CN203613637U - Sewage suction truck - Google Patents
Sewage suction truck Download PDFInfo
- Publication number
- CN203613637U CN203613637U CN201320633106.6U CN201320633106U CN203613637U CN 203613637 U CN203613637 U CN 203613637U CN 201320633106 U CN201320633106 U CN 201320633106U CN 203613637 U CN203613637 U CN 203613637U
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- Prior art keywords
- vacuum pump
- control valve
- strainer
- pipe
- suction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000010865 sewage Substances 0.000 title abstract description 10
- 239000002516 radical scavenger Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000498 cooling water Substances 0.000 claims description 20
- 239000010687 lubricating oil Substances 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011499 joint compound Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model discloses a sewage suction truck which comprises a frame, a tank body, a sewage suction pipe, a sewage drainage pipe, a gas suction pipe, a gas exhaust pipe, a gas supply pipe, a first-stage vacuum pump and a second-stage vacuum pump, wherein one end of the gas suction pipe is connected with the tank body, and the other end of the gas suction pipe is connected with a first filter; a first control valve and a gas inlet control valve are arranged on the gas suction pipe in sequence; the downstream end of the first filter is connected with the first-stage vacuum pump and the second-stage vacuum pump in sequence through pipelines; the downstream end of the second-stage vacuum pump is connected with a second filter through the gas exhaust pipe; a second control valve is arranged on the gas exhaust pipe; one end of the gas supply pipe is connected to the downstream end of the second-stage vacuum pump, and the other end of the gas supply pipe is connected between the first control valve of the gas suction pipe and the tank body; a third control valve is arranged on the gas supply pipe. Under the common action of flowing of air and atmospheric pressure, the sewage suction truck conveys drifts into the tank body; the sewage suction pipe of the sewage suction truck does not need to be inserted into a closed liquid level to work; the working efficiency is high, sewage suction is thoroughly implemented, and the suction height is larger.
Description
Technical field
The utility model relates to environmental sanitation instrument field, particularly relates to a kind of suction-type sewer scavenger.
Background technology
Suction-type sewer scavenger is collection, transfer cleaning transportation mud, sewage, avoid the Novel environmental-sanitation vehicle of secondary pollution, suction-type sewer scavenger can self-suction discharge, operating rate is fast, capacity is large, convenient transportation, is particularly suitable for suction, shipment and the disposing of the deposit in sewer, especially can inhale the larger objects such as sewer mud, mud, stone, fragment of brick.
Existing suction-type sewer scavenger has following problem:
1. the dirt sucking tube of suction-type sewer scavenger need to be inserted in and under airtight liquid level, carry out operation, the mouth of pipe of dirt sucking tube can not have air to enter, once enter air, attract Speed Reduction, even can not attract operation, therefore, in the time that the degree of depth of deposit is more shallow, the operating efficiency of suction-type sewer scavenger is low, can not be by thorough deposit sucking-off;
2. the suction lift of suction-type sewer scavenger is lower, and the vacuum pump of suction-type sewer scavenger is the pressure that utilizes atmosphere, and object is pressed in tank body, the density of deposit is conventionally larger, and the suction lift of suction-type sewer scavenger generally high energy reaches 7m, narrow application range, if the degree of depth of deposit is greater than 7m, suction-type sewer scavenger will be difficult to work.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of suction-type sewer scavenger is provided, this suction-type sewer scavenger utilizes flowing and atmospheric pressure acting in conjunction of air, deposit is transported in tank body, the dirt sucking tube of suction-type sewer scavenger does not need to insert and under airtight liquid level, carries out operation, operating efficiency is high, and soil pick-up is thorough, and suction lift is higher.
The purpose of this utility model is achieved in that
A kind of suction-type sewer scavenger, comprise vehicle frame, be fixed on the tank body on vehicle frame, and be arranged on the dirt sucking tube on tank body, blow-off pipe, appendix, described dirt sucking tube, on blow-off pipe, be respectively equipped with flow control valve, described appendix is connected with vacuum pump, described appendix comprises exhaust tube, stack, air supply pipe, described vacuum pump comprises one-level, two-stage vacuum pump, one end of described exhaust tube connects tank body, the other end connects the first strainer, on exhaust tube, set gradually the first control valve, air intake control valve, one end of described air intake control valve is communicated with exhaust tube, the other end is air inlet, the downstream of the first strainer connects one-level successively by pipeline, two-stage vacuum pump, the pump chamber of one-level vacuum pump is greater than the pump chamber of two-stage vacuum pump, the downstream of two-stage vacuum pump connects the second strainer by stack, the second strainer is provided with exhaust opening, the second control valve is set on described stack, the second control valve of stack, between the second strainer, connect one end of uniguide, the other end of uniguide is connected in one-level, pipeline between two-stage vacuum pump, exhaust check valve is set on uniguide, make one-level vacuum pump form path between the second strainer, one end of described air supply pipe is connected in the downstream of two-stage vacuum pump, the other end is connected between first control valve and tank body of exhaust tube, the 3rd control valve is set on air supply pipe, described one-level, two-stage vacuum pump, first, the second strainer is installed on vehicle frame.
Between the first control valve of described exhaust tube, the first strainer, be provided with negative pressure of vacuum safety valve, one end of this negative pressure of vacuum safety valve is communicated with exhaust tube, and the other end is negative pressure inlet hole.
Described stack is provided with relief tube, and the two ends of relief tube lay respectively at the both sides of the second control valve, and relief valve is set on relief tube, and the leakage port of this relief valve is communicated with the second strainer by relief tube, stack.
Described first, second strainer is the sealing radiator for splendid attire filtered water, and the upstream extremity of first, second strainer is air inlet port, and downstream is exhaust opening.
Described the second strainer connects a cooling water pipe, and one end of this cooling water pipe is communicated with the sealing radiator of the second strainer, and the other end is connected in one-level vacuum pump upstream extremity.
Described cooling water pipe is provided with lubricating oil pipe, and one end of lubricating oil pipe is communicated with cooling water pipe, and the other end is communicated with grease-box, and lubricating oil pipe is provided with lubricating oil control valve.
On the housing of described one-level, two-stage vacuum pump, be respectively equipped with cooling duct, one end of cooling duct is communicated with the pump chamber of corresponding vacuum pump, the other end connects air filter, and cooling duct is provided with cooling air one way valve, makes the unidirectional pump chamber that enters vacuum pump of cooling air.
Described vehicle frame is provided with the variometer of a hermetically-sealed construction, on this variometer, be respectively equipped with vacuum meter, pressure meter, and two ventilating pipes, wherein a ventilating pipe is connected in exhaust tube, one end that this ventilating pipe is connected with exhaust tube is between tank body and the first control valve, and another root ventilating pipe is connected in the upstream extremity of one-level vacuum pump.
Described one-level, two-stage vacuum pump are fabricated to one.
Owing to having adopted such scheme, when suction-type sewer scavenger soil pick-up, open the flow control valve on dirt sucking tube, and first, second control valve, close the flow control valve on blow-off pipe, and the 3rd control valve, air intake control valve, gas enters tank body through the suction port of dirt sucking tube, then enters the first strainer by the first control valve, air enters in one-level vacuum pump pump chamber after filtering, enter again in two-stage vacuum pump pump chamber, then enter the second strainer by the second control valve, after filtration, enter atmosphere.When suction-type sewer scavenger forced-ventilated, open the 3rd control valve, air intake control valve, close first, second control valve, gas enters the first strainer through air intake control valve, enters after filtering in one-level vacuum pump pump chamber, then enters in two-stage vacuum pump pump chamber, enter in tank body by the 3rd control valve again, along with gas increases, pressure increases, and the object in tank body is extruded to tank body.This suction-type sewer scavenger adopts one-level, two-stage vacuum pump series connection, the pump chamber of one-level vacuum pump is greater than the pump chamber of two-stage vacuum pump, one-level vacuum pump increases air velocity, two-stage vacuum pump vacuumizes, can attract the particle such as stone, dust dress material and attract the free gas of the mouth of pipe to enter the use that also can not affect vehicle, utilize flowing and atmospheric pressure acting in conjunction of air, deposit is transported in tank body, the dirt sucking tube of suction-type sewer scavenger does not need to insert and under airtight liquid level, carries out operation, operating efficiency is high, soil pick-up is thorough, and suction lift is higher.While entering two-stage vacuum pump pump chamber by the air of one-level vacuum pump pump chamber, because of two-stage vacuum pump pump chamber less, the air of coming from one-level vacuum pump pump chamber in the situation that Vacuum Pressure is lower cannot all pass through, cannot directly enter after the second strainer filters and enter atmosphere through uniguide by the air of two-stage vacuum pump pump chamber, uniguide is provided with exhaust check valve, prevents that the air that two-stage vacuum pump pump chamber is discharged from being sucked back from intake again.
Between the first control valve of exhaust tube, the first strainer, be provided with negative pressure of vacuum safety valve, one end of this negative pressure of vacuum safety valve is communicated with exhaust tube, and the other end is negative pressure inlet hole.When vacuum exceedes after the value of setting, negative pressure of vacuum safety valve is opened automatically, sucks gas, protection equipment from the external world.
Stack is provided with relief tube, and the two ends of relief tube lay respectively at the both sides of the second control valve, and relief valve is set on relief tube, and the leakage port of this relief valve is communicated with the second strainer by relief tube, stack.After the force value in stack is greater than the force value of setting, pressure line breaker is opened automatically, and gas enters the second strainer through pressure line breaker, enters after filtering atmosphere.
First, second strainer is the sealing radiator for splendid attire filtered water, and the upstream extremity of first, second strainer is air inlet port, and downstream is exhaust opening.Gas, after the filtered water of splendid attire in air inlet port enters first, second strainer is filtered, is discharged from exhaust opening, and the rubbish not reclaimed completely at tank body, carries out filtered and recycled again by first, second strainer.
The second strainer connects a cooling water pipe, and one end of this cooling water pipe is communicated with the sealing radiator of the second strainer, and the other end is connected in one-level vacuum pump upstream extremity.One-level, two-stage vacuum pump running, form negative pressure, and the water in the second strainer is entered in one-level vacuum pump chamber, enter again in two-stage vacuum pump chamber, finally again enter the second strainer with gas, recycle, have the effects such as cooling vacuum pump, the inner cleaning of vacuum pump and inner gap sealing.Described cooling water pipe is provided with lubricating oil pipe, and one end of lubricating oil pipe is communicated with cooling water pipe, and the other end is communicated with grease-box, lubricating oil pipe is provided with lubricating oil control valve, in use, and can be by opening lubricating oil control valve, suck lubrication oil, make vacuum pump better lubricated.
On the housing of one-level, two-stage vacuum pump, be respectively equipped with cooling duct, one end of cooling duct is communicated with the pump chamber of corresponding vacuum pump, the other end connects air filter, and one-level, two-stage vacuum pump running, form negative pressure, extraneous air is entered in one-level, two-stage vacuum pump, cold air enters one-level vacuum pump, two-stage vacuum pump through air filter, assists coolingly, suppresses to produce the heat of compression and power loss because of vacuum pump, cause the temperature of recirculated cooling water to raise, the reduction of attraction power.Cooling duct is provided with cooling air one way valve, to prevent the gas backflow in vacuum pump.
Vehicle frame is provided with the variometer of a hermetically-sealed construction, on this variometer, be respectively equipped with vacuum meter, pressure meter, and two ventilating pipes, wherein a ventilating pipe is connected in exhaust tube, vacuum meter coordinates with this ventilating pipe, the Vacuum Pressure when measuring suction-type sewer scavenger soil pick-up; Another root ventilating pipe is connected in the upstream extremity of one-level vacuum pump, and pressure meter coordinates with this ventilating pipe, and the force feed when measuring suction-type sewer scavenger forced-ventilated is pressed.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the syndeton schematic diagram of cooling water pipe;
Fig. 3 is the syndeton schematic diagram of cooling duct;
Fig. 4 is structure diagram of the present utility model.
In accompanying drawing, 1 is vehicle frame, 2 is tank body, 3 is dirt sucking tube, 4 is blow-off pipe, 5 is flow control valve, 6 is exhaust tube, 7 is stack, 8 is air supply pipe, 9 is one-level vacuum pump, 10 is two-stage vacuum pump, 11 is the first strainer, 12 is the second strainer, 13 is the first control valve, 14 is the second control valve, 15 is the 3rd control valve, 16 is air intake control valve, 17 is uniguide, 18 is exhaust check valve, 19 is negative pressure of vacuum safety valve, 20 is relief tube, 21 is relief valve, 22 is cooling water pipe, 23 is lubricating oil pipe, 24 is lubricating oil control valve, 25 is cooling duct, 26 is air filter, 27 is cooling air one way valve, 28 is variometer, 29 is vacuum meter, 30 is pressure meter, 31 is ventilating pipe.
The specific embodiment
Referring to Fig. 1～Fig. 4, for a kind of embodiment of suction-type sewer scavenger, comprise vehicle frame 1, be fixed on the tank body 2 on vehicle frame 1, and be arranged on dirt sucking tube 3, blow-off pipe 4, the appendix on tank body 2, on described dirt sucking tube 3, blow-off pipe 4, be respectively equipped with flow control valve 5, in the present embodiment, flow control valve is butterfly valve.Described appendix is connected with vacuum pump, and described appendix comprises exhaust tube 6, stack 7, air supply pipe 8, and described vacuum pump comprises one-level, two- stage vacuum pump 9,10, further, described one-level, two- stage vacuum pump 9,10 are fabricated to one, and structure is more compact, takes up room less.One end of described exhaust tube 6 connects tank body 2, the other end connects the first strainer 11, on exhaust tube 6, set gradually the first control valve 13, air intake control valve 16, one end of described air intake control valve 16 is communicated with exhaust tube 6, and the other end is air inlet, in the present embodiment, air intake control valve is butterfly valve, in the time that vacuum pump starts, bring the overburden of motor, and discharge the valve of the vacuum in recycling can and each filtered and recycled device while stopping, be bolted in pipe-line system.The downstream of the first strainer 11 connects one-level, two- stage vacuum pump 9,10 successively by pipeline, and the pump chamber of one-level vacuum pump 9 is greater than the pump chamber of two-stage vacuum pump 10, and in the present embodiment, one-level vacuum pump increases air velocity, makes throughput reach 20m
3/ min, two-stage vacuum pump vacuumizes, and can arrive-96kPa.The downstream of two-stage vacuum pump 10 connects the second strainer 12 by stack 7, the second strainer 12 is provided with exhaust opening, the second control valve 14 is set on described stack 7, the second control valve 14 of stack 7, between the second strainer 12, connect one end of uniguide 17, the other end of uniguide 17 is connected in one-level, two-stage vacuum pump 9, pipeline between 10, exhaust check valve 18 is set on uniguide 17, make to form path between one-level vacuum pump 9 to second strainers 12, one end of described air supply pipe 8 is connected in the downstream of two-stage vacuum pump 10, the other end is connected between first control valve 13 and tank body 2 of exhaust tube 6, the 3rd control valve 15 is set on air supply pipe 8, described one-level, two- stage vacuum pump 9, 10, first, the second strainer 12 is installed on vehicle frame 1.
Further, between the first control valve 13 of described exhaust tube 6, the first strainer 11, be provided with negative pressure of vacuum safety valve 19, one end of this negative pressure of vacuum safety valve 19 is communicated with exhaust tube 6, and the other end is negative pressure inlet hole.Further, described stack 7 is provided with relief tube 20, and the two ends of relief tube 20 lay respectively at the both sides of the second control valve 14, and relief valve 21 is set on relief tube 20, and the leakage port of this relief valve 21 is communicated with the second strainer 12 by relief tube 20, stack 7.
Further, described first, second strainer 12 is the sealing radiator for splendid attire filtered water, splendid attire filtered water in sealing radiator, and the upstream extremity of first, second strainer 12 is air inlet port, downstream is exhaust opening.The liquid level below of cooling water in first, second strainer is inserted respectively in one end of described exhaust tube, stack, and then to air filtration.Attract long-time that after operation, the water in this tank can dirty, open draining valve and the conveying end that first, second strainer is provided with sewage is got rid of, carry out adding again after inner cleaning the water yield of needs.Further, described the second strainer 12 connects a cooling water pipe 22, and one end of this cooling water pipe 22 is communicated with the sealing radiator of the second strainer 12, and the other end is connected in one-level vacuum pump 9 upstream extremities.Further, described cooling water pipe 22 is provided with lubricating oil pipe 23, and one end of lubricating oil pipe 23 is communicated with cooling water pipe 22, and the other end is communicated with grease-box, and lubricating oil pipe 23 is provided with in lubricating oil control valve 24 the present embodiment, and lubricating oil control valve is ball valve.
Further, on the housing of described one-level, two- stage vacuum pump 9,10, be respectively equipped with cooling duct 25, one end of cooling duct 25 is communicated with the pump chamber of corresponding vacuum pump, the other end connects air filter 26, cooling duct 25 is provided with cooling air one way valve 27, makes the unidirectional pump chamber that enters vacuum pump of cooling air.Further, described vehicle frame 1 is provided with the variometer 28 of a hermetically-sealed construction, on this variometer 28, be respectively equipped with vacuum meter 29, pressure meter 30, and two ventilating pipes 31, wherein a ventilating pipe 31 is connected in exhaust tube 6, one end that this ventilating pipe 31 is connected with exhaust tube 6 is between tank body 2 and the first control valve 13, and another root ventilating pipe 31 is connected in the upstream extremity of one-level vacuum pump 9.Moisture in ventilating pipe is deposited in variometer, and variometer is provided with ball valve, for discharging the water depositing in collection water trap.Whether normally work by vacuum pump, pressure meter observable suction-type sewer scavenger.
When suction-type sewer scavenger soil pick-up, open the flow control valve on dirt sucking tube, and first, second control valve, close the flow control valve on blow-off pipe, and the 3rd control valve, air intake control valve, gas enters tank body through the suction port of dirt sucking tube, enter the first strainer by the first control valve again, air enters in one-level vacuum pump pump chamber after filtering, then enters in two-stage vacuum pump pump chamber, enter the second strainer by the second control valve again, after filtration, enter atmosphere.When suction-type sewer scavenger forced-ventilated, open the 3rd control valve, air intake control valve, close first, second control valve, gas enters the first strainer through air intake control valve, enters after filtering in one-level vacuum pump pump chamber, then enters in two-stage vacuum pump pump chamber, enter in tank body by the 3rd control valve again, along with gas increases, pressure increases, and the object in tank body is extruded to tank body.
Claims (9)
1. a suction-type sewer scavenger, comprise vehicle frame, be fixed on the tank body on vehicle frame, and be arranged on the dirt sucking tube on tank body, blow-off pipe, appendix, described dirt sucking tube, on blow-off pipe, be respectively equipped with flow control valve, described appendix is connected with vacuum pump, it is characterized in that: described appendix comprises exhaust tube, stack, air supply pipe, described vacuum pump comprises one-level, two-stage vacuum pump, one end of described exhaust tube connects tank body, the other end connects the first strainer, on exhaust tube, set gradually the first control valve, air intake control valve, one end of described air intake control valve is communicated with exhaust tube, the other end is air inlet, the downstream of the first strainer connects one-level successively by pipeline, two-stage vacuum pump, the pump chamber of one-level vacuum pump is greater than the pump chamber of two-stage vacuum pump, the downstream of two-stage vacuum pump connects the second strainer by stack, the second strainer is provided with exhaust opening, the second control valve is set on described stack, the second control valve of stack, between the second strainer, connect one end of uniguide, the other end of uniguide is connected in one-level, pipeline between two-stage vacuum pump, exhaust check valve is set on uniguide, make one-level vacuum pump form path between the second strainer, one end of described air supply pipe is connected in the downstream of two-stage vacuum pump, the other end is connected between first control valve and tank body of exhaust tube, the 3rd control valve is set on air supply pipe, described one-level, two-stage vacuum pump, first, the second strainer is installed on vehicle frame.
2. suction-type sewer scavenger according to claim 1, is characterized in that: between the first control valve of described exhaust tube, the first strainer, be provided with negative pressure of vacuum safety valve, one end of this negative pressure of vacuum safety valve is communicated with exhaust tube, and the other end is negative pressure inlet hole.
3. suction-type sewer scavenger according to claim 1, it is characterized in that: described stack is provided with relief tube, the two ends of relief tube lay respectively at the both sides of the second control valve, and relief valve is set on relief tube, and the leakage port of this relief valve is communicated with the second strainer by relief tube, stack.
4. suction-type sewer scavenger according to claim 1, is characterized in that: described first, second strainer is the sealing radiator for splendid attire filtered water, and the upstream extremity of first, second strainer is air inlet port, and downstream is exhaust opening.
5. suction-type sewer scavenger according to claim 4, is characterized in that: described the second strainer connects a cooling water pipe, and one end of this cooling water pipe is communicated with the sealing radiator of the second strainer, and the other end is connected in one-level vacuum pump upstream extremity.
6. suction-type sewer scavenger according to claim 5, is characterized in that: described cooling water pipe is provided with lubricating oil pipe, and one end of lubricating oil pipe is communicated with cooling water pipe, and the other end is communicated with grease-box, and lubricating oil pipe is provided with lubricating oil control valve.
7. suction-type sewer scavenger according to claim 1, it is characterized in that: on the housing of described one-level, two-stage vacuum pump, be respectively equipped with cooling duct, one end of cooling duct is communicated with the pump chamber of corresponding vacuum pump, the other end connects air filter, cooling duct is provided with cooling air one way valve, makes the unidirectional pump chamber that enters vacuum pump of cooling air.
8. suction-type sewer scavenger according to claim 1, it is characterized in that: described vehicle frame is provided with the variometer of a hermetically-sealed construction, on this variometer, be respectively equipped with vacuum meter, pressure meter, and two ventilating pipes, wherein a ventilating pipe is connected in exhaust tube, one end that this ventilating pipe is connected with exhaust tube is between tank body and the first control valve, and another root ventilating pipe is connected in the upstream extremity of one-level vacuum pump.
9. suction-type sewer scavenger according to claim 1, is characterized in that: described one-level, two-stage vacuum pump are fabricated to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320633106.6U CN203613637U (en) | 2013-10-15 | 2013-10-15 | Sewage suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320633106.6U CN203613637U (en) | 2013-10-15 | 2013-10-15 | Sewage suction truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613637U true CN203613637U (en) | 2014-05-28 |
Family
ID=50766293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320633106.6U Expired - Lifetime CN203613637U (en) | 2013-10-15 | 2013-10-15 | Sewage suction truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203613637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131615A (en) * | 2014-07-16 | 2014-11-05 | 武汉市政环卫机械有限公司 | Method for increasing vacuum suction dirt depth and vacuum dirt suction vehicle capable of increasing suction depth |
| CN105971108A (en) * | 2016-06-26 | 2016-09-28 | 重庆耐德山花特种车有限责任公司 | Powerful suction-type sewer scavenger |
-
2013
- 2013-10-15 CN CN201320633106.6U patent/CN203613637U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131615A (en) * | 2014-07-16 | 2014-11-05 | 武汉市政环卫机械有限公司 | Method for increasing vacuum suction dirt depth and vacuum dirt suction vehicle capable of increasing suction depth |
| CN104131615B (en) * | 2014-07-16 | 2016-02-10 | 武汉市政环卫机械有限公司 | A kind of vacuum dirt of the method and the lifting suction degree of depth that promote the vacuum draw dirt degree of depth aspirates car tool |
| CN105971108A (en) * | 2016-06-26 | 2016-09-28 | 重庆耐德山花特种车有限责任公司 | Powerful suction-type sewer scavenger |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |