CN115656443B - Tunnel construction monitoring facilities - Google Patents
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- CN115656443B CN115656443B CN202211403642.7A CN202211403642A CN115656443B CN 115656443 B CN115656443 B CN 115656443B CN 202211403642 A CN202211403642 A CN 202211403642A CN 115656443 B CN115656443 B CN 115656443B
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Abstract
The invention discloses tunnel construction monitoring equipment which comprises an outer cylinder cover, a counterweight head, a sampling and detecting mechanism, a detecting and driving mechanism, an upper layer sampling and driving mechanism and a lower layer sampling and detecting mechanism, wherein the tail end of the counterweight head is sleeved on the front end of the outer cylinder cover, the sampling and detecting mechanism is fixedly arranged in the outer cylinder cover, the detecting and driving mechanism is arranged on the outer side wall surface of the outer cylinder cover, and the power output end of the detecting and driving mechanism penetrates through the side wall surface of the outer cylinder cover and is in driving connection with one end of the sampling and detecting mechanism. According to the invention, the first driving block and the second driving block are pulled at different positions, so that the sampling detection mechanism is driven to sample twice at different height positions, and the lower sampling detection mechanism is arranged, so that the sampling and detection can be automatically carried out after the tunnel falls to the ground, the sampling and detection of three position points of the middle layer, the high layer and the lower layer of the tunnel are realized, and the detection range is increased.
Description
Technical Field
The invention relates to the technical field of tunnel monitoring. In particular to a tunnel construction monitoring device.
Background
The tunnel is an engineering building embedded in the stratum, and is generally used for meeting the passing requirement, and during excavation, the gas in the tunnel needs to be detected before construction due to the fact that the gas environment in the stratum is complex and changeable, so that whether the tunnel contains inflammable and explosive and toxic and harmful gases is judged. Because the densities of various gases are different, different gases are distributed at different heights in the tunnel, the existing detection equipment has a certain defect in the detection range, and more accurate judgment can be realized by repeated detection for many times.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the tunnel construction monitoring equipment for improving the detection range.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a tunnel construction monitoring facilities, includes urceolus cover, counter weight head, sampling detection mechanism, detection actuating mechanism and upper sampling actuating mechanism and lower floor sampling detection mechanism, the tail end cover of counter weight head is in on the front end of urceolus cover, sampling detection mechanism fixed mounting is in the urceolus cover, detection actuating mechanism installs on the lateral wall of urceolus cover, the power take off end of detection actuating mechanism passes the lateral wall of urceolus cover and with the one end drive connection of sampling detection mechanism, upper sampling actuating mechanism coaxial arrangement is in the urceolus cover, sampling actuating mechanism's sampling drive end inserts in the upper sampling actuating mechanism and with upper sampling actuating mechanism drive connection, upper sampling actuating mechanism's tail end fixedly connected with stay cord, lower floor sampling actuating mechanism's one end fixed mounting is in on the tail end of counter weight head, lower floor sampling actuating mechanism's the other end penetrates in the urceolus cover and supports and be in sampling actuating end of sampling detection mechanism, sampling mechanism's air inlet end wears out the urceolus cover and is located behind the actuating mechanism. The outer cylinder cover and the counterweight head are arranged in the launching mechanism, a scroll is arranged on the launching mechanism, and the other end of the pull rope is wound on the scroll and fixedly connected with the scroll.
Above-mentioned tunnel construction monitoring facilities, upper sampling actuating mechanism includes mounting cylinder, first drive block and second drive block, all seted up the sliding tray along its length direction on the both sides wall of mounting cylinder, the one end of sliding tray wears out the open end of mounting cylinder, all be connected with the guide block along its length direction fixedly on the both sides cell wall of sliding tray, the guide block be close to a side wall of mounting cylinder central line with the distance of mounting cylinder central line: gradually reducing from one side close to the closed end of the mounting cylinder to one side close to the open end of the mounting cylinder; the second driving block is arranged in the bottom of the mounting cylinder, the first driving block is attached to the second driving block and is arranged in the mounting cylinder, first grooves are formed in two sides of the first driving block, first protruding blocks are slidably arranged in the first grooves, second grooves are formed in two sides of the second driving block, second protruding blocks are slidably arranged in the second grooves, elastic pieces are arranged between the bottoms of the first grooves and the end parts of the first protruding blocks, elastic pieces are also arranged between the bottoms of the second grooves and the end parts of the second protruding blocks, and two first protruding blocks and two second protruding blocks are respectively arranged in the sliding grooves on two sides of the mounting cylinder; the opening end of the installation cylinder penetrates through the tail end of the outer cylinder cover and is fixedly connected with the tail end of the outer cylinder cover, the end part of the pull rope is fixedly connected with the tail end of the first driving block, an installation cavity is formed in the tail end part of the second driving block, a connecting rope is fixedly connected to the front end of the first driving block, the other end of the connecting rope is fixedly connected with the inner wall of the installation cavity, and the front end of the second driving block is fixedly connected with the closed end of the installation cylinder through another connecting rope.
The sampling detection mechanism comprises a pumping cylinder, a piston rod, a first spring and a second support rod, wherein the piston is hermetically and slidably arranged in the pumping cylinder, one end of the piston rod is fixedly connected with the piston, the second support rod is fixedly arranged on the end part of the pumping cylinder, the other end of the piston rod penetrates through the second support rod, the first spring is sleeved on the piston rod, one end of the first spring is propped against the side wall surface of the piston, the other end of the first spring is propped against the side wall surface of the second support rod, a clamping hook is fixedly connected onto the side wall surface of the piston, a through groove is formed in the side wall surface of the pumping cylinder, a fixing rod is hinged in the through groove, and the position of the fixing rod corresponds to the position of the clamping hook; a linkage rod is vertically and fixedly connected to the end part of the piston rod, the other end of the linkage rod is inserted into the sliding groove and positioned between the two guide blocks, and the end parts of the first driving block and the second driving block are higher than the end parts of the linkage rod; the side wall of the air suction cylinder is fixedly connected with the inner wall of the outer cylinder cover, an air inlet pipe is in fluid conduction on the side wall of the air suction cylinder, the other end of the air inlet pipe penetrates out of the outer cylinder cover, and a one-way air inlet valve is arranged on the air inlet pipe.
According to the tunnel construction monitoring equipment, the arc-shaped groove plate is fixedly arranged on the front end part of the air suction cylinder, the ventilation groove is formed in the bottom wall of the arc-shaped groove plate, the air hole communicated with the air suction cylinder is formed in the bottom wall of the ventilation groove, the sealing ring is matched in the arc-shaped groove plate in a sliding sealing manner, the transmission ring is coaxially and fixedly connected to the side wall of the sealing ring, the shell is fixedly arranged on the side wall of the transmission ring, the air hole is also formed in the sealing ring and the transmission ring, the air hole in the transmission ring is communicated with the shell, the sealing film is arranged on the air outlet of the shell, and the first detection sensor is arranged in the shell; the side wall of the drive ring is in transmission connection with the detection driving mechanism through a connecting rod.
The tunnel construction monitoring equipment comprises a supporting seat, a mounting shaft, a paddle and a second face gear, wherein the second face gear is coaxially arranged in an outer cylinder cover, a rotary supporting ring is fixedly arranged on the inner side wall surface of the outer cylinder cover, the side wall of the second face gear is rotationally connected with the rotary supporting ring, the supporting seat is fixedly arranged on the outer side wall surface of the outer cylinder cover, the mounting shaft is rotationally arranged on the supporting seat, the paddle is arranged at one end of the mounting shaft, a first face gear is arranged at the other end of the mounting shaft, cylindrical gears are meshed with the first face gear and the second face gear, and the two cylindrical gears are in transmission connection through a transmission shaft which penetrates through the side wall surface of the outer cylinder cover and is rotationally connected with the outer cylinder cover; one end of the sampling detection mechanism is fixedly connected with the side wall of the second face gear, a deflector rod is vertically and fixedly connected with the side wall of the second face gear, and the end part of the deflector rod is connected with the sampling detection mechanism.
The lower layer sampling detection mechanism comprises a push rod, a control valve and a second detection sensor, wherein the tail end of a counterweight head at one end of the push rod is fixedly connected, the other end of the push rod penetrates through the outer cylinder cover and abuts against a sampling driving end of the sampling detection mechanism, and a second spring is arranged between the counterweight head and the outer cylinder cover; the utility model discloses a device for detecting the temperature of a liquid in an outer cylinder cover, including outer cylinder cover, control valve, elastic shifting block, sampling detection mechanism, detection tube, second detection sensor, control valve, unidirectional exhaust valve, sampling detection mechanism, detection tube, control valve, unidirectional exhaust valve, the fixed mounting is fixed on the inside wall surface of outer cylinder cover, the control valve is installed on the fixed plate, fixed mounting has the second dog on the tip of control valve, install the elastic shifting block on the lateral wall of ejector pin, the position of elastic shifting block with the position of second dog corresponds each other, the last fluid of sampling detection mechanism switches on there is the outlet duct, the other end up-flow channel of outlet duct has the detection tube, install the second detection sensor in the detection tube, the middle part of outlet duct with control valve fluid switches on, install unidirectional exhaust valve on the outlet duct.
Above-mentioned tunnel construction monitoring facilities, the control valve includes valve body and spool, valve body fixed mounting is in on the lateral wall of fixed plate, the second through-hole has been seted up on the both sides wall of valve body, first through-hole has been seted up along its radial on the lateral wall of spool, first through-hole with the position of second through-hole corresponds each other, the middle part of outlet duct is in with the second through-hole fluid conduction of valve body both sides respectively, second dog fixed mounting is in on the tip of spool.
The tunnel construction monitoring equipment comprises a bottom plate, a hinging seat and a transmitting cylinder, wherein the hinging seat is fixedly arranged on the bottom plate, the closed end of the transmitting cylinder is hinged with the hinging seat, a first supporting rod is hinged on the side wall of the transmitting cylinder, the other end of the first supporting rod is hinged with the top of the bottom plate, an air storage tank is arranged on the transmitting cylinder, and an air outlet of the air storage tank is in fluid communication with the closed end of the transmitting cylinder through an air pipe; the outer cylinder cover and the counterweight head are both installed in the transmitting cylinder, the outer diameter of the counterweight head is matched with the inner diameter of the transmitting cylinder, a first stop block is fixedly installed on the inner wall of the transmitting cylinder, the tail end of the outer cylinder cover of the first stop block is propped against the first stop block, and a stabilizing wing is arranged at the tail end of the side wall of the outer cylinder cover.
The technical scheme of the invention has the following beneficial technical effects:
1. according to the invention, the first driving block and the second driving block are arranged, and can be pulled at different positions along with tightening of the pull rope in the transmitting process, so that the sampling detection mechanism is driven to sample twice at different height positions, the lower sampling detection mechanism is arranged, the sampling and detection can be automatically carried out after the sampling detection mechanism falls to the ground, the sampling and detection of three position points in the middle layer, the upper layer and the lower layer of the tunnel are realized through the arrangement of the mechanisms, the detection range is improved, and the plurality of air pumping cylinders can sample gases in different directions.
2. According to the invention, the blade can rotate under the action of the air flow by arranging the detection driving mechanism, the first detection sensor is driven to sequentially detect the air sample in the air suction cylinder, multi-azimuth detection is realized, the air flow is stirred and mixed by the blade, mixed air is adopted during sampling, the accuracy of sampling is improved, and the whole device is still advanced during air suction sampling of the air suction cylinder, so that sampling in a certain distance range is realized instead of single-point sampling, and the sampling range is further improved; through setting up arc frid and ventilation slot, can detect when first detection sensor and ventilation slot intercommunication, because the ventilation slot has certain length to gaseous and first detection sensor's contact time.
3. According to the invention, the counterweight head and the outer cylinder cover which are movably connected are arranged, so that the sampling detection mechanism is pushed to sample by utilizing the motion potential energy at the moment of landing, and the ground gas detection is realized.
Drawings
FIG. 1 is a schematic cross-sectional view of an outer barrel cover and counterweight head assembly of the invention;
FIG. 2 is a schematic cross-sectional view of the mounting cylinder of the present invention;
FIG. 3 is a cross-sectional view of the connection of the first and second drive blocks of the present invention;
FIG. 4 is a side cross-sectional view of the sample detection mechanism of the present invention;
FIG. 5 is a schematic perspective view of a sampling detection mechanism according to the present invention;
FIG. 6 is a schematic perspective view of a seal ring of the present invention;
FIG. 7 is a schematic view of the installation of a first detection sensor of the present invention;
FIG. 8 is a schematic cross-sectional view of a detection drive mechanism of the present invention;
FIG. 9 is a schematic cross-sectional view of an undersampling detection mechanism in accordance with the present invention;
FIG. 10 is a schematic cross-sectional view of the launching mechanism of the present invention;
FIG. 11 is a schematic diagram of the path of travel of the outer housing of the present invention.
The reference numerals in the drawings are as follows: 1-a launching mechanism; 101-a bottom plate; 102-hinging seat; 103-a first support bar; 104-a launch canister; 105-a gas storage tank; 106-a first stop; 107-trachea; 2-an outer cylinder cover; 3-a counterweight head; 4-a sampling detection mechanism; 401-a suction cylinder; 402-a piston; 403-piston rod; 404—a first spring; 405-a second support bar; 406-a hook; 407-a fixed rod; 408-arc-shaped grooved plates; 409-air inlet pipe; 410-one-way intake valve; 411-linkage bar; 412-a vent slot; 413-pores; 414-a drive ring; 415-a sealing ring; 416-a housing; 417-connecting rods; 418-a first detection sensor; 419-sealing film; 5-detecting a driving mechanism; 501-a supporting seat; 502-mounting a shaft; 503-paddle; 504—a first face gear; 505-drive shaft; 506-a second face gear; 507-slewing the support ring; 508—a toggle; 6, a mounting cylinder; 601-a sliding groove; 602-a guide block; 7-a first drive block; 701-a first groove; 702-a first bump; 8-a second drive block; 801-a second groove; 802-second bumps; 803-mounting cavity; 804-connecting a rope; 9-a lower layer sampling detection mechanism; 901-ejector rods; 902-an elastic dial; 903-a fixed plate; 904-valve body; 905-spool; 906-a second stop; 907-a first via; 908-a second via; 909-a second detection sensor; 910-an outlet duct; 10-stabilizing wings; 11-a reel; 12-pulling rope; 13-a second spring.
Detailed Description
Referring to fig. 1, the tunnel construction monitoring device in this embodiment includes an outer cylinder cover 2, a counterweight head 3, a sampling detection mechanism 4, a detection driving mechanism 5, an upper sampling driving mechanism and a lower sampling detection mechanism 9, wherein the tail end of the counterweight head 3 is sleeved on the front end of the outer cylinder cover 2, a limiting groove is arranged at the front end of the side wall of the outer cylinder cover 2, a limiting block is arranged on the side wall of the counterweight head 3 and is clamped in the limiting groove to prevent the outer cylinder cover 2 and the counterweight head 3 from separating, the sampling detection mechanism 4 is fixedly installed in the outer cylinder cover 2, the detection driving mechanism 5 is installed on the outer side wall surface of the outer cylinder cover 2, the power output end of the detection driving mechanism 5 passes through the side wall surface of the outer cylinder cover 2 and is in driving connection with one end of the sampling detection mechanism 4, the upper sampling driving mechanism is coaxially installed in the outer cylinder cover 2, the sampling driving end of the sampling detection mechanism 4 is inserted in the upper sampling driving mechanism and is in driving connection with the upper sampling driving mechanism, the driving end is a driving rod 411, the tail end of the sampling detection mechanism 4 is fixedly installed on the outer cylinder cover 2, the tail end of the tail detection mechanism 4 is fixedly installed on the lower end of the outer cylinder cover 4, and the tail end of the tail detection mechanism 4 is fixedly installed on the end of the detection mechanism 4, and the tail end of the tail detection mechanism 4 is fixedly installed on the tail end of the detection mechanism 4 is detected by the tail end of the detection mechanism 4, and is located at the end of the tail end 3, and is fixedly connected with the end of the tail end of the end detection mechanism 3, and is detected by the tail end is detected by the tail mechanism, and has the tail end is detected by the device; as shown in fig. 10, the outer cylinder cover 2 and the counterweight head 3 are installed in the launching mechanism 1, a reel 11 is installed on the launching mechanism 1, the other end of the pull rope 12 is wound on the reel 11 and fixedly connected with the reel 11, and a stabilizing wing 10 is arranged on the tail end of the side wall of the outer cylinder cover 2.
As shown in fig. 2-3, the upper sampling driving mechanism comprises a mounting cylinder 6, a first driving block 7 and a second driving block 8, wherein sliding grooves 601 are formed in two side wall surfaces of the mounting cylinder 6 along the length direction of the two side wall surfaces, one end of each sliding groove 601 penetrates out of an opening end of the mounting cylinder 6, guide blocks 602 are fixedly connected to two side wall surfaces of each sliding groove 601 along the length direction of the two side wall surfaces, close to the center line of the mounting cylinder 6, of each guide block 602, and the distance between one side wall surface of each side wall surface, close to the center line of the mounting cylinder 6, of each mounting cylinder 6 is: gradually reducing from one side close to the closed end of the mounting cylinder 6 to one side close to the open end of the mounting cylinder 6; the second driving block 8 is installed in the bottom of the installation cylinder 6, the first driving block 7 is attached to the second driving block 8 and installed in the installation cylinder 6, both sides of the first driving block 7 are provided with first grooves 701, first protruding blocks 702 are slidably installed in the first grooves 701, both sides of the second driving block 8 are provided with second grooves 801, second protruding blocks 802 are slidably installed in the second grooves 801, a spring piece is installed between the bottom of the first grooves 701 and the end part of the first protruding blocks 702, a spring piece is also installed between the bottom of the second grooves 801 and the end part of the second protruding blocks 802, and two first protruding blocks 702 and two second protruding blocks 802 are respectively installed in the sliding grooves 601 on both sides of the installation cylinder 6; the open end of the installation tube 6 passes through the tail end of the outer tube cover 2 and is fixedly connected with the tail end of the outer tube cover 2, the end part of the pull rope 12 is fixedly connected with the tail end of the first driving block 7, the tail end part of the second driving block 8 is provided with an installation cavity 803, the front end of the first driving block 7 is fixedly connected with a connecting rope 804, the other end of the connecting rope 804 is fixedly connected with the inner wall of the installation cavity 803, the front end of the second driving block 8 is fixedly connected with the closed end of the installation tube 6 through another connecting rope 804, the first driving block 7 and the second driving block 8 are arranged, and can pull the first driving block 7 and the second driving block 8 at different positions along with the tightening of the pull rope 12 in the transmission process, so that the sampling detection mechanism 4 is driven to sample twice at different positions, the lower sampling detection mechanism 9 is arranged, the automatic sampling and detection after falling to the ground can be carried out, the detection of the middle layer, the high layer and the lower layer are realized, the three positions and the detection positions of the air cylinders can be sampled in different directions 401.
As shown in fig. 4, the sampling detection mechanism 4 includes an air extraction cylinder 401, a piston 402, a piston rod 403, a first spring 404 and a second support rod 405, where the piston 402 is mounted in the air extraction cylinder 401 in a sealing and sliding manner, one end of the piston rod 403 is fixedly connected with the piston 402, a second support rod 405 is fixedly mounted on the end of the air extraction cylinder 401, the other end of the piston rod 403 penetrates through the second support rod 405, a first spring 404 is sleeved on the piston rod 403, one end of the first spring 404 abuts against a side wall surface of the piston 402, the other end of the first spring 404 abuts against a side wall surface of the second support rod 405, a clamping hook 406 is fixedly connected on the side wall surface of the piston 402, a through groove is formed on the side wall surface of the air extraction cylinder 401, a fixing rod 407 is hinged in the through groove, and the position of the fixing rod 407 corresponds to the position of the clamping hook 406. A linkage rod 411 is vertically and fixedly connected to the end of the piston rod 403, the other end of the linkage rod 411 is inserted into the sliding groove 601 and is located between the two guide blocks 602, and the end of the first driving block 7 and the end of the second driving block 8 are higher than the end of the linkage rod 411; the side wall of the air extraction cylinder 401 is fixedly connected with the inner wall of the outer cylinder cover 2, an air inlet pipe 409 is in fluid conduction with the side wall of the air extraction cylinder 401, the other end of the air inlet pipe 409 penetrates out of the outer cylinder cover 2, and a one-way air inlet valve 410 is arranged on the air inlet pipe 409.
As shown in fig. 5-7, an arc-shaped groove plate 408 is fixedly installed on the front end of the air suction barrel 401, an air vent groove 412 is formed in the bottom wall of the arc-shaped groove plate 408, an air hole 413 communicated with the air suction barrel 401 is formed in the bottom wall of the air vent groove 412, a sealing ring 415 is in sliding sealing fit with the arc-shaped groove plate 408, a transmission ring 414 is fixedly connected to the side wall of the sealing ring 415 in a coaxial manner, a shell 416 is fixedly installed on the side wall of the transmission ring 414, air holes 413 are also formed in the sealing ring 415 and the transmission ring 414, the air hole 413 in the transmission ring 414 is communicated with the shell 416, a sealing film 419 is installed on the air outlet of the shell 416, and a first detection sensor 418 is installed in the shell 416; the side wall of the transmission ring 414 is fixedly connected with the side wall of the second face gear 506 of the detection driving mechanism 5 through a connecting rod 417.
As shown in fig. 8, the detection driving mechanism 5 includes a supporting seat 501, a mounting shaft 502, a paddle 503 and a second face gear 506, the second face gear 506 is coaxially mounted in the outer cylinder housing 2, a rotary supporting ring 507 is fixedly mounted on an inner side wall surface of the outer cylinder housing 2, a side wall of the second face gear 506 is rotatably connected with the rotary supporting ring 507, the supporting seat 501 is fixedly mounted on an outer side wall surface of the outer cylinder housing 2, the mounting shaft 502 is rotatably mounted on the supporting seat 501, the paddle 503 is mounted on one end of the mounting shaft 502, a first face gear 504 is mounted on the other end of the mounting shaft 502, a cylindrical gear 504 is meshed with each of the first face gear 504 and the second face gear 506, the two cylindrical gears are in transmission connection through a transmission shaft 505, and the transmission shaft 505 penetrates through the side wall surface of the outer cylinder housing 2 and is rotatably connected with the outer cylinder housing 2; one end of a connecting rod 417 of the sampling detection mechanism 4 is fixedly connected with the side wall of the second face gear 506, a deflector rod 508 is vertically and fixedly connected to the side wall of the second face gear 506, the end part of the deflector rod 508 is connected with a fixed rod 407 of the sampling detection mechanism 4, the fixed rod 407 is stirred to swing by a certain angle through rotation of the deflector rod 508, the blade 503 can be rotated under the action of air flow through the arrangement of the detection driving mechanism 5, the first detection sensor 418 is driven to sequentially detect the air sample in the air suction cylinder 401, multi-azimuth detection is realized, the air flow passes through the blade 503 to realize stirring and mixing, mixed air is adopted during sampling, the sampling accuracy is improved, and the whole device is still advanced during sampling in a certain distance range instead of single-point sampling, so that the sampling range is further improved; by providing the arc-shaped slot plate 408 and the vent slot 412, detection can be performed while the first detection sensor 418 communicates with the vent slot 412, and since the vent slot 412 has a certain length, the contact time of the gas with the first detection sensor 418.
As shown in fig. 9, the lower layer sampling detection mechanism 9 includes a push rod 901, a control valve and a second detection sensor 909, wherein the tail end of a counterweight head 3 at one end of the push rod 901 is fixedly connected, the other end of the push rod 901 penetrates through the outer cylinder cover 2 and abuts against the side wall of a linkage rod 411 of the sampling detection mechanism 4, and a second spring 13 is installed between the counterweight head 3 and the outer cylinder cover 2; the utility model discloses a device for detecting ground gas, including outer cylinder cover 2, control valve, ejector pin 901, fixed mounting has fixed plate 903 on the inside wall surface of outer cylinder cover 2, the control valve is installed on the fixed plate 903, fixed mounting has second dog 906 on the tip of control valve, install elastic shifting block 902 on the lateral wall of ejector pin 901, the position of elastic shifting block 902 with the position of second dog 906 corresponds each other, fluid on the sampling detection mechanism 4 has outlet duct 910, the other end up-flow channel of outlet duct 910 has the detecting tube, install second detection sensor 909 in the detecting tube, the middle part of outlet duct 910 with the control valve fluid is switched on, install one-way discharge valve on the outlet duct 910, through setting up swing joint's counter weight head 3 and outer cylinder cover 2, utilize kinetic potential energy to promote sampling detection mechanism 4 to sample in the moment of falling to ground, realize detecting ground gas.
As shown in fig. 9, the control valve includes a valve body 904 and a valve column 905, the valve body 904 is fixedly mounted on a side wall of the fixing plate 903, second through holes 908 are formed in two side walls of the valve body 904, first through holes 907 are formed in the side wall of the valve column 905 along a radial direction thereof, the positions of the first through holes 907 and the second through holes 908 correspond to each other, the middle part of the air outlet pipe 910 is in fluid communication with the second through holes 908 on two sides of the valve body 904 respectively, and the second stop block 906 is fixedly mounted on an end part of the valve column 905.
As shown in fig. 10, the launching mechanism 1 comprises a bottom plate 101, a hinge seat 102 and a launching tube 104, wherein the hinge seat 102 is fixedly installed on the bottom plate 101, a closed end of the launching tube 104 is hinged with the hinge seat 102, a first supporting rod 103 is hinged on the side wall of the launching tube 104, the other end of the first supporting rod 103 is hinged with the top of the bottom plate 101, a gas storage tank 105 is installed on the launching tube 104, and a gas outlet of the gas storage tank 105 is in fluid communication with the closed end of the launching tube 104 through a gas pipe 107; the outer cylinder cover 2 and the counterweight head 3 are both installed in the transmitting cylinder 104, the outer diameter of the counterweight head 3 is matched with the inner diameter of the transmitting cylinder 104, a first stop block 106 is fixedly installed on the inner wall of the transmitting cylinder 104, and the tail end of the outer cylinder cover 2 of the first stop block 106 abuts against the first stop block 106.
The working flow is as follows: the launching mechanism 1 is arranged on the ground of a tunnel portal, the height of the first supporting rod 103 and the air pressure value in the air storage tank 105 are adjusted according to the height of the tunnel and the distance to be launched, and the lengths of the pull rope 12 and the connecting rope 804 are adjusted so as to achieve the purpose of middle-layer and upper-layer sampling detection;
the outer cylinder cover 2 and the counterweight head 3 are installed in the transmitting cylinder 104, a valve on the air pipe 107 is opened, compressed air in the air storage tank 105 is released into the transmitting cylinder 104, the counterweight head 3 is pushed to drive the outer cylinder cover 2 to rapidly advance along a preset route, the pull rope 12 is pulled at the same time, when the pull rope 12 is completely released and then tightened, the first driving block 7 is pulled to move in the mounting cylinder 6, the first lug 702 is utilized to push the linkage rod 411 to move, the piston rod 403 is enabled to pull the piston 402, air suction sampling is carried out through the air inlet pipe 409 until the clamping hook 406 hooks the fixed rod 407, the first lug 702 is gradually extruded by the guide block 602 while advancing, and finally separated from the linkage rod 411, and the first driving block 7 is completely separated from the mounting cylinder 6;
because the outer cylinder cover 2 advances in the air, the blade 503 can be pushed to rotate by utilizing the advancing air flow, the second face gear 506 is driven to rotate by the first face gear 504 and the transmission shaft 505, when the second face gear 506 rotates, the synchronous band-pass deflector rod 508 rotates, so that the deflector rod 508 dials the fixed rod 407, a torsion spring can be arranged on the hinge shaft of the fixed rod 407, the fixed rod 407 is guaranteed to be arranged along the radial direction of the air suction cylinder 401 in a normal state, the fixed rod 407 rotates for a certain angle to be separated from the clamping hook 406, the piston 402 is pushed to advance under the action of the first spring 404, the internal air is extruded to advance, the second face gear 506 rotates and simultaneously drives the driving ring 414 and the sealing ring 415 to rotate, and after the shell 416 is communicated with the ventilation groove 412, the air in the air suction cylinder 401 enters the shell 416 through the air hole 413 and the ventilation groove 412 and is blown to the first detection sensor 418, and the sealing film 419 is pushed to flow out, so that detection is realized; as the second face gear 506 rotates, the shift lever 508 sequentially shifts the fixed lever 407, and sequentially detects the gases in the plurality of gas cylinders 401;
when the first driving block 7 moves, the connecting rope 804 is pulled, when the connecting rope 804 is tensioned, the second driving block 8 is pulled to move in the same way, so that the secondary sampling at the upper layer and the secondary detection are realized under the rotation of the second face gear 506, and the detection accuracy can be ensured during the air extraction sampling and the air outlet detection due to the fact that the pipeline is reduced to the greatest extent by the structure;
after the second driving block 8 is completely drawn out, all ropes are tensioned, the counterweight head 3 is pulled and converted into downward free falling body movement, the whole body is vertically downward, after the counterweight head 3 contacts the ground, the movement is stopped, because the outer cylinder cover 2 and parts inside the outer cylinder cover have movement potential energy, the second spring 13 is extruded to move downward, the ejector rod 901 is utilized to push the linkage rod 411 forward by a certain distance, ground air sampling is achieved, in the process of pressing down the outer cylinder cover 2, as shown in fig. 9, the elastic shifting block 902 pushes the valve column 905 to move, the second through hole 908 is conducted with the first through hole 907, then after the movement potential energy is eliminated, under the action of the pushing force of the second spring 13, the outer cylinder cover 2 is reversely pushed upward, the piston 402 pushes air to blow to the second detection sensor 909 through the air outlet pipe 910 under the action of the first spring 404, detection is achieved, and after the ground, the rotation of the second end face gear 506 cannot be guaranteed due to no pushing of air flow, the structure can guarantee the detection of air collected on the ground, and the detection is multi-direction mixed air, so that the detection accuracy is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While the obvious variations or modifications which are extended therefrom remain within the scope of the claims of this patent application.
Claims (5)
1. The tunnel construction monitoring equipment is characterized by comprising an outer cylinder cover (2), a counterweight head (3), a sampling detection mechanism (4), a detection driving mechanism (5), an upper sampling driving mechanism and a lower sampling detection mechanism (9), wherein the tail end of the counterweight head (3) is sleeved on the front end of the outer cylinder cover (2), the sampling detection mechanism (4) is fixedly installed in the outer cylinder cover (2), the detection driving mechanism (5) is installed on the outer side wall surface of the outer cylinder cover (2), the power output end of the detection driving mechanism (5) penetrates through the side wall surface of the outer cylinder cover (2) and is in driving connection with one end of the sampling detection mechanism (4), the upper sampling driving mechanism is coaxially installed in the outer cylinder cover (2), the sampling driving end of the sampling detection mechanism (4) is inserted into the upper sampling driving mechanism and is in driving connection with the upper sampling driving mechanism, the tail end of the upper sampling driving mechanism is fixedly connected with a pull rope (12), one end of the lower sampling detection mechanism (9) is fixedly installed on the side wall surface of the outer cylinder cover (2) and is in driving connection with the other end of the upper sampling mechanism (4), the air inlet end of the sampling detection mechanism (4) penetrates out of the outer cylinder cover (2) and is positioned behind the detection driving mechanism (5); the outer cylinder cover (2) and the counterweight head (3) are arranged in the launching mechanism (1), a reel (11) is arranged on the launching mechanism (1), and the other end of the pull rope (12) is wound on the reel (11) and fixedly connected with the reel (11);
the upper sampling driving mechanism comprises a mounting cylinder (6), a first driving block (7) and a second driving block (8), wherein sliding grooves (601) are formed in two side wall surfaces of the mounting cylinder (6) along the length direction of the two side wall surfaces, one ends of the sliding grooves (601) penetrate out of the opening ends of the mounting cylinder (6), guide blocks (602) are fixedly connected to two side wall surfaces of the sliding grooves (601) along the length direction of the two side wall surfaces, and the guide blocks (602) are close to the distance between one side wall surface of the central line of the mounting cylinder (6) and the central line of the mounting cylinder (6): gradually reducing from one side close to the closed end of the mounting cylinder (6) to one side close to the open end of the mounting cylinder (6); the second driving block (8) is arranged in the bottom of the mounting cylinder (6), the first driving block (7) is attached to the second driving block (8) and is arranged in the mounting cylinder (6), first grooves (701) are formed in two sides of the first driving block (7), first protruding blocks (702) are slidably arranged in the first grooves (701), second grooves (801) are formed in two sides of the second driving block (8), second protruding blocks (802) are slidably arranged in the second grooves (801), elastic pieces are arranged between the bottoms of the first grooves (701) and the end parts of the first protruding blocks (702), and elastic pieces are also arranged between the bottoms of the second grooves (801) and the end parts of the second protruding blocks (802), and the two first protruding blocks (702) and the two second protruding blocks (802) are respectively arranged in the sliding grooves (601) on two sides of the mounting cylinder (6); the opening end of the mounting cylinder (6) penetrates through the tail end of the outer cylinder cover (2) and is fixedly connected with the tail end of the outer cylinder cover (2), the end of the pull rope (12) is fixedly connected with the tail end of the first driving block (7), the tail end of the second driving block (8) is provided with a mounting cavity (803), the front end of the first driving block (7) is fixedly connected with a connecting rope (804), the other end of the connecting rope (804) is fixedly connected with the inner wall of the mounting cavity (803), and the front end of the second driving block (8) is fixedly connected with the closed end of the mounting cylinder (6) through another connecting rope (804);
the sampling detection mechanism (4) comprises an air suction cylinder (401), a piston (402), a piston rod (403), a first spring (404) and a second support rod (405), wherein the piston (402) is installed in the air suction cylinder (401) in a sealing sliding manner, one end of the piston rod (403) is fixedly connected with the piston (402), the second support rod (405) is fixedly installed on the end part of the air suction cylinder (401), the other end of the piston rod (403) penetrates through the second support rod (405), the piston rod (403) is sleeved with the first spring (404), one end of the first spring (404) is propped against the side wall surface of the piston (402), the other end of the first spring (404) is propped against the side wall surface of the second support rod (405), a clamping hook (406) is fixedly connected to the side wall surface of the piston (402), a through groove is formed in the side wall surface of the air suction cylinder (401), a fixing rod (407) is hinged in the through groove, and the position of the fixing rod (407) corresponds to the position of the clamping hook (407). A linkage rod (411) is vertically and fixedly connected to the end part of the piston rod (403), the other end of the linkage rod (411) is inserted into the sliding groove (601) and positioned between the two guide blocks (602), and the end parts of the first driving block (7) and the second driving block (8) are higher than the end part of the linkage rod (411); the side wall of the air suction cylinder (401) is fixedly connected with the inner wall of the outer cylinder cover (2), an air inlet pipe (409) is in fluid conduction with the side wall of the air suction cylinder (401), the other end of the air inlet pipe (409) penetrates out of the outer cylinder cover (2), and a one-way air inlet valve (410) is arranged on the air inlet pipe (409);
an arc-shaped groove plate (408) is fixedly arranged on the front end part of the air suction barrel (401), an air vent groove (412) is formed in the bottom wall of the arc-shaped groove plate (408), an air hole (413) communicated with the air suction barrel (401) is formed in the bottom wall of the air vent groove (412), a sealing ring (415) is in sliding sealing fit with the arc-shaped groove plate (408), a transmission ring (414) is fixedly connected to the side wall of the sealing ring (415), a shell (416) is fixedly arranged on the side wall of the transmission ring (414), the air hole (413) is also formed in the sealing ring (415) and the transmission ring (414), the air hole (413) in the transmission ring (414) is communicated with the shell (416), a sealing film (419) is arranged on the air outlet of the shell (416), and a first detection sensor (418) is arranged in the shell (416). The side wall of the transmission ring (414) is in transmission connection with the detection driving mechanism (5) through a connecting rod (417).
2. The tunnel construction monitoring device according to claim 1, wherein the detection driving mechanism (5) comprises a supporting seat (501), a mounting shaft (502), a blade (503) and a second face gear (506), the second face gear (506) is coaxially installed in the outer cylinder cover (2), a rotary supporting ring (507) is fixedly installed on the inner side wall surface of the outer cylinder cover (2), the side wall of the second face gear (506) is rotationally connected with the rotary supporting ring (507), the supporting seat (501) is fixedly installed on the outer side wall surface of the outer cylinder cover (2), the mounting shaft (502) is rotationally installed on the supporting seat (501), one end of the mounting shaft (502) is provided with the blade (503), the other end of the mounting shaft (502) is provided with a first face gear (504), cylindrical gears are meshed on the first face gear (504) and the second face gear (506), and two cylindrical gears are connected with the outer cylinder cover (505) through the transmission shaft (505) and are connected with the outer cylinder cover (2); one end of the sampling detection mechanism (4) is fixedly connected with the side wall of the second face gear (506), a deflector rod (508) is vertically and fixedly connected with the side wall of the second face gear (506), and the end part of the deflector rod (508) is connected with the sampling detection mechanism (4).
3. The tunnel construction monitoring device according to claim 1, wherein the lower layer sampling detection mechanism (9) comprises a push rod (901), a control valve and a second detection sensor (909), one end of the push rod (901) is fixedly connected with the tail end of a counterweight head (3), the other end of the push rod (901) penetrates through the outer cylinder cover (2) and abuts against a sampling driving end of the sampling detection mechanism (4), and a second spring (13) is installed between the counterweight head (3) and the outer cylinder cover (2); the utility model discloses a device for detecting the temperature of a liquid in an air conditioner, including urceolus cover (2), fixed mounting has fixed plate (903) on the inside wall face of urceolus cover (2), the control valve is installed on fixed plate (903), fixed mounting has second dog (906) on the tip of control valve, install elasticity shifting block (902) on the lateral wall of ejector pin (901), the position of elasticity shifting block (902) with the position of second dog (906) corresponds each other, fluid on sampling detection mechanism (4) has outlet duct (910), the other end up-flow channel of outlet duct (910) leads to has the detection tube, install second detection sensor (909) in the detection tube, the middle part of outlet duct (910) with control valve fluid switches on, install one-way discharge valve on outlet duct (910).
4. A tunnel construction monitoring device according to claim 3, characterized in that the control valve comprises a valve body (904) and a valve column (905), the valve body (904) is fixedly mounted on the side wall of the fixing plate (903), the two side walls of the valve body (904) are provided with second through holes (908), the side wall of the valve column (905) is provided with first through holes (907) along the radial direction thereof, the positions of the first through holes (907) and the second through holes (908) correspond to each other, the middle part of the air outlet pipe (910) is respectively in fluid communication with the second through holes (908) on the two sides of the valve body (904), and the second stop block (906) is fixedly mounted on the end part of the valve column (905).
5. The tunnel construction monitoring device according to claim 1, wherein the emission mechanism (1) comprises a bottom plate (101), a hinge seat (102) and an emission cylinder (104), the hinge seat (102) is fixedly installed on the bottom plate (101), a closed end of the emission cylinder (104) is hinged with the hinge seat (102), a first supporting rod (103) is hinged on the side wall of the emission cylinder (104), the other end of the first supporting rod (103) is hinged with the top of the bottom plate (101), an air storage tank (105) is installed on the emission cylinder (104), and an air outlet of the air storage tank (105) is in fluid communication with the closed end of the emission cylinder (104) through an air pipe (107); the outer cylinder cover (2) and the counterweight head (3) are both installed in the transmitting cylinder (104), the outer diameter of the counterweight head (3) is matched with the inner diameter of the transmitting cylinder (104), a first stop block (106) is fixedly installed on the inner wall of the transmitting cylinder (104), the tail end of the outer cylinder cover (2) of the first stop block (106) is propped against the first stop block (106), and a stabilizing fin (10) is arranged at the tail end of the side wall of the outer cylinder cover (2).
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