CN113804155A - Tunnel deformation intelligent monitoring equipment and installation and arrangement method - Google Patents
Tunnel deformation intelligent monitoring equipment and installation and arrangement method Download PDFInfo
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- CN113804155A CN113804155A CN202111016507.2A CN202111016507A CN113804155A CN 113804155 A CN113804155 A CN 113804155A CN 202111016507 A CN202111016507 A CN 202111016507A CN 113804155 A CN113804155 A CN 113804155A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses tunnel deformation intelligent monitoring equipment and an installation and arrangement method, wherein the tunnel deformation intelligent monitoring equipment comprises a settlement measuring unit, a static level gauge, a settlement measuring module, an active transparent transmission module, a convergence measuring unit and a laser trigger, wherein the top of the convergence measuring unit is provided with a convergence unit main body, two sides of one end of the front surface of the convergence unit main body are provided with sliding grooves, the tops and the bottoms of the two groups of sliding grooves are respectively provided with an accommodating groove, and two sides of the positions, far away from each other, of the two groups of accommodating grooves are respectively provided with a first spring; according to the invention, through the mutual matching of the convergence unit main body, the sliding groove, the gear, the arc sliding groove, the arc rack, the rotating ring, the arc frame, the baffle, the supporting block and the supporting rod, the lens of the convergence unit main body can be effectively shielded when the convergence unit main body is limited, cement paste can be prevented from being attached to the lens, the lens can be kept to be finished and cleaned, and meanwhile, the measured data is more accurate.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to intelligent monitoring equipment for tunnel deformation and an installation and arrangement method.
Background
The system can continuously add or move the measuring unit, and automatically complete vault and clearance change measurement and data analysis, early warning and reporting in the tunnel construction process. And the method is also suitable for monitoring the deformation of the tunnel in operation.
The current detection equipment has certain defects;
1. when the existing convergence measuring unit is used for measuring, due to the special working environment, cement paste is easily attached to the surface of the convergence measuring unit, and a lens is easily shielded, so that the measurement cannot be carried out and the measurement cannot be accurate;
2. meanwhile, when the trigger is connected with the laser trigger through the lead, because the site is messy during site construction, and constructors walk at will and easily trip the lead, the connection between the lead and the equipment is loosened or even falls off, and the transmission of data is interrupted or inaccurate,
disclosure of Invention
The invention aims to provide tunnel deformation intelligent monitoring equipment and an installation and arrangement method, which aim to solve the problem that the lens cannot be protected in the background technology; meanwhile, the fixing effect on the lead is lacked, and the problem about connection and falling between the lead and equipment is easily caused.
In order to achieve the purpose, the invention provides the following technical scheme: the tunnel deformation intelligent monitoring equipment comprises a settlement measuring unit, a static level gauge, a settlement measuring module, an active transparent transmission module, a convergence measuring unit and a laser trigger, wherein a convergence unit main body is arranged at the top of the convergence measuring unit, sliding grooves are formed in two sides of the front end of the convergence unit main body, two groups of accommodating grooves are formed in the top and the bottom of the inside of the sliding grooves, first springs are arranged on two sides of the positions, far away from each other, of the inside of the accommodating grooves, isolation plates are arranged at the positions, close to each other, of the first springs, sliding blocks are arranged inside the sliding grooves in a sliding manner, baffles are arranged at one ends of the front surfaces of the two groups of sliding blocks, a convex rod is arranged on one side, far away from each other, a servo motor is arranged at the middle position of the top of the convergence unit main body, a gear is arranged at the output end of the servo motor, and two groups of supporting blocks are arranged at the middle positions of the top and the bottom of the convergence unit main body, four group the back one end of supporting shoe all is provided with the bracing piece, four groups the outside cover of bracing piece is equipped with the change, the top and the bottom of the positive one end of change all are provided with the arc spout, and are two sets of the both sides of change all are provided with the arc frame, the top of change is provided with the arc rack, the bottom of laser trigger is provided with the anti-drop subassembly.
Preferably, the anti-drop subassembly includes socket, draw-in groove, fixed block, hinge bar, the lantern ring, dead lever, plug, fixed slot and second spring, the socket is located laser trigger's bottom, the both sides of socket all are provided with the draw-in groove, the inside cover of socket is equipped with the plug, the top of plug both sides articulates there is the hinge bar, and is two sets of the hinge bar is close to the top of one side each other and all is provided with the fixed block, the top of the positive one end of plug is provided with the fixed slot, the outside cover of plug is equipped with the lantern ring, the positive one end of the lantern ring slides and is provided with the dead lever, the outside cover of dead lever is equipped with the second spring.
Preferably, the arc-shaped rack and the gear are positioned on the same vertical plane, and the arc-shaped rack and the gear are meshed with each other.
Preferably, one end of the front surface of the convex rod penetrates through the inside of the arc-shaped frame, and the convex rod and the arc-shaped frame are matched in a sliding mode.
Preferably, one end of the back of the support rod extends into the arc-shaped sliding groove.
Preferably, the top of plug both sides is provided with the recess, articulated pole and recess are articulated each other.
Preferably, the side of the sliding block close to the isolation plate is arranged obliquely.
Preferably, the supporting blocks are L-shaped, and the swivel is located inside the four groups of supporting blocks.
Preferably, a pan/tilt head is disposed at the bottom of the convergence unit body.
The installation and arrangement method of the intelligent monitoring equipment for tunnel deformation comprises the following use steps:
the method comprises the following steps: after the equipment is installed, when the tunnel needs to be measured, the signal transmission is carried out on the convergence unit main body through the laser trigger, the servo motor is started, the servo motor works to drive the gear to rotate, the gear drives the arc-shaped rack meshed with the gear to rotate, and the arc-shaped rack drives the rotating ring to rotate, so that the arc-shaped sliding groove slides on the outer side of the supporting rod;
step two: when the rotating ring rotates, the two groups of arc-shaped frames can be driven to rotate at the same time, and because the arc-shaped frames are arc-shaped, the arc-shaped edges of the arc-shaped frames can push the two groups of convex rods to be away from each other, and the convex rods slide in the arc-shaped frames, so that the convex rods drive the two groups of baffles to slide in the sliding grooves to be away from each other through the sliding blocks, and the lens is exposed;
step three: when the sliding block slides, the bevel edge of the sliding block and the bevel edge of the isolation plate slide mutually, so that the isolation plate is pushed to move towards the inside of the accommodating groove, and the two groups of isolation plates are opened mutually;
step four: when being connected between wire and the laser trigger, when inserting the plug to the inside of socket, continue to promote the lantern ring, the lantern ring then promotes the hinge bar and rotates round the articulated shaft, drives two sets of fixed blocks and removes to the inside of draw-in groove in the rotation, when the lantern ring drives the dead lever and removes to fixed slot department, with the dead lever spring in to the inside of fixed slot accomplish the fixed of the lantern ring under the effect of second spring to carry on spacingly to two sets of hinge bars.
Compared with the prior art, the invention provides intelligent monitoring equipment for tunnel deformation, which has the following beneficial effects:
1. according to the invention, through the mutual matching of the convergence unit main body, the sliding groove, the gear, the arc sliding groove, the arc rack, the rotating ring, the arc frame, the baffle, the supporting block and the supporting rod, the lens of the convergence unit main body can be effectively shielded when the convergence unit main body is limited, cement paste can be prevented from being attached to the lens, the lens can be kept to be finished and cleaned, and meanwhile, the measured data is more accurate.
2. According to the invention, through the mutual matching of the anti-falling assemblies, when the lead and the laser trigger are connected, the lead and the laser trigger can be automatically fixed, so that the lead and the laser trigger can be effectively prevented from falling off, the stability of data in transmission is improved, and unnecessary troubles are reduced.
Drawings
FIG. 1 is a schematic view of a detection apparatus of the present invention;
FIG. 2 is a front view of a convergence measuring unit of the present invention;
FIG. 3 is a front cross-sectional view of a convergence measuring unit of the present invention;
FIG. 4 is a perspective view of the support block of the present invention;
FIG. 5 is a front cross-sectional view of a laser trigger of the present invention;
FIG. 6 is a top view of FIG. 5 of the present invention;
fig. 7 is a front cross-sectional view of a collar of the present invention.
In the figure: 1. a settlement measuring unit; 2. a hydrostatic level; 3. a settlement measuring module; 4. an active transparent transmission module; 5. a convergence measuring unit; 51. a convergence unit main body; 52. a chute; 53. a gear; 54. an arc-shaped chute; 55. an arc-shaped rack; 56. rotating the ring; 57. an arc frame; 58. a baffle plate; 59. a support block; 510. a nose bar; 511. a servo motor; 512. a receiving groove; 513. an insulating panel; 514. a slider; 515. a first spring; 516. a support bar; 6. an anti-drop assembly; 61. a socket; 62. a card slot; 63. a fixed block; 64. a hinged lever; 65. a collar; 66. fixing the rod; 67. a plug; 68. fixing grooves; 69. a second spring; 7. a laser trigger.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: the tunnel deformation intelligent monitoring device comprises a settlement measuring unit 1 capable of measuring vault settlement and horizontal convergence, data is transmitted to an acquisition and control station through an active transparent transmission module and can also receive a control command issued by the acquisition and control station, a static level 2 is used for measuring vertical displacement of each measuring point and settlement change of the vault, the settlement measuring module 3 and the active transparent transmission module 4 are mainly used for wireless data transmission between the settlement unit and the control station and supplying power to the settlement unit, a convergence measuring unit 5 is used for measuring the convergence change, a laser trigger 7 is arranged on the top of the convergence measuring unit 5, a convergence unit main body 51 is arranged on the top of the convergence measuring unit 5, sliding grooves 52 are arranged on two sides of one end of the front face of the convergence unit main body 51, accommodating grooves 512 are arranged on the top and the bottom inside the two groups of sliding grooves 52, first springs 515 are arranged on two sides of positions, which are far away from each other inside the two groups of accommodating grooves 512, and isolation plates 513 are arranged on two groups of the first springs 515 close to each other, the inside of spout 52 all slides and is provided with slider 514, the positive one end of two sets of sliders 514 all is provided with baffle 58, the one side that two sets of baffles 58 kept away from each other is provided with nose bar 510, convergence unit main part 51 top intermediate position department is provided with servo motor 511, servo motor 511's output is provided with gear 53, convergence unit main part 51 top and bottom intermediate position department all is provided with two sets of supporting shoe 59, four sets of supporting shoe 59's back one end all is provided with bracing piece 516, the outside cover of four sets of bracing piece 516 is equipped with swivel 56, swivel 56 front one end's top and bottom all are provided with arc spout 54, two sets of swivel 56's both sides all are provided with arc frame 57, swivel 56's top is provided with arc rack 55, the bottom of laser trigger 7 is provided with anti-drop subassembly 6.
As a preferable embodiment of the present embodiment: anti-drop subassembly 6 includes socket 61, draw-in groove 62, fixed block 63, hinge bar 64, the lantern ring 65, dead lever 66, plug 67, fixed slot 68 and second spring 69, socket 61 is located the bottom of laser trigger 7, socket 61's both sides all are provided with draw-in groove 62, socket 61's inside cover is equipped with plug 67, the top of plug 67 both sides articulates there is hinge bar 64, the top that two sets of hinge bar 64 are close to one side each other all is provided with fixed block 63, the top of the positive one end of plug 67 is provided with fixed slot 68, the outside cover of plug 67 is equipped with lantern ring 65, the positive one end slip of lantern ring 65 is provided with dead lever 66, the outside cover of dead lever 66 is equipped with second spring 69 and can realize the zonulae occludens between degree wire and the equipment.
As a preferable embodiment of the present embodiment: the arc-shaped rack 55 and the gear 53 are located on the same vertical plane, and the arc-shaped rack 55 and the gear 53 are meshed with each other, so that the arc-shaped rack 55 can drive the rotating ring 56 to rotate.
As a preferable embodiment of the present embodiment: one end of the front surface of the convex rod 510 penetrates through the inside of the arc-shaped frame 57, the convex rod 510 and the arc-shaped frame 57 are matched in a sliding mode, and the convex rod 510 can be pushed to move when the arc-shaped frame 57 rotates.
As a preferable embodiment of the present embodiment: one end of the back of the support rod 516 extends into the arc-shaped sliding groove 54, and can support and limit the rotating ring 56.
As a preferable embodiment of the present embodiment: the top of plug 67 both sides is provided with the recess, and articulated pole 64 and recess are articulated each other for articulated pole 64 can accomodate.
As a preferable embodiment of the present embodiment: the side of the sliding block 514 adjacent to the isolation plate 513 is inclined, and the variation sliding block 514 can push the isolation plate 513 to move towards two sides when moving.
As a preferable embodiment of the present embodiment: the supporting blocks 59 are L-shaped, and the swivel 56 is located inside the four groups of supporting blocks 59 to prevent the swivel 56 from falling off.
As a preferable embodiment of the present embodiment: the bottom of the convergence unit main body 51 is provided with a cradle head, so that the convergence unit main body 51 can be more stable in measurement.
The installation and arrangement method of the intelligent monitoring equipment for tunnel deformation comprises the following use steps:
the method comprises the following steps: after the equipment is installed, when the tunnel needs to be measured, the laser trigger 7 is used for transmitting signals to the convergence unit main body 51, the servo motor 511 is turned on, the servo motor 511 works to drive the gear 53 to rotate, the gear 53 drives the arc-shaped rack 55 meshed with the gear to rotate, the arc-shaped rack 55 drives the rotating ring 56 to rotate, and therefore the arc-shaped sliding groove 54 slides on the outer side of the supporting rod 516;
step two: when the rotating ring 56 rotates, the two sets of arc-shaped frames 57 are driven to rotate at the same time, because the arc-shaped frames 57 are arc-shaped, the arc-shaped edges of the arc-shaped frames 57 push the two sets of convex rods 510 to move away from each other, the convex rods 510 slide in the arc-shaped frames 57, and therefore the convex rods 510 drive the two sets of baffles 58 to slide in the sliding groove 52 to move away from each other through the sliding block 514, so that the lens is exposed;
step three: while the sliding block 514 slides, the oblique edge of the sliding block 514 and the oblique edge of the isolation plate 513 slide with each other, thereby pushing the isolation plate 513 to move towards the inside of the receiving groove 512, so that the two sets of isolation plates 513 open each other;
step four: when being connected between wire and the laser trigger 7, when inserting plug 67 to the inside of socket 61, continue to promote the lantern ring 65, the lantern ring 65 then promotes hinge rod 64 and rotates around the articulated shaft, drive two sets of fixed blocks 63 and move to the inside of draw-in groove 62 in the time of the rotation, when lantern ring 65 drives dead lever 66 and moves to fixed slot 68 department, spring into the inside of fixed slot 68 with dead lever 66 under the effect of second spring 69 and accomplish the fixed to lantern ring 65, thereby it is spacing to two sets of hinge rod 64.
Example 1: as shown in fig. 2-4, after the installation of the device, when the tunnel needs to be measured, the laser trigger 7 transmits signals to the convergence unit main body 51, at this time, the servo motor 511 is turned on, the servo motor 511 works to drive the gear 53 to rotate, the gear 53 drives the arc-shaped rack 55 engaged with the gear to rotate, the arc-shaped rack 55 drives the rotating ring 56 to rotate, so that the arc-shaped sliding groove 54 slides on the outer sides of the four groups of supporting rods 516, when the rotary ring 56 rotates, the two sets of arc-shaped frames 57 are driven to rotate at the same time, because the arc-shaped frame 57 is arc-shaped, the arc-shaped edges of the arc-shaped frame 57 push the two sets of protruding rods 510 away from each other, the protruding rods 510 slide in the arc-shaped frame 57, the protruding rod 510 drives the two sets of shutters 58 to slide away from each other inside the sliding groove 52 through the sliding block 514, thereby exposing the lens.
Example 2: as shown in fig. 5 to 7, when the lead and the laser trigger 7 need to be separated from each other, the fixing rod 66 is lifted upwards, the fixing rod 66 is separated from the inside of the fixing groove 68, the limiting and fixing of the lantern ring 65 are released, the lantern ring 65 is slid at this time, so that the lantern ring 65 is far away from the outer sides of the two groups of hinge rods 64, the limiting of the hinge rods 64 can be released, and at this time, the two groups of hinge rods 64 can be rotated, so that the fixing block 63 is removed from the hole of the clamping groove 62.
The working principle is as follows: the method comprises the steps of installing a pore-forming device when a locking pin is drilled on a vertical frame, taking out the pore-forming device after guniting and before blasting, installing a reflector on the opposite side, after slag is discharged, installing a measuring unit, installing a protection plate at the measuring unit, sequentially installing measuring units on the tunnel wall on one side of each monitoring section according to different excavation modes, adopting a timing measuring mode, acquiring the relative convergence data of the absolute elevation and the clearance of the vault, uploading the data to a cloud server through a DTU (communication module), processing and analyzing the data, checking and downloading the data at a computer or a mobile phone terminal, automatically generating week and month reports, and forming an automatic tunnel deformation monitoring system by a settlement measuring unit, a convergence measuring unit, a reference measuring module, an acquisition and control station, monitoring software based on network operation and the like, wherein the transmission module and the transmission module can enable wireless communication among devices. The system can continuously add or move the measuring units, and automatically complete vault and clearance change measurement and data analysis, early warning and reporting in the tunnel construction process. And the method is also suitable for monitoring the deformation of the tunnel in operation.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. Tunnel deformation intelligent monitoring equipment, including subsiding measuring element (1), hydrostatic level (2), subsiding measuring module (3), active biography module (4), convergence measuring element (5) and laser trigger (7), its characterized in that: a convergence unit main body (51) is arranged at the top of the convergence measuring unit (5), sliding grooves (52) are arranged on two sides of one front end of the convergence unit main body (51), accommodating grooves (512) are arranged at the top and the bottom inside two groups of sliding grooves (52), first springs (515) are arranged on two sides of positions far away from each other inside two groups of accommodating grooves (512), isolating plates (513) are arranged at positions close to each other of the two groups of first springs (515), sliding blocks (514) are arranged inside the sliding grooves (52) in a sliding manner, baffles (58) are arranged at one front end of each of the two groups of sliding blocks (514), protruding rods (510) are arranged on one sides far away from each other of the two groups of baffles (58), a servo motor (511) is arranged at the middle position of the top of the convergence unit main body (51), and a gear (53) is arranged at the output end of the servo motor (511), the middle position department of convergence unit main part (51) top and bottom all is provided with two sets of supporting shoe (59), four groups the back one end of supporting shoe (59) all is provided with bracing piece (516), four groups the outside cover of bracing piece (516) is equipped with swivel (56), the top and the bottom of swivel (56) positive one end all are provided with arc spout (54), and are two sets of the both sides of swivel (56) all are provided with arc frame (57), the top of swivel (56) is provided with arc rack (55), the bottom of laser trigger (7) is provided with anti-drop subassembly (6).
2. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the anti-falling assembly (6) comprises a socket (61), a clamping groove (62), a fixed block (63), a hinge rod (64), a lantern ring (65), a fixed rod (66), a plug (67), a fixed groove (68) and a second spring (69), the socket (61) is positioned at the bottom of the laser trigger (7), the two sides of the socket (61) are provided with clamping grooves (62), a plug (67) is sleeved in the socket (61), hinged rods (64) are hinged to the tops of two sides of the plug (67), fixed blocks (63) are arranged on the tops of two groups of hinged rods (64) close to one side, a fixing groove (68) is arranged at the top of one end of the front surface of the plug (67), a lantern ring (65) is sleeved on the outer side of the plug (67), a fixing rod (66) is arranged at one end of the front face of the lantern ring (65) in a sliding mode, and a second spring (69) is sleeved on the outer side of the fixing rod (66).
3. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the arc-shaped rack (55) and the gear (53) are positioned on the same vertical plane, and the arc-shaped rack (55) and the gear (53) are meshed with each other.
4. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the front end of the convex rod (510) penetrates through the inside of the arc-shaped frame (57), and the convex rod (510) is matched with the arc-shaped frame (57) in a sliding mode.
5. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: one end of the back surface of the supporting rod (516) extends to the inner part of the arc-shaped sliding groove (54).
6. The intelligent monitoring equipment for tunnel deformation according to claim 2, characterized in that: the top of plug (67) both sides is provided with the recess, articulated pole (64) and recess are articulated each other.
7. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the side, close to each other, of the sliding block (514) and the isolation plate (513) is obliquely arranged.
8. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the supporting blocks (59) are L-shaped, and the rotating rings (56) are positioned in the four groups of supporting blocks (59).
9. The intelligent monitoring equipment for tunnel deformation according to claim 1, characterized in that: the bottom of the convergence unit main body (51) is provided with a cloud deck.
10. The installation and arrangement method of the intelligent tunnel deformation monitoring equipment adopts the intelligent tunnel deformation monitoring equipment as claimed in any one of claims 1-9, and the using method comprises the following steps:
the method comprises the following steps: after the equipment is installed, when the tunnel needs to be measured, a laser trigger (7) is used for transmitting signals to the convergence unit main body (51), the servo motor (511) is started, the servo motor (511) works to drive the gear (53) to rotate, the gear (53) drives the arc-shaped rack (55) meshed with the gear to rotate, the arc-shaped rack (55) drives the rotating ring (56) to rotate, and therefore the arc-shaped sliding groove (54) slides on the outer side of the supporting rod (516);
step two: when the rotating ring (56) rotates, the two groups of arc-shaped frames (57) can be driven to rotate at the same time, because the arc-shaped frames (57) are arc-shaped, the arc-shaped edges of the arc-shaped frames (57) can push the two groups of convex rods (510) to be away from each other, the convex rods (510) slide in the arc-shaped frames (57), and therefore the convex rods (510) drive the two groups of baffles (58) to slide in the sliding groove (52) through the sliding block (514) to be away from each other, and the lens is exposed;
step three: while the sliding block (514) slides, the inclined edge of the sliding block (514) and the inclined edge of the isolation plate (513) slide mutually, so that the isolation plate (513) is pushed to move towards the inside of the accommodating groove (512), and the two groups of isolation plates (513) are opened mutually;
step four: when being connected between wire and laser trigger (7), when inserting plug (67) to the inside of socket (61), continue to promote lantern ring (65), lantern ring (65) then promote articulated rod (64) and rotate around the articulated shaft, drive two sets of fixed block (63) and remove to the inside of draw-in groove (62) in the time of the rotation, when lantern ring (65) drive dead lever (66) and remove to fixed slot (68) department, the inside completion to lantern ring (65) of popping into fixed slot (68) dead lever (66) under the effect of second spring (69), thereby it is spacing to carry out two sets of articulated rod (64).
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