CN205001761U - Detection apparatus for drainage pipe detects toxic gas - Google Patents
Detection apparatus for drainage pipe detects toxic gas Download PDFInfo
- Publication number
- CN205001761U CN205001761U CN201520774181.3U CN201520774181U CN205001761U CN 205001761 U CN205001761 U CN 205001761U CN 201520774181 U CN201520774181 U CN 201520774181U CN 205001761 U CN205001761 U CN 205001761U
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- China
- Prior art keywords
- dolly
- vehicle body
- toxic gas
- detection device
- drainage pipe
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Abstract
The utility model discloses a detection apparatus for drainage pipe detects toxic gas, including dolly that carries on poisonous gas detector spare and the control cabinet of being connected with the dolly electricity, the automobile body bilateral symmetry of dolly is provided with a plurality of wheels, be equipped with the connecting rod between a plurality of wheels and the automobile body, a plurality of wheels with set up in the automobile body top that the motor drive of connecting rod is connected the dolly be equipped with a plurality of place the seat and with place the waterproof rubber pad of a complex, assign and install methane gas sensor and hydrogen sulfide sensor in the seat respectively, the signal output of methane transducer and hydrogen sulfide sensor shows to the control cabinet and by the display on the control cabinet, compared with the prior art, the utility model discloses an on the poisonous gas detector spare assembly dolly in the drain pipe can being goed deep into, realized that for the operation personnel that enter into the inside operation of drainage pipe provide more reliable safety guarantee, adaptability is good, convenient and practical to accurate detection of drainage pipe inside toxic gas concentration.
Description
Technical field
The utility model relates to a kind of detection device, and more particularly, it relates to a kind of detection device of drainpipe detecting toxic gas.
Background technique
Along with the development of society, urban size is also increasing, the urban discharging pipeline being dispersed throughout Urban Underground also gets more and more, the major function of urban discharging pipeline is collected and conveying sewage, in recent years, along with the increase of sewage treatment works's scale, long distance delivery causes the extended residence time of sewage in drainage pipe, the harmful gas that in drainage pipe, biological and chemical effect produces is made to become very important problem, due to drainage pipe space relative closure, air circulation is poor, therefore easily anaerobic environment is formed, methane and carbon dioxide is produced under the effect of methane backeria (MA).On the other hand, under sulphate existent condition, sulfate reduction can be hydrogen sulfide gas by the sulfate reducing bacteria (SRB) in pipeline biomembrane or sediments.Therefore, the drainage pipe that domestic sewage component ratio is higher can produce H2S, CH4, the harmful gases such as CO2, the harmful gas produced in drainage pipe, if mismanagement will cause gas to accumulate, after reaching finite concentration, leakage can cause personnel poisoning, in case of naked light then produces blast, cause casualty accident, cause harmful gas mainly methane and the hydrogen sulfide of sewerage system significant damage, when drainage pipe operating personnel enters into waste pipe, need to detect the harmful gas in waste pipe in advance, guarantee the personal safety of operating personnel, but, existing detection is often only confined to the ingress of drainage pipe, because the ingress oxygen of drainage pipe is more sufficient, therefore anaerobic bacteria density is lower, the ingress harmful gas concentration of drainage pipe is made to compare to drainage pipe inside lower, the personal safety of the operating personnel entering into drainage pipe inside processing is so just made to can not get ensureing, therefore, need a kind of detection device that can be deep into drainage pipe inside and toxic gas is detected, because the internal structure of drainage pipe is complicated, mud is more, larger detection device cannot swimmingly at drainage pipe internal motion, in addition, owing to also having SO2 in drainage pipe, the corrosive gass such as NO2, and in the detection device of toxic gas, generally include circuit board, if do not add protection, components and parts on circuit board and wire are easy to be corroded.
Model utility content
For the problem in practice, the utility model proposes a kind of detection device of drainpipe detecting toxic gas, concrete scheme is as follows:
A kind of detection device of drainpipe detecting toxic gas, comprise the dolly being equipped with toxic gas detector part and the operating console be electrically connected with dolly, the vehicle body bilateral symmetry of described dolly is provided with multiple wheel, connecting rod is provided with between multiple described wheel and vehicle body, multiple described wheel is connected with the motor-driven be arranged in connecting rod, the vehicle body top of described dolly be provided with multiple assign seat and with the described water proof rubber pad assigning seat to coordinate, described assigning in seat is separately installed with methane gas sensor and hydrogen sulfide sensor, the signal of methane transducer and hydrogen sulfide sensor outputs to operating console and is shown by operating console.
This programme by the detector of toxic gas is assemblied in can enter into drainage pipe activity dolly on, make detection device can detect drainage pipe inner away from the toxic gas content in the pipeline of opening, provide safety guarantee for operating personnel enters into waste pipe operation.
Further, the quantity of described wheel is 8, is divided into 4 wheels and the both sides being positioned at vehicle body are symmetrical set.
By technique scheme, make vehicle body more stable in movement process.
Further, described connecting rod comprises the upper rack posts be connected with vehicle body and the lower fulcrum bar connected with wheel, passage is equipped with and one end of lower fulcrum bar is movably set in the passage of upper rack posts in described upper and lower pole, one end that described upper rack posts is connected with vehicle body is removably connected by screw and vehicle body, one end away from vehicle body in the passage of described lower fulcrum bar is provided with motor, and described motor is connected by toothed belt transmission with the wheel being arranged at lower fulcrum bar end.
Pass through technique scheme, the wheel making dolly all can drive, make the power of dolly more powerful, also facilitate dolly excessively curved in drainage pipe, by upper rack posts and vehicle body are set to removably connect, the position of pole can be regulated, make this toxic gas detection device can be applicable to different drainage pipes.
Further, be provided with spring in the passage of described upper rack posts, one end of described spring is connected with the end winding support of passage away from lower fulcrum bar, and the other end is fixedly connected with lower fulcrum bar.
Secondly by arranging spring, first can reduce the vibration in moving of car process, the stability of lifting truck motion, also makes the distance between dolly vehicle body and wheel to regulate, and makes dolly easily can cross projection in drainage pipe or obstacle.
Further, the top of described vehicle body be positioned at multiple described in assign the top of seat to be integrally formed with the water retaining cover of square dome arcuation.
Top due to drainage pipe can drip some sewage and some are with corrosive liquid; as the dilute sulfuric acid etc. that sulfur dioxide and water generate; and detector is generally metal; if unprotect; detector will be corroded; shorten the working life of detector, therefore, add the water retaining cover of square dome arcuation.
Further, described operating console comprises the controller for controlling motor and the display device for showing the concentration of toxic gases detected.
By technique scheme, can control in the outer speed to dolly of drainage pipe and turning to, and the concentration of toxic gases value detected is shown over the display.
Further, be connected with the cable be made up of line of electric force and order wire between described dolly tail of the body and operating console, the external sheath of described line of electric force and order wire has plastic pellicle, dolly tail of the body is positioned at the position that cable passes and is provided with seal ring.
Pass through technique scheme, electric energy needed for moving of car and control centre are all located at outside drainage pipe, alleviate the weight of dolly self, dolly is run in waste pipe smooth and easy more flexibly, also make dolly vehicle body can carry more detector, by at order wire and line of electric force outer cladding plastic pellicle, order wire and line of electric force is avoided to be corroded or contaminated.
Further, described dolly vehicle body is elliposoidal and its shell and water retaining cover are made by hard plastic.
Pass through technique scheme, vehicle body can be made to move in drainage pipe more smooth and easy, fairshaped shell also makes sewage not easily assemble on vehicle body, body shell is made by adopting hard plastic, body shell effectively can be avoided by the corrosive gas in drainage pipe or liquid corrosion, extend the working life of dolly vehicle body.
Further, the bottom of described dolly vehicle body is coated with foam.
By technique scheme, when the water level in drainage pipe is higher or cause vehicle body to drop due to wheel-slip, foam will make vehicle body float on sewage, thus ensure that vehicle body can not be trapped in sewage and causes car body component to damage.
Compared with prior art, the utility model is by being assemblied on the dolly that can be deep in waste pipe by toxic gas detector part, achieve the accurate detection to drainage pipe inside concentration of toxic gases, for the operating personnel entering into drainage pipe inside processing provides safety guarantee more reliably, adaptability is good, convenient and practical.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the plan view (in figure, water retaining cover part is omitted) of dolly;
Fig. 3 is the schematic diagram of connecting rod;
Fig. 4 is the schematic diagram that dolly is positioned at waste pipe inside.
Accompanying drawing mark: 1, dolly, 2, operating console, 3, wheel, 4, connecting rod, 5, motor, 6, assign seat, 7, water proof rubber pad, 8, methane gas sensor, 9, hydrogen sulfide sensor, 10, upper rack posts, 11, lower fulcrum bar, 12, Timing Belt, 13, spring, 14, water retaining cover, 15, cable, 16, seal ring, 17, foam, 18, tapped hole, 19, hard canvas.
Embodiment
Be described further with reference to Fig. 1 ~ 4 pair the utility model.
A kind of detection device of drainpipe detecting toxic gas, comprise the dolly 1 being equipped with toxic gas detector part and the operating console 2 be electrically connected with dolly 1, the vehicle body bilateral symmetry of dolly 1 is provided with multiple wheel 3, connecting rod 4 is provided with between multiple wheel 3 and vehicle body, multiple wheel 3 is in transmission connection with the motor 5 being arranged at connecting rod 4, the vehicle body top of dolly 1 be provided with multiple assign seat 6 and with the water proof rubber pad 7 assigning seat 6 to coordinate, assign in seat 6 and be separately installed with methane gas sensor 8 and hydrogen sulfide sensor 9, the signal of methane transducer and hydrogen sulfide sensor 9 is by two groups of independently circuit outputs, shown by operating console 2 and control, this programme can enter on the dolly 1 of drainage pipe activity by the detector of toxic gas being assemblied in, make detection device can detect drainage pipe inner away from the toxic gas content in the pipeline of opening, safety guarantee is provided for operating personnel enters into waste pipe operation, describe in detail, methane transducer adopts MH-440V/D infrared gas sensor, this sensor utilizes NDIR (NDIR) principle to detect the CH4 existed in air, there is good selectivity, no oxygen dependence, stable performance, the advantages such as the life-span is long, and make small and exquisite saving and take up room, its working procedure is roughly as follows: the catalysis element on sensor produces a small-signal proportional with the content of methane, an output signal is produced after multistage amplifier circuit amplifies, through A/D conversion, this analog signals is converted to digital signal, then be sent in operating console 2 and carry out signal transacting, hydrogen sulfide sensor 9 is preferably Korea S SENKO hydrogen sulfide h2s gas transducer.
In order to make vehicle body more stable in movement process, wheel 3 is set to multiple, preferably, the quantity of wheel 3 is 8, be divided into 4 wheels and the both sides being positioned at vehicle body are symmetrical set, vertical angles between two connected connecting rods of wheel 34 that each wheels comprise is adjustable, in order to realize the vertical angles between the connected connecting rod 4 of adjustment two wheels 3, one end that connecting rod 4 is connected with vehicle body and vehicle body are removably connected by screw, dolly 1 is put into before in waste pipe, the position that manual adjustment connecting rod 4 is connected with vehicle body, optimize, enter in vehicle body in order to prevent sewage by screw, interior of body is located at by screw, tapped hole 18 is located at the bottom that connecting rod 4 connects with vehicle body, seal ring 16 is lined with in screw joint, prevent sewage from entering in car body.
Describe in detail, connecting rod 4 comprises the upper rack posts 10 be connected with vehicle body and the lower fulcrum bar 11 connected with wheel 3, on, passage is equipped with and one end of lower fulcrum bar 11 is movably set in the passage of upper rack posts 10 in lower fulcrum bar 11, one end that upper rack posts 10 is connected with vehicle body is removably connected by screw and vehicle body, one end away from vehicle body in the passage of lower fulcrum bar 11 is provided with motor 5, motor 5 is in transmission connection by Timing Belt 12 with the wheel 3 being arranged at lower fulcrum bar 11 end, pass through technique scheme, the wheel 3 making dolly 1 all can drive, make the power of dolly 1 more powerful, also facilitate dolly 1 excessively curved in drainage pipe, by upper rack posts 10 and vehicle body are set to removably connect, the position of pole can be regulated, make this toxic gas detection device can be applicable to different drainage pipes.
Describe in detail, as shown in Figure 3, the rotating shaft of motor 5 is vertical with the length direction of connecting rod 4, in rotating shaft, cover has driving gear, dolly 1 wheel 3 is coaxially arranged with driven gear, by Timing Belt 12 transmission between driving gear and driven gear, in order to prevent Timing Belt 12 to be brought in the passage of connecting rod 4 by mud, be provided with the cleaning sheet be made up of hard canvas 19 in order to clean Timing Belt 12 at lower fulcrum bar 11 passage close to one end of wheel 3.
Dolly 1 as Fig. 4 display is positioned at the schematic diagram of drainage pipe, in order to reduce the vibration in dolly 1 movement process, the stability that lifting truck 1 moves, distance between dolly 1 vehicle body and wheel 3 can be regulated, easily can cross the projection in drainage pipe or obstacle, be provided with spring 13 in the passage of upper rack posts 10, one end of spring 13 is connected with the end winding support of passage away from lower fulcrum bar 11, and the other end is fixedly connected with lower fulcrum bar 11.
Top due to drainage pipe can drip some sewage and some are with corrosive liquid; as the dilute sulfuric acid etc. that sulfur dioxide and water generate; and detector is generally metal; if unprotect; detector will be corroded; shorten the working life of detector, therefore, the top of vehicle body is positioned at multiple water retaining cover 14 assigning the top of seat 6 to be integrally formed with square dome arcuation.
In order to control in the outer speed to dolly 1 of drainage pipe and turning to, and the concentration of toxic gases value detected is shown over the display, operating console 2 comprises the controller for controlling motor 5 and the display device for showing the concentration of toxic gases detected.
Further optimization, the cable 15 be made up of line of electric force and order wire is connected with between dolly 1 tail of the body and operating console 2, the external sheath of line of electric force and order wire has plastic pellicle, dolly 1 tail of the body is positioned at the position that cable passes and is provided with seal ring 16, move required electric energy and control centre of dolly 1 is all located at outside drainage pipe, alleviate the weight of dolly 1 self, dolly 1 is run in waste pipe smooth and easy more flexibly, also make dolly 1 vehicle body can carry more detector, by at order wire and line of electric force outer cladding plastic pellicle, order wire and line of electric force is avoided to be corroded or contaminated.
Further optimization, dolly 1 vehicle body is elliposoidal and its shell is made by hard plastic, pass through technique scheme, vehicle body can be made to move in drainage pipe more smooth and easy, fairshaped shell also makes sewage not easily assemble on vehicle body, by adopting hard plastic to make body shell, body shell effectively can be avoided by the corrosive gas in drainage pipe or liquid corrosion, extending the working life of dolly 1 vehicle body.
During use, when the water level in drainage pipe is higher or cause vehicle body to drop due to wheel 3 skidding, car body component is caused to damage in order to ensure that vehicle body can not be trapped in sewage, the bottom of dolly 1 vehicle body is coated with foam 17 material, certainly, also can use other lightweight material that can bubble through the water column, in the present embodiment, be preferably foam 17 material.
Below be only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a detection device for drainpipe detecting toxic gas, comprises the dolly being equipped with toxic gas detector part and the operating console be electrically connected with dolly, it is characterized in that:
Described operating console comprises the controller for controlling motor and the display device for showing concentration of toxic gases;
The vehicle body bilateral symmetry of described dolly is provided with multiple wheel, is provided with connecting rod between multiple described wheel and vehicle body, and multiple described wheel is connected with the motor-driven be arranged in connecting rod;
The vehicle body top of described dolly be provided with multiple assign seat and with the described water proof rubber pad assigning seat to coordinate, described assigning in seat is separately installed with methane gas sensor and hydrogen sulfide sensor, and the signal of methane transducer and hydrogen sulfide sensor outputs to operating console and shown by operating console.
2. the detection device of drainpipe detecting toxic gas according to claim 1, is characterized in that: the quantity of described wheel is 8, is divided into 4 wheels and the both sides being positioned at vehicle body are symmetrical set.
3. the detection device of drainpipe detecting toxic gas according to claim 2, it is characterized in that: described connecting rod comprises the upper rack posts be connected with vehicle body and the lower fulcrum bar connected with wheel, passage is equipped with and one end of lower fulcrum bar is movably set in the passage of upper rack posts in described upper and lower pole, one end that described upper rack posts is connected with vehicle body is removably connected by screw and vehicle body, one end away from vehicle body in the passage of described lower fulcrum bar is provided with motor, and described motor is connected by toothed belt transmission with the wheel being arranged at lower fulcrum bar end.
4. the detection device of drainpipe detecting toxic gas according to claim 3, is characterized in that: be provided with spring in the passage of described upper rack posts, and one end of described spring is fixedly connected with passage one end away from lower fulcrum bar, and the other end is fixedly connected with lower fulcrum bar.
5. the detection device of drainpipe detecting toxic gas according to claim 1, is characterized in that: the top of described vehicle body be positioned at multiple described in assign the top of seat to be integrally formed with the water retaining cover of square dome arcuation.
6. the detection device of drainpipe detecting toxic gas according to claim 1, it is characterized in that: between described dolly tail of the body and operating console, be connected with the cable be made up of line of electric force and order wire, the external sheath of described line of electric force and order wire has plastic pellicle, dolly tail of the body is positioned at the position that cable passes and is provided with seal ring.
7. the detection device of drainpipe detecting toxic gas according to claim 5, is characterized in that: described dolly vehicle body is elliposoidal and its shell and water retaining cover are made by hard plastic.
8. the detection device of drainpipe detecting toxic gas according to claim 1, is characterized in that: the bottom of described dolly vehicle body is coated with foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774181.3U CN205001761U (en) | 2015-09-30 | 2015-09-30 | Detection apparatus for drainage pipe detects toxic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774181.3U CN205001761U (en) | 2015-09-30 | 2015-09-30 | Detection apparatus for drainage pipe detects toxic gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001761U true CN205001761U (en) | 2016-01-27 |
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ID=55158648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520774181.3U Expired - Fee Related CN205001761U (en) | 2015-09-30 | 2015-09-30 | Detection apparatus for drainage pipe detects toxic gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899621A (en) * | 2019-03-26 | 2019-06-18 | 焦作大学 | A kind of intelligent spherical detecting robot of pipe |
-
2015
- 2015-09-30 CN CN201520774181.3U patent/CN205001761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899621A (en) * | 2019-03-26 | 2019-06-18 | 焦作大学 | A kind of intelligent spherical detecting robot of pipe |
| CN109899621B (en) * | 2019-03-26 | 2020-06-30 | 焦作大学 | Intelligent spherical pipeline detection robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20210930 |