CN202202399U - Sewer and inspection well flushing sewage-suctioning truck - Google Patents

Abstract

The utility model discloses a sewer and inspection well flushing sewage-suctioning truck comprising a truck body with a water storage tank, wherein the truck body is provided with a sewage containing tank in front of the water storage tank; both the bottom parts of the water storage tank and the sewage containing tank are provided with blowdown valves; the upper opening of the water storage tank is provided with a drum type sewage screening device which is provided with a front opening and a rear opening; the front opening of the drum type sewage screening device is positioned at the upper opening part of the sewage containing tank; at the rear part of the water storage tank, the truck body is provided with a sewage pump and a prefiltration device which are communicated with a water outlet pipe of the water storage tank; the water outlet pipe of the water storage tank is provided with a water tank valve; the water out-pumping pipe of the sewage pump is connected with a flushing pipe and a water supply pipe; the water inlet of the prefiltration device is connected with a water suction pipe; the water outlet of the prefiltration device is communicated with the water outlet pipe of the water storage tank; the outer ends of the flushing pipe and the water suction pipe are provided with a flushing-suctioning device; the outlet end of the water supply pipe extends into the drum type sewage screening device; and the water supply pipe is provided with a control valve. The sewer and inspection well flushing sewage-suctioning truck not only lowers the labor intensity of workers but also increases the working efficiency.

Description

Sewer, inspection well flushing sewage suction truck

technical field

The utility model relates to a sewage suction truck for flushing sewers and manholes.

Background technique

The dredging and cleaning of sewer manholes in cities and towns is currently mainly done manually, which has high labor intensity, low work efficiency, endless digging, and cannot meet the needs of urban development.

Contents of the invention

The purpose of the utility model is to provide a sewer and manhole flushing sewage suction vehicle that can automatically absorb sludge, which not only reduces the labor intensity of operators, but also improves work efficiency.

The technical scheme of the utility model is: a sewer and inspection well flushing sewage suction vehicle, comprising a vehicle body with a water storage tank, the vehicle body is provided with a sewage storage tank at the front of the water storage tank, and the bottom of the water storage tank and the sewage storage tank Both are equipped with sewage valves, and the upper opening of the water storage tank is equipped with a front and rear opening drum type dirt screening device. A sewage pump and a coarse filtration device connected to the water tank outlet pipe of the water storage tank. The water tank valve is provided on the water tank outlet pipe. The pump outlet pipe of the sewage pump is respectively connected with a flushing pipe and a water supply pipe. The water outlet of the coarse filter device is connected with the water outlet pipe of the water storage tank. The outer ends of the above-mentioned flushing pipe and water suction pipe are provided with flushing and suction devices. With control valve.

The flushing device includes a valve body having a water inlet port, a water outlet port, and a water outlet nozzle, and a valve core located in the valve body, the water inlet port of the valve body is fixedly connected to the flushing pipe and communicates with each other, The water outlet interface of the valve body is connected to a nozzle through an elastic tube. The lower end of the water suction pipe is provided with a water suction pipe head with a first interface, a second interface and a third interface. The water suction pipe head is connected to the water suction pipe through the third interface. The water outlet on the valve body is inserted into the first interface of the water suction pipe head, and the water outlet and the first interface are sealed and fixed. The upper part of the water outlet is tapered with a narrow top and a wide bottom. A protruding ring is provided above the spout, the above-mentioned second interface is set on the head of the water suction pipe below the protruding ring, and a section of elastic sewage suction pipe extending downward is connected to the second interface, and the lower end of the elastic sewage suction pipe is connected to a The dirt suction cover, the lower periphery of the dirt suction cover is provided with a plurality of dirt suction openings at intervals, the valve core has a linkage rod protruding from the valve body, and the linkage rod is connected to the operating device at the front of the car body through the brake line , the operating device can drive the valve core to rotate through the brake line and the linkage rod. The valve core has three working states. In the first working state, the flushing pipe is connected to the nozzle through the diversion channel of the valve core alone. In the second working state, The flushing pipe communicates with the water suction pipe and the nozzle simultaneously through the diversion passage of the valve core, and in the third working state, the flushing pipe communicates with the water suction pipe separately through the diversion passage of the valve core.

In order to make it easier for the operator to observe the working status of the flushing pipe and the water suction pipe in time, the upper part of the flushing water pipe and the water suction pipe has a section of transparent pipe.

The operating device includes a fixed seat fixed on the car body, an operating rod that can move up and down in the fixed seat, the operating rod is connected with the above-mentioned brake line, one end of the operating rod is connected with the above-mentioned brake line, and the other end of the operating rod extends Out of the opening of the fixing seat, the operating rod is provided with three hooks arranged at intervals up and down. The operating rod can be positioned at different heights by hooking the side wall of the opening edge of the fixing seat through the hooks, and then the valve core can be positioned at different heights. Positioning in three working states.

The front side of the body is also provided with a lifting device for lifting the water suction pipe and the flushing pipe. The lifting device includes a frame fixed on the valve body, a first linkage rod pinned to the frame, a second linkage rod pinned between the first linkage rod and the vehicle body, and a second linkage rod pinned to the vehicle body. The operating arm on the body and the fixed plate fixed on the car body, the movable end of the operating arm is provided with a positioning hook, and the fixed plate is provided with a plurality of positioning pins for the positioning hook to be hooked. The arm is provided with a second steering wheel, the second linkage rod is fixedly connected with one end of the stay rope, and the other end of the stay rope is connected and fixed with the chassis of the car body after bypassing the second steering wheel.

The lifting device also includes a roller for the water suction pipe and the flushing pipe to wind around, and the roller is arranged on the front strut at the front side of the vehicle body through a spring.

The frame is provided with two front and rear third steering wheels, one end of the brake line is connected to the operating mechanism, the other end is wound behind the two third steering wheels, and a tension spring is connected between the fixed block of the frame, The part of the brake line between the two third steering wheels is fixedly connected with the linkage rod so as to drive the linkage rod to rotate back and forth.

The drum-type dirt screening device includes a bracket fixed on the car body, a drum that is connected to the bracket through a rotating shaft, and a motor for driving the drum to rotate. The drum is set with a low front and a high rear. shape structure.

The water storage tank is equipped with a water level display device, the water level display device includes a casing fixed in the water storage tank, an inner rod inserted in the casing and movable up and down relative to the casing, and a floating ball fixed to the lower end of the inner rod , the water level display ball which is connected and fixed with the upper end of the inner rod through the interlocking rope and located outside the water storage tank, and the two first steering wheels arranged at the upper edge of the water storage tank, and the interlocking rope is wound on the two first steering wheels .

The coarse filtration device comprises a treatment box, and a filter screen is arranged in the treatment box, and the filter screen separates the treatment box into a first treatment chamber and a second treatment chamber, the water inlet of the coarse filtration device is arranged on the first treatment chamber, and the coarse filtration The water outlet of the device is arranged on the second treatment chamber, the water outlet of the coarse filtration device is lower than the water outlet of the water storage tank, and the bottom of the first treatment chamber is provided with a drain valve.

Because the water in the water storage tank may become turbid and precipitate to produce sludge after the flushing and sewage suction truck works for a long time, the bottom of the water storage tank is provided with a drain valve to facilitate sewage discharge.

The utility model uses steps as follows:

Step 1: First put the nozzle, suction cover and frame into the inspection well through the lifting device, then open the valve of the water tank, start the sewage pump and use the operating device to adjust the spool of the flushing device to the first working state. At this time, the water storage tank After the water inside passes through the outlet pipe of the water tank, the sewage pump, the pump outlet pipe, the flushing pipe and the nozzle, the bottom of the inspection well is washed away, and the sludge in the inspection well is washed and mixed with water to form sewage;

Step 2: Use the operating device to adjust the spool of the flushing device to the second working state and open the control valve on the water supply pipe. Part of the water in the flushing pipe continues to be sprayed from the nozzle, and the other part enters the suction pipe through the nozzle , because the upper part of the water outlet is tapered, and the corresponding convex ring is set in the water suction pipe head, the water suction pipe head forms a high pressure above the mouth of the water outlet, and forms a negative pressure below the mouth of the water outlet, so that the sewage in the inspection well can be The sewage is sucked into the suction pipe through the sewage suction cover and the elastic sewage suction pipe. After being filtered by the coarse filter device, the sewage enters the sewage pump together with the clean water in the water storage tank, and part of it is sprayed out from the flushing pipe through the pump outlet pipe, and part of it flows into the water supply pipe. The water entering the drum type dirt screening device, the water filtered by the drum type dirt screening device flows downward into the water storage tank, and the filtered sludge falls into the dirt storage tank in front of the water storage tank because the drum is tilted. Inside.

Step 3: After the inspection well is flushed, use the operating device to adjust the valve core of the flushing and suction device to the third working state, so that the flushing and suction device enters the state of only sucking but not flushing.

Step 4: After the sewage suction cover has basically sucked up the sewage in the inspection well, close the water tank valve and the sewage pump, and then use the lifting device to raise the nozzle, sewage suction cover and frame, so that they are separated from the inspection well and higher than the ground for flushing The sewage suction truck goes forward to the next inspection well to carry out the sewage suction work again.

The utility model has the advantages of:

1. The utility model can not only flush the inspection well, but also automatically absorb the sediment and sewage generated after flushing, which greatly reduces the cleaning workload of the sewer and the inspection well.

, The utility model not only recycles the sewage produced after flushing, but also filters and separates the recovered sewage, so that the cleaner water can be reused to save water, and the filtered sludge is additionally entered into the sewage tank for for subsequent processing.

, The utility model is used in rainy days, and can also absorb rainwater, which is not only environmentally friendly, but also saves water.

3. The utility model is provided with a plurality of positioning pins for positioning hooks on the fixed plate, so as to adjust the height position of the nozzle in the inspection well according to the depth of the inspection well or sewer, so that the flushing and sewage suction truck is suitable for various The use of inspection wells and sewers.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a cross-sectional view of the suction device in the first working position A;

Fig. 3 is a cross-sectional view of the suction device in the second working position B;

Fig. 4 is a cross-sectional view of the flushing device at the third working position C.

Among them: 1 water storage tank; 2 car body; 3 sewage tank; 4 drum type sewage screening device; 5 water tank outlet pipe; 6 sewage pump; 7 coarse filter device; 8 pump outlet pipe; 9 flushing pipe; Water inlet; 12 water suction pipe; 13 water outlet; 14 flushing and suction device; 15 control valve; 16 nozzle; 17 valve body; 18 water nozzle; line; 24 operating device; 25 diversion channel; 26 fixed seat; 27 operating rod; 28 suction pipe head; 29 hook; 30 bracket; 31 rotating shaft; 36 water level display ball; 37 first steering wheel; 38 floating ball; 39 bushing; 40 first interface; 41 second interface; 42 third interface; 43 treatment box; 2 treatment room; 47 water tank outlet; 48 inner rod; 49 second steering wheel; 50 roller; 51 elastic sewage suction pipe; 52 lifting device; 53 frame; 54 first linkage rod; Operating arm; 57 fixed plate; 58 pull rope; 59 positioning pin; 60 spring; 61 sewage suction cover; 62 sewage suction opening; 63 front strut; 64 sewage valve; 68 extension springs; 69 water tank valves; 70 transparent windows.

Detailed ways

Embodiment: As shown in Figures 1 to 4, a sewer and manhole flushing and sewage suction truck includes a car body 2 with a water storage tank 1, and the car body 2 is provided with a sewage tank 3 at the front of the water storage tank 1. The bottoms of the water storage tank 1 and the sewage storage tank 3 are equipped with a sewage valve 64, and the upper opening of the water storage tank 1 is provided with a front and rear opening of the drum type dirt screening device 4, and the front opening of the drum type dirt screening device 4 is located in the sewage storage tank 3 The upper opening of the upper opening of the water tank 1, the car body 2 is provided with a sewage pump 6 and a coarse filter device 7 connected with the water tank outlet pipe 5 of the water storage tank 1 at the rear of the water storage tank 1, and the water tank outlet pipe 5 is provided with a water tank valve 69, and the sewage pump The pump outlet pipe 8 of 6 is respectively connected with a flushing pipe 9 and a water supply pipe 10, the water inlet 11 of the coarse filter device 7 is connected with a water suction pipe 12, and the water outlet 13 of the coarse filter device 7 is connected with the water tank outlet pipe 5 of the water storage tank 1 The outer ends of the flushing pipe 9 and the suction pipe 12 are provided with a flushing device 14, the outlet end of the above-mentioned replenishment pipe 10 extends into the drum type dirt screening device 4, and the replenishment pipe 10 is provided with a control valve 15.

The flushing device 14 includes a valve body 17 having a water inlet port 65, a water outlet port 66 and a water outlet nozzle 18, and a valve core 21 located in the valve body 17, the water inlet port 65 of the valve body 17 is connected to the The flushing pipe 9 is fixedly connected and communicated with each other. The outlet port 66 of the valve body 17 is connected to a nozzle 16 through the elastic pipe 19. The lower end of the water suction pipe 12 is provided with a first port 40, a second port 41 and a third port 42. The water suction pipe head 28, the water suction pipe head 28 is connected with the water suction pipe 12 through the third interface 42, the water outlet 18 on the valve body 17 is inserted in the first interface 40 of the water suction pipe head 28, and the water outlet 18 is connected with the first water suction pipe head 28. One interface 40 is sealed and fixed. The upper part of the spout 18 is tapered with a narrow top and a wide bottom. The inner wall of the water suction pipe head 28 is provided with a convex ring 20 above the spout 18. The second interface 41 is set on the convex ring. On the water suction pipe head 28 below 20, and the second interface 41 is connected with a section of elastic sewage suction pipe 51 extending downward, the lower end of the elastic sewage suction pipe 51 is connected with a sewage suction cover 61, the lower peripheral edge of the sewage suction cover 61 There are a plurality of sewage suction openings 62 arranged at intervals, and the valve core 21 has a linkage rod 22 stretching out from the valve body 17. An extension spring 60 is arranged between the linkage lever and the vehicle body, and the linkage lever 22 passes through the brake line 23 and The operating device 24 on the car body 2 is connected, and the operating device 24 can drive the spool 21 to rotate through the brake line 23 and the linkage rod 22. The spool 21 has three working states. During the first working state, as shown in Figure 2, The flushing pipe 9 communicates with the nozzle 16 alone through the diversion passage 25 of the valve core 21. In the second working state, as shown in FIG. In the third working state, as shown in FIG. 4 , the flushing pipe 9 communicates with the water suction pipe 12 alone through the guide channel 25 of the valve core 21 .

The operating device 24 includes a fixed seat 26 fixed on the car body 2, an operating lever 27 that can move up and down in the fixed seat 26, one end of the operating lever 27 is connected with the above-mentioned brake line 23, and the other end of the operating lever 27 stretches out and is fixed. The opening of the seat 26, the operating rod 27 is provided with three hooks 29 arranged at intervals up and down, the operating rod 27 hooks the side wall of the opening edge of the fixing seat 26 through the hooks 29 to realize its positioning at different heights, and then Realize the positioning of the spool 21 in three working states.

In order for the operator to observe the working status of the flushing pipe 9 and the water suction pipe 12 in time, a section of transparent pipe 70 is provided on the upper part of the flushing pipe 9 and the water suction pipe 12 .

The front side of the body 2 is also provided with a lifting device 52 for lifting the water suction pipe 12 and the flushing water pipe 9 . The lifting device 52 includes a frame 53 fixed on the valve body 17 , a first link 54 pinned to the frame 53 , a second link pinned between the first link 54 and the vehicle body 2 . The moving rod 55, the operating arm 56 pinned to the car body 2 and the fixed plate 57 fixed on the car body 2, the movable end of the operating arm 56 is provided with a positioning hook, and the fixed plate 57 is provided with A plurality of locating pins 59 for the locating hook to be set before and after, the above-mentioned operating arm 56 is provided with a second steering wheel 49, the second linkage rod 55 is fixedly connected with one end of a stay cord 58, and the other end of the stay cord 58 walks around the The second steering wheel 49 is connected and fixed with the chassis of the vehicle body 2 behind.

The lifting device 52 also includes a roller 50 for the water suction pipe 12 and the flushing pipe 9 to wind around, and the roller 50 is arranged on the front strut 63 on the front side of the vehicle body 2 through a spring 60 .

The frame 53 is provided with two third steering wheels 67 front and back, one end of the brake line 23 is connected to the operating mechanism 24, and the other end is wound around the back of the two third steering wheels 67, and between the fixed block of the frame 53. A tension spring 68 is connected between them, and the part of the brake line 23 between the two third steering wheels 67 is fixedly connected with the linkage rod 22 so as to drive the linkage rod 22 to rotate back and forth.

The drum type dirt screening device 4 includes a bracket 30 fixed on the car body 2, a drum 32 that is rotatably connected to the bracket 30 through a rotating shaft 31, and a motor 33 for driving the drum 32 to rotate. Highly inclined, the drum wall has a mesh structure.

The water storage tank 1 is provided with a water level display device 34, the water level display device 34 includes a sleeve 39 fixed in the water storage tank 1, an inner rod 48 inserted in the sleeve 39 and movable up and down relative to the sleeve 39, The floating ball 38 connected and fixed to the lower end of the inner rod 48, the water level display ball 36 which is connected and fixed to the upper end of the inner rod 48 through the interlocking rope 35 and located outside the water storage tank 1, and two first steering wheels arranged on the upper edge of the water storage tank 1 Wheels 37, the interlocking rope 35 is wound on the two first turning wheels 37.

Described coarse filtration device 7 comprises processing case 43, is provided with filter screen 44 in the processing case 43, and processing case 43 is divided into first processing chamber 45 and second processing chamber 46 by filter screen 44, and the water inlet 11 of coarse filtration device 7 Set on the first treatment chamber 45, the water outlet 13 of the coarse filter device 7 is arranged on the second treatment chamber 46, the water outlet 13 of the coarse filter device 7 is lower than the water tank water outlet 47 of the water storage tank 1, the first A drain valve 64 is provided at the bottom of a processing chamber 45 .

Since the flushing and sewage suction truck works for a long time, the water in the water storage tank 1 will also be turbid and precipitate to produce sludge, so the bottom of the water storage tank 1 is provided with a drain valve 64 to facilitate sewage discharge.

The utility model uses steps as follows:

Step 1: first put the nozzle 16, the suction cover 61 and the frame 53 into the inspection well through the lifting device 52, then open the water tank valve 69, start the sewage pump 6 and use the operating device 24 to adjust the valve core 21 of the flushing device 14 to In the first working state, the water in the water storage tank 1 now passes through the water tank outlet pipe 5, the sewage pump 6, the pump outlet pipe 8, the flushing pipe 9 and the nozzle 16 to flush the bottom of the inspection well, and the sludge in the inspection well is washed and mixed with water. , forming sewage;

Step 2: Use the operating device 24 to adjust the spool 21 of the flushing device 14 to the second working state and open the control valve 15 on the water supply pipe 10, part of the water in the flushing pipe 9 continues to be sprayed from the nozzle 16, and the other part Then enter the water suction pipe 12 through the water outlet 18, because the upper part of the water outlet 18 is conical, and the corresponding convex ring 20 is set in the water suction pipe head 28, the water suction pipe head 28 forms a high pressure above the mouth of the water outlet 18, and the water outlet Negative pressure is formed below the mouth of 18, so that the sewage in the inspection well can be sucked into the water suction pipe 12 through the sewage suction cover 61 and the elastic sewage suction pipe 51, and the sewage is filtered by the coarse filter device 7 and enters the sewage pump together with the clear water in the water storage tank 1 6. Part of it is sprayed out from the flushing pipe 9 through the pump outlet pipe 8, and part of it flows into the water supply pipe 10. The water in the water supply pipe 10 enters the drum type dirt screening device 4, and the water filtered by the drum type dirt screening device 4 flows downward. In the water storage tank 1, the filtered sludge falls into the sewage tank 3 in front of the water storage tank 1 because the drum 32 is inclined.

Step 3: After the inspection well is flushed, use the operating device 24 to adjust the valve core 21 of the flushing device 14 to the third working state, so that the flushing device 14 enters the state of only sucking but not flushing.

Step 4: After the sewage suction cover 61 basically absorbs the sewage in the inspection well, close the water tank valve 69 and the sewage pump 6, and then use the lifting device 52 to raise the nozzle 16, the sewage suction cover 61 and the frame 53, so that they are separated from the inspection well And it is higher than the ground, so that the sewage suction truck can be flushed and moved forward to the next inspection shaft to carry out the sewage suction work again.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (10)

1. a sewer, inspection shaft wash suction-type sewer scavenger; It is characterized in that: comprise the have storage tank car body (2) of (1); Car body (2) is provided with in the front portion of storage tank (1) and puts dirty case (3); Said storage tank (1) and the bottom of putting dirty case (3) are equipped with blowoff valve (64); The drum-type of opening was sieved dirty device (4) before and after upper shed place of storage tank (1) was provided with; The open front that drum-type is sieved dirty device (4) is positioned at the upper shed portion of putting dirty case (3), and car body (2) is provided with foul water pump (6) and the rough filtering device (7) that is communicated with the radiator drain (5) of storage tank (1) in the rear portion of storage tank (1), and radiator drain (5) is provided with Cistern valve (69); The water pump outlet pipe (8) of foul water pump (6) is connected with jet water spout (9) and filling pipe (10) respectively; The water inlet (11) of rough filtering device (7) locates to be connected with suction water pipe (12), and the delivery port (13) of rough filtering device (7) is communicated with the radiator drain (5) of storage tank (1), and the outer end of above-mentioned jet water spout (9) and suction water pipe (12) is provided with to dash inhales device (14); The port of export of above-mentioned filling pipe (10) stretches into drum-type and sieves in the dirty device (4), and filling pipe (10) is provided with control valve (15).

2. sewer according to claim 1, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: the said suction device (14) that dashes comprises the valve body (17) with water inlet interface (65), a water outlet interface (66) and a faucet (18); And spool (21) that is positioned at above-mentioned valve body (17); The water inlet interface (65) of valve body (17) is connected fixing and is interconnected with jet water spout (9); The water outlet interface (66) of valve body (17) is connected with a shower nozzle (16) through elastic tube (19); The lower end of said suction water pipe (12) be provided with have first interface (40), the suction tube head (28) of second interface (41) and the 3rd interface (42), suction tube head (28) is connected with suction water pipe (12) through the 3rd interface (42), the faucet (18) on the said valve body (17) is inserted in first interface (40) of the tube head (28) that absorbs water; And be sealedly connected and fixed between faucet (18) and first interface (40); The top of faucet (18) is up-narrow and down-wide taper, and the inwall of suction tube head (28) is provided with bulge loop (20) in the top of faucet (18), and above-mentioned second interface (41) is arranged on the suction tube head (28) of bulge loop (20) below; And be connected with one section on second interface (41) to the elasticity dirt sucking tube (51) that extends below; The lower end of elasticity dirt sucking tube (51) is connected with a soil pick-up cover (61), the next week of soil pick-up cover (61) along at interval be furnished with a plurality of soil pick-up openings (62), said spool (21) has the trace (22) that stretches out valve body (17); Extension spring (60) is set between trace and the car body; Trace (22) is connected with operating means (24) on the car body (2) through brake cable (23), and operating means (24) can pass through brake cable (23) and trace (22) drive spool (21) rotation, and spool (21) has three duties; During first duty; Jet water spout (9) is communicated with shower nozzle (16) separately through the flow-guiding channel (25) of spool (21), and during second duty, jet water spout (9) is communicated with suction water pipe (12), shower nozzle (16) through the flow-guiding channel (25) of spool (21) simultaneously; During the 3rd duty, jet water spout (9) is communicated with suction water pipe (12) separately through the flow-guiding channel (25) of spool (21).

3. sewer according to claim 2, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said operating means (24) comprises the holder (26) that is fixed on the car body (2); The action bars (27) that can move up and down in the holder (26); One end of action bars (27) is connected with above-mentioned brake cable (23); The other end of action bars (27) stretches out the opening of holder (26); Said action bars (27) is provided with three spaced apart trips of upward and downward (29), and action bars (27) is realized its location at differing heights through the sidewall that trip (29) hooks holder (26) opening edge edge, and then realizes the location of spool (21) when three duties.

4. according to claim 2 or 3 described sewers, inspection shaft flushing suction-type sewer scavenger, it is characterized in that: the front side of said body (2) also is provided with the lifting gear (52) that is used to go up and down suction water pipe (12) and jet water spout (9).

5. sewer according to claim 4, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said lifting gear (52) comprises second trace (55) between first trace (54) and car body (2) of the framework (53) that is installed on the valve body (17), first trace (54) that is connected with framework (53) pin joint, pin joint, pin joint is at the motion arm (56) on the car body (2) and be installed in the fixed head (57) on the car body (2); The movable end place of said motion arm (56) is provided with location hook; The alignment pin (59) that a plurality of confession location hook hooks were established before and after said fixed head (57) was provided with; Aforesaid operations arm (56) is provided with second deflecting roller (49); Second trace (55) is fixedly connected with an end of stay cord (58), and the other end of stay cord (58) is walked around this second deflecting roller (49) back and is connected fixing with car body (2) chassis.

6. sewer according to claim 5, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said lifting gear (52) also comprises the roller (50) that supplies suction water pipe (12) and jet water spout (9) winding, and roller (50) is arranged on the front strut (63) of car body (2) front side through spring (60).

7. sewer according to claim 4, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said framework (53) is provided with former and later two the 3rd deflecting rollers (67); Said brake cable (23) one ends are connected on the operating mechanism (24); After the other end is set around this two the 3rd deflecting roller (67); And be connected with extension spring (68) between the fixed block of framework (53), brake cable (23) part that is positioned between this two the 3rd deflecting roller (67) is fixedly connected with trace (22), so that rotate before and after driving trace (22).

8. according to claim 1 or 2 or 3 described sewers, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said drum-type is sieved the cylinder (32) that dirty device (4) comprises the support (30) that is fixed on the car body (2), is rotationally connected through rotating shaft (31) and support (30); And be used for the motor (33) that head roll (32) rotates; Low early and high after being obliquely installed of said cylinder (32), cylinder wall is net structure.

9. according to claim 1 or 2 or 3 described sewers, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said storage tank (1) is provided with level displaying device (34); This level displaying device (34) comprise be installed in storage tank (1) inner sleeve (39), be plugged in the sleeve pipe (39) and relatively the interior bar (48) that moves up and down of sleeve pipe (39), is connected fixing ball float (38) with interior bar (48) lower end, fixes and be positioned at the water level display ball (36) of storage tank (1) outside and be arranged on two first deflecting rollers (37) that storage tank (1) upper edge is located through being connected on interlock rope (35) and the interior bar (48), said interlock is restricted (35) winding on two first deflecting rollers (37).

10. according to claim 1 or 2 or 3 described sewers, inspection shaft flushing suction-type sewer scavenger; It is characterized in that: said rough filtering device (7) comprises treatment box (43); Be provided with filter screen (44) in the treatment box (43); Filter screen (44) is separated into first process chamber (45) and second process chamber (46) with treatment box (43); The water inlet (11) of rough filtering device (7) is located on first process chamber (45); The delivery port (13) of rough filtering device (7) is located on second process chamber (46), and the delivery port (13) of said rough filtering device (7) is lower than the water outlet of water tank (47) of storage tank (1), and the bottom of said first process chamber (45) is provided with blowoff valve (64).

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