CN215633125U

CN215633125U - Tunnel drainage system connecting rod floater liquid level switch device

Info

Publication number: CN215633125U
Application number: CN202121379919.8U
Authority: CN
Inventors: 寇志鹏; 李彦乐; 乔建勇; 汪楠; 乔鹏飞
Original assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-25
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to the technical field of sewage discharge, in particular to a connecting rod floating ball liquid level switch device of a tunnel drainage system. Including the water tank with set up in the inside support frame of water tank, the support frame top is provided with the terminal box, the fixed waterproof box that is provided with in support frame bottom, the terminal box bottom is rotated and is connected with the guide arm, sliding connection has the nanosphere body on the guide arm pole wall, still be provided with the spacing ring on the guide arm, spacing ring and terminal box electric connection, the spout has been seted up to the support frame both sides, the both sides of guide arm are provided with moving mechanism in the support frame, the last fixture that is provided with of moving mechanism, fixture can follow the spout through moving mechanism and remove, be provided with drainage mechanism in the water tank, drainage mechanism and terminal box signal connection. The device is fixed firm, and degree of automation is high, has improved the construction operating efficiency when lightening constructor intensity of labour. The utility model is mainly applied to the aspect of tunnel sewage discharge.

Description

Tunnel drainage system connecting rod floater liquid level switch device

Technical Field

The utility model relates to the technical field of sewage discharge, in particular to a connecting rod floating ball liquid level switch device of a tunnel drainage system.

Background

Drainage is prevented in the tunnel indicates that it is unlikely to cause the disease because of the percolating water in order to guarantee the tunnel building, endanger driving safety, corrode in the hole equipment, generally draw the sewage in the tunnel to the water tank of special ponding in, then discharge sewage when the water in the water tank is filled up soon again, and need use level switch in sewage treatment equipment, generally use connecting rod floater level switch to carry out the volume of control liquid, prevent that it from overflowing because of the storage is too much, connecting rod floater level switch's theory of operation: through being provided with annular magnet in the floater, can rise under the effect of buoyancy when the floater, when rising to the alarm height, magnet in the floater can produce magnetic force effect to the inside magnetic reed switch of connecting rod for the switch-on of magnetic reed switch, the circuit of switch-on can transmit signal and tell the water level of liquid and arrived dangerous position, need handle, after the water level descends, the floater descends, and the magnetic reed switch also can not receive magnetic force effect, off-connection.

Connecting rod floater liquid level switch uses the work back in sewage for a long time, can a lot of stains of adhesion on floater and the guide arm, if not in time clear up can lead to the fact the influence to the lift of floating to general floater liquid level switch all hangs on the frame through the connecting wire, and the level gauge breaks away from not only appears in the relatively poor easy of stability like this, still can cause the damage to the switch line.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the connecting rod floating ball liquid level switch device of the tunnel drainage system, which can accurately control drainage operation according to the liquid level, can timely and efficiently clean the guide rod and the floating ball body, prolongs the service life of the device and improves the construction efficiency.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a tunnel drainage system connecting rod floater liquid level switching device, includes the water tank and sets up in the inside support frame of water tank, the support frame top is provided with the terminal box, and the fixed waterproof box that is provided with in support frame bottom, the terminal box bottom rotates and is connected with the guide arm, and sliding connection has the floater body on the guide arm pole wall, still is provided with the spacing ring on the guide arm, spacing ring and terminal box electric connection, the spout has been seted up to the support frame both sides, and the both sides of guide arm are provided with moving mechanism in the support frame, the last fixture that is provided with of moving mechanism, fixture can follow the spout through moving mechanism and remove, be provided with drainage mechanism in the water tank, drainage mechanism and terminal box signal connection.

Drainage mechanism includes baffle, water pump, drinking-water pipe and drain pipe, baffle fixed mounting is in the inside of water tank, water pump fixed mounting is on the baffle, drinking-water pipe and drain pipe respectively with the water inlet and the delivery port fixed connection of water pump, the one end that the water pump was kept away from to the drinking-water pipe stretches into in the water tank, water pump passing signal line and terminal box communication connection.

The moving mechanism comprises a first motor, a screw rod and a moving block, two groups of screw rods are arranged on two sides of the support frame respectively, the screw rods are rotatably arranged in the support frame, the first motor is arranged on two sides of the interior of the waterproof box, the output end of the first motor is fixedly connected with the bottom of the screw rod, and the moving block is in threaded connection with the two groups of screw rods on the same side.

The screw rod is provided with a forward switch and a reverse switch respectively, the forward switch is arranged above the reverse switch, and the forward switch and the reverse switch are both electrically connected with the first motor.

The clamping mechanism comprises a sliding barrel, a sliding rod, a scraper, a pull rod and a first spring, the sliding barrel penetrates through a sliding groove and is fixedly mounted on the side wall of a moving block, one end of the sliding rod is connected into the sliding barrel in a sliding mode, the other end of the sliding barrel penetrates through the moving block, the scraper and one end, far away from the sliding barrel, of the sliding rod are rotatably connected, a cavity is formed in the sliding rod, one end of the pull rod is rotatably connected into the cavity, the other end of the pull rod extends out of the sliding barrel, one end of the first spring is fixedly connected with the sliding rod on one side, close to the pull rod, of the other end of the first spring is fixedly connected with the inner wall of the sliding barrel, one side of the sliding rod is far away from the inner wall of the sliding barrel, and a locking mechanism is arranged on the portion, located in the cavity, of the pull rod.

The locking mechanism comprises a winding shaft, a pull rope, clamping blocks and a second spring, the winding shaft is fixedly arranged at one end, extending into the cavity, of the pull rod, the clamping blocks are arranged in two groups, the clamping blocks are in sliding connection with the side wall of the cavity, the clamping blocks are connected with the winding shaft through the pull rope, the clamping blocks are fixedly connected through the second spring, and clamping grooves matched with the clamping blocks are formed in the sliding barrel.

The waterproof box is characterized in that a second motor is arranged in the center of the interior of the waterproof box, a first rotating rod is arranged at the top of the second motor, one end of the first rotating rod is connected with an output shaft of the second motor, and the other end of the first rotating rod is fixedly connected with the bottom of the guide rod.

The sponge roller is characterized in that a driving belt wheel is fixedly sleeved on the first rotating rod, second rotating rods which are rotatably arranged on the support frame are arranged on two sides of the first rotating rod, driven belt wheels are fixedly sleeved on the second rotating rods, a belt is in transmission connection between the driving belt wheels and the driven belt wheels on the two sides, and a sponge cylinder is fixedly arranged at the top of each second rotating rod.

Be provided with supporting mechanism on the support frame, supporting mechanism includes mounting panel, spiral shell section of thick bamboo, screw rod and ball, the mounting panel is fixed to be set up in support frame both sides edge, the ball rotates and sets up in the inside of mounting panel, the one end and the ball fixed connection of spiral shell section of thick bamboo, the other end and screw rod threaded connection, the one end that spiral shell section of thick bamboo was kept away from to the screw rod is rotated and is connected with the sucking disc, the top of mounting panel is provided with the bolt of fixed ball.

Compared with the prior art, the utility model has the beneficial effects that:

when the guide rod and the floating ball body of the liquid level switch work in sewage for a long time, a lot of stains are adhered to the surfaces of the guide rod and the floating ball body, the scraping plate can be driven to move on the guide rod to clean the stains through the cooperation of the moving mechanism and the clamping mechanism, the guide rod can be cleaned more thoroughly through the rotating mechanism and the cleaning mechanism, the surface of the floating ball body can be cleaned, and the floating ball body can be lifted on the guide rod more sensitively; the support frame can be supported on the water storage tank in the tunnel through the support mechanism, the support frame can be installed on the inclined plane as required, the floating ball liquid level switch fixed on the support frame can be stably fixed, the switch wire is not needed to be used for hanging the floating ball liquid level switch on the frame, and damage to a circuit and falling off of a clamp are avoided. The device is timely and effective in cleaning the guide rod and the floating ball body, the device is fixed and stable, the automation degree is high, and the construction operation efficiency is improved while the labor intensity of constructors is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a partial structural view of the mount of the present invention;

FIG. 4 is a schematic view of a portion of the clamping mechanism of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4;

in the figure: 1 is a water tank, 2 is a support frame, 21 is a chute, 3 is a junction box, 31 is a guide rod, 32 is a floating ball, 33 is a limit ring, 4 is a drainage mechanism, 41 is a partition plate, 42 is a water pump, 43 is a water pumping pipe, 44 is a drainage pipe, 45 is a signal line, 5 is a moving mechanism, 51 is a first motor, 52 is a lead screw, 53 is a moving block, 54 is a forward switch, 55 is a reverse switch, 6 is a clamping mechanism, 61 is a sliding barrel, 611 is a clamping groove, 62 is a sliding rod, 621 is a cavity, 63 is a scraping plate, 64 is a pull rod, 65 is a first spring, 7 is a locking mechanism, 71 is a winding shaft, 72 is a pull rope, 73 is a clamping block, 74 is a second spring, 81 is a second motor, 82 is a first rotating rod, 91 is a second rotating rod, 92 is a sponge barrel, 93 is a driving pulley, 94 is a driven pulley, 95 is a belt, 9a support mechanism, 9a1 is a mounting plate, 9a2 is a screw barrel, 9a3 is a screw rod, 9a4 is a suction cup, 9a5 is a ball, 9a6 is a bolt, and 9b is a waterproof box.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

As shown in fig. 1 to 5, a tunnel drainage system connecting rod floating ball liquid level switch device comprises a water tank 1 and a support frame 2 arranged inside the water tank 1, a junction box 3 is arranged at the top of the support frame 2, a waterproof box 9b is fixedly arranged at the bottom of the support frame 2, the waterproof box 9b is placed on the bottom surface of the water tank 1, a guide rod 31 is rotatably connected to the bottom of the junction box 3, a floating ball 32 is slidably connected to the wall of the guide rod 31, a limit ring 33 is further arranged on the guide rod 31, the limit ring 33 is electrically connected with the junction box 3, sliding grooves 21 are formed in two sides of the support frame 2, moving mechanisms 5 are arranged on two sides of the guide rod 31 in the support frame 2, clamping mechanisms 6 are arranged on the moving mechanisms 5, the clamping mechanisms 6 can move along the sliding grooves 21 through the moving mechanisms 5, a drainage mechanism 4 is arranged in the water tank 1, and the drainage mechanism 4 is in signal connection with the junction box 3. The support frame 2 and the guide rod 31 are arranged in the water tank 1, when the filled waste water in the water tank 1 is more and more, the rising of the water level can drive the floating ball body 32 to slide upwards on the guide rod 31, when the floating ball 32 slides upwards to abut against the limit ring 33 above the guide rod 31, the magnet inside the floating ball 32 will generate magnetic force to the magnetic reed switch inside the guide rod 31, so that the magnetic reed switch is switched on, the junction box 3 can transmit signals to inform that the water level of the liquid reaches a dangerous position, and controls the water pump 42 to work through the signal line 45 to pump up the waste water through the pumping pipe 43 and then discharge the waste water out of the water tank 1 through the drainage pipe 44, when the water level is lowered, the floating ball body 32 is lowered along the guide rod 31, the magnetic reed switch is not subjected to the magnetic force and is disconnected, and then the water pump 42 is turned off to stop the drainage by transmitting information through the signal line 45, so that the wastewater in the water tank 1 can be kept from overflowing.

Preferably, the drainage mechanism 4 comprises a partition plate 41, a water pump 42, a water pumping pipe 43 and a drainage pipe 44, the partition plate 41 is fixedly installed inside the water tank 1, the water pump 42 is fixedly installed on the partition plate 41, the water pumping pipe 43 and the drainage pipe 44 are fixedly connected with a water inlet and a water outlet of the water pump 42 respectively, one end of the water pumping pipe 43, which is far away from the water pump 42, extends into the water tank 1, and the water pump 42 is in communication connection with the junction box 3 through a signal line 45.

Preferably, the moving mechanism 5 includes a first motor 51, a lead screw 52 and a moving block 53, two sets of lead screws 52 are respectively disposed on two sides of the support frame 2, the lead screw 52 is rotatably disposed in the support frame 2, the first motor 51 is disposed on two sides inside the waterproof box 9b, an output end of the first motor 51 is fixedly connected with the bottom of the lead screw 52, and the moving block 53 is in threaded connection with the two sets of lead screws 52 on the same side.

Preferably, the screw 52 is provided with a forward switch 54 and a reverse switch 55, respectively, the forward switch 54 is disposed above the reverse switch 55, and both the forward switch 54 and the reverse switch 55 are electrically connected to the first motor 51.

Preferably, the clamping mechanism 6 includes a sliding cylinder 61, a sliding rod 62, a scraping plate 63, a pull rod 64 and a first spring 65, the sliding cylinder 61 passes through the sliding groove 21 and is fixedly mounted on the side wall of the moving block 53, one end of the sliding rod 62 is slidably connected in the sliding cylinder 61, the other end of the sliding rod 62 penetrates through the moving block 53, the scraping plate 63 and one end of the sliding rod 62, which is far away from the sliding cylinder 61, are rotatably connected, a cavity 621 is formed in the sliding rod 62, one end of the pull rod 64 is rotatably connected in the cavity 621, the other end of the pull rod extends out of the sliding cylinder 61, one end of the first spring 65 is fixedly connected with one side, which is close to the pull rod 64, of the first spring 65, one side of the sliding rod 62 is fixedly connected with the inner wall of the sliding cylinder 61, and the portion, which is located in the cavity 621, is provided with the locking mechanism 7.

Preferably, the locking mechanism 7 includes a winding shaft 71, a pulling rope 72, two sets of blocks 73 and a second spring 74, the winding shaft 71 is fixedly disposed at one end of the pull rod 64 extending into the cavity 621, the two sets of blocks 73 are disposed, the blocks 73 are slidably connected with the side wall of the cavity 621, the two blocks 73 are connected with the winding shaft 71 through the pulling rope 72, the two blocks 73 are fixedly connected with each other through the second spring 74, and the sliding barrel 61 is provided with a slot 611 matched with the blocks 73.

Preferably, a second motor 81 is arranged at the central position inside the waterproof box 9b, a first rotating rod 82 is arranged at the top of the second motor 81, one end of the first rotating rod 82 is connected with an output shaft of the second motor 81, and the other end of the first rotating rod 82 is fixedly connected with the bottom of the guide rod 31.

Preferably, a driving pulley 93 is fixedly sleeved on the first rotating rod 82, second rotating rods 91 rotatably arranged on the support frame 2 are arranged on two sides of the first rotating rod 82, driven pulleys 94 are fixedly sleeved on the second rotating rods 91, a belt 95 is in transmission connection between the driving pulley 93 and the driven pulleys 94 on two sides, and a sponge cylinder 92 is fixedly arranged on the top of the second rotating rod 91.

Preferably, the supporting mechanism 9a is arranged on the supporting frame 2, the supporting mechanism 9a includes a mounting plate 9a1, a screw cylinder 9a2, a screw 9a3 and balls 9a5, the mounting plate 9a1 is fixedly arranged at two side edges of the supporting frame 2, the balls 9a5 are rotatably arranged inside the mounting plate 9a1, one end of the screw cylinder 9a2 is fixedly connected with the balls 9a5, the other end of the screw cylinder is in threaded connection with the screw 9a3, one end of the screw 9a3 far away from the screw cylinder 9a2 is rotatably connected with a suction cup 9a4, and a bolt 9a6 for fixing the balls 9a5 is arranged at the top of the mounting plate 9a 1.

The device has the working procedures as follows: the support frame 2 and the guide rod 31 are arranged in the water tank 1, the screw rod 9a3 is rotated to be screwed out or screwed in from the screw cylinder 9a2, so that two groups of screw rods 9a3 can be respectively abutted against the side wall of the water tank 1 to fixedly support the support frame 2, the angles of the screw cylinder 9a2 and the screw rod 9a3 can be adjusted by rotating the ball 9a5 connected to the mounting plate 9a1, the bolt 9a6 is rotated to lock the ball 9a5 after the angle is adjusted, so that the screw rod 9a3 can be contacted and abutted against an inclined surface as required, the suction disc 9a4 on the screw rod 9a3 is sucked with the inner wall of the water tank 1, the stability of the support frame 2 can be further improved, the liquid level switch is not required to be suspended on the frame by using a switch wire, the damage to a float ball is avoided, and the float ball 32 is driven to upwards slide on the guide rod 31 when more and more waste water is filled in the water tank 1, when the floating ball 32 slides upwards to abut against the limiting ring 33 above the guide rod 31, the magnet inside the floating ball 32 generates magnetic force on the magnetic reed switch inside the guide rod 31, so that the magnetic reed switch is switched on, the switched-on circuit can transmit a signal to inform that the water level of the liquid reaches a dangerous position, the signal line 45 controls the water pump 42 to work to pump the wastewater out of the water tank 1 through the water discharge pipe 44, after the water level descends, the floating ball 32 descends along the guide rod 31, the magnetic reed switch can not receive the magnetic force, the connection is switched off, and the signal line 45 transmits the signal to close the water pump 42 to stop discharging, so that the wastewater in the water tank 1 can be kept from overflowing, before the floating ball level gauge works, two groups of pull rods 64 need to pull to drive the slide rod 62 and the scraper 63 to move away from the guide rod 31 and the first spring 65 is compressed, and the fixture block 73 on the side wall of the slide rod 62 is pulled to be aligned with the fixture groove 611 when being pulled towards the inside of the slide cylinder 61, the second spring 74 will eject the block 73 out of the slot 611, so that the block 73 can lock the slide rod 62 in the slide cylinder 61, and prevent the scraper 63 from contacting the guide rod 31, and when the float level switch works in sewage for a long time, a lot of stains will adhere to the surfaces of the guide rod 31 and the float body 32, at this time, the pull rod 64 is rotated to drive the spool 71 to rotate and wind the pull rope 72, the pull rope 72 will pull the block 73 to move and retract into the slide cylinder 61, then the first spring 65 will be relieved to drive the slide rod 62 to eject out of the slide cylinder 61, so as to drive the scraper 63 to abut against the rod wall of the guide rod 31, then the two sets of first motors 51 are started to work to drive the two sets of lead screws 52 fixedly connected to the output ends thereof to rotate, the two sets of lead screws 52 will drive the moving block 53 to move, when the moving block 53 moves upwards and touches the reversing switch 55, the reversing switch 55 will control the first motor 51 to drive the lead screws 52 to reverse, when the moving block 53 moves downwards and touches the forward rotation switch 54, the forward rotation switch 54 controls the first motor 51 to drive the screw 52 to rotate forwards, and drives the moving block 53 to move upwards again, so that the moving block 53 can be driven to move up and down, the moving block 53 can drive the sliding barrel 61 and the scraper 63 on the sliding rod 62 to move up and down along the guide rod 31, so as to scrape off dirt on the outer wall of the guide rod 31, keep the wall of the guide rod 31 clean, facilitate the up and down movement of the floating ball 32, meanwhile, the second motor 81 is started to work to drive the first rotating rod 82 fixedly connected with the output end of the first motor to rotate, the first rotating rod 82 can drive the guide rod 31 to rotate, so that the dirt on the outer wall of the guide rod 31 can be scraped by the scraper 63 more thoroughly, the first rotating rod 82 can drive the driving pulley 93 to rotate, the driving pulley 93 can drive the second rotating rod 91 provided with the driven pulley 94 through the belt 95 to rotate, the second rotating rod 91 can drive the sponge wiper 92 at the top of the second rotating rod to contact and rub with the surface of the floating ball body 32, and then stains adhered to the surface of the floating ball body 32 can be wiped and cleaned, so that the guide rod 31 and the floating ball 32 can be cleaned conveniently, and the floating ball liquid level switch can be stably fixed.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. The utility model provides a tunnel drainage system connecting rod floater liquid level switch device which characterized in that: the water tank comprises a water tank (1) and a support frame (2) arranged inside the water tank (1), wherein a junction box (3) is arranged at the top of the support frame (2), a waterproof box (9b) is fixedly arranged at the bottom of the support frame (2), a guide rod (31) is rotatably connected at the bottom of the junction box (3), a floating ball body (32) is slidably connected on the rod wall of the guide rod (31), a limiting ring (33) is further arranged on the guide rod (31), the limiting ring (33) is electrically connected with the junction box (3), sliding grooves (21) are formed in two sides of the support frame (2), moving mechanisms (5) are arranged on two sides of the guide rod (31) in the support frame (2), clamping mechanisms (6) are arranged on the moving mechanisms (5), the clamping mechanisms (6) can move along the sliding grooves (21) through the moving mechanisms (5), and a drainage mechanism (4) is arranged in the water tank (1), the drainage mechanism (4) is in signal connection with the junction box (3).

2. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 1, wherein: drainage mechanism (4) include baffle (41), water pump (42), drinking-water pipe (43) and drain pipe (44), baffle (41) fixed mounting is in the inside of water tank (1), water pump (42) fixed mounting is on baffle (41), drinking-water pipe (43) and drain pipe (44) respectively with the water inlet and the delivery port fixed connection of water pump (42), the one end that water pump (42) were kept away from in drinking-water pipe (43) stretches into water tank (1), water pump (42) pass through signal line (45) and terminal box (3) communication connection.

3. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 1, wherein: the moving mechanism (5) comprises a first motor (51), a screw rod (52) and a moving block (53), two groups of the screw rod (52) are arranged on two sides of the support frame (2), the screw rod (52) is rotatably arranged in the support frame (2), the first motor (51) is arranged on two sides of the inside of the waterproof box (9b), the output end of the first motor (51) is fixedly connected with the bottom of the screw rod (52), and the moving block (53) is in threaded connection with the two groups of the screw rods (52) on the same side.

4. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 3, wherein: the screw rod (52) is provided with a forward rotation switch (54) and a reverse rotation switch (55) respectively, the forward rotation switch (54) is arranged above the reverse rotation switch (55), and the forward rotation switch (54) and the reverse rotation switch (55) are both electrically connected with the first motor (51).

5. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 3, wherein: the clamping mechanism (6) comprises a sliding cylinder (61), a sliding rod (62), a scraper (63), a pull rod (64) and a first spring (65), the sliding barrel (61) passes through the sliding groove (21) and is fixedly arranged on the side wall of the moving block (53), one end of the slide bar (62) is connected in the slide cylinder (61) in a sliding way, the other end of the slide bar is arranged by penetrating through the moving block (53), the scraper (63) is rotationally connected with one end of the sliding rod (62) far away from the sliding cylinder (61), a cavity (621) is arranged in the sliding rod (62), one end of the pull rod (64) is rotatably connected in the cavity (621), the other end of the pull rod extends out of the sliding cylinder (61), one end of the first spring (65) is fixedly connected with one side of the sliding rod (62) close to the pull rod (64), the other end of the first spring is fixedly connected with one side of the inner wall of the sliding cylinder (61) far away from the sliding rod (62), the part of the pull rod (64) positioned in the cavity (621) is provided with a locking mechanism (7).

6. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 5, wherein: locking mechanism (7) are including spool (71), stay cord (72), fixture block (73) and second spring (74), spool (71) are fixed to be set up in pull rod (64) and stretch into the one end of cavity (621), fixture block (73) are provided with two sets ofly, fixture block (73) and the lateral wall sliding connection of cavity (621), two all connect through stay cord (72) between fixture block (73) and spool (71), two pass through second spring (74) fixed connection between fixture block (73), seted up on slide cartridge (61) with fixture block (73) assorted draw-in groove (611).

7. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 1, wherein: the inside central point of waterproof box (9b) puts and is provided with second motor (81), second motor (81) top is provided with first bull stick (82), the output shaft of first bull stick (82) one end and second motor (81), the bottom fixed connection of the other end and guide arm (31).

8. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 7, wherein: fixed cover on first bull stick (82) has been connected driving pulley (93), and first bull stick (82) both sides are provided with second bull stick (91) that the rotation set up on support frame (2), and fixed cover is connected with driven pulleys (94) on second bull stick (91), the transmission is connected with belt (95) between driving pulley (93) and both sides driven pulleys (94), the fixed sponge section of thick bamboo (92) that is provided with in second bull stick (91) top.

9. The tunnel drainage system connecting rod floating ball liquid level switch device as claimed in claim 1, wherein: be provided with supporting mechanism (9a) on support frame (2), supporting mechanism (9a) includes mounting panel (9a1), barrel (9a2), screw rod (9a3) and ball (9a5), mounting panel (9a1) are fixed to be set up in support frame (2) both sides edge, ball (9a5) rotate and set up in the inside of mounting panel (9a1), the one end and ball (9a5) fixed connection of barrel (9a2), the other end and screw rod (9a3) threaded connection, the one end rotation that barrel (9a2) was kept away from in screw rod (9a3) is connected with sucking disc (9a4), the top of mounting panel (9a1) is provided with bolt (9a6) of fixed ball (9a 5).