rotating the rotating ring.
During installation, the clamping piece is installed in the hollow groove, and the hook is arranged at the position corresponding to the clamping piece on the outer surface of the laser target assembly. Then fix the one end of dead lever in the fastener earlier, then fix the other end of dead lever on the couple, make the dead lever and adjust the swivel and carry out length control after fixing.
Because the straight piece 1 that draws plays main fixed effect, and the dead lever of both sides can assist and provide better stable effect, but the comparatively simple weight of whole fixed subassembly structure is comparatively light, convenient to detach transportation.
Example 4:
the present embodiment is optimized and defined based on the above embodiment 1 or embodiment 2, and the laser target assembly includes a housing 6 and a measuring assembly disposed in the housing 6; an opening is formed in one end of the shell 6, and a light-transmitting plate 7 is arranged on the opening; during detection, the transmitting end of the total station 15 is aligned to the light-transmitting plate 7 of the shell 6 for detection.
A clamping groove 8 is formed in the inner side wall, close to the opening, of the shell 6, and the bottom of the light-transmitting plate 7 is obliquely inserted into the clamping groove 8 and abuts against the inner bottom surface of the clamping groove 8 to rotate towards the opening;
the light-transmitting plate 7 is restrained on the opening by a stop 20 detachably connected to the housing 6 when the light-transmitting plate 7 is covered on the opening.
In this embodiment, in order to avoid the interference of the external light to the internal detection process, the whole casing 6 structure is provided with only one opening, i.e., one side of the transparent plate 7. Then, the internal devices are installed in the side opening, and in order to quickly disassemble and assemble the light-transmitting plate 7, an upper groove and a lower groove are formed in the inner wall of the opening.
The bottom surface is a clamping groove 8, and as can be seen from fig. 5 and 6, the cross section of the clamping groove 8 is of a similar inverted cone-shaped structure, and the width of the opening of the clamping groove is larger, so that the light-transmitting plate 7 can be conveniently inserted. The inner bottom surface of the clamping groove 8 is arc-shaped, the bottom surface of the light-transmitting plate 7 is also an arc-shaped surface matched with the clamping groove, and the clamping groove 8 is positioned on the inner side of the opening, so that the bottom of the light-transmitting plate 7 needs to be obliquely inserted into the clamping groove 8 during installation. Then, the light-transmitting plate 7 is rotated to enable the upper surface to abut against the end surface of the groove structure at the upper part, and the whole light-transmitting plate 7 is in a vertical state at the moment. The light-transmitting plate 7 is fixed by providing a stopper 20 for restricting the rotation of the light-transmitting plate 7 at the upper portion.
As can be seen in fig. 5, the stop 20 is a strip-like structure dug out on the inner wall of the opening of the housing 6, and is fixed on the inner wall of the housing 6 by bolts, and the whole inner wall surface is relatively flat after installation.
Still be equipped with slide rail 10 in the casing 6, still include a plurality of sliders 11 that can slide along slide rail 10 and adjust relative position, be equipped with camera subassembly or imaging plate on the slider 11. The camera assembly comprises a first camera assembly and a second camera assembly, and a dimming screen 9 is arranged in the shell 6; the first camera component shoots light spot information on the imaging plate; the second camera component shoots light spot information on the light adjusting screen 9; the light spot information is processed and fed back to the outside through a data processing module arranged in the shell 6.
The light adjusting screen 9 is attached to the inner side of the light transmitting plate 7; the imaging plate is arranged at the bottom in the housing 6.
In this embodiment, an adjusting rod 12 with a length direction perpendicular to the slide rail 10 is arranged on the slide block 11, and a plurality of dovetail grooves 13 are arranged on the adjusting rod 12 along an axis;
the adjusting rod 12 is sleeved with a platform 14 capable of sliding along the adjusting rod 12, the platform 14 is provided with at least one convex strip matched with the dovetail groove 13 in a clamping mode, and the platform 14 is rotated and adjusted to a proper angle and then inserted into the adjusting rod 12 from one side, so that the effect of adjusting the angle of the platform 14 is achieved.
The platform 14 is provided with a plurality of holes for installing different functional devices. In this embodiment, a light adjusting plate, a second camera assembly, a first camera assembly and an imaging plate are sequentially arranged in the light-transmitting plate 7, wherein the imaging plate, the second camera assembly and the first camera assembly are all fixed on the platform 14, and transverse and overall longitudinal position adjustment can be performed through the sliding block 11 and the adjusting rod 12, so that the light adjusting plate has better adaptability compared with a fixed structure.
Meanwhile, the first camera component and the second camera component can achieve the effect of angle adjustment according to the relative rotation between the platform 14 and the adjusting rod 12, when the camera is used, the first camera component or the second camera component is fixed on the platform 14 through a bolt, then the platform 14 is inserted into the adjusting rod 12 after being adjusted to the optimal angle, and the first camera component and the second camera component are fixed after the platform 14 is moved to the installation position through the bolt or other limiting mechanisms.
As can be seen in fig. 5 and 6, the sliding block 11 is provided with a dovetail groove 13 matched with the sliding rail 10, the bottom of the dovetail groove 13 is recessed inwards to form a separate groove structure, and a limit block is arranged in the groove structure. The limiting block is provided with an adjusting bolt, the adjusting bolt penetrates out from the plane of one side, far away from the dovetail groove 13, of the sliding block 11, and the sliding block 11 is positioned on the sliding rail 10 by rotating the adjusting bolt.
It is worth to say that the laser target assembly is a closed box structure, and the shell 6 is composed of a bottom plate, a left side plate, a right side plate, a rear plate, a front plate and a cover plate; the front plate is provided with a light adjusting screen 9 and a light transmitting plate 7 for protection.
In this embodiment, the front plate is made of a light-adjustable material, and the laser beam can pass through the light-adjusting screen 9 and form a light spot on the imaging plate; a reflecting prism 16, a second camera component, a double-shaft angle sensor, a first camera component and an imaging plate are respectively arranged in the laser target from front to back; and the front light-adjusting screen 9 and the imaging plate are parallel; the light-transmitting plate 7, the light-adjusting screen 9, the first prism, the double-axis angle sensor and the imaging plate are sequentially arranged along a longitudinal axis, and the imaging system comprises a first camera component and a second camera component; a first camera in the imaging system is used for shooting light spots when laser beams pass through the light adjusting screen 9, and a second camera is used for shooting light spots formed by the laser beams on the imaging plate. The double-shaft angle sensor measures the rotation angle and the pitch angle of the electronic laser target relative to the shield tunneling machine.
And the total station 15 is arranged between the laser target assembly and the second prism 17, and the total station 15 and the controller 18 are each separately provided with a wireless transceiver module 19 for transceiving information.
The total station 15 is used for measuring the construction three-dimensional coordinates of the reflecting prism 16; emitting laser beams to measure the horizontal angle and the vertical angle of the electronic laser target; the total station 15 is connected and communicated with the controller 18 through a radio station, and transmits a horizontal angle and a vertical angle measured by the total station 15 and the construction three-dimensional coordinate of the first prism to the controller 18; the first camera assembly, the second camera assembly and the double-shaft angle sensor in the imaging system transmit images and data to the controller 18 through cables, and the controller 18 performs summary calculation on the acquired data to obtain the attitude information of the shield tunneling machine.
The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.
Claims (10)
1. An electronic laser target device for detecting the attitude of a shield machine is arranged on the shield machine and is matched with a total station to measure the attitude parameters of the shield machine so as to calculate and obtain attitude information; the method is characterized in that: the device comprises a laser target assembly and a fixing assembly, wherein the fixing assembly fixes the laser target assembly on the shield tunneling machine;
the fixing assembly comprises a straight pull piece (1), and one end of the straight pull piece (1) is fixed on the surface of the laser target assembly through a claw seat (21) arranged on the straight pull piece.
2. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 1, wherein: the straight pulling piece (1) is a rigid connecting rod piece, and the cross section of the straight pulling piece cut perpendicular to the length direction is in a cross shape;
the claw seat (21) is provided with a cross-shaped open connecting claw (22), and the connecting claw (22) is provided with a plurality of through holes;
one end of the straight pull piece (1) is inserted into the connecting claw (22) and fixed through a bolt.
3. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 1, wherein: the fixing assembly comprises a straight pulling piece (1) and a fixing rod, and the fixing rod and the straight pulling piece (1) are fixed outside the laser target assembly, extend upwards and are connected;
the straight pull piece (1) is a rigid connecting rod piece, a hanging piece used for connecting a fixed rod is arranged on the straight pull piece (1), and a clamping piece matched with the hanging piece is arranged at the end part of the fixed rod;
a hollow groove (3.1) is formed in the hanging piece, a rotating shaft (3.2) is arranged in the hollow groove (3.1), and the clamping piece is sleeved on the rotating shaft (3.2);
the outer part of the laser target assembly is provided with a hook, and the end part of the fixed rod, which is far away from the clamping piece, is hinged with the hook.
4. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 3, wherein: the fixed rod is of a rigid rod structure, and the clamping piece can rotate to tighten the fixed rod.
5. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 3, wherein: the hanging piece is provided with at least two hollow-out grooves (3.1) and is hinged with a group of fixed rods arranged in opposite directions in the adjacent hollow-out grooves (3.1).
6. The electronic laser target device for detecting the attitude of the shield tunneling machine according to any one of claims 1 to 5, wherein: the laser target assembly comprises a shell (6) and a measuring assembly arranged in the shell (6);
an opening is formed in one end of the shell (6), and a light-transmitting plate (7) is arranged on the opening;
during measurement, laser emitted by the total station aims at a light-transmitting plate (7) of the shell (6) to carry out measurement.
7. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 6, wherein: a clamping groove (8) is formed in the inner side wall, close to the opening, of the shell (6), and the bottom of the light-transmitting plate (7) is obliquely inserted into the clamping groove (8) and is abutted against the inner bottom surface of the clamping groove (8) to rotate towards the opening;
when the light-transmitting plate (7) covers the opening, the light-transmitting plate (7) is limited on the opening through a stop block (20) detachably connected with the shell (6).
8. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 6, wherein: still be equipped with slide rail (10) in casing (6), still include a plurality of sliders (11) that can follow slide rail (10) slide adjusting relative position, be equipped with camera subassembly or formation of image board on slider (11).
9. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 8, wherein: the camera assembly comprises a first camera assembly and a second camera assembly, and a dimming screen (9) is arranged in the shell (6);
the first camera assembly shoots light spot information on the imaging plate;
the second camera component shoots light spot information on the dimming screen (9);
the spot information is processed and fed back to the outside through a data processing module arranged in the shell (6).
10. The electronic laser target device for detecting the attitude of the shield tunneling machine according to claim 9, wherein: the light-adjusting screen (9) is attached to the inner side of the light-transmitting plate (7); the dimming screen (9) is switched into a transparent state when being electrified and is switched into an opaque state when being powered off; the imaging plate is arranged at the bottom in the shell (6).
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| CN202020701175.6U CN211783473U (en) | 2020-04-30 | 2020-04-30 | Electronic laser target device for shield machine attitude detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431610A (en) * | 2020-12-17 | 2021-03-02 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
| CN112525175A (en) * | 2020-12-21 | 2021-03-19 | 辽宁工程技术大学 | Cross laser emitting device capable of being automatically adjusted and calibrated in roadway |
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2020
- 2020-04-30 CN CN202020701175.6U patent/CN211783473U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431610A (en) * | 2020-12-17 | 2021-03-02 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
| CN112431610B (en) * | 2020-12-17 | 2022-09-06 | 华侨大学 | Mounting structure and mounting method of shield tunnel auxiliary equipment |
| CN112525175A (en) * | 2020-12-21 | 2021-03-19 | 辽宁工程技术大学 | Cross laser emitting device capable of being automatically adjusted and calibrated in roadway |
| CN112525175B (en) * | 2020-12-21 | 2022-05-31 | 辽宁工程技术大学 | Cross laser emitting device capable of being automatically adjusted and calibrated in roadway |
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